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[sam] Adding CMSIS 2.10
This commit is contained in:
Thibaut VIARD
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<title>CMSIS DSP Software Library: Data Structures</title>
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<h1>Data Structures</h1> </div>
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Here are the data structures with brief descriptions:<table>
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<tr><td class="indexkey"><a class="el" href="structarm__bilinear__interp__instance__f32.html">arm_bilinear_interp_instance_f32</a></td><td class="indexvalue">Instance structure for the floating-point bilinear interpolation function </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__bilinear__interp__instance__q15.html">arm_bilinear_interp_instance_q15</a></td><td class="indexvalue">Instance structure for the Q15 bilinear interpolation function </td></tr>
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||||
<tr><td class="indexkey"><a class="el" href="structarm__bilinear__interp__instance__q31.html">arm_bilinear_interp_instance_q31</a></td><td class="indexvalue">Instance structure for the Q31 bilinear interpolation function </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__bilinear__interp__instance__q7.html">arm_bilinear_interp_instance_q7</a></td><td class="indexvalue">Instance structure for the Q15 bilinear interpolation function </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__biquad__cas__df1__32x64__ins__q31.html">arm_biquad_cas_df1_32x64_ins_q31</a></td><td class="indexvalue">Instance structure for the high precision Q31 Biquad cascade filter </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__biquad__cascade__df2_t__instance__f32.html">arm_biquad_cascade_df2T_instance_f32</a></td><td class="indexvalue">Instance structure for the floating-point transposed direct form II Biquad cascade filter </td></tr>
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||||
<tr><td class="indexkey"><a class="el" href="structarm__biquad__casd__df1__inst__f32.html">arm_biquad_casd_df1_inst_f32</a></td><td class="indexvalue">Instance structure for the floating-point Biquad cascade filter </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__biquad__casd__df1__inst__q15.html">arm_biquad_casd_df1_inst_q15</a></td><td class="indexvalue">Instance structure for the Q15 Biquad cascade filter </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__biquad__casd__df1__inst__q31.html">arm_biquad_casd_df1_inst_q31</a></td><td class="indexvalue">Instance structure for the Q31 Biquad cascade filter </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__cfft__radix4__instance__f32.html">arm_cfft_radix4_instance_f32</a></td><td class="indexvalue">Instance structure for the floating-point CFFT/CIFFT function </td></tr>
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||||
<tr><td class="indexkey"><a class="el" href="structarm__cfft__radix4__instance__q15.html">arm_cfft_radix4_instance_q15</a></td><td class="indexvalue">Instance structure for the Q15 CFFT/CIFFT function </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__cfft__radix4__instance__q31.html">arm_cfft_radix4_instance_q31</a></td><td class="indexvalue">Instance structure for the Q31 CFFT/CIFFT function </td></tr>
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||||
<tr><td class="indexkey"><a class="el" href="structarm__dct4__instance__f32.html">arm_dct4_instance_f32</a></td><td class="indexvalue">Instance structure for the floating-point DCT4/IDCT4 function </td></tr>
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||||
<tr><td class="indexkey"><a class="el" href="structarm__dct4__instance__q15.html">arm_dct4_instance_q15</a></td><td class="indexvalue">Instance structure for the Q15 DCT4/IDCT4 function </td></tr>
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||||
<tr><td class="indexkey"><a class="el" href="structarm__dct4__instance__q31.html">arm_dct4_instance_q31</a></td><td class="indexvalue">Instance structure for the Q31 DCT4/IDCT4 function </td></tr>
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||||
<tr><td class="indexkey"><a class="el" href="structarm__fir__decimate__instance__f32.html">arm_fir_decimate_instance_f32</a></td><td class="indexvalue">Instance structure for the floating-point FIR decimator </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__fir__decimate__instance__q15.html">arm_fir_decimate_instance_q15</a></td><td class="indexvalue">Instance structure for the Q15 FIR decimator </td></tr>
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||||
<tr><td class="indexkey"><a class="el" href="structarm__fir__decimate__instance__q31.html">arm_fir_decimate_instance_q31</a></td><td class="indexvalue">Instance structure for the Q31 FIR decimator </td></tr>
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||||
<tr><td class="indexkey"><a class="el" href="structarm__fir__instance__f32.html">arm_fir_instance_f32</a></td><td class="indexvalue">Instance structure for the floating-point FIR filter </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__fir__instance__q15.html">arm_fir_instance_q15</a></td><td class="indexvalue">Instance structure for the Q15 FIR filter </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__fir__instance__q31.html">arm_fir_instance_q31</a></td><td class="indexvalue">Instance structure for the Q31 FIR filter </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__fir__instance__q7.html">arm_fir_instance_q7</a></td><td class="indexvalue">Instance structure for the Q7 FIR filter </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__fir__interpolate__instance__f32.html">arm_fir_interpolate_instance_f32</a></td><td class="indexvalue">Instance structure for the floating-point FIR interpolator </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__fir__interpolate__instance__q15.html">arm_fir_interpolate_instance_q15</a></td><td class="indexvalue">Instance structure for the Q15 FIR interpolator </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__fir__interpolate__instance__q31.html">arm_fir_interpolate_instance_q31</a></td><td class="indexvalue">Instance structure for the Q31 FIR interpolator </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__fir__lattice__instance__f32.html">arm_fir_lattice_instance_f32</a></td><td class="indexvalue">Instance structure for the floating-point FIR lattice filter </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__fir__lattice__instance__q15.html">arm_fir_lattice_instance_q15</a></td><td class="indexvalue">Instance structure for the Q15 FIR lattice filter </td></tr>
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||||
<tr><td class="indexkey"><a class="el" href="structarm__fir__lattice__instance__q31.html">arm_fir_lattice_instance_q31</a></td><td class="indexvalue">Instance structure for the Q31 FIR lattice filter </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__fir__sparse__instance__f32.html">arm_fir_sparse_instance_f32</a></td><td class="indexvalue">Instance structure for the floating-point sparse FIR filter </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__fir__sparse__instance__q15.html">arm_fir_sparse_instance_q15</a></td><td class="indexvalue">Instance structure for the Q15 sparse FIR filter </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__fir__sparse__instance__q31.html">arm_fir_sparse_instance_q31</a></td><td class="indexvalue">Instance structure for the Q31 sparse FIR filter </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__fir__sparse__instance__q7.html">arm_fir_sparse_instance_q7</a></td><td class="indexvalue">Instance structure for the Q7 sparse FIR filter </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__iir__lattice__instance__f32.html">arm_iir_lattice_instance_f32</a></td><td class="indexvalue">Instance structure for the floating-point IIR lattice filter </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__iir__lattice__instance__q15.html">arm_iir_lattice_instance_q15</a></td><td class="indexvalue">Instance structure for the Q15 IIR lattice filter </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__iir__lattice__instance__q31.html">arm_iir_lattice_instance_q31</a></td><td class="indexvalue">Instance structure for the Q31 IIR lattice filter </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__linear__interp__instance__f32.html">arm_linear_interp_instance_f32</a></td><td class="indexvalue">Instance structure for the floating-point Linear Interpolate function </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__lms__instance__f32.html">arm_lms_instance_f32</a></td><td class="indexvalue">Instance structure for the floating-point LMS filter </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__lms__instance__q15.html">arm_lms_instance_q15</a></td><td class="indexvalue">Instance structure for the Q15 LMS filter </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__lms__instance__q31.html">arm_lms_instance_q31</a></td><td class="indexvalue">Instance structure for the Q31 LMS filter </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__lms__norm__instance__f32.html">arm_lms_norm_instance_f32</a></td><td class="indexvalue">Instance structure for the floating-point normalized LMS filter </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__lms__norm__instance__q15.html">arm_lms_norm_instance_q15</a></td><td class="indexvalue">Instance structure for the Q15 normalized LMS filter </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__lms__norm__instance__q31.html">arm_lms_norm_instance_q31</a></td><td class="indexvalue">Instance structure for the Q31 normalized LMS filter </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__matrix__instance__f32.html">arm_matrix_instance_f32</a></td><td class="indexvalue">Instance structure for the floating-point matrix structure </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__matrix__instance__q15.html">arm_matrix_instance_q15</a></td><td class="indexvalue">Instance structure for the Q15 matrix structure </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__matrix__instance__q31.html">arm_matrix_instance_q31</a></td><td class="indexvalue">Instance structure for the Q31 matrix structure </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__pid__instance__f32.html">arm_pid_instance_f32</a></td><td class="indexvalue">Instance structure for the floating-point PID Control </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__pid__instance__q15.html">arm_pid_instance_q15</a></td><td class="indexvalue">Instance structure for the Q15 PID Control </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__pid__instance__q31.html">arm_pid_instance_q31</a></td><td class="indexvalue">Instance structure for the Q31 PID Control </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__rfft__instance__f32.html">arm_rfft_instance_f32</a></td><td class="indexvalue">Instance structure for the floating-point RFFT/RIFFT function </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__rfft__instance__q15.html">arm_rfft_instance_q15</a></td><td class="indexvalue">Instance structure for the Q15 RFFT/RIFFT function </td></tr>
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<tr><td class="indexkey"><a class="el" href="structarm__rfft__instance__q31.html">arm_rfft_instance_q31</a></td><td class="indexvalue">Instance structure for the Q31 RFFT/RIFFT function </td></tr>
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<h1>arm_abs_f32.c File Reference</h1> </div>
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<code>#include "<a class="el" href="arm__math_8h_source.html">arm_math.h</a>"</code><br/>
|
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<code>#include <math.h></code><br/>
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Functions</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___basic_abs.html#ga421b6275f9d35f50286c0ff3beceff02">arm_abs_f32</a> (<a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrc, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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<h1>arm_abs_f32.c</h1> </div>
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<div class="contents">
|
||||
<a href="arm__abs__f32_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* ---------------------------------------------------------------------- </span>
|
||||
<a name="l00002"></a>00002 <span class="comment">* Copyright (C) 2010 ARM Limited. All rights reserved. </span>
|
||||
<a name="l00003"></a>00003 <span class="comment">* </span>
|
||||
<a name="l00004"></a>00004 <span class="comment">* $Date: 15. July 2011 </span>
|
||||
<a name="l00005"></a>00005 <span class="comment">* $Revision: V1.0.10 </span>
|
||||
<a name="l00006"></a>00006 <span class="comment">* </span>
|
||||
<a name="l00007"></a>00007 <span class="comment">* Project: CMSIS DSP Library </span>
|
||||
<a name="l00008"></a>00008 <span class="comment">* Title: arm_abs_f32.c </span>
|
||||
<a name="l00009"></a>00009 <span class="comment">* </span>
|
||||
<a name="l00010"></a>00010 <span class="comment">* Description: Vector absolute value. </span>
|
||||
<a name="l00011"></a>00011 <span class="comment">* </span>
|
||||
<a name="l00012"></a>00012 <span class="comment">* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0</span>
|
||||
<a name="l00013"></a>00013 <span class="comment">* </span>
|
||||
<a name="l00014"></a>00014 <span class="comment">* Version 1.0.10 2011/7/15 </span>
|
||||
<a name="l00015"></a>00015 <span class="comment">* Big Endian support added and Merged M0 and M3/M4 Source code. </span>
|
||||
<a name="l00016"></a>00016 <span class="comment">* </span>
|
||||
<a name="l00017"></a>00017 <span class="comment">* Version 1.0.3 2010/11/29 </span>
|
||||
<a name="l00018"></a>00018 <span class="comment">* Re-organized the CMSIS folders and updated documentation. </span>
|
||||
<a name="l00019"></a>00019 <span class="comment">* </span>
|
||||
<a name="l00020"></a>00020 <span class="comment">* Version 1.0.2 2010/11/11 </span>
|
||||
<a name="l00021"></a>00021 <span class="comment">* Documentation updated. </span>
|
||||
<a name="l00022"></a>00022 <span class="comment">* </span>
|
||||
<a name="l00023"></a>00023 <span class="comment">* Version 1.0.1 2010/10/05 </span>
|
||||
<a name="l00024"></a>00024 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00025"></a>00025 <span class="comment">* </span>
|
||||
<a name="l00026"></a>00026 <span class="comment">* Version 1.0.0 2010/09/20 </span>
|
||||
<a name="l00027"></a>00027 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00028"></a>00028 <span class="comment">* </span>
|
||||
<a name="l00029"></a>00029 <span class="comment">* Version 0.0.7 2010/06/10 </span>
|
||||
<a name="l00030"></a>00030 <span class="comment">* Misra-C changes done </span>
|
||||
<a name="l00031"></a>00031 <span class="comment">* ---------------------------------------------------------------------------- */</span>
|
||||
<a name="l00032"></a>00032
|
||||
<a name="l00033"></a>00033 <span class="preprocessor">#include "<a class="code" href="arm__math_8h.html">arm_math.h</a>"</span>
|
||||
<a name="l00034"></a>00034 <span class="preprocessor">#include <math.h></span>
|
||||
<a name="l00035"></a>00035
|
||||
<a name="l00066"></a><a class="code" href="group___basic_abs.html#ga421b6275f9d35f50286c0ff3beceff02">00066</a> <span class="keywordtype">void</span> <a class="code" href="group___basic_abs.html#ga421b6275f9d35f50286c0ff3beceff02" title="Floating-point vector absolute value.">arm_abs_f32</a>(
|
||||
<a name="l00067"></a>00067 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> * pSrc,
|
||||
<a name="l00068"></a>00068 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> * pDst,
|
||||
<a name="l00069"></a>00069 uint32_t <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)
|
||||
<a name="l00070"></a>00070 {
|
||||
<a name="l00071"></a>00071 uint32_t blkCnt; <span class="comment">/* loop counter */</span>
|
||||
<a name="l00072"></a>00072
|
||||
<a name="l00073"></a>00073 <span class="preprocessor">#ifndef ARM_MATH_CM0</span>
|
||||
<a name="l00074"></a>00074 <span class="preprocessor"></span>
|
||||
<a name="l00075"></a>00075 <span class="comment">/* Run the below code for Cortex-M4 and Cortex-M3 */</span>
|
||||
<a name="l00076"></a>00076
|
||||
<a name="l00077"></a>00077 <span class="comment">/*loop Unrolling */</span>
|
||||
<a name="l00078"></a>00078 blkCnt = blockSize >> 2u;
|
||||
<a name="l00079"></a>00079
|
||||
<a name="l00080"></a>00080 <span class="comment">/* First part of the processing with loop unrolling. Compute 4 outputs at a time. </span>
|
||||
<a name="l00081"></a>00081 <span class="comment"> ** a second loop below computes the remaining 1 to 3 samples. */</span>
|
||||
<a name="l00082"></a>00082 <span class="keywordflow">while</span>(blkCnt > 0u)
|
||||
<a name="l00083"></a>00083 {
|
||||
<a name="l00084"></a>00084 <span class="comment">/* C = |A| */</span>
|
||||
<a name="l00085"></a>00085 <span class="comment">/* Calculate absolute and then store the results in the destination buffer. */</span>
|
||||
<a name="l00086"></a>00086 *pDst++ = fabsf(*pSrc++);
|
||||
<a name="l00087"></a>00087 *pDst++ = fabsf(*pSrc++);
|
||||
<a name="l00088"></a>00088 *pDst++ = fabsf(*pSrc++);
|
||||
<a name="l00089"></a>00089 *pDst++ = fabsf(*pSrc++);
|
||||
<a name="l00090"></a>00090
|
||||
<a name="l00091"></a>00091 <span class="comment">/* Decrement the loop counter */</span>
|
||||
<a name="l00092"></a>00092 blkCnt--;
|
||||
<a name="l00093"></a>00093 }
|
||||
<a name="l00094"></a>00094
|
||||
<a name="l00095"></a>00095 <span class="comment">/* If the blockSize is not a multiple of 4, compute any remaining output samples here. </span>
|
||||
<a name="l00096"></a>00096 <span class="comment"> ** No loop unrolling is used. */</span>
|
||||
<a name="l00097"></a>00097 blkCnt = blockSize % 0x4u;
|
||||
<a name="l00098"></a>00098
|
||||
<a name="l00099"></a>00099 <span class="preprocessor">#else</span>
|
||||
<a name="l00100"></a>00100 <span class="preprocessor"></span>
|
||||
<a name="l00101"></a>00101 <span class="comment">/* Run the below code for Cortex-M0 */</span>
|
||||
<a name="l00102"></a>00102
|
||||
<a name="l00103"></a>00103 <span class="comment">/* Initialize blkCnt with number of samples */</span>
|
||||
<a name="l00104"></a>00104 blkCnt = <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>;
|
||||
<a name="l00105"></a>00105
|
||||
<a name="l00106"></a>00106 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_CM0 */</span>
|
||||
<a name="l00107"></a>00107
|
||||
<a name="l00108"></a>00108 <span class="keywordflow">while</span>(blkCnt > 0u)
|
||||
<a name="l00109"></a>00109 {
|
||||
<a name="l00110"></a>00110 <span class="comment">/* C = |A| */</span>
|
||||
<a name="l00111"></a>00111 <span class="comment">/* Calculate absolute and then store the results in the destination buffer. */</span>
|
||||
<a name="l00112"></a>00112 *pDst++ = fabsf(*pSrc++);
|
||||
<a name="l00113"></a>00113
|
||||
<a name="l00114"></a>00114 <span class="comment">/* Decrement the loop counter */</span>
|
||||
<a name="l00115"></a>00115 blkCnt--;
|
||||
<a name="l00116"></a>00116 }
|
||||
<a name="l00117"></a>00117
|
||||
<a name="l00118"></a>00118 }
|
||||
<a name="l00119"></a>00119
|
||||
</pre></div></div>
|
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<code>#include "<a class="el" href="arm__math_8h_source.html">arm_math.h</a>"</code><br/>
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Functions</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___basic_abs.html#ga39f92964c9b649ba252e26ebe7b95594">arm_abs_q15</a> (<a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pSrc, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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<h1>arm_abs_q15.c</h1> </div>
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<div class="contents">
|
||||
<a href="arm__abs__q15_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* ---------------------------------------------------------------------- </span>
|
||||
<a name="l00002"></a>00002 <span class="comment">* Copyright (C) 2010 ARM Limited. All rights reserved. </span>
|
||||
<a name="l00003"></a>00003 <span class="comment">* </span>
|
||||
<a name="l00004"></a>00004 <span class="comment">* $Date: 15. July 2011 </span>
|
||||
<a name="l00005"></a>00005 <span class="comment">* $Revision: V1.0.10 </span>
|
||||
<a name="l00006"></a>00006 <span class="comment">* </span>
|
||||
<a name="l00007"></a>00007 <span class="comment">* Project: CMSIS DSP Library </span>
|
||||
<a name="l00008"></a>00008 <span class="comment">* Title: arm_abs_q15.c </span>
|
||||
<a name="l00009"></a>00009 <span class="comment">* </span>
|
||||
<a name="l00010"></a>00010 <span class="comment">* Description: Q15 vector absolute value. </span>
|
||||
<a name="l00011"></a>00011 <span class="comment">* </span>
|
||||
<a name="l00012"></a>00012 <span class="comment">* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0</span>
|
||||
<a name="l00013"></a>00013 <span class="comment">* </span>
|
||||
<a name="l00014"></a>00014 <span class="comment">* Version 1.0.10 2011/7/15 </span>
|
||||
<a name="l00015"></a>00015 <span class="comment">* Big Endian support added and Merged M0 and M3/M4 Source code. </span>
|
||||
<a name="l00016"></a>00016 <span class="comment">* </span>
|
||||
<a name="l00017"></a>00017 <span class="comment">* Version 1.0.3 2010/11/29 </span>
|
||||
<a name="l00018"></a>00018 <span class="comment">* Re-organized the CMSIS folders and updated documentation. </span>
|
||||
<a name="l00019"></a>00019 <span class="comment">* </span>
|
||||
<a name="l00020"></a>00020 <span class="comment">* Version 1.0.2 2010/11/11 </span>
|
||||
<a name="l00021"></a>00021 <span class="comment">* Documentation updated. </span>
|
||||
<a name="l00022"></a>00022 <span class="comment">* </span>
|
||||
<a name="l00023"></a>00023 <span class="comment">* Version 1.0.1 2010/10/05 </span>
|
||||
<a name="l00024"></a>00024 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00025"></a>00025 <span class="comment">* </span>
|
||||
<a name="l00026"></a>00026 <span class="comment">* Version 1.0.0 2010/09/20 </span>
|
||||
<a name="l00027"></a>00027 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00028"></a>00028 <span class="comment">* </span>
|
||||
<a name="l00029"></a>00029 <span class="comment">* Version 0.0.7 2010/06/10 </span>
|
||||
<a name="l00030"></a>00030 <span class="comment">* Misra-C changes done </span>
|
||||
<a name="l00031"></a>00031 <span class="comment">* -------------------------------------------------------------------- */</span>
|
||||
<a name="l00032"></a>00032
|
||||
<a name="l00033"></a>00033 <span class="preprocessor">#include "<a class="code" href="arm__math_8h.html">arm_math.h</a>"</span>
|
||||
<a name="l00034"></a>00034
|
||||
<a name="l00057"></a><a class="code" href="group___basic_abs.html#ga39f92964c9b649ba252e26ebe7b95594">00057</a> <span class="keywordtype">void</span> <a class="code" href="group___basic_abs.html#ga39f92964c9b649ba252e26ebe7b95594" title="Q15 vector absolute value.">arm_abs_q15</a>(
|
||||
<a name="l00058"></a>00058 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> * pSrc,
|
||||
<a name="l00059"></a>00059 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> * pDst,
|
||||
<a name="l00060"></a>00060 uint32_t <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)
|
||||
<a name="l00061"></a>00061 {
|
||||
<a name="l00062"></a>00062 uint32_t blkCnt; <span class="comment">/* loop counter */</span>
|
||||
<a name="l00063"></a>00063
|
||||
<a name="l00064"></a>00064 <span class="preprocessor">#ifndef ARM_MATH_CM0</span>
|
||||
<a name="l00065"></a>00065 <span class="preprocessor"></span>
|
||||
<a name="l00066"></a>00066 <span class="comment">/* Run the below code for Cortex-M4 and Cortex-M3 */</span>
|
||||
<a name="l00067"></a>00067
|
||||
<a name="l00068"></a>00068 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> in1; <span class="comment">/* Input value1 */</span>
|
||||
<a name="l00069"></a>00069 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> in2; <span class="comment">/* Input value2 */</span>
|
||||
<a name="l00070"></a>00070
|
||||
<a name="l00071"></a>00071
|
||||
<a name="l00072"></a>00072 <span class="comment">/*loop Unrolling */</span>
|
||||
<a name="l00073"></a>00073 blkCnt = blockSize >> 2u;
|
||||
<a name="l00074"></a>00074
|
||||
<a name="l00075"></a>00075 <span class="comment">/* First part of the processing with loop unrolling. Compute 4 outputs at a time. </span>
|
||||
<a name="l00076"></a>00076 <span class="comment"> ** a second loop below computes the remaining 1 to 3 samples. */</span>
|
||||
<a name="l00077"></a>00077 <span class="keywordflow">while</span>(blkCnt > 0u)
|
||||
<a name="l00078"></a>00078 {
|
||||
<a name="l00079"></a>00079 <span class="comment">/* C = |A| */</span>
|
||||
<a name="l00080"></a>00080 <span class="comment">/* Read two inputs */</span>
|
||||
<a name="l00081"></a>00081 in1 = *pSrc++;
|
||||
<a name="l00082"></a>00082 in2 = *pSrc++;
|
||||
<a name="l00083"></a>00083
|
||||
<a name="l00084"></a>00084
|
||||
<a name="l00085"></a>00085 <span class="comment">/* Store the Absolute result in the destination buffer by packing the two values, in a single cycle */</span>
|
||||
<a name="l00086"></a>00086
|
||||
<a name="l00087"></a>00087 <span class="preprocessor">#ifndef ARM_MATH_BIG_ENDIAN</span>
|
||||
<a name="l00088"></a>00088 <span class="preprocessor"></span>
|
||||
<a name="l00089"></a>00089 *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pDst)++ =
|
||||
<a name="l00090"></a>00090 __PKHBT(((in1 > 0) ? in1 : __SSAT(-in1, 16)),
|
||||
<a name="l00091"></a>00091 ((in2 > 0) ? in2 : __SSAT(-in2, 16)), 16);
|
||||
<a name="l00092"></a>00092
|
||||
<a name="l00093"></a>00093 <span class="preprocessor">#else</span>
|
||||
<a name="l00094"></a>00094 <span class="preprocessor"></span>
|
||||
<a name="l00095"></a>00095
|
||||
<a name="l00096"></a>00096 *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pDst)++ =
|
||||
<a name="l00097"></a>00097 __PKHBT(((in2 > 0) ? in2 : __SSAT(-in2, 16)),
|
||||
<a name="l00098"></a>00098 ((in1 > 0) ? in1 : __SSAT(-in1, 16)), 16);
|
||||
<a name="l00099"></a>00099
|
||||
<a name="l00100"></a>00100 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_BIG_ENDIAN */</span>
|
||||
<a name="l00101"></a>00101
|
||||
<a name="l00102"></a>00102 in1 = *pSrc++;
|
||||
<a name="l00103"></a>00103 in2 = *pSrc++;
|
||||
<a name="l00104"></a>00104
|
||||
<a name="l00105"></a>00105
|
||||
<a name="l00106"></a>00106 <span class="preprocessor">#ifndef ARM_MATH_BIG_ENDIAN</span>
|
||||
<a name="l00107"></a>00107 <span class="preprocessor"></span>
|
||||
<a name="l00108"></a>00108 *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pDst)++ =
|
||||
<a name="l00109"></a>00109 __PKHBT(((in1 > 0) ? in1 : __SSAT(-in1, 16)),
|
||||
<a name="l00110"></a>00110 ((in2 > 0) ? in2 : __SSAT(-in2, 16)), 16);
|
||||
<a name="l00111"></a>00111
|
||||
<a name="l00112"></a>00112
|
||||
<a name="l00113"></a>00113 <span class="preprocessor">#else</span>
|
||||
<a name="l00114"></a>00114 <span class="preprocessor"></span>
|
||||
<a name="l00115"></a>00115 *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pDst)++ =
|
||||
<a name="l00116"></a>00116 __PKHBT(((in2 > 0) ? in2 : __SSAT(-in2, 16)),
|
||||
<a name="l00117"></a>00117 ((in1 > 0) ? in1 : __SSAT(-in1, 16)), 16);
|
||||
<a name="l00118"></a>00118
|
||||
<a name="l00119"></a>00119 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_BIG_ENDIAN */</span>
|
||||
<a name="l00120"></a>00120
|
||||
<a name="l00121"></a>00121 <span class="comment">/* Decrement the loop counter */</span>
|
||||
<a name="l00122"></a>00122 blkCnt--;
|
||||
<a name="l00123"></a>00123 }
|
||||
<a name="l00124"></a>00124
|
||||
<a name="l00125"></a>00125 <span class="comment">/* If the blockSize is not a multiple of 4, compute any remaining output samples here. </span>
|
||||
<a name="l00126"></a>00126 <span class="comment"> ** No loop unrolling is used. */</span>
|
||||
<a name="l00127"></a>00127 blkCnt = blockSize % 0x4u;
|
||||
<a name="l00128"></a>00128
|
||||
<a name="l00129"></a>00129 <span class="keywordflow">while</span>(blkCnt > 0u)
|
||||
<a name="l00130"></a>00130 {
|
||||
<a name="l00131"></a>00131 <span class="comment">/* C = |A| */</span>
|
||||
<a name="l00132"></a>00132 <span class="comment">/* Read the input */</span>
|
||||
<a name="l00133"></a>00133 in1 = *pSrc++;
|
||||
<a name="l00134"></a>00134
|
||||
<a name="l00135"></a>00135 <span class="comment">/* Calculate absolute value of input and then store the result in the destination buffer. */</span>
|
||||
<a name="l00136"></a>00136 *pDst++ = (in1 > 0) ? in1 : __SSAT(-in1, 16);
|
||||
<a name="l00137"></a>00137
|
||||
<a name="l00138"></a>00138 <span class="comment">/* Decrement the loop counter */</span>
|
||||
<a name="l00139"></a>00139 blkCnt--;
|
||||
<a name="l00140"></a>00140 }
|
||||
<a name="l00141"></a>00141
|
||||
<a name="l00142"></a>00142 <span class="preprocessor">#else</span>
|
||||
<a name="l00143"></a>00143 <span class="preprocessor"></span>
|
||||
<a name="l00144"></a>00144 <span class="comment">/* Run the below code for Cortex-M0 */</span>
|
||||
<a name="l00145"></a>00145
|
||||
<a name="l00146"></a>00146 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> in; <span class="comment">/* Temporary input variable */</span>
|
||||
<a name="l00147"></a>00147
|
||||
<a name="l00148"></a>00148 <span class="comment">/* Initialize blkCnt with number of samples */</span>
|
||||
<a name="l00149"></a>00149 blkCnt = <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>;
|
||||
<a name="l00150"></a>00150
|
||||
<a name="l00151"></a>00151 <span class="keywordflow">while</span>(blkCnt > 0u)
|
||||
<a name="l00152"></a>00152 {
|
||||
<a name="l00153"></a>00153 <span class="comment">/* C = |A| */</span>
|
||||
<a name="l00154"></a>00154 <span class="comment">/* Read the input */</span>
|
||||
<a name="l00155"></a>00155 in = *pSrc++;
|
||||
<a name="l00156"></a>00156
|
||||
<a name="l00157"></a>00157 <span class="comment">/* Calculate absolute value of input and then store the result in the destination buffer. */</span>
|
||||
<a name="l00158"></a>00158 *pDst++ = (in > 0) ? in : __SSAT(-in, 16);
|
||||
<a name="l00159"></a>00159
|
||||
<a name="l00160"></a>00160 <span class="comment">/* Decrement the loop counter */</span>
|
||||
<a name="l00161"></a>00161 blkCnt--;
|
||||
<a name="l00162"></a>00162 }
|
||||
<a name="l00163"></a>00163
|
||||
<a name="l00164"></a>00164 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_CM0 */</span>
|
||||
<a name="l00165"></a>00165
|
||||
<a name="l00166"></a>00166 }
|
||||
<a name="l00167"></a>00167
|
||||
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<h1>arm_abs_q31.c File Reference</h1> </div>
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<code>#include "<a class="el" href="arm__math_8h_source.html">arm_math.h</a>"</code><br/>
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<p><a href="arm__abs__q31_8c_source.html">Go to the source code of this file.</a></p>
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Functions</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___basic_abs.html#ga59eafcdcdb52da60d37f20aec6ff4577">arm_abs_q31</a> (<a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrc, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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<h1>arm_abs_q31.c</h1> </div>
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<div class="contents">
|
||||
<a href="arm__abs__q31_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* ---------------------------------------------------------------------- </span>
|
||||
<a name="l00002"></a>00002 <span class="comment">* Copyright (C) 2010 ARM Limited. All rights reserved. </span>
|
||||
<a name="l00003"></a>00003 <span class="comment">* </span>
|
||||
<a name="l00004"></a>00004 <span class="comment">* $Date: 15. July 2011 </span>
|
||||
<a name="l00005"></a>00005 <span class="comment">* $Revision: V1.0.10 </span>
|
||||
<a name="l00006"></a>00006 <span class="comment">* </span>
|
||||
<a name="l00007"></a>00007 <span class="comment">* Project: CMSIS DSP Library </span>
|
||||
<a name="l00008"></a>00008 <span class="comment">* Title: arm_abs_q31.c </span>
|
||||
<a name="l00009"></a>00009 <span class="comment">* </span>
|
||||
<a name="l00010"></a>00010 <span class="comment">* Description: Q31 vector absolute value. </span>
|
||||
<a name="l00011"></a>00011 <span class="comment">* </span>
|
||||
<a name="l00012"></a>00012 <span class="comment">* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0</span>
|
||||
<a name="l00013"></a>00013 <span class="comment">* </span>
|
||||
<a name="l00014"></a>00014 <span class="comment">* Version 1.0.10 2011/7/15 </span>
|
||||
<a name="l00015"></a>00015 <span class="comment">* Big Endian support added and Merged M0 and M3/M4 Source code. </span>
|
||||
<a name="l00016"></a>00016 <span class="comment">* </span>
|
||||
<a name="l00017"></a>00017 <span class="comment">* Version 1.0.3 2010/11/29 </span>
|
||||
<a name="l00018"></a>00018 <span class="comment">* Re-organized the CMSIS folders and updated documentation. </span>
|
||||
<a name="l00019"></a>00019 <span class="comment">* </span>
|
||||
<a name="l00020"></a>00020 <span class="comment">* Version 1.0.2 2010/11/11 </span>
|
||||
<a name="l00021"></a>00021 <span class="comment">* Documentation updated. </span>
|
||||
<a name="l00022"></a>00022 <span class="comment">* </span>
|
||||
<a name="l00023"></a>00023 <span class="comment">* Version 1.0.1 2010/10/05 </span>
|
||||
<a name="l00024"></a>00024 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00025"></a>00025 <span class="comment">* </span>
|
||||
<a name="l00026"></a>00026 <span class="comment">* Version 1.0.0 2010/09/20 </span>
|
||||
<a name="l00027"></a>00027 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00028"></a>00028 <span class="comment">* </span>
|
||||
<a name="l00029"></a>00029 <span class="comment">* Version 0.0.7 2010/06/10 </span>
|
||||
<a name="l00030"></a>00030 <span class="comment">* Misra-C changes done </span>
|
||||
<a name="l00031"></a>00031 <span class="comment">* -------------------------------------------------------------------- */</span>
|
||||
<a name="l00032"></a>00032
|
||||
<a name="l00033"></a>00033 <span class="preprocessor">#include "<a class="code" href="arm__math_8h.html">arm_math.h</a>"</span>
|
||||
<a name="l00034"></a>00034
|
||||
<a name="l00058"></a><a class="code" href="group___basic_abs.html#ga59eafcdcdb52da60d37f20aec6ff4577">00058</a> <span class="keywordtype">void</span> <a class="code" href="group___basic_abs.html#ga59eafcdcdb52da60d37f20aec6ff4577" title="Q31 vector absolute value.">arm_abs_q31</a>(
|
||||
<a name="l00059"></a>00059 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> * pSrc,
|
||||
<a name="l00060"></a>00060 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> * pDst,
|
||||
<a name="l00061"></a>00061 uint32_t <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)
|
||||
<a name="l00062"></a>00062 {
|
||||
<a name="l00063"></a>00063 uint32_t blkCnt; <span class="comment">/* loop counter */</span>
|
||||
<a name="l00064"></a>00064 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> in; <span class="comment">/* Input value */</span>
|
||||
<a name="l00065"></a>00065
|
||||
<a name="l00066"></a>00066 <span class="preprocessor">#ifndef ARM_MATH_CM0</span>
|
||||
<a name="l00067"></a>00067 <span class="preprocessor"></span>
|
||||
<a name="l00068"></a>00068 <span class="comment">/* Run the below code for Cortex-M4 and Cortex-M3 */</span>
|
||||
<a name="l00069"></a>00069
|
||||
<a name="l00070"></a>00070 <span class="comment">/*loop Unrolling */</span>
|
||||
<a name="l00071"></a>00071 blkCnt = blockSize >> 2u;
|
||||
<a name="l00072"></a>00072
|
||||
<a name="l00073"></a>00073 <span class="comment">/* First part of the processing with loop unrolling. Compute 4 outputs at a time. </span>
|
||||
<a name="l00074"></a>00074 <span class="comment"> ** a second loop below computes the remaining 1 to 3 samples. */</span>
|
||||
<a name="l00075"></a>00075 <span class="keywordflow">while</span>(blkCnt > 0u)
|
||||
<a name="l00076"></a>00076 {
|
||||
<a name="l00077"></a>00077 <span class="comment">/* C = |A| */</span>
|
||||
<a name="l00078"></a>00078 <span class="comment">/* Calculate absolute of input (if -1 then saturated to 0x7fffffff) and then store the results in the destination buffer. */</span>
|
||||
<a name="l00079"></a>00079 in = *pSrc++;
|
||||
<a name="l00080"></a>00080 *pDst++ = (in > 0) ? in : ((in == 0x80000000) ? 0x7fffffff : -in);
|
||||
<a name="l00081"></a>00081 in = *pSrc++;
|
||||
<a name="l00082"></a>00082 *pDst++ = (in > 0) ? in : ((in == 0x80000000) ? 0x7fffffff : -in);
|
||||
<a name="l00083"></a>00083 in = *pSrc++;
|
||||
<a name="l00084"></a>00084 *pDst++ = (in > 0) ? in : ((in == 0x80000000) ? 0x7fffffff : -in);
|
||||
<a name="l00085"></a>00085 in = *pSrc++;
|
||||
<a name="l00086"></a>00086 *pDst++ = (in > 0) ? in : ((in == 0x80000000) ? 0x7fffffff : -in);
|
||||
<a name="l00087"></a>00087
|
||||
<a name="l00088"></a>00088 <span class="comment">/* Decrement the loop counter */</span>
|
||||
<a name="l00089"></a>00089 blkCnt--;
|
||||
<a name="l00090"></a>00090 }
|
||||
<a name="l00091"></a>00091
|
||||
<a name="l00092"></a>00092 <span class="comment">/* If the blockSize is not a multiple of 4, compute any remaining output samples here. </span>
|
||||
<a name="l00093"></a>00093 <span class="comment"> ** No loop unrolling is used. */</span>
|
||||
<a name="l00094"></a>00094 blkCnt = blockSize % 0x4u;
|
||||
<a name="l00095"></a>00095
|
||||
<a name="l00096"></a>00096 <span class="preprocessor">#else</span>
|
||||
<a name="l00097"></a>00097 <span class="preprocessor"></span>
|
||||
<a name="l00098"></a>00098 <span class="comment">/* Run the below code for Cortex-M0 */</span>
|
||||
<a name="l00099"></a>00099
|
||||
<a name="l00100"></a>00100 <span class="comment">/* Initialize blkCnt with number of samples */</span>
|
||||
<a name="l00101"></a>00101 blkCnt = <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>;
|
||||
<a name="l00102"></a>00102
|
||||
<a name="l00103"></a>00103 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_CM0 */</span>
|
||||
<a name="l00104"></a>00104
|
||||
<a name="l00105"></a>00105 <span class="keywordflow">while</span>(blkCnt > 0u)
|
||||
<a name="l00106"></a>00106 {
|
||||
<a name="l00107"></a>00107 <span class="comment">/* C = |A| */</span>
|
||||
<a name="l00108"></a>00108 <span class="comment">/* Calculate absolute value of the input (if -1 then saturated to 0x7fffffff) and then store the results in the destination buffer. */</span>
|
||||
<a name="l00109"></a>00109 in = *pSrc++;
|
||||
<a name="l00110"></a>00110 *pDst++ = (in > 0) ? in : ((in == 0x80000000) ? 0x7fffffff : -in);
|
||||
<a name="l00111"></a>00111
|
||||
<a name="l00112"></a>00112 <span class="comment">/* Decrement the loop counter */</span>
|
||||
<a name="l00113"></a>00113 blkCnt--;
|
||||
<a name="l00114"></a>00114 }
|
||||
<a name="l00115"></a>00115
|
||||
<a name="l00116"></a>00116 }
|
||||
<a name="l00117"></a>00117
|
||||
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||||
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<h1>arm_abs_q7.c File Reference</h1> </div>
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<code>#include "<a class="el" href="arm__math_8h_source.html">arm_math.h</a>"</code><br/>
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<p><a href="arm__abs__q7_8c_source.html">Go to the source code of this file.</a></p>
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Functions</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___basic_abs.html#gadc30985e33fbf96802a5a7954dece3b1">arm_abs_q7</a> (<a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> *pSrc, <a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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<h1>arm_abs_q7.c</h1> </div>
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||||
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<div class="contents">
|
||||
<a href="arm__abs__q7_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* ---------------------------------------------------------------------- </span>
|
||||
<a name="l00002"></a>00002 <span class="comment">* Copyright (C) 2010 ARM Limited. All rights reserved. </span>
|
||||
<a name="l00003"></a>00003 <span class="comment">* </span>
|
||||
<a name="l00004"></a>00004 <span class="comment">* $Date: 15. July 2011 </span>
|
||||
<a name="l00005"></a>00005 <span class="comment">* $Revision: V1.0.10 </span>
|
||||
<a name="l00006"></a>00006 <span class="comment">* </span>
|
||||
<a name="l00007"></a>00007 <span class="comment">* Project: CMSIS DSP Library </span>
|
||||
<a name="l00008"></a>00008 <span class="comment">* Title: arm_abs_q7.c </span>
|
||||
<a name="l00009"></a>00009 <span class="comment">* </span>
|
||||
<a name="l00010"></a>00010 <span class="comment">* Description: Q7 vector absolute value. </span>
|
||||
<a name="l00011"></a>00011 <span class="comment">* </span>
|
||||
<a name="l00012"></a>00012 <span class="comment">* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0</span>
|
||||
<a name="l00013"></a>00013 <span class="comment">* </span>
|
||||
<a name="l00014"></a>00014 <span class="comment">* Version 1.0.10 2011/7/15 </span>
|
||||
<a name="l00015"></a>00015 <span class="comment">* Big Endian support added and Merged M0 and M3/M4 Source code. </span>
|
||||
<a name="l00016"></a>00016 <span class="comment">* </span>
|
||||
<a name="l00017"></a>00017 <span class="comment">* Version 1.0.3 2010/11/29 </span>
|
||||
<a name="l00018"></a>00018 <span class="comment">* Re-organized the CMSIS folders and updated documentation. </span>
|
||||
<a name="l00019"></a>00019 <span class="comment">* </span>
|
||||
<a name="l00020"></a>00020 <span class="comment">* Version 1.0.2 2010/11/11 </span>
|
||||
<a name="l00021"></a>00021 <span class="comment">* Documentation updated. </span>
|
||||
<a name="l00022"></a>00022 <span class="comment">* </span>
|
||||
<a name="l00023"></a>00023 <span class="comment">* Version 1.0.1 2010/10/05 </span>
|
||||
<a name="l00024"></a>00024 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00025"></a>00025 <span class="comment">* </span>
|
||||
<a name="l00026"></a>00026 <span class="comment">* Version 1.0.0 2010/09/20 </span>
|
||||
<a name="l00027"></a>00027 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00028"></a>00028 <span class="comment">* </span>
|
||||
<a name="l00029"></a>00029 <span class="comment">* Version 0.0.7 2010/06/10 </span>
|
||||
<a name="l00030"></a>00030 <span class="comment">* Misra-C changes done </span>
|
||||
<a name="l00031"></a>00031 <span class="comment">* -------------------------------------------------------------------- */</span>
|
||||
<a name="l00032"></a>00032
|
||||
<a name="l00033"></a>00033 <span class="preprocessor">#include "<a class="code" href="arm__math_8h.html">arm_math.h</a>"</span>
|
||||
<a name="l00034"></a>00034
|
||||
<a name="l00057"></a><a class="code" href="group___basic_abs.html#gadc30985e33fbf96802a5a7954dece3b1">00057</a> <span class="keywordtype">void</span> <a class="code" href="group___basic_abs.html#gadc30985e33fbf96802a5a7954dece3b1" title="Q7 vector absolute value.">arm_abs_q7</a>(
|
||||
<a name="l00058"></a>00058 <a class="code" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263" title="8-bit fractional data type in 1.7 format.">q7_t</a> * pSrc,
|
||||
<a name="l00059"></a>00059 <a class="code" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263" title="8-bit fractional data type in 1.7 format.">q7_t</a> * pDst,
|
||||
<a name="l00060"></a>00060 uint32_t <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)
|
||||
<a name="l00061"></a>00061 {
|
||||
<a name="l00062"></a>00062 uint32_t blkCnt; <span class="comment">/* loop counter */</span>
|
||||
<a name="l00063"></a>00063
|
||||
<a name="l00064"></a>00064 <span class="preprocessor">#ifndef ARM_MATH_CM0</span>
|
||||
<a name="l00065"></a>00065 <span class="preprocessor"></span>
|
||||
<a name="l00066"></a>00066 <span class="comment">/* Run the below code for Cortex-M4 and Cortex-M3 */</span>
|
||||
<a name="l00067"></a>00067 <a class="code" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263" title="8-bit fractional data type in 1.7 format.">q7_t</a> in1; <span class="comment">/* Input value1 */</span>
|
||||
<a name="l00068"></a>00068 <a class="code" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263" title="8-bit fractional data type in 1.7 format.">q7_t</a> in2; <span class="comment">/* Input value2 */</span>
|
||||
<a name="l00069"></a>00069 <a class="code" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263" title="8-bit fractional data type in 1.7 format.">q7_t</a> in3; <span class="comment">/* Input value3 */</span>
|
||||
<a name="l00070"></a>00070 <a class="code" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263" title="8-bit fractional data type in 1.7 format.">q7_t</a> in4; <span class="comment">/* Input value4 */</span>
|
||||
<a name="l00071"></a>00071
|
||||
<a name="l00072"></a>00072
|
||||
<a name="l00073"></a>00073 <span class="comment">/*loop Unrolling */</span>
|
||||
<a name="l00074"></a>00074 blkCnt = blockSize >> 2u;
|
||||
<a name="l00075"></a>00075
|
||||
<a name="l00076"></a>00076 <span class="comment">/* First part of the processing with loop unrolling. Compute 4 outputs at a time. </span>
|
||||
<a name="l00077"></a>00077 <span class="comment"> ** a second loop below computes the remaining 1 to 3 samples. */</span>
|
||||
<a name="l00078"></a>00078 <span class="keywordflow">while</span>(blkCnt > 0u)
|
||||
<a name="l00079"></a>00079 {
|
||||
<a name="l00080"></a>00080 <span class="comment">/* C = |A| */</span>
|
||||
<a name="l00081"></a>00081 <span class="comment">/* Read 4 inputs */</span>
|
||||
<a name="l00082"></a>00082 in1 = *pSrc++;
|
||||
<a name="l00083"></a>00083 in2 = *pSrc++;
|
||||
<a name="l00084"></a>00084 in3 = *pSrc++;
|
||||
<a name="l00085"></a>00085 in4 = *pSrc++;
|
||||
<a name="l00086"></a>00086
|
||||
<a name="l00087"></a>00087 <span class="comment">/* Store the Absolute result in the destination buffer by packing the 4 values in single cycle */</span>
|
||||
<a name="l00088"></a>00088 *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pDst)++ =
|
||||
<a name="l00089"></a>00089 <a class="code" href="arm__math_8h.html#a3ebff224ad44c217fde9f530342e2960" title="definition to pack four 8 bit values.">__PACKq7</a>(((in1 > 0) ? in1 : __SSAT(-in1, 8)),
|
||||
<a name="l00090"></a>00090 ((in2 > 0) ? in2 : __SSAT(-in2, 8)),
|
||||
<a name="l00091"></a>00091 ((in3 > 0) ? in3 : __SSAT(-in3, 8)),
|
||||
<a name="l00092"></a>00092 ((in4 > 0) ? in4 : __SSAT(-in4, 8)));
|
||||
<a name="l00093"></a>00093
|
||||
<a name="l00094"></a>00094 <span class="comment">/* Decrement the loop counter */</span>
|
||||
<a name="l00095"></a>00095 blkCnt--;
|
||||
<a name="l00096"></a>00096 }
|
||||
<a name="l00097"></a>00097
|
||||
<a name="l00098"></a>00098 <span class="comment">/* If the blockSize is not a multiple of 4, compute any remaining output samples here. </span>
|
||||
<a name="l00099"></a>00099 <span class="comment"> ** No loop unrolling is used. */</span>
|
||||
<a name="l00100"></a>00100 blkCnt = blockSize % 0x4u;
|
||||
<a name="l00101"></a>00101
|
||||
<a name="l00102"></a>00102 <span class="keywordflow">while</span>(blkCnt > 0u)
|
||||
<a name="l00103"></a>00103 {
|
||||
<a name="l00104"></a>00104 <span class="comment">/* C = |A| */</span>
|
||||
<a name="l00105"></a>00105 <span class="comment">/* Read the input */</span>
|
||||
<a name="l00106"></a>00106 in1 = *pSrc++;
|
||||
<a name="l00107"></a>00107
|
||||
<a name="l00108"></a>00108 <span class="comment">/* Store the Absolute result in the destination buffer */</span>
|
||||
<a name="l00109"></a>00109 *pDst++ = (in1 > 0) ? in1 : __SSAT(-in1, 8);
|
||||
<a name="l00110"></a>00110
|
||||
<a name="l00111"></a>00111 <span class="comment">/* Decrement the loop counter */</span>
|
||||
<a name="l00112"></a>00112 blkCnt--;
|
||||
<a name="l00113"></a>00113 }
|
||||
<a name="l00114"></a>00114
|
||||
<a name="l00115"></a>00115 <span class="preprocessor">#else</span>
|
||||
<a name="l00116"></a>00116 <span class="preprocessor"></span>
|
||||
<a name="l00117"></a>00117 <span class="comment">/* Run the below code for Cortex-M0 */</span>
|
||||
<a name="l00118"></a>00118
|
||||
<a name="l00119"></a>00119 <a class="code" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263" title="8-bit fractional data type in 1.7 format.">q7_t</a> in; <span class="comment">/* Temporary input varible */</span>
|
||||
<a name="l00120"></a>00120
|
||||
<a name="l00121"></a>00121 <span class="comment">/* Initialize blkCnt with number of samples */</span>
|
||||
<a name="l00122"></a>00122 blkCnt = <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>;
|
||||
<a name="l00123"></a>00123
|
||||
<a name="l00124"></a>00124 <span class="keywordflow">while</span>(blkCnt > 0u)
|
||||
<a name="l00125"></a>00125 {
|
||||
<a name="l00126"></a>00126 <span class="comment">/* C = |A| */</span>
|
||||
<a name="l00127"></a>00127 <span class="comment">/* Read the input */</span>
|
||||
<a name="l00128"></a>00128 in = *pSrc++;
|
||||
<a name="l00129"></a>00129
|
||||
<a name="l00130"></a>00130 <span class="comment">/* Store the Absolute result in the destination buffer */</span>
|
||||
<a name="l00131"></a>00131 *pDst++ = (in > 0) ? in : __SSAT(-in, 8);
|
||||
<a name="l00132"></a>00132
|
||||
<a name="l00133"></a>00133 <span class="comment">/* Decrement the loop counter */</span>
|
||||
<a name="l00134"></a>00134 blkCnt--;
|
||||
<a name="l00135"></a>00135 }
|
||||
<a name="l00136"></a>00136
|
||||
<a name="l00137"></a>00137 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_CM0 */</span>
|
||||
<a name="l00138"></a>00138
|
||||
<a name="l00139"></a>00139 }
|
||||
<a name="l00140"></a>00140
|
||||
</pre></div></div>
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||||
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<h1>arm_add_f32.c File Reference</h1> </div>
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<code>#include "<a class="el" href="arm__math_8h_source.html">arm_math.h</a>"</code><br/>
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Functions</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___basic_add.html#ga6a904a547413b10565dd1d251c6bafbd">arm_add_f32</a> (<a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrcA, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrcB, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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<h1>arm_add_f32.c</h1> </div>
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||||
<a href="arm__add__f32_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* ---------------------------------------------------------------------- </span>
|
||||
<a name="l00002"></a>00002 <span class="comment">* Copyright (C) 2010 ARM Limited. All rights reserved. </span>
|
||||
<a name="l00003"></a>00003 <span class="comment">* </span>
|
||||
<a name="l00004"></a>00004 <span class="comment">* $Date: 15. July 2011 </span>
|
||||
<a name="l00005"></a>00005 <span class="comment">* $Revision: V1.0.10 </span>
|
||||
<a name="l00006"></a>00006 <span class="comment">* </span>
|
||||
<a name="l00007"></a>00007 <span class="comment">* Project: CMSIS DSP Library </span>
|
||||
<a name="l00008"></a>00008 <span class="comment">* Title: arm_add_f32.c </span>
|
||||
<a name="l00009"></a>00009 <span class="comment">* </span>
|
||||
<a name="l00010"></a>00010 <span class="comment">* Description: Floating-point vector addition. </span>
|
||||
<a name="l00011"></a>00011 <span class="comment">* </span>
|
||||
<a name="l00012"></a>00012 <span class="comment">* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0</span>
|
||||
<a name="l00013"></a>00013 <span class="comment">* </span>
|
||||
<a name="l00014"></a>00014 <span class="comment">* Version 1.0.10 2011/7/15 </span>
|
||||
<a name="l00015"></a>00015 <span class="comment">* Big Endian support added and Merged M0 and M3/M4 Source code. </span>
|
||||
<a name="l00016"></a>00016 <span class="comment">* </span>
|
||||
<a name="l00017"></a>00017 <span class="comment">* Version 1.0.3 2010/11/29 </span>
|
||||
<a name="l00018"></a>00018 <span class="comment">* Re-organized the CMSIS folders and updated documentation. </span>
|
||||
<a name="l00019"></a>00019 <span class="comment">* </span>
|
||||
<a name="l00020"></a>00020 <span class="comment">* Version 1.0.2 2010/11/11 </span>
|
||||
<a name="l00021"></a>00021 <span class="comment">* Documentation updated. </span>
|
||||
<a name="l00022"></a>00022 <span class="comment">* </span>
|
||||
<a name="l00023"></a>00023 <span class="comment">* Version 1.0.1 2010/10/05 </span>
|
||||
<a name="l00024"></a>00024 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00025"></a>00025 <span class="comment">* </span>
|
||||
<a name="l00026"></a>00026 <span class="comment">* Version 1.0.0 2010/09/20 </span>
|
||||
<a name="l00027"></a>00027 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00028"></a>00028 <span class="comment">* </span>
|
||||
<a name="l00029"></a>00029 <span class="comment">* Version 0.0.7 2010/06/10 </span>
|
||||
<a name="l00030"></a>00030 <span class="comment">* Misra-C changes done </span>
|
||||
<a name="l00031"></a>00031 <span class="comment">* ---------------------------------------------------------------------------- */</span>
|
||||
<a name="l00032"></a>00032
|
||||
<a name="l00033"></a>00033 <span class="preprocessor">#include "<a class="code" href="arm__math_8h.html">arm_math.h</a>"</span>
|
||||
<a name="l00034"></a>00034
|
||||
<a name="l00065"></a><a class="code" href="group___basic_add.html#ga6a904a547413b10565dd1d251c6bafbd">00065</a> <span class="keywordtype">void</span> <a class="code" href="group___basic_add.html#ga6a904a547413b10565dd1d251c6bafbd" title="Floating-point vector addition.">arm_add_f32</a>(
|
||||
<a name="l00066"></a>00066 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> * pSrcA,
|
||||
<a name="l00067"></a>00067 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> * pSrcB,
|
||||
<a name="l00068"></a>00068 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> * pDst,
|
||||
<a name="l00069"></a>00069 uint32_t <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)
|
||||
<a name="l00070"></a>00070 {
|
||||
<a name="l00071"></a>00071 uint32_t blkCnt; <span class="comment">/* loop counter */</span>
|
||||
<a name="l00072"></a>00072
|
||||
<a name="l00073"></a>00073 <span class="preprocessor">#ifndef ARM_MATH_CM0</span>
|
||||
<a name="l00074"></a>00074 <span class="preprocessor"></span>
|
||||
<a name="l00075"></a>00075 <span class="comment">/* Run the below code for Cortex-M4 and Cortex-M3 */</span>
|
||||
<a name="l00076"></a>00076
|
||||
<a name="l00077"></a>00077 <span class="comment">/*loop Unrolling */</span>
|
||||
<a name="l00078"></a>00078 blkCnt = blockSize >> 2u;
|
||||
<a name="l00079"></a>00079
|
||||
<a name="l00080"></a>00080 <span class="comment">/* First part of the processing with loop unrolling. Compute 4 outputs at a time. </span>
|
||||
<a name="l00081"></a>00081 <span class="comment"> ** a second loop below computes the remaining 1 to 3 samples. */</span>
|
||||
<a name="l00082"></a>00082 <span class="keywordflow">while</span>(blkCnt > 0u)
|
||||
<a name="l00083"></a>00083 {
|
||||
<a name="l00084"></a>00084 <span class="comment">/* C = A + B */</span>
|
||||
<a name="l00085"></a>00085 <span class="comment">/* Add and then store the results in the destination buffer. */</span>
|
||||
<a name="l00086"></a>00086 *pDst++ = (*pSrcA++) + (*pSrcB++);
|
||||
<a name="l00087"></a>00087 *pDst++ = (*pSrcA++) + (*pSrcB++);
|
||||
<a name="l00088"></a>00088 *pDst++ = (*pSrcA++) + (*pSrcB++);
|
||||
<a name="l00089"></a>00089 *pDst++ = (*pSrcA++) + (*pSrcB++);
|
||||
<a name="l00090"></a>00090
|
||||
<a name="l00091"></a>00091 <span class="comment">/* Decrement the loop counter */</span>
|
||||
<a name="l00092"></a>00092 blkCnt--;
|
||||
<a name="l00093"></a>00093 }
|
||||
<a name="l00094"></a>00094
|
||||
<a name="l00095"></a>00095 <span class="comment">/* If the blockSize is not a multiple of 4, compute any remaining output samples here. </span>
|
||||
<a name="l00096"></a>00096 <span class="comment"> ** No loop unrolling is used. */</span>
|
||||
<a name="l00097"></a>00097 blkCnt = blockSize % 0x4u;
|
||||
<a name="l00098"></a>00098
|
||||
<a name="l00099"></a>00099 <span class="preprocessor">#else</span>
|
||||
<a name="l00100"></a>00100 <span class="preprocessor"></span>
|
||||
<a name="l00101"></a>00101 <span class="comment">/* Run the below code for Cortex-M0 */</span>
|
||||
<a name="l00102"></a>00102
|
||||
<a name="l00103"></a>00103 <span class="comment">/* Initialize blkCnt with number of samples */</span>
|
||||
<a name="l00104"></a>00104 blkCnt = <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>;
|
||||
<a name="l00105"></a>00105
|
||||
<a name="l00106"></a>00106 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_CM0 */</span>
|
||||
<a name="l00107"></a>00107
|
||||
<a name="l00108"></a>00108 <span class="keywordflow">while</span>(blkCnt > 0u)
|
||||
<a name="l00109"></a>00109 {
|
||||
<a name="l00110"></a>00110 <span class="comment">/* C = A + B */</span>
|
||||
<a name="l00111"></a>00111 <span class="comment">/* Add and then store the results in the destination buffer. */</span>
|
||||
<a name="l00112"></a>00112 *pDst++ = (*pSrcA++) + (*pSrcB++);
|
||||
<a name="l00113"></a>00113
|
||||
<a name="l00114"></a>00114 <span class="comment">/* Decrement the loop counter */</span>
|
||||
<a name="l00115"></a>00115 blkCnt--;
|
||||
<a name="l00116"></a>00116 }
|
||||
<a name="l00117"></a>00117 }
|
||||
<a name="l00118"></a>00118
|
||||
</pre></div></div>
|
||||
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<h1>arm_add_q15.c File Reference</h1> </div>
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<code>#include "<a class="el" href="arm__math_8h_source.html">arm_math.h</a>"</code><br/>
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<p><a href="arm__add__q15_8c_source.html">Go to the source code of this file.</a></p>
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Functions</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___basic_add.html#gabb51285a41f511670bbff62fc0e1bf62">arm_add_q15</a> (<a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pSrcA, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pSrcB, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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<h1>arm_add_q15.c</h1> </div>
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<div class="contents">
|
||||
<a href="arm__add__q15_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* ---------------------------------------------------------------------- </span>
|
||||
<a name="l00002"></a>00002 <span class="comment">* Copyright (C) 2010 ARM Limited. All rights reserved. </span>
|
||||
<a name="l00003"></a>00003 <span class="comment">* </span>
|
||||
<a name="l00004"></a>00004 <span class="comment">* $Date: 15. July 2011 </span>
|
||||
<a name="l00005"></a>00005 <span class="comment">* $Revision: V1.0.10 </span>
|
||||
<a name="l00006"></a>00006 <span class="comment">* </span>
|
||||
<a name="l00007"></a>00007 <span class="comment">* Project: CMSIS DSP Library </span>
|
||||
<a name="l00008"></a>00008 <span class="comment">* Title: arm_add_q15.c </span>
|
||||
<a name="l00009"></a>00009 <span class="comment">* </span>
|
||||
<a name="l00010"></a>00010 <span class="comment">* Description: Q15 vector addition </span>
|
||||
<a name="l00011"></a>00011 <span class="comment">* </span>
|
||||
<a name="l00012"></a>00012 <span class="comment">* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0</span>
|
||||
<a name="l00013"></a>00013 <span class="comment">* </span>
|
||||
<a name="l00014"></a>00014 <span class="comment">* Version 1.0.10 2011/7/15 </span>
|
||||
<a name="l00015"></a>00015 <span class="comment">* Big Endian support added and Merged M0 and M3/M4 Source code. </span>
|
||||
<a name="l00016"></a>00016 <span class="comment">* </span>
|
||||
<a name="l00017"></a>00017 <span class="comment">* Version 1.0.3 2010/11/29 </span>
|
||||
<a name="l00018"></a>00018 <span class="comment">* Re-organized the CMSIS folders and updated documentation. </span>
|
||||
<a name="l00019"></a>00019 <span class="comment">* </span>
|
||||
<a name="l00020"></a>00020 <span class="comment">* Version 1.0.2 2010/11/11 </span>
|
||||
<a name="l00021"></a>00021 <span class="comment">* Documentation updated. </span>
|
||||
<a name="l00022"></a>00022 <span class="comment">* </span>
|
||||
<a name="l00023"></a>00023 <span class="comment">* Version 1.0.1 2010/10/05 </span>
|
||||
<a name="l00024"></a>00024 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00025"></a>00025 <span class="comment">* </span>
|
||||
<a name="l00026"></a>00026 <span class="comment">* Version 1.0.0 2010/09/20 </span>
|
||||
<a name="l00027"></a>00027 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00028"></a>00028 <span class="comment">* </span>
|
||||
<a name="l00029"></a>00029 <span class="comment">* Version 0.0.7 2010/06/10 </span>
|
||||
<a name="l00030"></a>00030 <span class="comment">* Misra-C changes done </span>
|
||||
<a name="l00031"></a>00031 <span class="comment">* -------------------------------------------------------------------- */</span>
|
||||
<a name="l00032"></a>00032
|
||||
<a name="l00033"></a>00033 <span class="preprocessor">#include "<a class="code" href="arm__math_8h.html">arm_math.h</a>"</span>
|
||||
<a name="l00034"></a>00034
|
||||
<a name="l00058"></a><a class="code" href="group___basic_add.html#gabb51285a41f511670bbff62fc0e1bf62">00058</a> <span class="keywordtype">void</span> <a class="code" href="group___basic_add.html#gabb51285a41f511670bbff62fc0e1bf62" title="Q15 vector addition.">arm_add_q15</a>(
|
||||
<a name="l00059"></a>00059 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> * pSrcA,
|
||||
<a name="l00060"></a>00060 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> * pSrcB,
|
||||
<a name="l00061"></a>00061 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> * pDst,
|
||||
<a name="l00062"></a>00062 uint32_t <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)
|
||||
<a name="l00063"></a>00063 {
|
||||
<a name="l00064"></a>00064 uint32_t blkCnt; <span class="comment">/* loop counter */</span>
|
||||
<a name="l00065"></a>00065
|
||||
<a name="l00066"></a>00066 <span class="preprocessor">#ifndef ARM_MATH_CM0</span>
|
||||
<a name="l00067"></a>00067 <span class="preprocessor"></span>
|
||||
<a name="l00068"></a>00068 <span class="comment">/* Run the below code for Cortex-M4 and Cortex-M3 */</span>
|
||||
<a name="l00069"></a>00069
|
||||
<a name="l00070"></a>00070
|
||||
<a name="l00071"></a>00071 <span class="comment">/*loop Unrolling */</span>
|
||||
<a name="l00072"></a>00072 blkCnt = blockSize >> 2u;
|
||||
<a name="l00073"></a>00073
|
||||
<a name="l00074"></a>00074 <span class="comment">/* First part of the processing with loop unrolling. Compute 4 outputs at a time. </span>
|
||||
<a name="l00075"></a>00075 <span class="comment"> ** a second loop below computes the remaining 1 to 3 samples. */</span>
|
||||
<a name="l00076"></a>00076 <span class="keywordflow">while</span>(blkCnt > 0u)
|
||||
<a name="l00077"></a>00077 {
|
||||
<a name="l00078"></a>00078 <span class="comment">/* C = A + B */</span>
|
||||
<a name="l00079"></a>00079 <span class="comment">/* Add and then store the results in the destination buffer. */</span>
|
||||
<a name="l00080"></a>00080 *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pDst)++ = __QADD16(*<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pSrcA)++, *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pSrcB)++);
|
||||
<a name="l00081"></a>00081 *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pDst)++ = __QADD16(*<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pSrcA)++, *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pSrcB)++);
|
||||
<a name="l00082"></a>00082
|
||||
<a name="l00083"></a>00083 <span class="comment">/* Decrement the loop counter */</span>
|
||||
<a name="l00084"></a>00084 blkCnt--;
|
||||
<a name="l00085"></a>00085 }
|
||||
<a name="l00086"></a>00086
|
||||
<a name="l00087"></a>00087 <span class="comment">/* If the blockSize is not a multiple of 4, compute any remaining output samples here. </span>
|
||||
<a name="l00088"></a>00088 <span class="comment"> ** No loop unrolling is used. */</span>
|
||||
<a name="l00089"></a>00089 blkCnt = blockSize % 0x4u;
|
||||
<a name="l00090"></a>00090
|
||||
<a name="l00091"></a>00091 <span class="keywordflow">while</span>(blkCnt > 0u)
|
||||
<a name="l00092"></a>00092 {
|
||||
<a name="l00093"></a>00093 <span class="comment">/* C = A + B */</span>
|
||||
<a name="l00094"></a>00094 <span class="comment">/* Add and then store the results in the destination buffer. */</span>
|
||||
<a name="l00095"></a>00095 *pDst++ = (<a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a>) __QADD16(*pSrcA++, *pSrcB++);
|
||||
<a name="l00096"></a>00096
|
||||
<a name="l00097"></a>00097 <span class="comment">/* Decrement the loop counter */</span>
|
||||
<a name="l00098"></a>00098 blkCnt--;
|
||||
<a name="l00099"></a>00099 }
|
||||
<a name="l00100"></a>00100
|
||||
<a name="l00101"></a>00101 <span class="preprocessor">#else</span>
|
||||
<a name="l00102"></a>00102 <span class="preprocessor"></span>
|
||||
<a name="l00103"></a>00103 <span class="comment">/* Run the below code for Cortex-M0 */</span>
|
||||
<a name="l00104"></a>00104
|
||||
<a name="l00105"></a>00105
|
||||
<a name="l00106"></a>00106
|
||||
<a name="l00107"></a>00107 <span class="comment">/* Initialize blkCnt with number of samples */</span>
|
||||
<a name="l00108"></a>00108 blkCnt = <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>;
|
||||
<a name="l00109"></a>00109
|
||||
<a name="l00110"></a>00110 <span class="keywordflow">while</span>(blkCnt > 0u)
|
||||
<a name="l00111"></a>00111 {
|
||||
<a name="l00112"></a>00112 <span class="comment">/* C = A + B */</span>
|
||||
<a name="l00113"></a>00113 <span class="comment">/* Add and then store the results in the destination buffer. */</span>
|
||||
<a name="l00114"></a>00114 *pDst++ = (<a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a>) __SSAT(((<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) * pSrcA++ + *pSrcB++), 16);
|
||||
<a name="l00115"></a>00115
|
||||
<a name="l00116"></a>00116 <span class="comment">/* Decrement the loop counter */</span>
|
||||
<a name="l00117"></a>00117 blkCnt--;
|
||||
<a name="l00118"></a>00118 }
|
||||
<a name="l00119"></a>00119
|
||||
<a name="l00120"></a>00120 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_CM0 */</span>
|
||||
<a name="l00121"></a>00121
|
||||
<a name="l00122"></a>00122
|
||||
<a name="l00123"></a>00123 }
|
||||
<a name="l00124"></a>00124
|
||||
</pre></div></div>
|
||||
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<h1>arm_add_q31.c File Reference</h1> </div>
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<code>#include "<a class="el" href="arm__math_8h_source.html">arm_math.h</a>"</code><br/>
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<p><a href="arm__add__q31_8c_source.html">Go to the source code of this file.</a></p>
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Functions</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___basic_add.html#ga24d6c3f7f8b9fae4847c0c3f26a39a3b">arm_add_q31</a> (<a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrcA, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrcB, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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<h1>arm_add_q31.c</h1> </div>
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||||
<a href="arm__add__q31_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* ---------------------------------------------------------------------- </span>
|
||||
<a name="l00002"></a>00002 <span class="comment">* Copyright (C) 2010 ARM Limited. All rights reserved. </span>
|
||||
<a name="l00003"></a>00003 <span class="comment">* </span>
|
||||
<a name="l00004"></a>00004 <span class="comment">* $Date: 15. July 2011 </span>
|
||||
<a name="l00005"></a>00005 <span class="comment">* $Revision: V1.0.10 </span>
|
||||
<a name="l00006"></a>00006 <span class="comment">* </span>
|
||||
<a name="l00007"></a>00007 <span class="comment">* Project: CMSIS DSP Library </span>
|
||||
<a name="l00008"></a>00008 <span class="comment">* Title: arm_add_q31.c </span>
|
||||
<a name="l00009"></a>00009 <span class="comment">* </span>
|
||||
<a name="l00010"></a>00010 <span class="comment">* Description: Q31 vector addition. </span>
|
||||
<a name="l00011"></a>00011 <span class="comment">* </span>
|
||||
<a name="l00012"></a>00012 <span class="comment">* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0</span>
|
||||
<a name="l00013"></a>00013 <span class="comment">* </span>
|
||||
<a name="l00014"></a>00014 <span class="comment">* Version 1.0.10 2011/7/15 </span>
|
||||
<a name="l00015"></a>00015 <span class="comment">* Big Endian support added and Merged M0 and M3/M4 Source code. </span>
|
||||
<a name="l00016"></a>00016 <span class="comment">* </span>
|
||||
<a name="l00017"></a>00017 <span class="comment">* Version 1.0.3 2010/11/29 </span>
|
||||
<a name="l00018"></a>00018 <span class="comment">* Re-organized the CMSIS folders and updated documentation. </span>
|
||||
<a name="l00019"></a>00019 <span class="comment">* </span>
|
||||
<a name="l00020"></a>00020 <span class="comment">* Version 1.0.2 2010/11/11 </span>
|
||||
<a name="l00021"></a>00021 <span class="comment">* Documentation updated. </span>
|
||||
<a name="l00022"></a>00022 <span class="comment">* </span>
|
||||
<a name="l00023"></a>00023 <span class="comment">* Version 1.0.1 2010/10/05 </span>
|
||||
<a name="l00024"></a>00024 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00025"></a>00025 <span class="comment">* </span>
|
||||
<a name="l00026"></a>00026 <span class="comment">* Version 1.0.0 2010/09/20 </span>
|
||||
<a name="l00027"></a>00027 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00028"></a>00028 <span class="comment">* </span>
|
||||
<a name="l00029"></a>00029 <span class="comment">* Version 0.0.7 2010/06/10 </span>
|
||||
<a name="l00030"></a>00030 <span class="comment">* Misra-C changes done </span>
|
||||
<a name="l00031"></a>00031 <span class="comment">* -------------------------------------------------------------------- */</span>
|
||||
<a name="l00032"></a>00032
|
||||
<a name="l00033"></a>00033 <span class="preprocessor">#include "<a class="code" href="arm__math_8h.html">arm_math.h</a>"</span>
|
||||
<a name="l00034"></a>00034
|
||||
<a name="l00059"></a><a class="code" href="group___basic_add.html#ga24d6c3f7f8b9fae4847c0c3f26a39a3b">00059</a> <span class="keywordtype">void</span> <a class="code" href="group___basic_add.html#ga24d6c3f7f8b9fae4847c0c3f26a39a3b" title="Q31 vector addition.">arm_add_q31</a>(
|
||||
<a name="l00060"></a>00060 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> * pSrcA,
|
||||
<a name="l00061"></a>00061 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> * pSrcB,
|
||||
<a name="l00062"></a>00062 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> * pDst,
|
||||
<a name="l00063"></a>00063 uint32_t <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)
|
||||
<a name="l00064"></a>00064 {
|
||||
<a name="l00065"></a>00065 uint32_t blkCnt; <span class="comment">/* loop counter */</span>
|
||||
<a name="l00066"></a>00066
|
||||
<a name="l00067"></a>00067 <span class="preprocessor">#ifndef ARM_MATH_CM0</span>
|
||||
<a name="l00068"></a>00068 <span class="preprocessor"></span>
|
||||
<a name="l00069"></a>00069 <span class="comment">/* Run the below code for Cortex-M4 and Cortex-M3 */</span>
|
||||
<a name="l00070"></a>00070
|
||||
<a name="l00071"></a>00071
|
||||
<a name="l00072"></a>00072 <span class="comment">/*loop Unrolling */</span>
|
||||
<a name="l00073"></a>00073 blkCnt = blockSize >> 2u;
|
||||
<a name="l00074"></a>00074
|
||||
<a name="l00075"></a>00075 <span class="comment">/* First part of the processing with loop unrolling. Compute 4 outputs at a time. </span>
|
||||
<a name="l00076"></a>00076 <span class="comment"> ** a second loop below computes the remaining 1 to 3 samples. */</span>
|
||||
<a name="l00077"></a>00077 <span class="keywordflow">while</span>(blkCnt > 0u)
|
||||
<a name="l00078"></a>00078 {
|
||||
<a name="l00079"></a>00079 <span class="comment">/* C = A + B */</span>
|
||||
<a name="l00080"></a>00080 <span class="comment">/* Add and then store the results in the destination buffer. */</span>
|
||||
<a name="l00081"></a>00081 *pDst++ = __QADD(*pSrcA++, *pSrcB++);
|
||||
<a name="l00082"></a>00082 *pDst++ = __QADD(*pSrcA++, *pSrcB++);
|
||||
<a name="l00083"></a>00083 *pDst++ = __QADD(*pSrcA++, *pSrcB++);
|
||||
<a name="l00084"></a>00084 *pDst++ = __QADD(*pSrcA++, *pSrcB++);
|
||||
<a name="l00085"></a>00085
|
||||
<a name="l00086"></a>00086 <span class="comment">/* Decrement the loop counter */</span>
|
||||
<a name="l00087"></a>00087 blkCnt--;
|
||||
<a name="l00088"></a>00088 }
|
||||
<a name="l00089"></a>00089
|
||||
<a name="l00090"></a>00090 <span class="comment">/* If the blockSize is not a multiple of 4, compute any remaining output samples here. </span>
|
||||
<a name="l00091"></a>00091 <span class="comment"> ** No loop unrolling is used. */</span>
|
||||
<a name="l00092"></a>00092 blkCnt = blockSize % 0x4u;
|
||||
<a name="l00093"></a>00093
|
||||
<a name="l00094"></a>00094 <span class="keywordflow">while</span>(blkCnt > 0u)
|
||||
<a name="l00095"></a>00095 {
|
||||
<a name="l00096"></a>00096 <span class="comment">/* C = A + B */</span>
|
||||
<a name="l00097"></a>00097 <span class="comment">/* Add and then store the results in the destination buffer. */</span>
|
||||
<a name="l00098"></a>00098 *pDst++ = __QADD(*pSrcA++, *pSrcB++);
|
||||
<a name="l00099"></a>00099
|
||||
<a name="l00100"></a>00100 <span class="comment">/* Decrement the loop counter */</span>
|
||||
<a name="l00101"></a>00101 blkCnt--;
|
||||
<a name="l00102"></a>00102 }
|
||||
<a name="l00103"></a>00103
|
||||
<a name="l00104"></a>00104 <span class="preprocessor">#else</span>
|
||||
<a name="l00105"></a>00105 <span class="preprocessor"></span>
|
||||
<a name="l00106"></a>00106 <span class="comment">/* Run the below code for Cortex-M0 */</span>
|
||||
<a name="l00107"></a>00107
|
||||
<a name="l00108"></a>00108
|
||||
<a name="l00109"></a>00109
|
||||
<a name="l00110"></a>00110 <span class="comment">/* Initialize blkCnt with number of samples */</span>
|
||||
<a name="l00111"></a>00111 blkCnt = <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>;
|
||||
<a name="l00112"></a>00112
|
||||
<a name="l00113"></a>00113 <span class="keywordflow">while</span>(blkCnt > 0u)
|
||||
<a name="l00114"></a>00114 {
|
||||
<a name="l00115"></a>00115 <span class="comment">/* C = A + B */</span>
|
||||
<a name="l00116"></a>00116 <span class="comment">/* Add and then store the results in the destination buffer. */</span>
|
||||
<a name="l00117"></a>00117 *pDst++ = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) <a class="code" href="arm__math_8h.html#ad7373e53d3c2e1adfeafc8c2e9720b5c" title="Clips Q63 to Q31 values.">clip_q63_to_q31</a>((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) * pSrcA++ + *pSrcB++);
|
||||
<a name="l00118"></a>00118
|
||||
<a name="l00119"></a>00119 <span class="comment">/* Decrement the loop counter */</span>
|
||||
<a name="l00120"></a>00120 blkCnt--;
|
||||
<a name="l00121"></a>00121 }
|
||||
<a name="l00122"></a>00122
|
||||
<a name="l00123"></a>00123 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_CM0 */</span>
|
||||
<a name="l00124"></a>00124
|
||||
<a name="l00125"></a>00125 }
|
||||
<a name="l00126"></a>00126
|
||||
</pre></div></div>
|
||||
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<h1>arm_add_q7.c File Reference</h1> </div>
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<code>#include "<a class="el" href="arm__math_8h_source.html">arm_math.h</a>"</code><br/>
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Functions</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___basic_add.html#gaed633f415a7840a66861debca2dfb96b">arm_add_q7</a> (<a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> *pSrcA, <a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> *pSrcB, <a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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<h1>arm_add_q7.c</h1> </div>
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||||
<a href="arm__add__q7_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* ---------------------------------------------------------------------- </span>
|
||||
<a name="l00002"></a>00002 <span class="comment">* Copyright (C) 2010 ARM Limited. All rights reserved. </span>
|
||||
<a name="l00003"></a>00003 <span class="comment">* </span>
|
||||
<a name="l00004"></a>00004 <span class="comment">* $Date: 15. July 2011 </span>
|
||||
<a name="l00005"></a>00005 <span class="comment">* $Revision: V1.0.10 </span>
|
||||
<a name="l00006"></a>00006 <span class="comment">* </span>
|
||||
<a name="l00007"></a>00007 <span class="comment">* Project: CMSIS DSP Library </span>
|
||||
<a name="l00008"></a>00008 <span class="comment">* Title: arm_add_q7.c </span>
|
||||
<a name="l00009"></a>00009 <span class="comment">* </span>
|
||||
<a name="l00010"></a>00010 <span class="comment">* Description: Q7 vector addition. </span>
|
||||
<a name="l00011"></a>00011 <span class="comment">* </span>
|
||||
<a name="l00012"></a>00012 <span class="comment">* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0</span>
|
||||
<a name="l00013"></a>00013 <span class="comment">* </span>
|
||||
<a name="l00014"></a>00014 <span class="comment">* Version 1.0.10 2011/7/15 </span>
|
||||
<a name="l00015"></a>00015 <span class="comment">* Big Endian support added and Merged M0 and M3/M4 Source code. </span>
|
||||
<a name="l00016"></a>00016 <span class="comment">* </span>
|
||||
<a name="l00017"></a>00017 <span class="comment">* Version 1.0.3 2010/11/29 </span>
|
||||
<a name="l00018"></a>00018 <span class="comment">* Re-organized the CMSIS folders and updated documentation. </span>
|
||||
<a name="l00019"></a>00019 <span class="comment">* </span>
|
||||
<a name="l00020"></a>00020 <span class="comment">* Version 1.0.2 2010/11/11 </span>
|
||||
<a name="l00021"></a>00021 <span class="comment">* Documentation updated. </span>
|
||||
<a name="l00022"></a>00022 <span class="comment">* </span>
|
||||
<a name="l00023"></a>00023 <span class="comment">* Version 1.0.1 2010/10/05 </span>
|
||||
<a name="l00024"></a>00024 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00025"></a>00025 <span class="comment">* </span>
|
||||
<a name="l00026"></a>00026 <span class="comment">* Version 1.0.0 2010/09/20 </span>
|
||||
<a name="l00027"></a>00027 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00028"></a>00028 <span class="comment">* </span>
|
||||
<a name="l00029"></a>00029 <span class="comment">* Version 0.0.7 2010/06/10 </span>
|
||||
<a name="l00030"></a>00030 <span class="comment">* Misra-C changes done </span>
|
||||
<a name="l00031"></a>00031 <span class="comment">* -------------------------------------------------------------------- */</span>
|
||||
<a name="l00032"></a>00032
|
||||
<a name="l00033"></a>00033 <span class="preprocessor">#include "<a class="code" href="arm__math_8h.html">arm_math.h</a>"</span>
|
||||
<a name="l00034"></a>00034
|
||||
<a name="l00058"></a><a class="code" href="group___basic_add.html#gaed633f415a7840a66861debca2dfb96b">00058</a> <span class="keywordtype">void</span> <a class="code" href="group___basic_add.html#gaed633f415a7840a66861debca2dfb96b" title="Q7 vector addition.">arm_add_q7</a>(
|
||||
<a name="l00059"></a>00059 <a class="code" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263" title="8-bit fractional data type in 1.7 format.">q7_t</a> * pSrcA,
|
||||
<a name="l00060"></a>00060 <a class="code" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263" title="8-bit fractional data type in 1.7 format.">q7_t</a> * pSrcB,
|
||||
<a name="l00061"></a>00061 <a class="code" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263" title="8-bit fractional data type in 1.7 format.">q7_t</a> * pDst,
|
||||
<a name="l00062"></a>00062 uint32_t <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)
|
||||
<a name="l00063"></a>00063 {
|
||||
<a name="l00064"></a>00064 uint32_t blkCnt; <span class="comment">/* loop counter */</span>
|
||||
<a name="l00065"></a>00065
|
||||
<a name="l00066"></a>00066 <span class="preprocessor">#ifndef ARM_MATH_CM0</span>
|
||||
<a name="l00067"></a>00067 <span class="preprocessor"></span>
|
||||
<a name="l00068"></a>00068 <span class="comment">/* Run the below code for Cortex-M4 and Cortex-M3 */</span>
|
||||
<a name="l00069"></a>00069
|
||||
<a name="l00070"></a>00070
|
||||
<a name="l00071"></a>00071 <span class="comment">/*loop Unrolling */</span>
|
||||
<a name="l00072"></a>00072 blkCnt = blockSize >> 2u;
|
||||
<a name="l00073"></a>00073
|
||||
<a name="l00074"></a>00074 <span class="comment">/* First part of the processing with loop unrolling. Compute 4 outputs at a time. </span>
|
||||
<a name="l00075"></a>00075 <span class="comment"> ** a second loop below computes the remaining 1 to 3 samples. */</span>
|
||||
<a name="l00076"></a>00076 <span class="keywordflow">while</span>(blkCnt > 0u)
|
||||
<a name="l00077"></a>00077 {
|
||||
<a name="l00078"></a>00078 <span class="comment">/* C = A + B */</span>
|
||||
<a name="l00079"></a>00079 <span class="comment">/* Add and then store the results in the destination buffer. */</span>
|
||||
<a name="l00080"></a>00080 *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pDst)++ = __QADD8(*<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pSrcA)++, *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pSrcB)++);
|
||||
<a name="l00081"></a>00081
|
||||
<a name="l00082"></a>00082 <span class="comment">/* Decrement the loop counter */</span>
|
||||
<a name="l00083"></a>00083 blkCnt--;
|
||||
<a name="l00084"></a>00084 }
|
||||
<a name="l00085"></a>00085
|
||||
<a name="l00086"></a>00086 <span class="comment">/* If the blockSize is not a multiple of 4, compute any remaining output samples here. </span>
|
||||
<a name="l00087"></a>00087 <span class="comment"> ** No loop unrolling is used. */</span>
|
||||
<a name="l00088"></a>00088 blkCnt = blockSize % 0x4u;
|
||||
<a name="l00089"></a>00089
|
||||
<a name="l00090"></a>00090 <span class="keywordflow">while</span>(blkCnt > 0u)
|
||||
<a name="l00091"></a>00091 {
|
||||
<a name="l00092"></a>00092 <span class="comment">/* C = A + B */</span>
|
||||
<a name="l00093"></a>00093 <span class="comment">/* Add and then store the results in the destination buffer. */</span>
|
||||
<a name="l00094"></a>00094 *pDst++ = (<a class="code" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263" title="8-bit fractional data type in 1.7 format.">q7_t</a>) __SSAT(*pSrcA++ + *pSrcB++, 8);
|
||||
<a name="l00095"></a>00095
|
||||
<a name="l00096"></a>00096 <span class="comment">/* Decrement the loop counter */</span>
|
||||
<a name="l00097"></a>00097 blkCnt--;
|
||||
<a name="l00098"></a>00098 }
|
||||
<a name="l00099"></a>00099
|
||||
<a name="l00100"></a>00100 <span class="preprocessor">#else</span>
|
||||
<a name="l00101"></a>00101 <span class="preprocessor"></span>
|
||||
<a name="l00102"></a>00102 <span class="comment">/* Run the below code for Cortex-M0 */</span>
|
||||
<a name="l00103"></a>00103
|
||||
<a name="l00104"></a>00104
|
||||
<a name="l00105"></a>00105
|
||||
<a name="l00106"></a>00106 <span class="comment">/* Initialize blkCnt with number of samples */</span>
|
||||
<a name="l00107"></a>00107 blkCnt = <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>;
|
||||
<a name="l00108"></a>00108
|
||||
<a name="l00109"></a>00109 <span class="keywordflow">while</span>(blkCnt > 0u)
|
||||
<a name="l00110"></a>00110 {
|
||||
<a name="l00111"></a>00111 <span class="comment">/* C = A + B */</span>
|
||||
<a name="l00112"></a>00112 <span class="comment">/* Add and then store the results in the destination buffer. */</span>
|
||||
<a name="l00113"></a>00113 *pDst++ = (<a class="code" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263" title="8-bit fractional data type in 1.7 format.">q7_t</a>) __SSAT((<a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a>) * pSrcA++ + *pSrcB++, 8);
|
||||
<a name="l00114"></a>00114
|
||||
<a name="l00115"></a>00115 <span class="comment">/* Decrement the loop counter */</span>
|
||||
<a name="l00116"></a>00116 blkCnt--;
|
||||
<a name="l00117"></a>00117 }
|
||||
<a name="l00118"></a>00118
|
||||
<a name="l00119"></a>00119 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_CM0 */</span>
|
||||
<a name="l00120"></a>00120
|
||||
<a name="l00121"></a>00121
|
||||
<a name="l00122"></a>00122 }
|
||||
<a name="l00123"></a>00123
|
||||
</pre></div></div>
|
||||
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<h1>arm_biquad_cascade_df1_32x64_init_q31.c File Reference</h1> </div>
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<code>#include "<a class="el" href="arm__math_8h_source.html">arm_math.h</a>"</code><br/>
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Functions</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___biquad_cascade_d_f1__32x64.html#ga44900cecb8083afcaabf905ffcd656bb">arm_biquad_cas_df1_32x64_init_q31</a> (<a class="el" href="structarm__biquad__cas__df1__32x64__ins__q31.html">arm_biquad_cas_df1_32x64_ins_q31</a> *S, uint8_t numStages, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pCoeffs, <a class="el" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6">q63_t</a> *pState, uint8_t postShift)</td></tr>
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||||
<a href="arm__biquad__cascade__df1__32x64__init__q31_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* ---------------------------------------------------------------------- </span>
|
||||
<a name="l00002"></a>00002 <span class="comment">* Copyright (C) 2010 ARM Limited. All rights reserved. </span>
|
||||
<a name="l00003"></a>00003 <span class="comment">* </span>
|
||||
<a name="l00004"></a>00004 <span class="comment">* $Date: 15. July 2011 </span>
|
||||
<a name="l00005"></a>00005 <span class="comment">* $Revision: V1.0.10 </span>
|
||||
<a name="l00006"></a>00006 <span class="comment">* </span>
|
||||
<a name="l00007"></a>00007 <span class="comment">* Project: CMSIS DSP Library </span>
|
||||
<a name="l00008"></a>00008 <span class="comment">* Title: arm_biquad_cascade_df1_32x64_init_q31.c </span>
|
||||
<a name="l00009"></a>00009 <span class="comment">* </span>
|
||||
<a name="l00010"></a>00010 <span class="comment">* Description: High precision Q31 Biquad cascade filter initialization function. </span>
|
||||
<a name="l00011"></a>00011 <span class="comment">* </span>
|
||||
<a name="l00012"></a>00012 <span class="comment">* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0</span>
|
||||
<a name="l00013"></a>00013 <span class="comment">* </span>
|
||||
<a name="l00014"></a>00014 <span class="comment">* Version 1.0.10 2011/7/15 </span>
|
||||
<a name="l00015"></a>00015 <span class="comment">* Big Endian support added and Merged M0 and M3/M4 Source code. </span>
|
||||
<a name="l00016"></a>00016 <span class="comment">* </span>
|
||||
<a name="l00017"></a>00017 <span class="comment">* Version 1.0.3 2010/11/29 </span>
|
||||
<a name="l00018"></a>00018 <span class="comment">* Re-organized the CMSIS folders and updated documentation. </span>
|
||||
<a name="l00019"></a>00019 <span class="comment">* </span>
|
||||
<a name="l00020"></a>00020 <span class="comment">* Version 1.0.2 2010/11/11 </span>
|
||||
<a name="l00021"></a>00021 <span class="comment">* Documentation updated. </span>
|
||||
<a name="l00022"></a>00022 <span class="comment">* </span>
|
||||
<a name="l00023"></a>00023 <span class="comment">* Version 1.0.1 2010/10/05 </span>
|
||||
<a name="l00024"></a>00024 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00025"></a>00025 <span class="comment">* </span>
|
||||
<a name="l00026"></a>00026 <span class="comment">* Version 1.0.0 2010/09/20 </span>
|
||||
<a name="l00027"></a>00027 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00028"></a>00028 <span class="comment">* </span>
|
||||
<a name="l00029"></a>00029 <span class="comment">* Version 0.0.7 2010/06/10 </span>
|
||||
<a name="l00030"></a>00030 <span class="comment">* Misra-C changes done </span>
|
||||
<a name="l00031"></a>00031 <span class="comment">* -------------------------------------------------------------------- */</span>
|
||||
<a name="l00032"></a>00032
|
||||
<a name="l00033"></a>00033 <span class="preprocessor">#include "<a class="code" href="arm__math_8h.html">arm_math.h</a>"</span>
|
||||
<a name="l00034"></a>00034
|
||||
<a name="l00077"></a><a class="code" href="group___biquad_cascade_d_f1__32x64.html#ga44900cecb8083afcaabf905ffcd656bb">00077</a> <span class="keywordtype">void</span> <a class="code" href="group___biquad_cascade_d_f1__32x64.html#ga44900cecb8083afcaabf905ffcd656bb">arm_biquad_cas_df1_32x64_init_q31</a>(
|
||||
<a name="l00078"></a>00078 <a class="code" href="structarm__biquad__cas__df1__32x64__ins__q31.html" title="Instance structure for the high precision Q31 Biquad cascade filter.">arm_biquad_cas_df1_32x64_ins_q31</a> * S,
|
||||
<a name="l00079"></a>00079 uint8_t numStages,
|
||||
<a name="l00080"></a>00080 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> * pCoeffs,
|
||||
<a name="l00081"></a>00081 <a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a> * pState,
|
||||
<a name="l00082"></a>00082 uint8_t postShift)
|
||||
<a name="l00083"></a>00083 {
|
||||
<a name="l00084"></a>00084 <span class="comment">/* Assign filter stages */</span>
|
||||
<a name="l00085"></a>00085 S-><a class="code" href="structarm__biquad__cas__df1__32x64__ins__q31.html#ad7cb9a9f5df8f4fcfc7a0b633672e574">numStages</a> = numStages;
|
||||
<a name="l00086"></a>00086
|
||||
<a name="l00087"></a>00087 <span class="comment">/* Assign postShift to be applied to the output */</span>
|
||||
<a name="l00088"></a>00088 S-><a class="code" href="structarm__biquad__cas__df1__32x64__ins__q31.html#a8e9d58e8dba5aa3b2fc4f36d2ed07996">postShift</a> = postShift;
|
||||
<a name="l00089"></a>00089
|
||||
<a name="l00090"></a>00090 <span class="comment">/* Assign coefficient pointer */</span>
|
||||
<a name="l00091"></a>00091 S-><a class="code" href="structarm__biquad__cas__df1__32x64__ins__q31.html#a490462d6ebe0fecfb6acbf51bed22ecf">pCoeffs</a> = pCoeffs;
|
||||
<a name="l00092"></a>00092
|
||||
<a name="l00093"></a>00093 <span class="comment">/* Clear state buffer and size is always 4 * numStages */</span>
|
||||
<a name="l00094"></a>00094 memset(pState, 0, (4u * (uint32_t) numStages) * <span class="keyword">sizeof</span>(<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>));
|
||||
<a name="l00095"></a>00095
|
||||
<a name="l00096"></a>00096 <span class="comment">/* Assign state pointer */</span>
|
||||
<a name="l00097"></a>00097 S-><a class="code" href="structarm__biquad__cas__df1__32x64__ins__q31.html#a4c899cdfaf2bb955323e93637bd662e0">pState</a> = pState;
|
||||
<a name="l00098"></a>00098 }
|
||||
<a name="l00099"></a>00099
|
||||
</pre></div></div>
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<h1>arm_biquad_cascade_df1_32x64_q31.c File Reference</h1> </div>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___biquad_cascade_d_f1__32x64.html#ga953a83e69685de6575cff37feb358a93">arm_biquad_cas_df1_32x64_q31</a> (const <a class="el" href="structarm__biquad__cas__df1__32x64__ins__q31.html">arm_biquad_cas_df1_32x64_ins_q31</a> *S, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrc, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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||||
<a href="arm__biquad__cascade__df1__32x64__q31_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* ---------------------------------------------------------------------- </span>
|
||||
<a name="l00002"></a>00002 <span class="comment">* Copyright (C) 2010 ARM Limited. All rights reserved. </span>
|
||||
<a name="l00003"></a>00003 <span class="comment">* </span>
|
||||
<a name="l00004"></a>00004 <span class="comment">* $Date: 15. July 2011 </span>
|
||||
<a name="l00005"></a>00005 <span class="comment">* $Revision: V1.0.10 </span>
|
||||
<a name="l00006"></a>00006 <span class="comment">* </span>
|
||||
<a name="l00007"></a>00007 <span class="comment">* Project: CMSIS DSP Library </span>
|
||||
<a name="l00008"></a>00008 <span class="comment">* Title: arm_biquad_cascade_df1_32x64_q31.c </span>
|
||||
<a name="l00009"></a>00009 <span class="comment">* </span>
|
||||
<a name="l00010"></a>00010 <span class="comment">* Description: High precision Q31 Biquad cascade filter processing function </span>
|
||||
<a name="l00011"></a>00011 <span class="comment">* </span>
|
||||
<a name="l00012"></a>00012 <span class="comment">* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0</span>
|
||||
<a name="l00013"></a>00013 <span class="comment">* </span>
|
||||
<a name="l00014"></a>00014 <span class="comment">* Version 1.0.10 2011/7/15 </span>
|
||||
<a name="l00015"></a>00015 <span class="comment">* Big Endian support added and Merged M0 and M3/M4 Source code. </span>
|
||||
<a name="l00016"></a>00016 <span class="comment">* </span>
|
||||
<a name="l00017"></a>00017 <span class="comment">* Version 1.0.3 2010/11/29 </span>
|
||||
<a name="l00018"></a>00018 <span class="comment">* Re-organized the CMSIS folders and updated documentation. </span>
|
||||
<a name="l00019"></a>00019 <span class="comment">* </span>
|
||||
<a name="l00020"></a>00020 <span class="comment">* Version 1.0.2 2010/11/11 </span>
|
||||
<a name="l00021"></a>00021 <span class="comment">* Documentation updated. </span>
|
||||
<a name="l00022"></a>00022 <span class="comment">* </span>
|
||||
<a name="l00023"></a>00023 <span class="comment">* Version 1.0.1 2010/10/05 </span>
|
||||
<a name="l00024"></a>00024 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00025"></a>00025 <span class="comment">* </span>
|
||||
<a name="l00026"></a>00026 <span class="comment">* Version 1.0.0 2010/09/20 </span>
|
||||
<a name="l00027"></a>00027 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00028"></a>00028 <span class="comment">* </span>
|
||||
<a name="l00029"></a>00029 <span class="comment">* Version 0.0.7 2010/06/10 </span>
|
||||
<a name="l00030"></a>00030 <span class="comment">* Misra-C changes done </span>
|
||||
<a name="l00031"></a>00031 <span class="comment">* -------------------------------------------------------------------- */</span>
|
||||
<a name="l00032"></a>00032
|
||||
<a name="l00033"></a>00033 <span class="preprocessor">#include "<a class="code" href="arm__math_8h.html">arm_math.h</a>"</span>
|
||||
<a name="l00034"></a>00034
|
||||
<a name="l00176"></a><a class="code" href="group___biquad_cascade_d_f1__32x64.html#ga953a83e69685de6575cff37feb358a93">00176</a> <span class="keywordtype">void</span> <a class="code" href="group___biquad_cascade_d_f1__32x64.html#ga953a83e69685de6575cff37feb358a93">arm_biquad_cas_df1_32x64_q31</a>(
|
||||
<a name="l00177"></a>00177 <span class="keyword">const</span> <a class="code" href="structarm__biquad__cas__df1__32x64__ins__q31.html" title="Instance structure for the high precision Q31 Biquad cascade filter.">arm_biquad_cas_df1_32x64_ins_q31</a> * S,
|
||||
<a name="l00178"></a>00178 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> * pSrc,
|
||||
<a name="l00179"></a>00179 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> * pDst,
|
||||
<a name="l00180"></a>00180 uint32_t <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)
|
||||
<a name="l00181"></a>00181 {
|
||||
<a name="l00182"></a>00182 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> *pIn = pSrc; <span class="comment">/* input pointer initialization */</span>
|
||||
<a name="l00183"></a>00183 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> *pOut = pDst; <span class="comment">/* output pointer initialization */</span>
|
||||
<a name="l00184"></a>00184 <a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a> *pState = S-><a class="code" href="structarm__biquad__cas__df1__32x64__ins__q31.html#a4c899cdfaf2bb955323e93637bd662e0">pState</a>; <span class="comment">/* state pointer initialization */</span>
|
||||
<a name="l00185"></a>00185 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> *pCoeffs = S-><a class="code" href="structarm__biquad__cas__df1__32x64__ins__q31.html#a490462d6ebe0fecfb6acbf51bed22ecf">pCoeffs</a>; <span class="comment">/* coeff pointer initialization */</span>
|
||||
<a name="l00186"></a>00186 <a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a> acc; <span class="comment">/* accumulator */</span>
|
||||
<a name="l00187"></a>00187 <a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a> Xn1, Xn2, Yn1, Yn2; <span class="comment">/* Filter state variables */</span>
|
||||
<a name="l00188"></a>00188 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> b0, b1, b2, a1, a2; <span class="comment">/* Filter coefficients */</span>
|
||||
<a name="l00189"></a>00189 <a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a> Xn; <span class="comment">/* temporary input */</span>
|
||||
<a name="l00190"></a>00190 int32_t shift = (int32_t) S-><a class="code" href="structarm__biquad__cas__df1__32x64__ins__q31.html#a8e9d58e8dba5aa3b2fc4f36d2ed07996">postShift</a> + 1; <span class="comment">/* Shift to be applied to the output */</span>
|
||||
<a name="l00191"></a>00191 uint32_t sample, stage = S-><a class="code" href="structarm__biquad__cas__df1__32x64__ins__q31.html#ad7cb9a9f5df8f4fcfc7a0b633672e574">numStages</a>; <span class="comment">/* loop counters */</span>
|
||||
<a name="l00192"></a>00192
|
||||
<a name="l00193"></a>00193
|
||||
<a name="l00194"></a>00194 #ifndef ARM_MATH_CM0
|
||||
<a name="l00195"></a>00195
|
||||
<a name="l00196"></a>00196 <span class="comment">/* Run the below code for Cortex-M4 and Cortex-M3 */</span>
|
||||
<a name="l00197"></a>00197
|
||||
<a name="l00198"></a>00198 <span class="keywordflow">do</span>
|
||||
<a name="l00199"></a>00199 {
|
||||
<a name="l00200"></a>00200 <span class="comment">/* Reading the coefficients */</span>
|
||||
<a name="l00201"></a>00201 b0 = *pCoeffs++;
|
||||
<a name="l00202"></a>00202 b1 = *pCoeffs++;
|
||||
<a name="l00203"></a>00203 b2 = *pCoeffs++;
|
||||
<a name="l00204"></a>00204 a1 = *pCoeffs++;
|
||||
<a name="l00205"></a>00205 a2 = *pCoeffs++;
|
||||
<a name="l00206"></a>00206
|
||||
<a name="l00207"></a>00207 <span class="comment">/* Reading the state values */</span>
|
||||
<a name="l00208"></a>00208 Xn1 = pState[0];
|
||||
<a name="l00209"></a>00209 Xn2 = pState[1];
|
||||
<a name="l00210"></a>00210 Yn1 = pState[2];
|
||||
<a name="l00211"></a>00211 Yn2 = pState[3];
|
||||
<a name="l00212"></a>00212
|
||||
<a name="l00213"></a>00213 <span class="comment">/* Apply loop unrolling and compute 4 output values simultaneously. */</span>
|
||||
<a name="l00214"></a>00214 <span class="comment">/* The variable acc hold output value that is being computed and </span>
|
||||
<a name="l00215"></a>00215 <span class="comment"> * stored in the destination buffer </span>
|
||||
<a name="l00216"></a>00216 <span class="comment"> * acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] </span>
|
||||
<a name="l00217"></a>00217 <span class="comment"> */</span>
|
||||
<a name="l00218"></a>00218
|
||||
<a name="l00219"></a>00219 sample = blockSize >> 2u;
|
||||
<a name="l00220"></a>00220
|
||||
<a name="l00221"></a>00221 <span class="comment">/* First part of the processing with loop unrolling. Compute 4 outputs at a time. </span>
|
||||
<a name="l00222"></a>00222 <span class="comment"> ** a second loop below computes the remaining 1 to 3 samples. */</span>
|
||||
<a name="l00223"></a>00223 <span class="keywordflow">while</span>(sample > 0u)
|
||||
<a name="l00224"></a>00224 {
|
||||
<a name="l00225"></a>00225 <span class="comment">/* Read the input */</span>
|
||||
<a name="l00226"></a>00226 Xn = *pIn++;
|
||||
<a name="l00227"></a>00227
|
||||
<a name="l00228"></a>00228 <span class="comment">/* The value is shifted to the MSB to perform 32x64 multiplication */</span>
|
||||
<a name="l00229"></a>00229 Xn = Xn << 32;
|
||||
<a name="l00230"></a>00230
|
||||
<a name="l00231"></a>00231 <span class="comment">/* acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00232"></a>00232
|
||||
<a name="l00233"></a>00233 <span class="comment">/* acc = b0 * x[n] */</span>
|
||||
<a name="l00234"></a>00234 acc = <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Xn, b0);
|
||||
<a name="l00235"></a>00235 <span class="comment">/* acc += b1 * x[n-1] */</span>
|
||||
<a name="l00236"></a>00236 acc += <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Xn1, b1);
|
||||
<a name="l00237"></a>00237 <span class="comment">/* acc += b[2] * x[n-2] */</span>
|
||||
<a name="l00238"></a>00238 acc += <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Xn2, b2);
|
||||
<a name="l00239"></a>00239 <span class="comment">/* acc += a1 * y[n-1] */</span>
|
||||
<a name="l00240"></a>00240 acc += <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Yn1, a1);
|
||||
<a name="l00241"></a>00241 <span class="comment">/* acc += a2 * y[n-2] */</span>
|
||||
<a name="l00242"></a>00242 acc += <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Yn2, a2);
|
||||
<a name="l00243"></a>00243
|
||||
<a name="l00244"></a>00244 <span class="comment">/* The result is converted to 1.63 , Yn2 variable is reused */</span>
|
||||
<a name="l00245"></a>00245 Yn2 = acc << shift;
|
||||
<a name="l00246"></a>00246
|
||||
<a name="l00247"></a>00247 <span class="comment">/* Store the output in the destination buffer in 1.31 format. */</span>
|
||||
<a name="l00248"></a>00248 *pOut++ = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) (acc >> (32 - shift));
|
||||
<a name="l00249"></a>00249
|
||||
<a name="l00250"></a>00250 <span class="comment">/* Read the second input into Xn2, to reuse the value */</span>
|
||||
<a name="l00251"></a>00251 Xn2 = *pIn++;
|
||||
<a name="l00252"></a>00252
|
||||
<a name="l00253"></a>00253 <span class="comment">/* The value is shifted to the MSB to perform 32x64 multiplication */</span>
|
||||
<a name="l00254"></a>00254 Xn2 = Xn2 << 32;
|
||||
<a name="l00255"></a>00255
|
||||
<a name="l00256"></a>00256 <span class="comment">/* acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00257"></a>00257
|
||||
<a name="l00258"></a>00258 <span class="comment">/* acc = b0 * x[n] */</span>
|
||||
<a name="l00259"></a>00259 acc = <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Xn2, b0);
|
||||
<a name="l00260"></a>00260 <span class="comment">/* acc += b1 * x[n-1] */</span>
|
||||
<a name="l00261"></a>00261 acc += <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Xn, b1);
|
||||
<a name="l00262"></a>00262 <span class="comment">/* acc += b[2] * x[n-2] */</span>
|
||||
<a name="l00263"></a>00263 acc += <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Xn1, b2);
|
||||
<a name="l00264"></a>00264 <span class="comment">/* acc += a1 * y[n-1] */</span>
|
||||
<a name="l00265"></a>00265 acc += <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Yn2, a1);
|
||||
<a name="l00266"></a>00266 <span class="comment">/* acc += a2 * y[n-2] */</span>
|
||||
<a name="l00267"></a>00267 acc += <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Yn1, a2);
|
||||
<a name="l00268"></a>00268
|
||||
<a name="l00269"></a>00269 <span class="comment">/* The result is converted to 1.63, Yn1 variable is reused */</span>
|
||||
<a name="l00270"></a>00270 Yn1 = acc << shift;
|
||||
<a name="l00271"></a>00271
|
||||
<a name="l00272"></a>00272 <span class="comment">/* The result is converted to 1.31 */</span>
|
||||
<a name="l00273"></a>00273 <span class="comment">/* Store the output in the destination buffer. */</span>
|
||||
<a name="l00274"></a>00274 *pOut++ = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) (acc >> (32 - shift));
|
||||
<a name="l00275"></a>00275
|
||||
<a name="l00276"></a>00276 <span class="comment">/* Read the third input into Xn1, to reuse the value */</span>
|
||||
<a name="l00277"></a>00277 Xn1 = *pIn++;
|
||||
<a name="l00278"></a>00278
|
||||
<a name="l00279"></a>00279 <span class="comment">/* The value is shifted to the MSB to perform 32x64 multiplication */</span>
|
||||
<a name="l00280"></a>00280 Xn1 = Xn1 << 32;
|
||||
<a name="l00281"></a>00281
|
||||
<a name="l00282"></a>00282 <span class="comment">/* acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00283"></a>00283 <span class="comment">/* acc = b0 * x[n] */</span>
|
||||
<a name="l00284"></a>00284 acc = <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Xn1, b0);
|
||||
<a name="l00285"></a>00285 <span class="comment">/* acc += b1 * x[n-1] */</span>
|
||||
<a name="l00286"></a>00286 acc += <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Xn2, b1);
|
||||
<a name="l00287"></a>00287 <span class="comment">/* acc += b[2] * x[n-2] */</span>
|
||||
<a name="l00288"></a>00288 acc += <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Xn, b2);
|
||||
<a name="l00289"></a>00289 <span class="comment">/* acc += a1 * y[n-1] */</span>
|
||||
<a name="l00290"></a>00290 acc += <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Yn1, a1);
|
||||
<a name="l00291"></a>00291 <span class="comment">/* acc += a2 * y[n-2] */</span>
|
||||
<a name="l00292"></a>00292 acc += <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Yn2, a2);
|
||||
<a name="l00293"></a>00293
|
||||
<a name="l00294"></a>00294 <span class="comment">/* The result is converted to 1.63, Yn2 variable is reused */</span>
|
||||
<a name="l00295"></a>00295 Yn2 = acc << shift;
|
||||
<a name="l00296"></a>00296
|
||||
<a name="l00297"></a>00297 <span class="comment">/* Store the output in the destination buffer in 1.31 format. */</span>
|
||||
<a name="l00298"></a>00298 *pOut++ = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) (acc >> (32 - shift));
|
||||
<a name="l00299"></a>00299
|
||||
<a name="l00300"></a>00300 <span class="comment">/* Read the fourth input into Xn, to reuse the value */</span>
|
||||
<a name="l00301"></a>00301 Xn = *pIn++;
|
||||
<a name="l00302"></a>00302
|
||||
<a name="l00303"></a>00303 <span class="comment">/* The value is shifted to the MSB to perform 32x64 multiplication */</span>
|
||||
<a name="l00304"></a>00304 Xn = Xn << 32;
|
||||
<a name="l00305"></a>00305
|
||||
<a name="l00306"></a>00306 <span class="comment">/* acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00307"></a>00307 <span class="comment">/* acc = b0 * x[n] */</span>
|
||||
<a name="l00308"></a>00308 acc = <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Xn, b0);
|
||||
<a name="l00309"></a>00309 <span class="comment">/* acc += b1 * x[n-1] */</span>
|
||||
<a name="l00310"></a>00310 acc += <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Xn1, b1);
|
||||
<a name="l00311"></a>00311 <span class="comment">/* acc += b[2] * x[n-2] */</span>
|
||||
<a name="l00312"></a>00312 acc += <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Xn2, b2);
|
||||
<a name="l00313"></a>00313 <span class="comment">/* acc += a1 * y[n-1] */</span>
|
||||
<a name="l00314"></a>00314 acc += <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Yn2, a1);
|
||||
<a name="l00315"></a>00315 <span class="comment">/* acc += a2 * y[n-2] */</span>
|
||||
<a name="l00316"></a>00316 acc += <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Yn1, a2);
|
||||
<a name="l00317"></a>00317
|
||||
<a name="l00318"></a>00318 <span class="comment">/* The result is converted to 1.63, Yn1 variable is reused */</span>
|
||||
<a name="l00319"></a>00319 Yn1 = acc << shift;
|
||||
<a name="l00320"></a>00320
|
||||
<a name="l00321"></a>00321 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00322"></a>00322 <span class="comment">/* The states should be updated as: */</span>
|
||||
<a name="l00323"></a>00323 <span class="comment">/* Xn2 = Xn1 */</span>
|
||||
<a name="l00324"></a>00324 <span class="comment">/* Xn1 = Xn */</span>
|
||||
<a name="l00325"></a>00325 <span class="comment">/* Yn2 = Yn1 */</span>
|
||||
<a name="l00326"></a>00326 <span class="comment">/* Yn1 = acc */</span>
|
||||
<a name="l00327"></a>00327 Xn2 = Xn1;
|
||||
<a name="l00328"></a>00328 Xn1 = Xn;
|
||||
<a name="l00329"></a>00329
|
||||
<a name="l00330"></a>00330 <span class="comment">/* Store the output in the destination buffer in 1.31 format. */</span>
|
||||
<a name="l00331"></a>00331 *pOut++ = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) (acc >> (32 - shift));
|
||||
<a name="l00332"></a>00332
|
||||
<a name="l00333"></a>00333 <span class="comment">/* decrement the loop counter */</span>
|
||||
<a name="l00334"></a>00334 sample--;
|
||||
<a name="l00335"></a>00335 }
|
||||
<a name="l00336"></a>00336
|
||||
<a name="l00337"></a>00337 <span class="comment">/* If the blockSize is not a multiple of 4, compute any remaining output samples here. </span>
|
||||
<a name="l00338"></a>00338 <span class="comment"> ** No loop unrolling is used. */</span>
|
||||
<a name="l00339"></a>00339 sample = (blockSize & 0x3u);
|
||||
<a name="l00340"></a>00340
|
||||
<a name="l00341"></a>00341 <span class="keywordflow">while</span>(sample > 0u)
|
||||
<a name="l00342"></a>00342 {
|
||||
<a name="l00343"></a>00343 <span class="comment">/* Read the input */</span>
|
||||
<a name="l00344"></a>00344 Xn = *pIn++;
|
||||
<a name="l00345"></a>00345
|
||||
<a name="l00346"></a>00346 <span class="comment">/* The value is shifted to the MSB to perform 32x64 multiplication */</span>
|
||||
<a name="l00347"></a>00347 Xn = Xn << 32;
|
||||
<a name="l00348"></a>00348
|
||||
<a name="l00349"></a>00349 <span class="comment">/* acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00350"></a>00350 <span class="comment">/* acc = b0 * x[n] */</span>
|
||||
<a name="l00351"></a>00351 acc = <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Xn, b0);
|
||||
<a name="l00352"></a>00352 <span class="comment">/* acc += b1 * x[n-1] */</span>
|
||||
<a name="l00353"></a>00353 acc += <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Xn1, b1);
|
||||
<a name="l00354"></a>00354 <span class="comment">/* acc += b[2] * x[n-2] */</span>
|
||||
<a name="l00355"></a>00355 acc += <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Xn2, b2);
|
||||
<a name="l00356"></a>00356 <span class="comment">/* acc += a1 * y[n-1] */</span>
|
||||
<a name="l00357"></a>00357 acc += <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Yn1, a1);
|
||||
<a name="l00358"></a>00358 <span class="comment">/* acc += a2 * y[n-2] */</span>
|
||||
<a name="l00359"></a>00359 acc += <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Yn2, a2);
|
||||
<a name="l00360"></a>00360
|
||||
<a name="l00361"></a>00361 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00362"></a>00362 <span class="comment">/* The states should be updated as: */</span>
|
||||
<a name="l00363"></a>00363 <span class="comment">/* Xn2 = Xn1 */</span>
|
||||
<a name="l00364"></a>00364 <span class="comment">/* Xn1 = Xn */</span>
|
||||
<a name="l00365"></a>00365 <span class="comment">/* Yn2 = Yn1 */</span>
|
||||
<a name="l00366"></a>00366 <span class="comment">/* Yn1 = acc */</span>
|
||||
<a name="l00367"></a>00367 Xn2 = Xn1;
|
||||
<a name="l00368"></a>00368 Xn1 = Xn;
|
||||
<a name="l00369"></a>00369 Yn2 = Yn1;
|
||||
<a name="l00370"></a>00370 Yn1 = acc << shift;
|
||||
<a name="l00371"></a>00371
|
||||
<a name="l00372"></a>00372 <span class="comment">/* Store the output in the destination buffer in 1.31 format. */</span>
|
||||
<a name="l00373"></a>00373 *pOut++ = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) (acc >> (32 - shift));
|
||||
<a name="l00374"></a>00374
|
||||
<a name="l00375"></a>00375 <span class="comment">/* decrement the loop counter */</span>
|
||||
<a name="l00376"></a>00376 sample--;
|
||||
<a name="l00377"></a>00377 }
|
||||
<a name="l00378"></a>00378
|
||||
<a name="l00379"></a>00379 <span class="comment">/* The first stage output is given as input to the second stage. */</span>
|
||||
<a name="l00380"></a>00380 pIn = pDst;
|
||||
<a name="l00381"></a>00381
|
||||
<a name="l00382"></a>00382 <span class="comment">/* Reset to destination buffer working pointer */</span>
|
||||
<a name="l00383"></a>00383 pOut = pDst;
|
||||
<a name="l00384"></a>00384
|
||||
<a name="l00385"></a>00385 <span class="comment">/* Store the updated state variables back into the pState array */</span>
|
||||
<a name="l00386"></a>00386 *pState++ = Xn1;
|
||||
<a name="l00387"></a>00387 *pState++ = Xn2;
|
||||
<a name="l00388"></a>00388 *pState++ = Yn1;
|
||||
<a name="l00389"></a>00389 *pState++ = Yn2;
|
||||
<a name="l00390"></a>00390
|
||||
<a name="l00391"></a>00391 } <span class="keywordflow">while</span>(--stage);
|
||||
<a name="l00392"></a>00392
|
||||
<a name="l00393"></a>00393 <span class="preprocessor">#else</span>
|
||||
<a name="l00394"></a>00394 <span class="preprocessor"></span>
|
||||
<a name="l00395"></a>00395 <span class="comment">/* Run the below code for Cortex-M0 */</span>
|
||||
<a name="l00396"></a>00396
|
||||
<a name="l00397"></a>00397 <span class="keywordflow">do</span>
|
||||
<a name="l00398"></a>00398 {
|
||||
<a name="l00399"></a>00399 <span class="comment">/* Reading the coefficients */</span>
|
||||
<a name="l00400"></a>00400 b0 = *pCoeffs++;
|
||||
<a name="l00401"></a>00401 b1 = *pCoeffs++;
|
||||
<a name="l00402"></a>00402 b2 = *pCoeffs++;
|
||||
<a name="l00403"></a>00403 a1 = *pCoeffs++;
|
||||
<a name="l00404"></a>00404 a2 = *pCoeffs++;
|
||||
<a name="l00405"></a>00405
|
||||
<a name="l00406"></a>00406 <span class="comment">/* Reading the state values */</span>
|
||||
<a name="l00407"></a>00407 Xn1 = pState[0];
|
||||
<a name="l00408"></a>00408 Xn2 = pState[1];
|
||||
<a name="l00409"></a>00409 Yn1 = pState[2];
|
||||
<a name="l00410"></a>00410 Yn2 = pState[3];
|
||||
<a name="l00411"></a>00411
|
||||
<a name="l00412"></a>00412 <span class="comment">/* The variable acc hold output value that is being computed and </span>
|
||||
<a name="l00413"></a>00413 <span class="comment"> * stored in the destination buffer </span>
|
||||
<a name="l00414"></a>00414 <span class="comment"> * acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] </span>
|
||||
<a name="l00415"></a>00415 <span class="comment"> */</span>
|
||||
<a name="l00416"></a>00416
|
||||
<a name="l00417"></a>00417 sample = <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>;
|
||||
<a name="l00418"></a>00418
|
||||
<a name="l00419"></a>00419 <span class="keywordflow">while</span>(sample > 0u)
|
||||
<a name="l00420"></a>00420 {
|
||||
<a name="l00421"></a>00421 <span class="comment">/* Read the input */</span>
|
||||
<a name="l00422"></a>00422 Xn = *pIn++;
|
||||
<a name="l00423"></a>00423
|
||||
<a name="l00424"></a>00424 <span class="comment">/* The value is shifted to the MSB to perform 32x64 multiplication */</span>
|
||||
<a name="l00425"></a>00425 Xn = Xn << 32;
|
||||
<a name="l00426"></a>00426
|
||||
<a name="l00427"></a>00427 <span class="comment">/* acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00428"></a>00428 <span class="comment">/* acc = b0 * x[n] */</span>
|
||||
<a name="l00429"></a>00429 acc = <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Xn, b0);
|
||||
<a name="l00430"></a>00430 <span class="comment">/* acc += b1 * x[n-1] */</span>
|
||||
<a name="l00431"></a>00431 acc += <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Xn1, b1);
|
||||
<a name="l00432"></a>00432 <span class="comment">/* acc += b[2] * x[n-2] */</span>
|
||||
<a name="l00433"></a>00433 acc += <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Xn2, b2);
|
||||
<a name="l00434"></a>00434 <span class="comment">/* acc += a1 * y[n-1] */</span>
|
||||
<a name="l00435"></a>00435 acc += <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Yn1, a1);
|
||||
<a name="l00436"></a>00436 <span class="comment">/* acc += a2 * y[n-2] */</span>
|
||||
<a name="l00437"></a>00437 acc += <a class="code" href="arm__math_8h.html#a642a29d71f7951a7f6c0b797c300b711" title="Multiplies 32 X 64 and returns 32 bit result in 2.30 format.">mult32x64</a>(Yn2, a2);
|
||||
<a name="l00438"></a>00438
|
||||
<a name="l00439"></a>00439 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00440"></a>00440 <span class="comment">/* The states should be updated as: */</span>
|
||||
<a name="l00441"></a>00441 <span class="comment">/* Xn2 = Xn1 */</span>
|
||||
<a name="l00442"></a>00442 <span class="comment">/* Xn1 = Xn */</span>
|
||||
<a name="l00443"></a>00443 <span class="comment">/* Yn2 = Yn1 */</span>
|
||||
<a name="l00444"></a>00444 <span class="comment">/* Yn1 = acc */</span>
|
||||
<a name="l00445"></a>00445 Xn2 = Xn1;
|
||||
<a name="l00446"></a>00446 Xn1 = Xn;
|
||||
<a name="l00447"></a>00447 Yn2 = Yn1;
|
||||
<a name="l00448"></a>00448 Yn1 = acc << shift;
|
||||
<a name="l00449"></a>00449
|
||||
<a name="l00450"></a>00450 <span class="comment">/* Store the output in the destination buffer in 1.31 format. */</span>
|
||||
<a name="l00451"></a>00451 *pOut++ = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) (acc >> (32 - shift));
|
||||
<a name="l00452"></a>00452
|
||||
<a name="l00453"></a>00453 <span class="comment">/* decrement the loop counter */</span>
|
||||
<a name="l00454"></a>00454 sample--;
|
||||
<a name="l00455"></a>00455 }
|
||||
<a name="l00456"></a>00456
|
||||
<a name="l00457"></a>00457 <span class="comment">/* The first stage output is given as input to the second stage. */</span>
|
||||
<a name="l00458"></a>00458 pIn = pDst;
|
||||
<a name="l00459"></a>00459
|
||||
<a name="l00460"></a>00460 <span class="comment">/* Reset to destination buffer working pointer */</span>
|
||||
<a name="l00461"></a>00461 pOut = pDst;
|
||||
<a name="l00462"></a>00462
|
||||
<a name="l00463"></a>00463 <span class="comment">/* Store the updated state variables back into the pState array */</span>
|
||||
<a name="l00464"></a>00464 *pState++ = Xn1;
|
||||
<a name="l00465"></a>00465 *pState++ = Xn2;
|
||||
<a name="l00466"></a>00466 *pState++ = Yn1;
|
||||
<a name="l00467"></a>00467 *pState++ = Yn2;
|
||||
<a name="l00468"></a>00468
|
||||
<a name="l00469"></a>00469 } <span class="keywordflow">while</span>(--stage);
|
||||
<a name="l00470"></a>00470
|
||||
<a name="l00471"></a>00471 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_CM0 */</span>
|
||||
<a name="l00472"></a>00472 }
|
||||
<a name="l00473"></a>00473
|
||||
</pre></div></div>
|
||||
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<h1>arm_biquad_cascade_df1_f32.c File Reference</h1> </div>
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<code>#include "<a class="el" href="arm__math_8h_source.html">arm_math.h</a>"</code><br/>
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Functions</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___biquad_cascade_d_f1.html#gaa0dbe330d763e3c1d8030b3ef12d5bdc">arm_biquad_cascade_df1_f32</a> (const <a class="el" href="structarm__biquad__casd__df1__inst__f32.html">arm_biquad_casd_df1_inst_f32</a> *S, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrc, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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|
||||
<div class="contents">
|
||||
<a href="arm__biquad__cascade__df1__f32_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* ---------------------------------------------------------------------- </span>
|
||||
<a name="l00002"></a>00002 <span class="comment">* Copyright (C) 2010 ARM Limited. All rights reserved. </span>
|
||||
<a name="l00003"></a>00003 <span class="comment">* </span>
|
||||
<a name="l00004"></a>00004 <span class="comment">* $Date: 15. July 2011 </span>
|
||||
<a name="l00005"></a>00005 <span class="comment">* $Revision: V1.0.10 </span>
|
||||
<a name="l00006"></a>00006 <span class="comment">* </span>
|
||||
<a name="l00007"></a>00007 <span class="comment">* Project: CMSIS DSP Library </span>
|
||||
<a name="l00008"></a>00008 <span class="comment">* Title: arm_biquad_cascade_df1_f32.c </span>
|
||||
<a name="l00009"></a>00009 <span class="comment">* </span>
|
||||
<a name="l00010"></a>00010 <span class="comment">* Description: Processing function for the </span>
|
||||
<a name="l00011"></a>00011 <span class="comment">* floating-point Biquad cascade DirectFormI(DF1) filter. </span>
|
||||
<a name="l00012"></a>00012 <span class="comment">* </span>
|
||||
<a name="l00013"></a>00013 <span class="comment">* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0</span>
|
||||
<a name="l00014"></a>00014 <span class="comment">* </span>
|
||||
<a name="l00015"></a>00015 <span class="comment">* Version 1.0.10 2011/7/15 </span>
|
||||
<a name="l00016"></a>00016 <span class="comment">* Big Endian support added and Merged M0 and M3/M4 Source code. </span>
|
||||
<a name="l00017"></a>00017 <span class="comment">* </span>
|
||||
<a name="l00018"></a>00018 <span class="comment">* Version 1.0.3 2010/11/29 </span>
|
||||
<a name="l00019"></a>00019 <span class="comment">* Re-organized the CMSIS folders and updated documentation. </span>
|
||||
<a name="l00020"></a>00020 <span class="comment">* </span>
|
||||
<a name="l00021"></a>00021 <span class="comment">* Version 1.0.2 2010/11/11 </span>
|
||||
<a name="l00022"></a>00022 <span class="comment">* Documentation updated. </span>
|
||||
<a name="l00023"></a>00023 <span class="comment">* </span>
|
||||
<a name="l00024"></a>00024 <span class="comment">* Version 1.0.1 2010/10/05 </span>
|
||||
<a name="l00025"></a>00025 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00026"></a>00026 <span class="comment">* </span>
|
||||
<a name="l00027"></a>00027 <span class="comment">* Version 1.0.0 2010/09/20 </span>
|
||||
<a name="l00028"></a>00028 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00029"></a>00029 <span class="comment">* </span>
|
||||
<a name="l00030"></a>00030 <span class="comment">* Version 0.0.5 2010/04/26 </span>
|
||||
<a name="l00031"></a>00031 <span class="comment">* incorporated review comments and updated with latest CMSIS layer </span>
|
||||
<a name="l00032"></a>00032 <span class="comment">* </span>
|
||||
<a name="l00033"></a>00033 <span class="comment">* Version 0.0.3 2010/03/10 </span>
|
||||
<a name="l00034"></a>00034 <span class="comment">* Initial version </span>
|
||||
<a name="l00035"></a>00035 <span class="comment">* -------------------------------------------------------------------- */</span>
|
||||
<a name="l00036"></a>00036
|
||||
<a name="l00037"></a>00037 <span class="preprocessor">#include "<a class="code" href="arm__math_8h.html">arm_math.h</a>"</span>
|
||||
<a name="l00038"></a>00038
|
||||
<a name="l00171"></a><a class="code" href="group___biquad_cascade_d_f1.html#gaa0dbe330d763e3c1d8030b3ef12d5bdc">00171</a> <span class="keywordtype">void</span> <a class="code" href="group___biquad_cascade_d_f1.html#gaa0dbe330d763e3c1d8030b3ef12d5bdc" title="Processing function for the floating-point Biquad cascade filter.">arm_biquad_cascade_df1_f32</a>(
|
||||
<a name="l00172"></a>00172 <span class="keyword">const</span> <a class="code" href="structarm__biquad__casd__df1__inst__f32.html" title="Instance structure for the floating-point Biquad cascade filter.">arm_biquad_casd_df1_inst_f32</a> * S,
|
||||
<a name="l00173"></a>00173 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> * pSrc,
|
||||
<a name="l00174"></a>00174 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> * pDst,
|
||||
<a name="l00175"></a>00175 uint32_t <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)
|
||||
<a name="l00176"></a>00176 {
|
||||
<a name="l00177"></a>00177 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> *pIn = pSrc; <span class="comment">/* source pointer */</span>
|
||||
<a name="l00178"></a>00178 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> *pOut = pDst; <span class="comment">/* destination pointer */</span>
|
||||
<a name="l00179"></a>00179 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> *pState = S-><a class="code" href="structarm__biquad__casd__df1__inst__f32.html#a8c245d79e0d8cfabc82409d4b54fb682">pState</a>; <span class="comment">/* pState pointer */</span>
|
||||
<a name="l00180"></a>00180 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> *pCoeffs = S-><a class="code" href="structarm__biquad__casd__df1__inst__f32.html#af9df3820576fb921809d1462c9c6d16c">pCoeffs</a>; <span class="comment">/* coefficient pointer */</span>
|
||||
<a name="l00181"></a>00181 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> acc; <span class="comment">/* Simulates the accumulator */</span>
|
||||
<a name="l00182"></a>00182 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> b0, b1, b2, a1, a2; <span class="comment">/* Filter coefficients */</span>
|
||||
<a name="l00183"></a>00183 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> Xn1, Xn2, Yn1, Yn2; <span class="comment">/* Filter pState variables */</span>
|
||||
<a name="l00184"></a>00184 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> Xn; <span class="comment">/* temporary input */</span>
|
||||
<a name="l00185"></a>00185 uint32_t sample, stage = S-><a class="code" href="structarm__biquad__casd__df1__inst__f32.html#af69820c37a87252c46453e4cfe120585">numStages</a>; <span class="comment">/* loop counters */</span>
|
||||
<a name="l00186"></a>00186
|
||||
<a name="l00187"></a>00187
|
||||
<a name="l00188"></a>00188 <span class="preprocessor">#ifndef ARM_MATH_CM0</span>
|
||||
<a name="l00189"></a>00189 <span class="preprocessor"></span>
|
||||
<a name="l00190"></a>00190 <span class="comment">/* Run the below code for Cortex-M4 and Cortex-M3 */</span>
|
||||
<a name="l00191"></a>00191
|
||||
<a name="l00192"></a>00192 <span class="keywordflow">do</span>
|
||||
<a name="l00193"></a>00193 {
|
||||
<a name="l00194"></a>00194 <span class="comment">/* Reading the coefficients */</span>
|
||||
<a name="l00195"></a>00195 b0 = *pCoeffs++;
|
||||
<a name="l00196"></a>00196 b1 = *pCoeffs++;
|
||||
<a name="l00197"></a>00197 b2 = *pCoeffs++;
|
||||
<a name="l00198"></a>00198 a1 = *pCoeffs++;
|
||||
<a name="l00199"></a>00199 a2 = *pCoeffs++;
|
||||
<a name="l00200"></a>00200
|
||||
<a name="l00201"></a>00201 <span class="comment">/* Reading the pState values */</span>
|
||||
<a name="l00202"></a>00202 Xn1 = pState[0];
|
||||
<a name="l00203"></a>00203 Xn2 = pState[1];
|
||||
<a name="l00204"></a>00204 Yn1 = pState[2];
|
||||
<a name="l00205"></a>00205 Yn2 = pState[3];
|
||||
<a name="l00206"></a>00206
|
||||
<a name="l00207"></a>00207 <span class="comment">/* Apply loop unrolling and compute 4 output values simultaneously. */</span>
|
||||
<a name="l00208"></a>00208 <span class="comment">/* The variable acc hold output values that are being computed: </span>
|
||||
<a name="l00209"></a>00209 <span class="comment"> * </span>
|
||||
<a name="l00210"></a>00210 <span class="comment"> * acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] </span>
|
||||
<a name="l00211"></a>00211 <span class="comment"> * acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] </span>
|
||||
<a name="l00212"></a>00212 <span class="comment"> * acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] </span>
|
||||
<a name="l00213"></a>00213 <span class="comment"> * acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] </span>
|
||||
<a name="l00214"></a>00214 <span class="comment"> */</span>
|
||||
<a name="l00215"></a>00215
|
||||
<a name="l00216"></a>00216 sample = blockSize >> 2u;
|
||||
<a name="l00217"></a>00217
|
||||
<a name="l00218"></a>00218 <span class="comment">/* First part of the processing with loop unrolling. Compute 4 outputs at a time. </span>
|
||||
<a name="l00219"></a>00219 <span class="comment"> ** a second loop below computes the remaining 1 to 3 samples. */</span>
|
||||
<a name="l00220"></a>00220 <span class="keywordflow">while</span>(sample > 0u)
|
||||
<a name="l00221"></a>00221 {
|
||||
<a name="l00222"></a>00222 <span class="comment">/* Read the first input */</span>
|
||||
<a name="l00223"></a>00223 Xn = *pIn++;
|
||||
<a name="l00224"></a>00224
|
||||
<a name="l00225"></a>00225 <span class="comment">/* acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00226"></a>00226 Yn2 = (b0 * Xn) + (b1 * Xn1) + (b2 * Xn2) + (a1 * Yn1) + (a2 * Yn2);
|
||||
<a name="l00227"></a>00227
|
||||
<a name="l00228"></a>00228 <span class="comment">/* Store the result in the accumulator in the destination buffer. */</span>
|
||||
<a name="l00229"></a>00229 *pOut++ = Yn2;
|
||||
<a name="l00230"></a>00230
|
||||
<a name="l00231"></a>00231 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00232"></a>00232 <span class="comment">/* The states should be updated as: */</span>
|
||||
<a name="l00233"></a>00233 <span class="comment">/* Xn2 = Xn1 */</span>
|
||||
<a name="l00234"></a>00234 <span class="comment">/* Xn1 = Xn */</span>
|
||||
<a name="l00235"></a>00235 <span class="comment">/* Yn2 = Yn1 */</span>
|
||||
<a name="l00236"></a>00236 <span class="comment">/* Yn1 = acc */</span>
|
||||
<a name="l00237"></a>00237
|
||||
<a name="l00238"></a>00238 <span class="comment">/* Read the second input */</span>
|
||||
<a name="l00239"></a>00239 Xn2 = *pIn++;
|
||||
<a name="l00240"></a>00240
|
||||
<a name="l00241"></a>00241 <span class="comment">/* acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00242"></a>00242 Yn1 = (b0 * Xn2) + (b1 * Xn) + (b2 * Xn1) + (a1 * Yn2) + (a2 * Yn1);
|
||||
<a name="l00243"></a>00243
|
||||
<a name="l00244"></a>00244 <span class="comment">/* Store the result in the accumulator in the destination buffer. */</span>
|
||||
<a name="l00245"></a>00245 *pOut++ = Yn1;
|
||||
<a name="l00246"></a>00246
|
||||
<a name="l00247"></a>00247 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00248"></a>00248 <span class="comment">/* The states should be updated as: */</span>
|
||||
<a name="l00249"></a>00249 <span class="comment">/* Xn2 = Xn1 */</span>
|
||||
<a name="l00250"></a>00250 <span class="comment">/* Xn1 = Xn */</span>
|
||||
<a name="l00251"></a>00251 <span class="comment">/* Yn2 = Yn1 */</span>
|
||||
<a name="l00252"></a>00252 <span class="comment">/* Yn1 = acc */</span>
|
||||
<a name="l00253"></a>00253
|
||||
<a name="l00254"></a>00254 <span class="comment">/* Read the third input */</span>
|
||||
<a name="l00255"></a>00255 Xn1 = *pIn++;
|
||||
<a name="l00256"></a>00256
|
||||
<a name="l00257"></a>00257 <span class="comment">/* acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00258"></a>00258 Yn2 = (b0 * Xn1) + (b1 * Xn2) + (b2 * Xn) + (a1 * Yn1) + (a2 * Yn2);
|
||||
<a name="l00259"></a>00259
|
||||
<a name="l00260"></a>00260 <span class="comment">/* Store the result in the accumulator in the destination buffer. */</span>
|
||||
<a name="l00261"></a>00261 *pOut++ = Yn2;
|
||||
<a name="l00262"></a>00262
|
||||
<a name="l00263"></a>00263 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00264"></a>00264 <span class="comment">/* The states should be updated as: */</span>
|
||||
<a name="l00265"></a>00265 <span class="comment">/* Xn2 = Xn1 */</span>
|
||||
<a name="l00266"></a>00266 <span class="comment">/* Xn1 = Xn */</span>
|
||||
<a name="l00267"></a>00267 <span class="comment">/* Yn2 = Yn1 */</span>
|
||||
<a name="l00268"></a>00268 <span class="comment">/* Yn1 = acc */</span>
|
||||
<a name="l00269"></a>00269
|
||||
<a name="l00270"></a>00270 <span class="comment">/* Read the forth input */</span>
|
||||
<a name="l00271"></a>00271 Xn = *pIn++;
|
||||
<a name="l00272"></a>00272
|
||||
<a name="l00273"></a>00273 <span class="comment">/* acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00274"></a>00274 Yn1 = (b0 * Xn) + (b1 * Xn1) + (b2 * Xn2) + (a1 * Yn2) + (a2 * Yn1);
|
||||
<a name="l00275"></a>00275
|
||||
<a name="l00276"></a>00276 <span class="comment">/* Store the result in the accumulator in the destination buffer. */</span>
|
||||
<a name="l00277"></a>00277 *pOut++ = Yn1;
|
||||
<a name="l00278"></a>00278
|
||||
<a name="l00279"></a>00279 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00280"></a>00280 <span class="comment">/* The states should be updated as: */</span>
|
||||
<a name="l00281"></a>00281 <span class="comment">/* Xn2 = Xn1 */</span>
|
||||
<a name="l00282"></a>00282 <span class="comment">/* Xn1 = Xn */</span>
|
||||
<a name="l00283"></a>00283 <span class="comment">/* Yn2 = Yn1 */</span>
|
||||
<a name="l00284"></a>00284 <span class="comment">/* Yn1 = acc */</span>
|
||||
<a name="l00285"></a>00285 Xn2 = Xn1;
|
||||
<a name="l00286"></a>00286 Xn1 = Xn;
|
||||
<a name="l00287"></a>00287
|
||||
<a name="l00288"></a>00288 <span class="comment">/* decrement the loop counter */</span>
|
||||
<a name="l00289"></a>00289 sample--;
|
||||
<a name="l00290"></a>00290
|
||||
<a name="l00291"></a>00291 }
|
||||
<a name="l00292"></a>00292
|
||||
<a name="l00293"></a>00293 <span class="comment">/* If the blockSize is not a multiple of 4, compute any remaining output samples here. </span>
|
||||
<a name="l00294"></a>00294 <span class="comment"> ** No loop unrolling is used. */</span>
|
||||
<a name="l00295"></a>00295 sample = blockSize & 0x3u;
|
||||
<a name="l00296"></a>00296
|
||||
<a name="l00297"></a>00297 <span class="keywordflow">while</span>(sample > 0u)
|
||||
<a name="l00298"></a>00298 {
|
||||
<a name="l00299"></a>00299 <span class="comment">/* Read the input */</span>
|
||||
<a name="l00300"></a>00300 Xn = *pIn++;
|
||||
<a name="l00301"></a>00301
|
||||
<a name="l00302"></a>00302 <span class="comment">/* acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00303"></a>00303 acc = (b0 * Xn) + (b1 * Xn1) + (b2 * Xn2) + (a1 * Yn1) + (a2 * Yn2);
|
||||
<a name="l00304"></a>00304
|
||||
<a name="l00305"></a>00305 <span class="comment">/* Store the result in the accumulator in the destination buffer. */</span>
|
||||
<a name="l00306"></a>00306 *pOut++ = acc;
|
||||
<a name="l00307"></a>00307
|
||||
<a name="l00308"></a>00308 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00309"></a>00309 <span class="comment">/* The states should be updated as: */</span>
|
||||
<a name="l00310"></a>00310 <span class="comment">/* Xn2 = Xn1 */</span>
|
||||
<a name="l00311"></a>00311 <span class="comment">/* Xn1 = Xn */</span>
|
||||
<a name="l00312"></a>00312 <span class="comment">/* Yn2 = Yn1 */</span>
|
||||
<a name="l00313"></a>00313 <span class="comment">/* Yn1 = acc */</span>
|
||||
<a name="l00314"></a>00314 Xn2 = Xn1;
|
||||
<a name="l00315"></a>00315 Xn1 = Xn;
|
||||
<a name="l00316"></a>00316 Yn2 = Yn1;
|
||||
<a name="l00317"></a>00317 Yn1 = acc;
|
||||
<a name="l00318"></a>00318
|
||||
<a name="l00319"></a>00319 <span class="comment">/* decrement the loop counter */</span>
|
||||
<a name="l00320"></a>00320 sample--;
|
||||
<a name="l00321"></a>00321
|
||||
<a name="l00322"></a>00322 }
|
||||
<a name="l00323"></a>00323
|
||||
<a name="l00324"></a>00324 <span class="comment">/* Store the updated state variables back into the pState array */</span>
|
||||
<a name="l00325"></a>00325 *pState++ = Xn1;
|
||||
<a name="l00326"></a>00326 *pState++ = Xn2;
|
||||
<a name="l00327"></a>00327 *pState++ = Yn1;
|
||||
<a name="l00328"></a>00328 *pState++ = Yn2;
|
||||
<a name="l00329"></a>00329
|
||||
<a name="l00330"></a>00330 <span class="comment">/* The first stage goes from the input buffer to the output buffer. */</span>
|
||||
<a name="l00331"></a>00331 <span class="comment">/* Subsequent numStages occur in-place in the output buffer */</span>
|
||||
<a name="l00332"></a>00332 pIn = pDst;
|
||||
<a name="l00333"></a>00333
|
||||
<a name="l00334"></a>00334 <span class="comment">/* Reset the output pointer */</span>
|
||||
<a name="l00335"></a>00335 pOut = pDst;
|
||||
<a name="l00336"></a>00336
|
||||
<a name="l00337"></a>00337 <span class="comment">/* decrement the loop counter */</span>
|
||||
<a name="l00338"></a>00338 stage--;
|
||||
<a name="l00339"></a>00339
|
||||
<a name="l00340"></a>00340 } <span class="keywordflow">while</span>(stage > 0u);
|
||||
<a name="l00341"></a>00341
|
||||
<a name="l00342"></a>00342 <span class="preprocessor">#else</span>
|
||||
<a name="l00343"></a>00343 <span class="preprocessor"></span>
|
||||
<a name="l00344"></a>00344 <span class="comment">/* Run the below code for Cortex-M0 */</span>
|
||||
<a name="l00345"></a>00345
|
||||
<a name="l00346"></a>00346 <span class="keywordflow">do</span>
|
||||
<a name="l00347"></a>00347 {
|
||||
<a name="l00348"></a>00348 <span class="comment">/* Reading the coefficients */</span>
|
||||
<a name="l00349"></a>00349 b0 = *pCoeffs++;
|
||||
<a name="l00350"></a>00350 b1 = *pCoeffs++;
|
||||
<a name="l00351"></a>00351 b2 = *pCoeffs++;
|
||||
<a name="l00352"></a>00352 a1 = *pCoeffs++;
|
||||
<a name="l00353"></a>00353 a2 = *pCoeffs++;
|
||||
<a name="l00354"></a>00354
|
||||
<a name="l00355"></a>00355 <span class="comment">/* Reading the pState values */</span>
|
||||
<a name="l00356"></a>00356 Xn1 = pState[0];
|
||||
<a name="l00357"></a>00357 Xn2 = pState[1];
|
||||
<a name="l00358"></a>00358 Yn1 = pState[2];
|
||||
<a name="l00359"></a>00359 Yn2 = pState[3];
|
||||
<a name="l00360"></a>00360
|
||||
<a name="l00361"></a>00361 <span class="comment">/* The variables acc holds the output value that is computed: </span>
|
||||
<a name="l00362"></a>00362 <span class="comment"> * acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] </span>
|
||||
<a name="l00363"></a>00363 <span class="comment"> */</span>
|
||||
<a name="l00364"></a>00364
|
||||
<a name="l00365"></a>00365 sample = <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>;
|
||||
<a name="l00366"></a>00366
|
||||
<a name="l00367"></a>00367 <span class="keywordflow">while</span>(sample > 0u)
|
||||
<a name="l00368"></a>00368 {
|
||||
<a name="l00369"></a>00369 <span class="comment">/* Read the input */</span>
|
||||
<a name="l00370"></a>00370 Xn = *pIn++;
|
||||
<a name="l00371"></a>00371
|
||||
<a name="l00372"></a>00372 <span class="comment">/* acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00373"></a>00373 acc = (b0 * Xn) + (b1 * Xn1) + (b2 * Xn2) + (a1 * Yn1) + (a2 * Yn2);
|
||||
<a name="l00374"></a>00374
|
||||
<a name="l00375"></a>00375 <span class="comment">/* Store the result in the accumulator in the destination buffer. */</span>
|
||||
<a name="l00376"></a>00376 *pOut++ = acc;
|
||||
<a name="l00377"></a>00377
|
||||
<a name="l00378"></a>00378 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00379"></a>00379 <span class="comment">/* The states should be updated as: */</span>
|
||||
<a name="l00380"></a>00380 <span class="comment">/* Xn2 = Xn1 */</span>
|
||||
<a name="l00381"></a>00381 <span class="comment">/* Xn1 = Xn */</span>
|
||||
<a name="l00382"></a>00382 <span class="comment">/* Yn2 = Yn1 */</span>
|
||||
<a name="l00383"></a>00383 <span class="comment">/* Yn1 = acc */</span>
|
||||
<a name="l00384"></a>00384 Xn2 = Xn1;
|
||||
<a name="l00385"></a>00385 Xn1 = Xn;
|
||||
<a name="l00386"></a>00386 Yn2 = Yn1;
|
||||
<a name="l00387"></a>00387 Yn1 = acc;
|
||||
<a name="l00388"></a>00388
|
||||
<a name="l00389"></a>00389 <span class="comment">/* decrement the loop counter */</span>
|
||||
<a name="l00390"></a>00390 sample--;
|
||||
<a name="l00391"></a>00391 }
|
||||
<a name="l00392"></a>00392
|
||||
<a name="l00393"></a>00393 <span class="comment">/* Store the updated state variables back into the pState array */</span>
|
||||
<a name="l00394"></a>00394 *pState++ = Xn1;
|
||||
<a name="l00395"></a>00395 *pState++ = Xn2;
|
||||
<a name="l00396"></a>00396 *pState++ = Yn1;
|
||||
<a name="l00397"></a>00397 *pState++ = Yn2;
|
||||
<a name="l00398"></a>00398
|
||||
<a name="l00399"></a>00399 <span class="comment">/* The first stage goes from the input buffer to the output buffer. */</span>
|
||||
<a name="l00400"></a>00400 <span class="comment">/* Subsequent numStages occur in-place in the output buffer */</span>
|
||||
<a name="l00401"></a>00401 pIn = pDst;
|
||||
<a name="l00402"></a>00402
|
||||
<a name="l00403"></a>00403 <span class="comment">/* Reset the output pointer */</span>
|
||||
<a name="l00404"></a>00404 pOut = pDst;
|
||||
<a name="l00405"></a>00405
|
||||
<a name="l00406"></a>00406 <span class="comment">/* decrement the loop counter */</span>
|
||||
<a name="l00407"></a>00407 stage--;
|
||||
<a name="l00408"></a>00408
|
||||
<a name="l00409"></a>00409 } <span class="keywordflow">while</span>(stage > 0u);
|
||||
<a name="l00410"></a>00410
|
||||
<a name="l00411"></a>00411 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_CM0 */</span>
|
||||
<a name="l00412"></a>00412
|
||||
<a name="l00413"></a>00413 }
|
||||
<a name="l00414"></a>00414
|
||||
<a name="l00415"></a>00415
|
||||
</pre></div></div>
|
||||
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<h1>arm_biquad_cascade_df1_fast_q15.c File Reference</h1> </div>
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<code>#include "<a class="el" href="arm__math_8h_source.html">arm_math.h</a>"</code><br/>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___biquad_cascade_d_f1.html#gaffb9792c0220882efd4c58f3c6a05fd7">arm_biquad_cascade_df1_fast_q15</a> (const <a class="el" href="structarm__biquad__casd__df1__inst__q15.html">arm_biquad_casd_df1_inst_q15</a> *S, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pSrc, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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<a href="arm__biquad__cascade__df1__fast__q15_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* ---------------------------------------------------------------------- </span>
|
||||
<a name="l00002"></a>00002 <span class="comment">* Copyright (C) 2010 ARM Limited. All rights reserved. </span>
|
||||
<a name="l00003"></a>00003 <span class="comment">* </span>
|
||||
<a name="l00004"></a>00004 <span class="comment">* $Date: 15. July 2011 </span>
|
||||
<a name="l00005"></a>00005 <span class="comment">* $Revision: V1.0.10 </span>
|
||||
<a name="l00006"></a>00006 <span class="comment">* </span>
|
||||
<a name="l00007"></a>00007 <span class="comment">* Project: CMSIS DSP Library </span>
|
||||
<a name="l00008"></a>00008 <span class="comment">* Title: arm_biquad_cascade_df1_fast_q15.c </span>
|
||||
<a name="l00009"></a>00009 <span class="comment">* </span>
|
||||
<a name="l00010"></a>00010 <span class="comment">* Description: Fast processing function for the </span>
|
||||
<a name="l00011"></a>00011 <span class="comment">* Q15 Biquad cascade filter. </span>
|
||||
<a name="l00012"></a>00012 <span class="comment">* </span>
|
||||
<a name="l00013"></a>00013 <span class="comment">* Target Processor: Cortex-M4/Cortex-M3</span>
|
||||
<a name="l00014"></a>00014 <span class="comment">* </span>
|
||||
<a name="l00015"></a>00015 <span class="comment">* Version 1.0.10 2011/7/15 </span>
|
||||
<a name="l00016"></a>00016 <span class="comment">* Big Endian support added and Merged M0 and M3/M4 Source code. </span>
|
||||
<a name="l00017"></a>00017 <span class="comment">* </span>
|
||||
<a name="l00018"></a>00018 <span class="comment">* Version 1.0.3 2010/11/29 </span>
|
||||
<a name="l00019"></a>00019 <span class="comment">* Re-organized the CMSIS folders and updated documentation. </span>
|
||||
<a name="l00020"></a>00020 <span class="comment">* </span>
|
||||
<a name="l00021"></a>00021 <span class="comment">* Version 1.0.2 2010/11/11 </span>
|
||||
<a name="l00022"></a>00022 <span class="comment">* Documentation updated. </span>
|
||||
<a name="l00023"></a>00023 <span class="comment">* </span>
|
||||
<a name="l00024"></a>00024 <span class="comment">* Version 1.0.1 2010/10/05 </span>
|
||||
<a name="l00025"></a>00025 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00026"></a>00026 <span class="comment">* </span>
|
||||
<a name="l00027"></a>00027 <span class="comment">* Version 1.0.0 2010/09/20 </span>
|
||||
<a name="l00028"></a>00028 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00029"></a>00029 <span class="comment">* </span>
|
||||
<a name="l00030"></a>00030 <span class="comment">* Version 0.0.9 2010/08/16 </span>
|
||||
<a name="l00031"></a>00031 <span class="comment">* Initial version </span>
|
||||
<a name="l00032"></a>00032 <span class="comment">* </span>
|
||||
<a name="l00033"></a>00033 <span class="comment">* </span>
|
||||
<a name="l00034"></a>00034 <span class="comment">* -------------------------------------------------------------------- */</span>
|
||||
<a name="l00035"></a>00035
|
||||
<a name="l00036"></a>00036 <span class="preprocessor">#include "<a class="code" href="arm__math_8h.html">arm_math.h</a>"</span>
|
||||
<a name="l00037"></a>00037
|
||||
<a name="l00069"></a><a class="code" href="group___biquad_cascade_d_f1.html#gaffb9792c0220882efd4c58f3c6a05fd7">00069</a> <span class="keywordtype">void</span> <a class="code" href="group___biquad_cascade_d_f1.html#gaffb9792c0220882efd4c58f3c6a05fd7" title="Fast but less precise processing function for the Q15 Biquad cascade filter for Cortex-M3 and Cortex-...">arm_biquad_cascade_df1_fast_q15</a>(
|
||||
<a name="l00070"></a>00070 <span class="keyword">const</span> <a class="code" href="structarm__biquad__casd__df1__inst__q15.html" title="Instance structure for the Q15 Biquad cascade filter.">arm_biquad_casd_df1_inst_q15</a> * S,
|
||||
<a name="l00071"></a>00071 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> * pSrc,
|
||||
<a name="l00072"></a>00072 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> * pDst,
|
||||
<a name="l00073"></a>00073 uint32_t <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)
|
||||
<a name="l00074"></a>00074 {
|
||||
<a name="l00075"></a>00075 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> *pIn = pSrc; <span class="comment">/* Source pointer */</span>
|
||||
<a name="l00076"></a>00076 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> *pOut = pDst; <span class="comment">/* Destination pointer */</span>
|
||||
<a name="l00077"></a>00077 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> in; <span class="comment">/* Temporary variable to hold input value */</span>
|
||||
<a name="l00078"></a>00078 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> out; <span class="comment">/* Temporary variable to hold output value */</span>
|
||||
<a name="l00079"></a>00079 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> b0; <span class="comment">/* Temporary variable to hold bo value */</span>
|
||||
<a name="l00080"></a>00080 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> b1, a1; <span class="comment">/* Filter coefficients */</span>
|
||||
<a name="l00081"></a>00081 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> state_in, state_out; <span class="comment">/* Filter state variables */</span>
|
||||
<a name="l00082"></a>00082 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> acc0; <span class="comment">/* Accumulator */</span>
|
||||
<a name="l00083"></a>00083 int32_t shift = (int32_t) (15 - S-><a class="code" href="structarm__biquad__casd__df1__inst__q15.html#ada7e9d6269e6ed4eacf8f68729e9832d">postShift</a>); <span class="comment">/* Post shift */</span>
|
||||
<a name="l00084"></a>00084 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> *pState = S-><a class="code" href="structarm__biquad__casd__df1__inst__q15.html#a5481104ef2f8f81360b80b47d69ae932">pState</a>; <span class="comment">/* State pointer */</span>
|
||||
<a name="l00085"></a>00085 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> *pCoeffs = S-><a class="code" href="structarm__biquad__casd__df1__inst__q15.html#a1edaacdebb5b09d7635bf20c779855fc">pCoeffs</a>; <span class="comment">/* Coefficient pointer */</span>
|
||||
<a name="l00086"></a>00086 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> *pState_q31; <span class="comment">/* 32-bit state pointer for SIMD implementation */</span>
|
||||
<a name="l00087"></a>00087 uint32_t sample, stage = S-><a class="code" href="structarm__biquad__casd__df1__inst__q15.html#ad6d95e70abcf4ff1300181415ad92153">numStages</a>; <span class="comment">/* Stage loop counter */</span>
|
||||
<a name="l00088"></a>00088
|
||||
<a name="l00089"></a>00089
|
||||
<a name="l00090"></a>00090
|
||||
<a name="l00091"></a>00091 <span class="keywordflow">do</span>
|
||||
<a name="l00092"></a>00092 {
|
||||
<a name="l00093"></a>00093 <span class="comment">/* Initialize state pointer of type q31 */</span>
|
||||
<a name="l00094"></a>00094 pState_q31 = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> *) (pState);
|
||||
<a name="l00095"></a>00095
|
||||
<a name="l00096"></a>00096 <span class="comment">/* Read the b0 and 0 coefficients using SIMD */</span>
|
||||
<a name="l00097"></a>00097 b0 = *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pCoeffs)++;
|
||||
<a name="l00098"></a>00098
|
||||
<a name="l00099"></a>00099 <span class="comment">/* Read the b1 and b2 coefficients using SIMD */</span>
|
||||
<a name="l00100"></a>00100 b1 = *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pCoeffs)++;
|
||||
<a name="l00101"></a>00101
|
||||
<a name="l00102"></a>00102 <span class="comment">/* Read the a1 and a2 coefficients using SIMD */</span>
|
||||
<a name="l00103"></a>00103 a1 = *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pCoeffs)++;
|
||||
<a name="l00104"></a>00104
|
||||
<a name="l00105"></a>00105 <span class="comment">/* Read the input state values from the state buffer: x[n-1], x[n-2] */</span>
|
||||
<a name="l00106"></a>00106 state_in = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) (*pState_q31++);
|
||||
<a name="l00107"></a>00107
|
||||
<a name="l00108"></a>00108 <span class="comment">/* Read the output state values from the state buffer: y[n-1], y[n-2] */</span>
|
||||
<a name="l00109"></a>00109 state_out = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) (*pState_q31);
|
||||
<a name="l00110"></a>00110
|
||||
<a name="l00111"></a>00111 <span class="comment">/* Apply loop unrolling and compute 2 output values simultaneously. */</span>
|
||||
<a name="l00112"></a>00112 <span class="comment">/* The variables acc0 ... acc3 hold output values that are being computed: </span>
|
||||
<a name="l00113"></a>00113 <span class="comment"> * </span>
|
||||
<a name="l00114"></a>00114 <span class="comment"> * acc0 = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] </span>
|
||||
<a name="l00115"></a>00115 <span class="comment"> * acc0 = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] </span>
|
||||
<a name="l00116"></a>00116 <span class="comment"> */</span>
|
||||
<a name="l00117"></a>00117 sample = blockSize >> 1u;
|
||||
<a name="l00118"></a>00118
|
||||
<a name="l00119"></a>00119 <span class="comment">/* First part of the processing with loop unrolling. Compute 2 outputs at a time. </span>
|
||||
<a name="l00120"></a>00120 <span class="comment"> ** a second loop below computes the remaining 1 sample. */</span>
|
||||
<a name="l00121"></a>00121 <span class="keywordflow">while</span>(sample > 0u)
|
||||
<a name="l00122"></a>00122 {
|
||||
<a name="l00123"></a>00123
|
||||
<a name="l00124"></a>00124 <span class="comment">/* Read the input */</span>
|
||||
<a name="l00125"></a>00125 in = *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pIn)++;
|
||||
<a name="l00126"></a>00126
|
||||
<a name="l00127"></a>00127 <span class="comment">/* out = b0 * x[n] + 0 * 0 */</span>
|
||||
<a name="l00128"></a>00128 out = __SMUAD(b0, in);
|
||||
<a name="l00129"></a>00129 <span class="comment">/* acc0 = b1 * x[n-1] + acc0 += b2 * x[n-2] + out */</span>
|
||||
<a name="l00130"></a>00130 acc0 = __SMLAD(b1, state_in, out);
|
||||
<a name="l00131"></a>00131 <span class="comment">/* acc0 += a1 * y[n-1] + acc0 += a2 * y[n-2] */</span>
|
||||
<a name="l00132"></a>00132 acc0 = __SMLAD(a1, state_out, acc0);
|
||||
<a name="l00133"></a>00133
|
||||
<a name="l00134"></a>00134 <span class="comment">/* The result is converted from 3.29 to 1.31 and then saturation is applied */</span>
|
||||
<a name="l00135"></a>00135 out = __SSAT((acc0 >> shift), 16);
|
||||
<a name="l00136"></a>00136
|
||||
<a name="l00137"></a>00137 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00138"></a>00138 <span class="comment">/* The states should be updated as: */</span>
|
||||
<a name="l00139"></a>00139 <span class="comment">/* Xn2 = Xn1 */</span>
|
||||
<a name="l00140"></a>00140 <span class="comment">/* Xn1 = Xn */</span>
|
||||
<a name="l00141"></a>00141 <span class="comment">/* Yn2 = Yn1 */</span>
|
||||
<a name="l00142"></a>00142 <span class="comment">/* Yn1 = acc0 */</span>
|
||||
<a name="l00143"></a>00143 <span class="comment">/* x[n-N], x[n-N-1] are packed together to make state_in of type q31 */</span>
|
||||
<a name="l00144"></a>00144 <span class="comment">/* y[n-N], y[n-N-1] are packed together to make state_out of type q31 */</span>
|
||||
<a name="l00145"></a>00145
|
||||
<a name="l00146"></a>00146 <span class="preprocessor">#ifndef ARM_MATH_BIG_ENDIAN</span>
|
||||
<a name="l00147"></a>00147 <span class="preprocessor"></span>
|
||||
<a name="l00148"></a>00148 state_in = __PKHBT(in, state_in, 16);
|
||||
<a name="l00149"></a>00149 state_out = __PKHBT(out, state_out, 16);
|
||||
<a name="l00150"></a>00150
|
||||
<a name="l00151"></a>00151 <span class="preprocessor">#else</span>
|
||||
<a name="l00152"></a>00152 <span class="preprocessor"></span>
|
||||
<a name="l00153"></a>00153 state_in = __PKHBT(state_in >> 16, (in >> 16), 16);
|
||||
<a name="l00154"></a>00154 state_out = __PKHBT(state_out >> 16, (out), 16);
|
||||
<a name="l00155"></a>00155
|
||||
<a name="l00156"></a>00156 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_BIG_ENDIAN */</span>
|
||||
<a name="l00157"></a>00157
|
||||
<a name="l00158"></a>00158 <span class="comment">/* out = b0 * x[n] + 0 * 0 */</span>
|
||||
<a name="l00159"></a>00159 out = __SMUADX(b0, in);
|
||||
<a name="l00160"></a>00160 <span class="comment">/* acc0 = b1 * x[n-1] + acc0 += b2 * x[n-2] + out */</span>
|
||||
<a name="l00161"></a>00161 acc0 = __SMLAD(b1, state_in, out);
|
||||
<a name="l00162"></a>00162 <span class="comment">/* acc0 += a1 * y[n-1] + acc0 += a2 * y[n-2] */</span>
|
||||
<a name="l00163"></a>00163 acc0 = __SMLAD(a1, state_out, acc0);
|
||||
<a name="l00164"></a>00164
|
||||
<a name="l00165"></a>00165 <span class="comment">/* The result is converted from 3.29 to 1.31 and then saturation is applied */</span>
|
||||
<a name="l00166"></a>00166 out = __SSAT((acc0 >> shift), 16);
|
||||
<a name="l00167"></a>00167
|
||||
<a name="l00168"></a>00168
|
||||
<a name="l00169"></a>00169 <span class="comment">/* Store the output in the destination buffer. */</span>
|
||||
<a name="l00170"></a>00170
|
||||
<a name="l00171"></a>00171 <span class="preprocessor">#ifndef ARM_MATH_BIG_ENDIAN</span>
|
||||
<a name="l00172"></a>00172 <span class="preprocessor"></span>
|
||||
<a name="l00173"></a>00173 *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pOut)++ = __PKHBT(state_out, out, 16);
|
||||
<a name="l00174"></a>00174
|
||||
<a name="l00175"></a>00175 <span class="preprocessor">#else</span>
|
||||
<a name="l00176"></a>00176 <span class="preprocessor"></span>
|
||||
<a name="l00177"></a>00177 *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pOut)++ = __PKHBT(out, state_out >> 16, 16);
|
||||
<a name="l00178"></a>00178
|
||||
<a name="l00179"></a>00179 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_BIG_ENDIAN */</span>
|
||||
<a name="l00180"></a>00180
|
||||
<a name="l00181"></a>00181 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00182"></a>00182 <span class="comment">/* The states should be updated as: */</span>
|
||||
<a name="l00183"></a>00183 <span class="comment">/* Xn2 = Xn1 */</span>
|
||||
<a name="l00184"></a>00184 <span class="comment">/* Xn1 = Xn */</span>
|
||||
<a name="l00185"></a>00185 <span class="comment">/* Yn2 = Yn1 */</span>
|
||||
<a name="l00186"></a>00186 <span class="comment">/* Yn1 = acc0 */</span>
|
||||
<a name="l00187"></a>00187 <span class="comment">/* x[n-N], x[n-N-1] are packed together to make state_in of type q31 */</span>
|
||||
<a name="l00188"></a>00188 <span class="comment">/* y[n-N], y[n-N-1] are packed together to make state_out of type q31 */</span>
|
||||
<a name="l00189"></a>00189
|
||||
<a name="l00190"></a>00190 <span class="preprocessor">#ifndef ARM_MATH_BIG_ENDIAN</span>
|
||||
<a name="l00191"></a>00191 <span class="preprocessor"></span>
|
||||
<a name="l00192"></a>00192 state_in = __PKHBT(in >> 16, state_in, 16);
|
||||
<a name="l00193"></a>00193 state_out = __PKHBT(out, state_out, 16);
|
||||
<a name="l00194"></a>00194
|
||||
<a name="l00195"></a>00195 <span class="preprocessor">#else</span>
|
||||
<a name="l00196"></a>00196 <span class="preprocessor"></span>
|
||||
<a name="l00197"></a>00197 state_in = __PKHBT(state_in >> 16, in, 16);
|
||||
<a name="l00198"></a>00198 state_out = __PKHBT(state_out >> 16, out, 16);
|
||||
<a name="l00199"></a>00199
|
||||
<a name="l00200"></a>00200 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_BIG_ENDIAN */</span>
|
||||
<a name="l00201"></a>00201
|
||||
<a name="l00202"></a>00202
|
||||
<a name="l00203"></a>00203 <span class="comment">/* Decrement the loop counter */</span>
|
||||
<a name="l00204"></a>00204 sample--;
|
||||
<a name="l00205"></a>00205
|
||||
<a name="l00206"></a>00206 }
|
||||
<a name="l00207"></a>00207
|
||||
<a name="l00208"></a>00208 <span class="comment">/* If the blockSize is not a multiple of 2, compute any remaining output samples here. </span>
|
||||
<a name="l00209"></a>00209 <span class="comment"> ** No loop unrolling is used. */</span>
|
||||
<a name="l00210"></a>00210
|
||||
<a name="l00211"></a>00211 <span class="keywordflow">if</span>((blockSize & 0x1u) != 0u)
|
||||
<a name="l00212"></a>00212 {
|
||||
<a name="l00213"></a>00213 <span class="comment">/* Read the input */</span>
|
||||
<a name="l00214"></a>00214 in = *pIn++;
|
||||
<a name="l00215"></a>00215
|
||||
<a name="l00216"></a>00216 <span class="comment">/* out = b0 * x[n] + 0 * 0 */</span>
|
||||
<a name="l00217"></a>00217
|
||||
<a name="l00218"></a>00218 <span class="preprocessor">#ifndef ARM_MATH_BIG_ENDIAN</span>
|
||||
<a name="l00219"></a>00219 <span class="preprocessor"></span>
|
||||
<a name="l00220"></a>00220 out = __SMUAD(b0, in);
|
||||
<a name="l00221"></a>00221
|
||||
<a name="l00222"></a>00222 <span class="preprocessor">#else</span>
|
||||
<a name="l00223"></a>00223 <span class="preprocessor"></span>
|
||||
<a name="l00224"></a>00224 out = __SMUADX(b0, in);
|
||||
<a name="l00225"></a>00225
|
||||
<a name="l00226"></a>00226 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_BIG_ENDIAN */</span>
|
||||
<a name="l00227"></a>00227
|
||||
<a name="l00228"></a>00228 <span class="comment">/* acc0 = b1 * x[n-1] + acc0 += b2 * x[n-2] + out */</span>
|
||||
<a name="l00229"></a>00229 acc0 = __SMLAD(b1, state_in, out);
|
||||
<a name="l00230"></a>00230 <span class="comment">/* acc0 += a1 * y[n-1] + acc0 += a2 * y[n-2] */</span>
|
||||
<a name="l00231"></a>00231 acc0 = __SMLAD(a1, state_out, acc0);
|
||||
<a name="l00232"></a>00232
|
||||
<a name="l00233"></a>00233 <span class="comment">/* The result is converted from 3.29 to 1.31 and then saturation is applied */</span>
|
||||
<a name="l00234"></a>00234 out = __SSAT((acc0 >> shift), 16);
|
||||
<a name="l00235"></a>00235
|
||||
<a name="l00236"></a>00236 <span class="comment">/* Store the output in the destination buffer. */</span>
|
||||
<a name="l00237"></a>00237 *pOut++ = (<a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a>) out;
|
||||
<a name="l00238"></a>00238
|
||||
<a name="l00239"></a>00239 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00240"></a>00240 <span class="comment">/* The states should be updated as: */</span>
|
||||
<a name="l00241"></a>00241 <span class="comment">/* Xn2 = Xn1 */</span>
|
||||
<a name="l00242"></a>00242 <span class="comment">/* Xn1 = Xn */</span>
|
||||
<a name="l00243"></a>00243 <span class="comment">/* Yn2 = Yn1 */</span>
|
||||
<a name="l00244"></a>00244 <span class="comment">/* Yn1 = acc0 */</span>
|
||||
<a name="l00245"></a>00245 <span class="comment">/* x[n-N], x[n-N-1] are packed together to make state_in of type q31 */</span>
|
||||
<a name="l00246"></a>00246 <span class="comment">/* y[n-N], y[n-N-1] are packed together to make state_out of type q31 */</span>
|
||||
<a name="l00247"></a>00247
|
||||
<a name="l00248"></a>00248 <span class="preprocessor">#ifndef ARM_MATH_BIG_ENDIAN</span>
|
||||
<a name="l00249"></a>00249 <span class="preprocessor"></span>
|
||||
<a name="l00250"></a>00250 state_in = __PKHBT(in, state_in, 16);
|
||||
<a name="l00251"></a>00251 state_out = __PKHBT(out, state_out, 16);
|
||||
<a name="l00252"></a>00252
|
||||
<a name="l00253"></a>00253 <span class="preprocessor">#else</span>
|
||||
<a name="l00254"></a>00254 <span class="preprocessor"></span>
|
||||
<a name="l00255"></a>00255 state_in = __PKHBT(state_in >> 16, in, 16);
|
||||
<a name="l00256"></a>00256 state_out = __PKHBT(state_out >> 16, out, 16);
|
||||
<a name="l00257"></a>00257
|
||||
<a name="l00258"></a>00258 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_BIG_ENDIAN */</span>
|
||||
<a name="l00259"></a>00259
|
||||
<a name="l00260"></a>00260 }
|
||||
<a name="l00261"></a>00261
|
||||
<a name="l00262"></a>00262 <span class="comment">/* The first stage goes from the input buffer to the output buffer. */</span>
|
||||
<a name="l00263"></a>00263 <span class="comment">/* Subsequent (numStages - 1) occur in-place in the output buffer */</span>
|
||||
<a name="l00264"></a>00264 pIn = pDst;
|
||||
<a name="l00265"></a>00265
|
||||
<a name="l00266"></a>00266 <span class="comment">/* Reset the output pointer */</span>
|
||||
<a name="l00267"></a>00267 pOut = pDst;
|
||||
<a name="l00268"></a>00268
|
||||
<a name="l00269"></a>00269 <span class="comment">/* Store the updated state variables back into the state array */</span>
|
||||
<a name="l00270"></a>00270 *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pState)++ = state_in;
|
||||
<a name="l00271"></a>00271 *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pState)++ = state_out;
|
||||
<a name="l00272"></a>00272
|
||||
<a name="l00273"></a>00273
|
||||
<a name="l00274"></a>00274 <span class="comment">/* Decrement the loop counter */</span>
|
||||
<a name="l00275"></a>00275 stage--;
|
||||
<a name="l00276"></a>00276
|
||||
<a name="l00277"></a>00277 } <span class="keywordflow">while</span>(stage > 0u);
|
||||
<a name="l00278"></a>00278 }
|
||||
<a name="l00279"></a>00279
|
||||
<a name="l00280"></a>00280
|
||||
</pre></div></div>
|
||||
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<h1>arm_biquad_cascade_df1_fast_q31.c File Reference</h1> </div>
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<code>#include "<a class="el" href="arm__math_8h_source.html">arm_math.h</a>"</code><br/>
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Functions</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___biquad_cascade_d_f1.html#ga456390f5e448afad3a38bed7d6e380e3">arm_biquad_cascade_df1_fast_q31</a> (const <a class="el" href="structarm__biquad__casd__df1__inst__q31.html">arm_biquad_casd_df1_inst_q31</a> *S, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrc, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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||||
<a href="arm__biquad__cascade__df1__fast__q31_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* ---------------------------------------------------------------------- </span>
|
||||
<a name="l00002"></a>00002 <span class="comment">* Copyright (C) 2010 ARM Limited. All rights reserved. </span>
|
||||
<a name="l00003"></a>00003 <span class="comment">* </span>
|
||||
<a name="l00004"></a>00004 <span class="comment">* $Date: 15. July 2011 </span>
|
||||
<a name="l00005"></a>00005 <span class="comment">* $Revision: V1.0.10 </span>
|
||||
<a name="l00006"></a>00006 <span class="comment">* </span>
|
||||
<a name="l00007"></a>00007 <span class="comment">* Project: CMSIS DSP Library </span>
|
||||
<a name="l00008"></a>00008 <span class="comment">* Title: arm_biquad_cascade_df1_fast_q31.c </span>
|
||||
<a name="l00009"></a>00009 <span class="comment">* </span>
|
||||
<a name="l00010"></a>00010 <span class="comment">* Description: Processing function for the </span>
|
||||
<a name="l00011"></a>00011 <span class="comment">* Q31 Fast Biquad cascade DirectFormI(DF1) filter. </span>
|
||||
<a name="l00012"></a>00012 <span class="comment">* </span>
|
||||
<a name="l00013"></a>00013 <span class="comment">* Target Processor: Cortex-M4/Cortex-M3</span>
|
||||
<a name="l00014"></a>00014 <span class="comment">* </span>
|
||||
<a name="l00015"></a>00015 <span class="comment">* Version 1.0.10 2011/7/15 </span>
|
||||
<a name="l00016"></a>00016 <span class="comment">* Big Endian support added and Merged M0 and M3/M4 Source code. </span>
|
||||
<a name="l00017"></a>00017 <span class="comment">* </span>
|
||||
<a name="l00018"></a>00018 <span class="comment">* Version 1.0.3 2010/11/29 </span>
|
||||
<a name="l00019"></a>00019 <span class="comment">* Re-organized the CMSIS folders and updated documentation. </span>
|
||||
<a name="l00020"></a>00020 <span class="comment">* </span>
|
||||
<a name="l00021"></a>00021 <span class="comment">* Version 1.0.2 2010/11/11 </span>
|
||||
<a name="l00022"></a>00022 <span class="comment">* Documentation updated. </span>
|
||||
<a name="l00023"></a>00023 <span class="comment">* </span>
|
||||
<a name="l00024"></a>00024 <span class="comment">* Version 1.0.1 2010/10/05 </span>
|
||||
<a name="l00025"></a>00025 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00026"></a>00026 <span class="comment">* </span>
|
||||
<a name="l00027"></a>00027 <span class="comment">* Version 1.0.0 2010/09/20 </span>
|
||||
<a name="l00028"></a>00028 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00029"></a>00029 <span class="comment">* </span>
|
||||
<a name="l00030"></a>00030 <span class="comment">* Version 0.0.9 2010/08/27 </span>
|
||||
<a name="l00031"></a>00031 <span class="comment">* Initial version </span>
|
||||
<a name="l00032"></a>00032 <span class="comment">* </span>
|
||||
<a name="l00033"></a>00033 <span class="comment">* -------------------------------------------------------------------- */</span>
|
||||
<a name="l00034"></a>00034
|
||||
<a name="l00035"></a>00035 <span class="preprocessor">#include "<a class="code" href="arm__math_8h.html">arm_math.h</a>"</span>
|
||||
<a name="l00036"></a>00036
|
||||
<a name="l00070"></a><a class="code" href="group___biquad_cascade_d_f1.html#ga456390f5e448afad3a38bed7d6e380e3">00070</a> <span class="keywordtype">void</span> <a class="code" href="group___biquad_cascade_d_f1.html#ga456390f5e448afad3a38bed7d6e380e3" title="Fast but less precise processing function for the Q31 Biquad cascade filter for Cortex-M3 and Cortex-...">arm_biquad_cascade_df1_fast_q31</a>(
|
||||
<a name="l00071"></a>00071 <span class="keyword">const</span> <a class="code" href="structarm__biquad__casd__df1__inst__q31.html" title="Instance structure for the Q31 Biquad cascade filter.">arm_biquad_casd_df1_inst_q31</a> * S,
|
||||
<a name="l00072"></a>00072 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> * pSrc,
|
||||
<a name="l00073"></a>00073 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> * pDst,
|
||||
<a name="l00074"></a>00074 uint32_t <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)
|
||||
<a name="l00075"></a>00075 {
|
||||
<a name="l00076"></a>00076 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> *pIn = pSrc; <span class="comment">/* input pointer initialization */</span>
|
||||
<a name="l00077"></a>00077 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> *pOut = pDst; <span class="comment">/* output pointer initialization */</span>
|
||||
<a name="l00078"></a>00078 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> *pState = S-><a class="code" href="structarm__biquad__casd__df1__inst__q31.html#a5dcf4727f58eb4e8e8b392508d8657bb">pState</a>; <span class="comment">/* pState pointer initialization */</span>
|
||||
<a name="l00079"></a>00079 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> *pCoeffs = S-><a class="code" href="structarm__biquad__casd__df1__inst__q31.html#aa62366c632f3b5305086f841f079dbd2">pCoeffs</a>; <span class="comment">/* coeff pointer initialization */</span>
|
||||
<a name="l00080"></a>00080 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> acc; <span class="comment">/* accumulator */</span>
|
||||
<a name="l00081"></a>00081 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> Xn1, Xn2, Yn1, Yn2; <span class="comment">/* Filter state variables */</span>
|
||||
<a name="l00082"></a>00082 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> b0, b1, b2, a1, a2; <span class="comment">/* Filter coefficients */</span>
|
||||
<a name="l00083"></a>00083 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> Xn; <span class="comment">/* temporary input */</span>
|
||||
<a name="l00084"></a>00084 int32_t shift = (int32_t) S-><a class="code" href="structarm__biquad__casd__df1__inst__q31.html#a636c7fbe09ec4bef0bc0a4b4e2151cbe">postShift</a> + 1; <span class="comment">/* Shift to be applied to the output */</span>
|
||||
<a name="l00085"></a>00085 uint32_t sample, stage = S-><a class="code" href="structarm__biquad__casd__df1__inst__q31.html#a2c2b579f1df1d8273a5d9d945c27e1b2">numStages</a>; <span class="comment">/* loop counters */</span>
|
||||
<a name="l00086"></a>00086
|
||||
<a name="l00087"></a>00087
|
||||
<a name="l00088"></a>00088 <span class="keywordflow">do</span>
|
||||
<a name="l00089"></a>00089 {
|
||||
<a name="l00090"></a>00090 <span class="comment">/* Reading the coefficients */</span>
|
||||
<a name="l00091"></a>00091 b0 = *pCoeffs++;
|
||||
<a name="l00092"></a>00092 b1 = *pCoeffs++;
|
||||
<a name="l00093"></a>00093 b2 = *pCoeffs++;
|
||||
<a name="l00094"></a>00094 a1 = *pCoeffs++;
|
||||
<a name="l00095"></a>00095 a2 = *pCoeffs++;
|
||||
<a name="l00096"></a>00096
|
||||
<a name="l00097"></a>00097 <span class="comment">/* Reading the state values */</span>
|
||||
<a name="l00098"></a>00098 Xn1 = pState[0];
|
||||
<a name="l00099"></a>00099 Xn2 = pState[1];
|
||||
<a name="l00100"></a>00100 Yn1 = pState[2];
|
||||
<a name="l00101"></a>00101 Yn2 = pState[3];
|
||||
<a name="l00102"></a>00102
|
||||
<a name="l00103"></a>00103 <span class="comment">/* Apply loop unrolling and compute 4 output values simultaneously. */</span>
|
||||
<a name="l00104"></a>00104 <span class="comment">/* The variables acc ... acc3 hold output values that are being computed: </span>
|
||||
<a name="l00105"></a>00105 <span class="comment"> * </span>
|
||||
<a name="l00106"></a>00106 <span class="comment"> * acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] </span>
|
||||
<a name="l00107"></a>00107 <span class="comment"> */</span>
|
||||
<a name="l00108"></a>00108
|
||||
<a name="l00109"></a>00109 sample = blockSize >> 2u;
|
||||
<a name="l00110"></a>00110
|
||||
<a name="l00111"></a>00111 <span class="comment">/* First part of the processing with loop unrolling. Compute 4 outputs at a time. </span>
|
||||
<a name="l00112"></a>00112 <span class="comment"> ** a second loop below computes the remaining 1 to 3 samples. */</span>
|
||||
<a name="l00113"></a>00113 <span class="keywordflow">while</span>(sample > 0u)
|
||||
<a name="l00114"></a>00114 {
|
||||
<a name="l00115"></a>00115 <span class="comment">/* Read the input */</span>
|
||||
<a name="l00116"></a>00116 Xn = *pIn++;
|
||||
<a name="l00117"></a>00117
|
||||
<a name="l00118"></a>00118 <span class="comment">/* acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00119"></a>00119 <span class="comment">/* acc = b0 * x[n] */</span>
|
||||
<a name="l00120"></a>00120 acc = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) (((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) b0 * Xn) >> 32);
|
||||
<a name="l00121"></a>00121 <span class="comment">/* acc += b1 * x[n-1] */</span>
|
||||
<a name="l00122"></a>00122 acc = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) ((((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) acc << 32) + ((q63_t) b1 * (Xn1))) >> 32);
|
||||
<a name="l00123"></a>00123 <span class="comment">/* acc += b[2] * x[n-2] */</span>
|
||||
<a name="l00124"></a>00124 acc = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) ((((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) acc << 32) + ((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) b2 * (Xn2))) >> 32);
|
||||
<a name="l00125"></a>00125 <span class="comment">/* acc += a1 * y[n-1] */</span>
|
||||
<a name="l00126"></a>00126 acc = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) ((((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) acc << 32) + ((q63_t) a1 * (Yn1))) >> 32);
|
||||
<a name="l00127"></a>00127 <span class="comment">/* acc += a2 * y[n-2] */</span>
|
||||
<a name="l00128"></a>00128 acc = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) ((((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) acc << 32) + ((q63_t) a2 * (Yn2))) >> 32);
|
||||
<a name="l00129"></a>00129
|
||||
<a name="l00130"></a>00130 <span class="comment">/* The result is converted to 1.31 , Yn2 variable is reused */</span>
|
||||
<a name="l00131"></a>00131 Yn2 = acc << shift;
|
||||
<a name="l00132"></a>00132
|
||||
<a name="l00133"></a>00133 <span class="comment">/* Store the output in the destination buffer. */</span>
|
||||
<a name="l00134"></a>00134 *pOut++ = Yn2;
|
||||
<a name="l00135"></a>00135
|
||||
<a name="l00136"></a>00136 <span class="comment">/* Read the second input */</span>
|
||||
<a name="l00137"></a>00137 Xn2 = *pIn++;
|
||||
<a name="l00138"></a>00138
|
||||
<a name="l00139"></a>00139 <span class="comment">/* acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00140"></a>00140 <span class="comment">/* acc = b0 * x[n] */</span>
|
||||
<a name="l00141"></a>00141 acc = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) (((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) b0 * (Xn2)) >> 32);
|
||||
<a name="l00142"></a>00142 <span class="comment">/* acc += b1 * x[n-1] */</span>
|
||||
<a name="l00143"></a>00143 acc = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) ((((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) acc << 32) + ((q63_t) b1 * (Xn))) >> 32);
|
||||
<a name="l00144"></a>00144 <span class="comment">/* acc += b[2] * x[n-2] */</span>
|
||||
<a name="l00145"></a>00145 acc = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) ((((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) acc << 32) + ((q63_t) b2 * (Xn1))) >> 32);
|
||||
<a name="l00146"></a>00146 <span class="comment">/* acc += a1 * y[n-1] */</span>
|
||||
<a name="l00147"></a>00147 acc = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) ((((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) acc << 32) + ((q63_t) a1 * (Yn2))) >> 32);
|
||||
<a name="l00148"></a>00148 <span class="comment">/* acc += a2 * y[n-2] */</span>
|
||||
<a name="l00149"></a>00149 acc = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) ((((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) acc << 32) + ((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) a2 * (Yn1))) >> 32);
|
||||
<a name="l00150"></a>00150
|
||||
<a name="l00151"></a>00151 <span class="comment">/* The result is converted to 1.31, Yn1 variable is reused */</span>
|
||||
<a name="l00152"></a>00152 Yn1 = acc << shift;
|
||||
<a name="l00153"></a>00153
|
||||
<a name="l00154"></a>00154 <span class="comment">/* Store the output in the destination buffer. */</span>
|
||||
<a name="l00155"></a>00155 *pOut++ = Yn1;
|
||||
<a name="l00156"></a>00156
|
||||
<a name="l00157"></a>00157 <span class="comment">/* Read the third input */</span>
|
||||
<a name="l00158"></a>00158 Xn1 = *pIn++;
|
||||
<a name="l00159"></a>00159
|
||||
<a name="l00160"></a>00160 <span class="comment">/* acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00161"></a>00161 <span class="comment">/* acc = b0 * x[n] */</span>
|
||||
<a name="l00162"></a>00162 acc = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) (((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) b0 * (Xn1)) >> 32);
|
||||
<a name="l00163"></a>00163 <span class="comment">/* acc += b1 * x[n-1] */</span>
|
||||
<a name="l00164"></a>00164 acc = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) ((((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) acc << 32) + ((q63_t) b1 * (Xn2))) >> 32);
|
||||
<a name="l00165"></a>00165 <span class="comment">/* acc += b[2] * x[n-2] */</span>
|
||||
<a name="l00166"></a>00166 acc = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) ((((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) acc << 32) + ((q63_t) b2 * (Xn))) >> 32);
|
||||
<a name="l00167"></a>00167 <span class="comment">/* acc += a1 * y[n-1] */</span>
|
||||
<a name="l00168"></a>00168 acc = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) ((((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) acc << 32) + ((q63_t) a1 * (Yn1))) >> 32);
|
||||
<a name="l00169"></a>00169 <span class="comment">/* acc += a2 * y[n-2] */</span>
|
||||
<a name="l00170"></a>00170 acc = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) ((((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) acc << 32) + ((q63_t) a2 * (Yn2))) >> 32);
|
||||
<a name="l00171"></a>00171
|
||||
<a name="l00172"></a>00172 <span class="comment">/* The result is converted to 1.31, Yn2 variable is reused */</span>
|
||||
<a name="l00173"></a>00173 Yn2 = acc << shift;
|
||||
<a name="l00174"></a>00174
|
||||
<a name="l00175"></a>00175 <span class="comment">/* Store the output in the destination buffer. */</span>
|
||||
<a name="l00176"></a>00176 *pOut++ = Yn2;
|
||||
<a name="l00177"></a>00177
|
||||
<a name="l00178"></a>00178 <span class="comment">/* Read the forth input */</span>
|
||||
<a name="l00179"></a>00179 Xn = *pIn++;
|
||||
<a name="l00180"></a>00180
|
||||
<a name="l00181"></a>00181 <span class="comment">/* acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00182"></a>00182 <span class="comment">/* acc = b0 * x[n] */</span>
|
||||
<a name="l00183"></a>00183 acc = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) (((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) b0 * (Xn)) >> 32);
|
||||
<a name="l00184"></a>00184 <span class="comment">/* acc += b1 * x[n-1] */</span>
|
||||
<a name="l00185"></a>00185 acc = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) ((((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) acc << 32) + ((q63_t) b1 * (Xn1))) >> 32);
|
||||
<a name="l00186"></a>00186 <span class="comment">/* acc += b[2] * x[n-2] */</span>
|
||||
<a name="l00187"></a>00187 acc = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) ((((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) acc << 32) + ((q63_t) b2 * (Xn2))) >> 32);
|
||||
<a name="l00188"></a>00188 <span class="comment">/* acc += a1 * y[n-1] */</span>
|
||||
<a name="l00189"></a>00189 acc = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) ((((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) acc << 32) + ((q63_t) a1 * (Yn2))) >> 32);
|
||||
<a name="l00190"></a>00190 <span class="comment">/* acc += a2 * y[n-2] */</span>
|
||||
<a name="l00191"></a>00191 acc = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) ((((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) acc << 32) + ((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) a2 * (Yn1))) >> 32);
|
||||
<a name="l00192"></a>00192
|
||||
<a name="l00193"></a>00193 <span class="comment">/* The result is converted to 1.31, Yn1 variable is reused */</span>
|
||||
<a name="l00194"></a>00194 Yn1 = acc << shift;
|
||||
<a name="l00195"></a>00195
|
||||
<a name="l00196"></a>00196 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00197"></a>00197 <span class="comment">/* The states should be updated as: */</span>
|
||||
<a name="l00198"></a>00198 <span class="comment">/* Xn2 = Xn1 */</span>
|
||||
<a name="l00199"></a>00199 <span class="comment">/* Xn1 = Xn */</span>
|
||||
<a name="l00200"></a>00200 <span class="comment">/* Yn2 = Yn1 */</span>
|
||||
<a name="l00201"></a>00201 <span class="comment">/* Yn1 = acc */</span>
|
||||
<a name="l00202"></a>00202 Xn2 = Xn1;
|
||||
<a name="l00203"></a>00203 Xn1 = Xn;
|
||||
<a name="l00204"></a>00204
|
||||
<a name="l00205"></a>00205 <span class="comment">/* Store the output in the destination buffer. */</span>
|
||||
<a name="l00206"></a>00206 *pOut++ = Yn1;
|
||||
<a name="l00207"></a>00207
|
||||
<a name="l00208"></a>00208 <span class="comment">/* decrement the loop counter */</span>
|
||||
<a name="l00209"></a>00209 sample--;
|
||||
<a name="l00210"></a>00210 }
|
||||
<a name="l00211"></a>00211
|
||||
<a name="l00212"></a>00212 <span class="comment">/* If the blockSize is not a multiple of 4, compute any remaining output samples here. </span>
|
||||
<a name="l00213"></a>00213 <span class="comment"> ** No loop unrolling is used. */</span>
|
||||
<a name="l00214"></a>00214 sample = (blockSize & 0x3u);
|
||||
<a name="l00215"></a>00215
|
||||
<a name="l00216"></a>00216 <span class="keywordflow">while</span>(sample > 0u)
|
||||
<a name="l00217"></a>00217 {
|
||||
<a name="l00218"></a>00218 <span class="comment">/* Read the input */</span>
|
||||
<a name="l00219"></a>00219 Xn = *pIn++;
|
||||
<a name="l00220"></a>00220
|
||||
<a name="l00221"></a>00221 <span class="comment">/* acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00222"></a>00222 <span class="comment">/* acc = b0 * x[n] */</span>
|
||||
<a name="l00223"></a>00223 acc = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) (((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) b0 * (Xn)) >> 32);
|
||||
<a name="l00224"></a>00224 <span class="comment">/* acc += b1 * x[n-1] */</span>
|
||||
<a name="l00225"></a>00225 acc = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) ((((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) acc << 32) + ((q63_t) b1 * (Xn1))) >> 32);
|
||||
<a name="l00226"></a>00226 <span class="comment">/* acc += b[2] * x[n-2] */</span>
|
||||
<a name="l00227"></a>00227 acc = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) ((((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) acc << 32) + ((q63_t) b2 * (Xn2))) >> 32);
|
||||
<a name="l00228"></a>00228 <span class="comment">/* acc += a1 * y[n-1] */</span>
|
||||
<a name="l00229"></a>00229 acc = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) ((((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) acc << 32) + ((q63_t) a1 * (Yn1))) >> 32);
|
||||
<a name="l00230"></a>00230 <span class="comment">/* acc += a2 * y[n-2] */</span>
|
||||
<a name="l00231"></a>00231 acc = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) ((((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) acc << 32) + ((q63_t) a2 * (Yn2))) >> 32);
|
||||
<a name="l00232"></a>00232 <span class="comment">/* The result is converted to 1.31 */</span>
|
||||
<a name="l00233"></a>00233 acc = acc << shift;
|
||||
<a name="l00234"></a>00234
|
||||
<a name="l00235"></a>00235 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00236"></a>00236 <span class="comment">/* The states should be updated as: */</span>
|
||||
<a name="l00237"></a>00237 <span class="comment">/* Xn2 = Xn1 */</span>
|
||||
<a name="l00238"></a>00238 <span class="comment">/* Xn1 = Xn */</span>
|
||||
<a name="l00239"></a>00239 <span class="comment">/* Yn2 = Yn1 */</span>
|
||||
<a name="l00240"></a>00240 <span class="comment">/* Yn1 = acc */</span>
|
||||
<a name="l00241"></a>00241 Xn2 = Xn1;
|
||||
<a name="l00242"></a>00242 Xn1 = Xn;
|
||||
<a name="l00243"></a>00243 Yn2 = Yn1;
|
||||
<a name="l00244"></a>00244 Yn1 = acc;
|
||||
<a name="l00245"></a>00245
|
||||
<a name="l00246"></a>00246 <span class="comment">/* Store the output in the destination buffer. */</span>
|
||||
<a name="l00247"></a>00247 *pOut++ = acc;
|
||||
<a name="l00248"></a>00248
|
||||
<a name="l00249"></a>00249 <span class="comment">/* decrement the loop counter */</span>
|
||||
<a name="l00250"></a>00250 sample--;
|
||||
<a name="l00251"></a>00251 }
|
||||
<a name="l00252"></a>00252
|
||||
<a name="l00253"></a>00253 <span class="comment">/* The first stage goes from the input buffer to the output buffer. */</span>
|
||||
<a name="l00254"></a>00254 <span class="comment">/* Subsequent stages occur in-place in the output buffer */</span>
|
||||
<a name="l00255"></a>00255 pIn = pDst;
|
||||
<a name="l00256"></a>00256
|
||||
<a name="l00257"></a>00257 <span class="comment">/* Reset to destination pointer */</span>
|
||||
<a name="l00258"></a>00258 pOut = pDst;
|
||||
<a name="l00259"></a>00259
|
||||
<a name="l00260"></a>00260 <span class="comment">/* Store the updated state variables back into the pState array */</span>
|
||||
<a name="l00261"></a>00261 *pState++ = Xn1;
|
||||
<a name="l00262"></a>00262 *pState++ = Xn2;
|
||||
<a name="l00263"></a>00263 *pState++ = Yn1;
|
||||
<a name="l00264"></a>00264 *pState++ = Yn2;
|
||||
<a name="l00265"></a>00265
|
||||
<a name="l00266"></a>00266 } <span class="keywordflow">while</span>(--stage);
|
||||
<a name="l00267"></a>00267 }
|
||||
<a name="l00268"></a>00268
|
||||
</pre></div></div>
|
||||
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<h1>arm_biquad_cascade_df1_init_f32.c File Reference</h1> </div>
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<code>#include "<a class="el" href="arm__math_8h_source.html">arm_math.h</a>"</code><br/>
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<p><a href="arm__biquad__cascade__df1__init__f32_8c_source.html">Go to the source code of this file.</a></p>
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Functions</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___biquad_cascade_d_f1.html#ga8e73b69a788e681a61bccc8959d823c5">arm_biquad_cascade_df1_init_f32</a> (<a class="el" href="structarm__biquad__casd__df1__inst__f32.html">arm_biquad_casd_df1_inst_f32</a> *S, uint8_t numStages, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pCoeffs, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pState)</td></tr>
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<h1>arm_biquad_cascade_df1_init_f32.c</h1> </div>
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<a href="arm__biquad__cascade__df1__init__f32_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*----------------------------------------------------------------------------- </span>
|
||||
<a name="l00002"></a>00002 <span class="comment">* Copyright (C) 2010 ARM Limited. All rights reserved. </span>
|
||||
<a name="l00003"></a>00003 <span class="comment">* </span>
|
||||
<a name="l00004"></a>00004 <span class="comment">* $Date: 15. July 2011 </span>
|
||||
<a name="l00005"></a>00005 <span class="comment">* $Revision: V1.0.10 </span>
|
||||
<a name="l00006"></a>00006 <span class="comment">* </span>
|
||||
<a name="l00007"></a>00007 <span class="comment">* Project: CMSIS DSP Library </span>
|
||||
<a name="l00008"></a>00008 <span class="comment">* Title: arm_biquad_cascade_df1_init_f32.c </span>
|
||||
<a name="l00009"></a>00009 <span class="comment">* </span>
|
||||
<a name="l00010"></a>00010 <span class="comment">* Description: floating-point Biquad cascade DirectFormI(DF1) filter initialization function. </span>
|
||||
<a name="l00011"></a>00011 <span class="comment">* </span>
|
||||
<a name="l00012"></a>00012 <span class="comment">* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0</span>
|
||||
<a name="l00013"></a>00013 <span class="comment">* </span>
|
||||
<a name="l00014"></a>00014 <span class="comment">* Version 1.0.10 2011/7/15 </span>
|
||||
<a name="l00015"></a>00015 <span class="comment">* Big Endian support added and Merged M0 and M3/M4 Source code. </span>
|
||||
<a name="l00016"></a>00016 <span class="comment">* </span>
|
||||
<a name="l00017"></a>00017 <span class="comment">* Version 1.0.3 2010/11/29 </span>
|
||||
<a name="l00018"></a>00018 <span class="comment">* Re-organized the CMSIS folders and updated documentation. </span>
|
||||
<a name="l00019"></a>00019 <span class="comment">* </span>
|
||||
<a name="l00020"></a>00020 <span class="comment">* Version 1.0.2 2010/11/11 </span>
|
||||
<a name="l00021"></a>00021 <span class="comment">* Documentation updated. </span>
|
||||
<a name="l00022"></a>00022 <span class="comment">* </span>
|
||||
<a name="l00023"></a>00023 <span class="comment">* Version 1.0.1 2010/10/05 </span>
|
||||
<a name="l00024"></a>00024 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00025"></a>00025 <span class="comment">* </span>
|
||||
<a name="l00026"></a>00026 <span class="comment">* Version 1.0.0 2010/09/20 </span>
|
||||
<a name="l00027"></a>00027 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00028"></a>00028 <span class="comment">* </span>
|
||||
<a name="l00029"></a>00029 <span class="comment">* Version 0.0.5 2010/04/26 </span>
|
||||
<a name="l00030"></a>00030 <span class="comment">* incorporated review comments and updated with latest CMSIS layer </span>
|
||||
<a name="l00031"></a>00031 <span class="comment">* </span>
|
||||
<a name="l00032"></a>00032 <span class="comment">* Version 0.0.3 2010/03/10 </span>
|
||||
<a name="l00033"></a>00033 <span class="comment">* Initial version </span>
|
||||
<a name="l00034"></a>00034 <span class="comment">* ---------------------------------------------------------------------------*/</span>
|
||||
<a name="l00035"></a>00035
|
||||
<a name="l00036"></a>00036 <span class="preprocessor">#include "<a class="code" href="arm__math_8h.html">arm_math.h</a>"</span>
|
||||
<a name="l00037"></a>00037
|
||||
<a name="l00083"></a><a class="code" href="group___biquad_cascade_d_f1.html#ga8e73b69a788e681a61bccc8959d823c5">00083</a> <span class="keywordtype">void</span> <a class="code" href="group___biquad_cascade_d_f1.html#ga8e73b69a788e681a61bccc8959d823c5" title="Initialization function for the floating-point Biquad cascade filter.">arm_biquad_cascade_df1_init_f32</a>(
|
||||
<a name="l00084"></a>00084 <a class="code" href="structarm__biquad__casd__df1__inst__f32.html" title="Instance structure for the floating-point Biquad cascade filter.">arm_biquad_casd_df1_inst_f32</a> * S,
|
||||
<a name="l00085"></a>00085 uint8_t numStages,
|
||||
<a name="l00086"></a>00086 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> * pCoeffs,
|
||||
<a name="l00087"></a>00087 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> * pState)
|
||||
<a name="l00088"></a>00088 {
|
||||
<a name="l00089"></a>00089 <span class="comment">/* Assign filter stages */</span>
|
||||
<a name="l00090"></a>00090 S-><a class="code" href="structarm__biquad__casd__df1__inst__f32.html#af69820c37a87252c46453e4cfe120585">numStages</a> = numStages;
|
||||
<a name="l00091"></a>00091
|
||||
<a name="l00092"></a>00092 <span class="comment">/* Assign coefficient pointer */</span>
|
||||
<a name="l00093"></a>00093 S-><a class="code" href="structarm__biquad__casd__df1__inst__f32.html#af9df3820576fb921809d1462c9c6d16c">pCoeffs</a> = pCoeffs;
|
||||
<a name="l00094"></a>00094
|
||||
<a name="l00095"></a>00095 <span class="comment">/* Clear state buffer and size is always 4 * numStages */</span>
|
||||
<a name="l00096"></a>00096 memset(pState, 0, (4u * (uint32_t) numStages) * <span class="keyword">sizeof</span>(<a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a>));
|
||||
<a name="l00097"></a>00097
|
||||
<a name="l00098"></a>00098 <span class="comment">/* Assign state pointer */</span>
|
||||
<a name="l00099"></a>00099 S-><a class="code" href="structarm__biquad__casd__df1__inst__f32.html#a8c245d79e0d8cfabc82409d4b54fb682">pState</a> = pState;
|
||||
<a name="l00100"></a>00100 }
|
||||
<a name="l00101"></a>00101
|
||||
</pre></div></div>
|
||||
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<h1>arm_biquad_cascade_df1_init_q15.c File Reference</h1> </div>
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<code>#include "<a class="el" href="arm__math_8h_source.html">arm_math.h</a>"</code><br/>
|
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<p><a href="arm__biquad__cascade__df1__init__q15_8c_source.html">Go to the source code of this file.</a></p>
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Functions</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___biquad_cascade_d_f1.html#gad54c724132f6d742a444eb6df0e9c731">arm_biquad_cascade_df1_init_q15</a> (<a class="el" href="structarm__biquad__casd__df1__inst__q15.html">arm_biquad_casd_df1_inst_q15</a> *S, uint8_t numStages, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pCoeffs, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pState, int8_t postShift)</td></tr>
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<h1>arm_biquad_cascade_df1_init_q15.c</h1> </div>
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||||
<a href="arm__biquad__cascade__df1__init__q15_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*----------------------------------------------------------------------------- </span>
|
||||
<a name="l00002"></a>00002 <span class="comment">* Copyright (C) 2010 ARM Limited. All rights reserved. </span>
|
||||
<a name="l00003"></a>00003 <span class="comment">* </span>
|
||||
<a name="l00004"></a>00004 <span class="comment">* $Date: 15. July 2011 </span>
|
||||
<a name="l00005"></a>00005 <span class="comment">* $Revision: V1.0.10 </span>
|
||||
<a name="l00006"></a>00006 <span class="comment">* </span>
|
||||
<a name="l00007"></a>00007 <span class="comment">* Project: CMSIS DSP Library </span>
|
||||
<a name="l00008"></a>00008 <span class="comment">* Title: arm_biquad_cascade_df1_init_q15.c </span>
|
||||
<a name="l00009"></a>00009 <span class="comment">* </span>
|
||||
<a name="l00010"></a>00010 <span class="comment">* Description: Q15 Biquad cascade DirectFormI(DF1) filter initialization function. </span>
|
||||
<a name="l00011"></a>00011 <span class="comment">* </span>
|
||||
<a name="l00012"></a>00012 <span class="comment">* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0</span>
|
||||
<a name="l00013"></a>00013 <span class="comment">* </span>
|
||||
<a name="l00014"></a>00014 <span class="comment">* Version 1.0.10 2011/7/15 </span>
|
||||
<a name="l00015"></a>00015 <span class="comment">* Big Endian support added and Merged M0 and M3/M4 Source code. </span>
|
||||
<a name="l00016"></a>00016 <span class="comment">* </span>
|
||||
<a name="l00017"></a>00017 <span class="comment">* Version 1.0.3 2010/11/29 </span>
|
||||
<a name="l00018"></a>00018 <span class="comment">* Re-organized the CMSIS folders and updated documentation. </span>
|
||||
<a name="l00019"></a>00019 <span class="comment">* </span>
|
||||
<a name="l00020"></a>00020 <span class="comment">* Version 1.0.2 2010/11/11 </span>
|
||||
<a name="l00021"></a>00021 <span class="comment">* Documentation updated. </span>
|
||||
<a name="l00022"></a>00022 <span class="comment">* </span>
|
||||
<a name="l00023"></a>00023 <span class="comment">* Version 1.0.1 2010/10/05 </span>
|
||||
<a name="l00024"></a>00024 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00025"></a>00025 <span class="comment">* </span>
|
||||
<a name="l00026"></a>00026 <span class="comment">* Version 1.0.0 2010/09/20 </span>
|
||||
<a name="l00027"></a>00027 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00028"></a>00028 <span class="comment">* </span>
|
||||
<a name="l00029"></a>00029 <span class="comment">* Version 0.0.5 2010/04/26 </span>
|
||||
<a name="l00030"></a>00030 <span class="comment">* incorporated review comments and updated with latest CMSIS layer </span>
|
||||
<a name="l00031"></a>00031 <span class="comment">* </span>
|
||||
<a name="l00032"></a>00032 <span class="comment">* Version 0.0.3 2010/03/10 </span>
|
||||
<a name="l00033"></a>00033 <span class="comment">* Initial version </span>
|
||||
<a name="l00034"></a>00034 <span class="comment">* ---------------------------------------------------------------------------*/</span>
|
||||
<a name="l00035"></a>00035
|
||||
<a name="l00036"></a>00036 <span class="preprocessor">#include "<a class="code" href="arm__math_8h.html">arm_math.h</a>"</span>
|
||||
<a name="l00037"></a>00037
|
||||
<a name="l00081"></a><a class="code" href="group___biquad_cascade_d_f1.html#gad54c724132f6d742a444eb6df0e9c731">00081</a> <span class="keywordtype">void</span> <a class="code" href="group___biquad_cascade_d_f1.html#gad54c724132f6d742a444eb6df0e9c731" title="Initialization function for the Q15 Biquad cascade filter.">arm_biquad_cascade_df1_init_q15</a>(
|
||||
<a name="l00082"></a>00082 <a class="code" href="structarm__biquad__casd__df1__inst__q15.html" title="Instance structure for the Q15 Biquad cascade filter.">arm_biquad_casd_df1_inst_q15</a> * S,
|
||||
<a name="l00083"></a>00083 uint8_t numStages,
|
||||
<a name="l00084"></a>00084 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> * pCoeffs,
|
||||
<a name="l00085"></a>00085 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> * pState,
|
||||
<a name="l00086"></a>00086 int8_t postShift)
|
||||
<a name="l00087"></a>00087 {
|
||||
<a name="l00088"></a>00088 <span class="comment">/* Assign filter stages */</span>
|
||||
<a name="l00089"></a>00089 S-><a class="code" href="structarm__biquad__casd__df1__inst__q15.html#ad6d95e70abcf4ff1300181415ad92153">numStages</a> = numStages;
|
||||
<a name="l00090"></a>00090
|
||||
<a name="l00091"></a>00091 <span class="comment">/* Assign postShift to be applied to the output */</span>
|
||||
<a name="l00092"></a>00092 S-><a class="code" href="structarm__biquad__casd__df1__inst__q15.html#ada7e9d6269e6ed4eacf8f68729e9832d">postShift</a> = postShift;
|
||||
<a name="l00093"></a>00093
|
||||
<a name="l00094"></a>00094 <span class="comment">/* Assign coefficient pointer */</span>
|
||||
<a name="l00095"></a>00095 S-><a class="code" href="structarm__biquad__casd__df1__inst__q15.html#a1edaacdebb5b09d7635bf20c779855fc">pCoeffs</a> = pCoeffs;
|
||||
<a name="l00096"></a>00096
|
||||
<a name="l00097"></a>00097 <span class="comment">/* Clear state buffer and size is always 4 * numStages */</span>
|
||||
<a name="l00098"></a>00098 memset(pState, 0, (4u * (uint32_t) numStages) * <span class="keyword">sizeof</span>(<a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a>));
|
||||
<a name="l00099"></a>00099
|
||||
<a name="l00100"></a>00100 <span class="comment">/* Assign state pointer */</span>
|
||||
<a name="l00101"></a>00101 S-><a class="code" href="structarm__biquad__casd__df1__inst__q15.html#a5481104ef2f8f81360b80b47d69ae932">pState</a> = pState;
|
||||
<a name="l00102"></a>00102 }
|
||||
<a name="l00103"></a>00103
|
||||
</pre></div></div>
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||||
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<h1>arm_biquad_cascade_df1_init_q31.c File Reference</h1> </div>
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<code>#include "<a class="el" href="arm__math_8h_source.html">arm_math.h</a>"</code><br/>
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Functions</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___biquad_cascade_d_f1.html#gaf42a44f9b16d61e636418c83eefe577b">arm_biquad_cascade_df1_init_q31</a> (<a class="el" href="structarm__biquad__casd__df1__inst__q31.html">arm_biquad_casd_df1_inst_q31</a> *S, uint8_t numStages, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pCoeffs, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pState, int8_t postShift)</td></tr>
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<h1>arm_biquad_cascade_df1_init_q31.c</h1> </div>
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||||
<a href="arm__biquad__cascade__df1__init__q31_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* ---------------------------------------------------------------------- </span>
|
||||
<a name="l00002"></a>00002 <span class="comment">* Copyright (C) 2010 ARM Limited. All rights reserved. </span>
|
||||
<a name="l00003"></a>00003 <span class="comment">* </span>
|
||||
<a name="l00004"></a>00004 <span class="comment">* $Date: 15. July 2011 </span>
|
||||
<a name="l00005"></a>00005 <span class="comment">* $Revision: V1.0.10 </span>
|
||||
<a name="l00006"></a>00006 <span class="comment">* </span>
|
||||
<a name="l00007"></a>00007 <span class="comment">* Project: CMSIS DSP Library </span>
|
||||
<a name="l00008"></a>00008 <span class="comment">* Title: arm_biquad_cascade_df1_init_q31.c </span>
|
||||
<a name="l00009"></a>00009 <span class="comment">* </span>
|
||||
<a name="l00010"></a>00010 <span class="comment">* Description: Q31 Biquad cascade DirectFormI(DF1) filter initialization function. </span>
|
||||
<a name="l00011"></a>00011 <span class="comment">* </span>
|
||||
<a name="l00012"></a>00012 <span class="comment">* </span>
|
||||
<a name="l00013"></a>00013 <span class="comment">* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0</span>
|
||||
<a name="l00014"></a>00014 <span class="comment">* </span>
|
||||
<a name="l00015"></a>00015 <span class="comment">* Version 1.0.10 2011/7/15 </span>
|
||||
<a name="l00016"></a>00016 <span class="comment">* Big Endian support added and Merged M0 and M3/M4 Source code. </span>
|
||||
<a name="l00017"></a>00017 <span class="comment">* </span>
|
||||
<a name="l00018"></a>00018 <span class="comment">* Version 1.0.3 2010/11/29 </span>
|
||||
<a name="l00019"></a>00019 <span class="comment">* Re-organized the CMSIS folders and updated documentation. </span>
|
||||
<a name="l00020"></a>00020 <span class="comment">* </span>
|
||||
<a name="l00021"></a>00021 <span class="comment">* Version 1.0.2 2010/11/11 </span>
|
||||
<a name="l00022"></a>00022 <span class="comment">* Documentation updated. </span>
|
||||
<a name="l00023"></a>00023 <span class="comment">* </span>
|
||||
<a name="l00024"></a>00024 <span class="comment">* Version 1.0.1 2010/10/05 </span>
|
||||
<a name="l00025"></a>00025 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00026"></a>00026 <span class="comment">* </span>
|
||||
<a name="l00027"></a>00027 <span class="comment">* Version 1.0.0 2010/09/20 </span>
|
||||
<a name="l00028"></a>00028 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00029"></a>00029 <span class="comment">* </span>
|
||||
<a name="l00030"></a>00030 <span class="comment">* Version 0.0.5 2010/04/26 </span>
|
||||
<a name="l00031"></a>00031 <span class="comment">* incorporated review comments and updated with latest CMSIS layer </span>
|
||||
<a name="l00032"></a>00032 <span class="comment">* </span>
|
||||
<a name="l00033"></a>00033 <span class="comment">* Version 0.0.3 2010/03/10 </span>
|
||||
<a name="l00034"></a>00034 <span class="comment">* Initial version </span>
|
||||
<a name="l00035"></a>00035 <span class="comment">* -------------------------------------------------------------------- */</span>
|
||||
<a name="l00036"></a>00036
|
||||
<a name="l00037"></a>00037 <span class="preprocessor">#include "<a class="code" href="arm__math_8h.html">arm_math.h</a>"</span>
|
||||
<a name="l00038"></a>00038
|
||||
<a name="l00081"></a><a class="code" href="group___biquad_cascade_d_f1.html#gaf42a44f9b16d61e636418c83eefe577b">00081</a> <span class="keywordtype">void</span> <a class="code" href="group___biquad_cascade_d_f1.html#gaf42a44f9b16d61e636418c83eefe577b" title="Initialization function for the Q31 Biquad cascade filter.">arm_biquad_cascade_df1_init_q31</a>(
|
||||
<a name="l00082"></a>00082 <a class="code" href="structarm__biquad__casd__df1__inst__q31.html" title="Instance structure for the Q31 Biquad cascade filter.">arm_biquad_casd_df1_inst_q31</a> * S,
|
||||
<a name="l00083"></a>00083 uint8_t numStages,
|
||||
<a name="l00084"></a>00084 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> * pCoeffs,
|
||||
<a name="l00085"></a>00085 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> * pState,
|
||||
<a name="l00086"></a>00086 int8_t postShift)
|
||||
<a name="l00087"></a>00087 {
|
||||
<a name="l00088"></a>00088 <span class="comment">/* Assign filter stages */</span>
|
||||
<a name="l00089"></a>00089 S-><a class="code" href="structarm__biquad__casd__df1__inst__q31.html#a2c2b579f1df1d8273a5d9d945c27e1b2">numStages</a> = numStages;
|
||||
<a name="l00090"></a>00090
|
||||
<a name="l00091"></a>00091 <span class="comment">/* Assign postShift to be applied to the output */</span>
|
||||
<a name="l00092"></a>00092 S-><a class="code" href="structarm__biquad__casd__df1__inst__q31.html#a636c7fbe09ec4bef0bc0a4b4e2151cbe">postShift</a> = postShift;
|
||||
<a name="l00093"></a>00093
|
||||
<a name="l00094"></a>00094 <span class="comment">/* Assign coefficient pointer */</span>
|
||||
<a name="l00095"></a>00095 S-><a class="code" href="structarm__biquad__casd__df1__inst__q31.html#aa62366c632f3b5305086f841f079dbd2">pCoeffs</a> = pCoeffs;
|
||||
<a name="l00096"></a>00096
|
||||
<a name="l00097"></a>00097 <span class="comment">/* Clear state buffer and size is always 4 * numStages */</span>
|
||||
<a name="l00098"></a>00098 memset(pState, 0, (4u * (uint32_t) numStages) * <span class="keyword">sizeof</span>(<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>));
|
||||
<a name="l00099"></a>00099
|
||||
<a name="l00100"></a>00100 <span class="comment">/* Assign state pointer */</span>
|
||||
<a name="l00101"></a>00101 S-><a class="code" href="structarm__biquad__casd__df1__inst__q31.html#a5dcf4727f58eb4e8e8b392508d8657bb">pState</a> = pState;
|
||||
<a name="l00102"></a>00102 }
|
||||
<a name="l00103"></a>00103
|
||||
</pre></div></div>
|
||||
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<h1>arm_biquad_cascade_df1_q15.c File Reference</h1> </div>
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<code>#include "<a class="el" href="arm__math_8h_source.html">arm_math.h</a>"</code><br/>
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Functions</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___biquad_cascade_d_f1.html#gadd66a0aefdc645031d607b0a5b37a942">arm_biquad_cascade_df1_q15</a> (const <a class="el" href="structarm__biquad__casd__df1__inst__q15.html">arm_biquad_casd_df1_inst_q15</a> *S, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pSrc, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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<h1>arm_biquad_cascade_df1_q15.c</h1> </div>
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||||
<a href="arm__biquad__cascade__df1__q15_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* ---------------------------------------------------------------------- </span>
|
||||
<a name="l00002"></a>00002 <span class="comment">* Copyright (C) 2010 ARM Limited. All rights reserved. </span>
|
||||
<a name="l00003"></a>00003 <span class="comment">* </span>
|
||||
<a name="l00004"></a>00004 <span class="comment">* $Date: 15. July 2011 </span>
|
||||
<a name="l00005"></a>00005 <span class="comment">* $Revision: V1.0.10 </span>
|
||||
<a name="l00006"></a>00006 <span class="comment">* </span>
|
||||
<a name="l00007"></a>00007 <span class="comment">* Project: CMSIS DSP Library </span>
|
||||
<a name="l00008"></a>00008 <span class="comment">* Title: arm_biquad_cascade_df1_q15.c </span>
|
||||
<a name="l00009"></a>00009 <span class="comment">* </span>
|
||||
<a name="l00010"></a>00010 <span class="comment">* Description: Processing function for the </span>
|
||||
<a name="l00011"></a>00011 <span class="comment">* Q15 Biquad cascade DirectFormI(DF1) filter. </span>
|
||||
<a name="l00012"></a>00012 <span class="comment">* </span>
|
||||
<a name="l00013"></a>00013 <span class="comment">* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0</span>
|
||||
<a name="l00014"></a>00014 <span class="comment">* </span>
|
||||
<a name="l00015"></a>00015 <span class="comment">* Version 1.0.10 2011/7/15 </span>
|
||||
<a name="l00016"></a>00016 <span class="comment">* Big Endian support added and Merged M0 and M3/M4 Source code. </span>
|
||||
<a name="l00017"></a>00017 <span class="comment">* </span>
|
||||
<a name="l00018"></a>00018 <span class="comment">* Version 1.0.3 2010/11/29 </span>
|
||||
<a name="l00019"></a>00019 <span class="comment">* Re-organized the CMSIS folders and updated documentation. </span>
|
||||
<a name="l00020"></a>00020 <span class="comment">* </span>
|
||||
<a name="l00021"></a>00021 <span class="comment">* Version 1.0.2 2010/11/11 </span>
|
||||
<a name="l00022"></a>00022 <span class="comment">* Documentation updated. </span>
|
||||
<a name="l00023"></a>00023 <span class="comment">* </span>
|
||||
<a name="l00024"></a>00024 <span class="comment">* Version 1.0.1 2010/10/05 </span>
|
||||
<a name="l00025"></a>00025 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00026"></a>00026 <span class="comment">* </span>
|
||||
<a name="l00027"></a>00027 <span class="comment">* Version 1.0.0 2010/09/20 </span>
|
||||
<a name="l00028"></a>00028 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00029"></a>00029 <span class="comment">* </span>
|
||||
<a name="l00030"></a>00030 <span class="comment">* Version 0.0.5 2010/04/26 </span>
|
||||
<a name="l00031"></a>00031 <span class="comment">* incorporated review comments and updated with latest CMSIS layer </span>
|
||||
<a name="l00032"></a>00032 <span class="comment">* </span>
|
||||
<a name="l00033"></a>00033 <span class="comment">* Version 0.0.3 2010/03/10 </span>
|
||||
<a name="l00034"></a>00034 <span class="comment">* Initial version </span>
|
||||
<a name="l00035"></a>00035 <span class="comment">* -------------------------------------------------------------------- */</span>
|
||||
<a name="l00036"></a>00036
|
||||
<a name="l00037"></a>00037 <span class="preprocessor">#include "<a class="code" href="arm__math_8h.html">arm_math.h</a>"</span>
|
||||
<a name="l00038"></a>00038
|
||||
<a name="l00070"></a><a class="code" href="group___biquad_cascade_d_f1.html#gadd66a0aefdc645031d607b0a5b37a942">00070</a> <span class="keywordtype">void</span> <a class="code" href="group___biquad_cascade_d_f1.html#gadd66a0aefdc645031d607b0a5b37a942" title="Processing function for the Q15 Biquad cascade filter.">arm_biquad_cascade_df1_q15</a>(
|
||||
<a name="l00071"></a>00071 <span class="keyword">const</span> <a class="code" href="structarm__biquad__casd__df1__inst__q15.html" title="Instance structure for the Q15 Biquad cascade filter.">arm_biquad_casd_df1_inst_q15</a> * S,
|
||||
<a name="l00072"></a>00072 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> * pSrc,
|
||||
<a name="l00073"></a>00073 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> * pDst,
|
||||
<a name="l00074"></a>00074 uint32_t <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)
|
||||
<a name="l00075"></a>00075 {
|
||||
<a name="l00076"></a>00076
|
||||
<a name="l00077"></a>00077
|
||||
<a name="l00078"></a>00078 <span class="preprocessor">#ifndef ARM_MATH_CM0</span>
|
||||
<a name="l00079"></a>00079 <span class="preprocessor"></span>
|
||||
<a name="l00080"></a>00080 <span class="comment">/* Run the below code for Cortex-M4 and Cortex-M3 */</span>
|
||||
<a name="l00081"></a>00081
|
||||
<a name="l00082"></a>00082 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> *pIn = pSrc; <span class="comment">/* Source pointer */</span>
|
||||
<a name="l00083"></a>00083 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> *pOut = pDst; <span class="comment">/* Destination pointer */</span>
|
||||
<a name="l00084"></a>00084 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> in; <span class="comment">/* Temporary variable to hold input value */</span>
|
||||
<a name="l00085"></a>00085 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> out; <span class="comment">/* Temporary variable to hold output value */</span>
|
||||
<a name="l00086"></a>00086 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> b0; <span class="comment">/* Temporary variable to hold bo value */</span>
|
||||
<a name="l00087"></a>00087 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> b1, a1; <span class="comment">/* Filter coefficients */</span>
|
||||
<a name="l00088"></a>00088 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> state_in, state_out; <span class="comment">/* Filter state variables */</span>
|
||||
<a name="l00089"></a>00089 <a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a> acc; <span class="comment">/* Accumulator */</span>
|
||||
<a name="l00090"></a>00090 int32_t shift = (15 - (int32_t) S-><a class="code" href="structarm__biquad__casd__df1__inst__q15.html#ada7e9d6269e6ed4eacf8f68729e9832d">postShift</a>); <span class="comment">/* Post shift */</span>
|
||||
<a name="l00091"></a>00091 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> *pState = S-><a class="code" href="structarm__biquad__casd__df1__inst__q15.html#a5481104ef2f8f81360b80b47d69ae932">pState</a>; <span class="comment">/* State pointer */</span>
|
||||
<a name="l00092"></a>00092 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> *pCoeffs = S-><a class="code" href="structarm__biquad__casd__df1__inst__q15.html#a1edaacdebb5b09d7635bf20c779855fc">pCoeffs</a>; <span class="comment">/* Coefficient pointer */</span>
|
||||
<a name="l00093"></a>00093 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> *pState_q31; <span class="comment">/* 32-bit state pointer for SIMD implementation */</span>
|
||||
<a name="l00094"></a>00094 uint32_t sample, stage = (uint32_t) S-><a class="code" href="structarm__biquad__casd__df1__inst__q15.html#ad6d95e70abcf4ff1300181415ad92153">numStages</a>; <span class="comment">/* Stage loop counter */</span>
|
||||
<a name="l00095"></a>00095
|
||||
<a name="l00096"></a>00096 <span class="keywordflow">do</span>
|
||||
<a name="l00097"></a>00097 {
|
||||
<a name="l00098"></a>00098 <span class="comment">/* Initialize state pointer of type q31 */</span>
|
||||
<a name="l00099"></a>00099 pState_q31 = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> *) (pState);
|
||||
<a name="l00100"></a>00100
|
||||
<a name="l00101"></a>00101 <span class="comment">/* Read the b0 and 0 coefficients using SIMD */</span>
|
||||
<a name="l00102"></a>00102 b0 = *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pCoeffs)++;
|
||||
<a name="l00103"></a>00103
|
||||
<a name="l00104"></a>00104 <span class="comment">/* Read the b1 and b2 coefficients using SIMD */</span>
|
||||
<a name="l00105"></a>00105 b1 = *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pCoeffs)++;
|
||||
<a name="l00106"></a>00106
|
||||
<a name="l00107"></a>00107 <span class="comment">/* Read the a1 and a2 coefficients using SIMD */</span>
|
||||
<a name="l00108"></a>00108 a1 = *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pCoeffs)++;
|
||||
<a name="l00109"></a>00109
|
||||
<a name="l00110"></a>00110 <span class="comment">/* Read the input state values from the state buffer: x[n-1], x[n-2] */</span>
|
||||
<a name="l00111"></a>00111 state_in = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) (*pState_q31++);
|
||||
<a name="l00112"></a>00112
|
||||
<a name="l00113"></a>00113 <span class="comment">/* Read the output state values from the state buffer: y[n-1], y[n-2] */</span>
|
||||
<a name="l00114"></a>00114 state_out = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) (*pState_q31);
|
||||
<a name="l00115"></a>00115
|
||||
<a name="l00116"></a>00116 <span class="comment">/* Apply loop unrolling and compute 2 output values simultaneously. */</span>
|
||||
<a name="l00117"></a>00117 <span class="comment">/* The variable acc hold output values that are being computed: </span>
|
||||
<a name="l00118"></a>00118 <span class="comment"> * </span>
|
||||
<a name="l00119"></a>00119 <span class="comment"> * acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] </span>
|
||||
<a name="l00120"></a>00120 <span class="comment"> * acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] </span>
|
||||
<a name="l00121"></a>00121 <span class="comment"> */</span>
|
||||
<a name="l00122"></a>00122 sample = blockSize >> 1u;
|
||||
<a name="l00123"></a>00123
|
||||
<a name="l00124"></a>00124 <span class="comment">/* First part of the processing with loop unrolling. Compute 2 outputs at a time. </span>
|
||||
<a name="l00125"></a>00125 <span class="comment"> ** a second loop below computes the remaining 1 sample. */</span>
|
||||
<a name="l00126"></a>00126 <span class="keywordflow">while</span>(sample > 0u)
|
||||
<a name="l00127"></a>00127 {
|
||||
<a name="l00128"></a>00128
|
||||
<a name="l00129"></a>00129 <span class="comment">/* Read the input */</span>
|
||||
<a name="l00130"></a>00130 in = *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pIn)++;
|
||||
<a name="l00131"></a>00131
|
||||
<a name="l00132"></a>00132 <span class="comment">/* out = b0 * x[n] + 0 * 0 */</span>
|
||||
<a name="l00133"></a>00133 out = __SMUAD(b0, in);
|
||||
<a name="l00134"></a>00134
|
||||
<a name="l00135"></a>00135 <span class="comment">/* acc += b1 * x[n-1] + b2 * x[n-2] + out */</span>
|
||||
<a name="l00136"></a>00136 acc = __SMLALD(b1, state_in, out);
|
||||
<a name="l00137"></a>00137 <span class="comment">/* acc += a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00138"></a>00138 acc = __SMLALD(a1, state_out, acc);
|
||||
<a name="l00139"></a>00139
|
||||
<a name="l00140"></a>00140 <span class="comment">/* The result is converted from 3.29 to 1.31 if postShift = 1, and then saturation is applied */</span>
|
||||
<a name="l00141"></a>00141 out = __SSAT((acc >> shift), 16);
|
||||
<a name="l00142"></a>00142
|
||||
<a name="l00143"></a>00143 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00144"></a>00144 <span class="comment">/* The states should be updated as: */</span>
|
||||
<a name="l00145"></a>00145 <span class="comment">/* Xn2 = Xn1 */</span>
|
||||
<a name="l00146"></a>00146 <span class="comment">/* Xn1 = Xn */</span>
|
||||
<a name="l00147"></a>00147 <span class="comment">/* Yn2 = Yn1 */</span>
|
||||
<a name="l00148"></a>00148 <span class="comment">/* Yn1 = acc */</span>
|
||||
<a name="l00149"></a>00149 <span class="comment">/* x[n-N], x[n-N-1] are packed together to make state_in of type q31 */</span>
|
||||
<a name="l00150"></a>00150 <span class="comment">/* y[n-N], y[n-N-1] are packed together to make state_out of type q31 */</span>
|
||||
<a name="l00151"></a>00151
|
||||
<a name="l00152"></a>00152 <span class="preprocessor">#ifndef ARM_MATH_BIG_ENDIAN</span>
|
||||
<a name="l00153"></a>00153 <span class="preprocessor"></span>
|
||||
<a name="l00154"></a>00154 state_in = __PKHBT(in, state_in, 16);
|
||||
<a name="l00155"></a>00155 state_out = __PKHBT(out, state_out, 16);
|
||||
<a name="l00156"></a>00156
|
||||
<a name="l00157"></a>00157 <span class="preprocessor">#else</span>
|
||||
<a name="l00158"></a>00158 <span class="preprocessor"></span>
|
||||
<a name="l00159"></a>00159 state_in = __PKHBT(state_in >> 16, (in >> 16), 16);
|
||||
<a name="l00160"></a>00160 state_out = __PKHBT(state_out >> 16, (out), 16);
|
||||
<a name="l00161"></a>00161
|
||||
<a name="l00162"></a>00162 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_BIG_ENDIAN */</span>
|
||||
<a name="l00163"></a>00163
|
||||
<a name="l00164"></a>00164 <span class="comment">/* out = b0 * x[n] + 0 * 0 */</span>
|
||||
<a name="l00165"></a>00165 out = __SMUADX(b0, in);
|
||||
<a name="l00166"></a>00166 <span class="comment">/* acc += b1 * x[n-1] + b2 * x[n-2] + out */</span>
|
||||
<a name="l00167"></a>00167 acc = __SMLALD(b1, state_in, out);
|
||||
<a name="l00168"></a>00168 <span class="comment">/* acc += a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00169"></a>00169 acc = __SMLALD(a1, state_out, acc);
|
||||
<a name="l00170"></a>00170
|
||||
<a name="l00171"></a>00171 <span class="comment">/* The result is converted from 3.29 to 1.31 if postShift = 1, and then saturation is applied */</span>
|
||||
<a name="l00172"></a>00172 out = __SSAT((acc >> shift), 16);
|
||||
<a name="l00173"></a>00173
|
||||
<a name="l00174"></a>00174 <span class="comment">/* Store the output in the destination buffer. */</span>
|
||||
<a name="l00175"></a>00175
|
||||
<a name="l00176"></a>00176 <span class="preprocessor">#ifndef ARM_MATH_BIG_ENDIAN</span>
|
||||
<a name="l00177"></a>00177 <span class="preprocessor"></span>
|
||||
<a name="l00178"></a>00178 *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pOut)++ = __PKHBT(state_out, out, 16);
|
||||
<a name="l00179"></a>00179
|
||||
<a name="l00180"></a>00180 <span class="preprocessor">#else</span>
|
||||
<a name="l00181"></a>00181 <span class="preprocessor"></span>
|
||||
<a name="l00182"></a>00182 *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pOut)++ = __PKHBT(out, state_out >> 16, 16);
|
||||
<a name="l00183"></a>00183
|
||||
<a name="l00184"></a>00184 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_BIG_ENDIAN */</span>
|
||||
<a name="l00185"></a>00185
|
||||
<a name="l00186"></a>00186 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00187"></a>00187 <span class="comment">/* The states should be updated as: */</span>
|
||||
<a name="l00188"></a>00188 <span class="comment">/* Xn2 = Xn1 */</span>
|
||||
<a name="l00189"></a>00189 <span class="comment">/* Xn1 = Xn */</span>
|
||||
<a name="l00190"></a>00190 <span class="comment">/* Yn2 = Yn1 */</span>
|
||||
<a name="l00191"></a>00191 <span class="comment">/* Yn1 = acc */</span>
|
||||
<a name="l00192"></a>00192 <span class="comment">/* x[n-N], x[n-N-1] are packed together to make state_in of type q31 */</span>
|
||||
<a name="l00193"></a>00193 <span class="comment">/* y[n-N], y[n-N-1] are packed together to make state_out of type q31 */</span>
|
||||
<a name="l00194"></a>00194 <span class="preprocessor">#ifndef ARM_MATH_BIG_ENDIAN</span>
|
||||
<a name="l00195"></a>00195 <span class="preprocessor"></span>
|
||||
<a name="l00196"></a>00196 state_in = __PKHBT(in >> 16, state_in, 16);
|
||||
<a name="l00197"></a>00197 state_out = __PKHBT(out, state_out, 16);
|
||||
<a name="l00198"></a>00198
|
||||
<a name="l00199"></a>00199 <span class="preprocessor">#else</span>
|
||||
<a name="l00200"></a>00200 <span class="preprocessor"></span>
|
||||
<a name="l00201"></a>00201 state_in = __PKHBT(state_in >> 16, in, 16);
|
||||
<a name="l00202"></a>00202 state_out = __PKHBT(state_out >> 16, out, 16);
|
||||
<a name="l00203"></a>00203
|
||||
<a name="l00204"></a>00204 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_BIG_ENDIAN */</span>
|
||||
<a name="l00205"></a>00205
|
||||
<a name="l00206"></a>00206
|
||||
<a name="l00207"></a>00207 <span class="comment">/* Decrement the loop counter */</span>
|
||||
<a name="l00208"></a>00208 sample--;
|
||||
<a name="l00209"></a>00209
|
||||
<a name="l00210"></a>00210 }
|
||||
<a name="l00211"></a>00211
|
||||
<a name="l00212"></a>00212 <span class="comment">/* If the blockSize is not a multiple of 2, compute any remaining output samples here. </span>
|
||||
<a name="l00213"></a>00213 <span class="comment"> ** No loop unrolling is used. */</span>
|
||||
<a name="l00214"></a>00214
|
||||
<a name="l00215"></a>00215 <span class="keywordflow">if</span>((blockSize & 0x1u) != 0u)
|
||||
<a name="l00216"></a>00216 {
|
||||
<a name="l00217"></a>00217 <span class="comment">/* Read the input */</span>
|
||||
<a name="l00218"></a>00218 in = *pIn++;
|
||||
<a name="l00219"></a>00219
|
||||
<a name="l00220"></a>00220 <span class="comment">/* out = b0 * x[n] + 0 * 0 */</span>
|
||||
<a name="l00221"></a>00221
|
||||
<a name="l00222"></a>00222 <span class="preprocessor">#ifndef ARM_MATH_BIG_ENDIAN</span>
|
||||
<a name="l00223"></a>00223 <span class="preprocessor"></span>
|
||||
<a name="l00224"></a>00224 out = __SMUAD(b0, in);
|
||||
<a name="l00225"></a>00225
|
||||
<a name="l00226"></a>00226 <span class="preprocessor">#else</span>
|
||||
<a name="l00227"></a>00227 <span class="preprocessor"></span>
|
||||
<a name="l00228"></a>00228 out = __SMUADX(b0, in);
|
||||
<a name="l00229"></a>00229
|
||||
<a name="l00230"></a>00230 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_BIG_ENDIAN */</span>
|
||||
<a name="l00231"></a>00231
|
||||
<a name="l00232"></a>00232 <span class="comment">/* acc = b1 * x[n-1] + b2 * x[n-2] + out */</span>
|
||||
<a name="l00233"></a>00233 acc = __SMLALD(b1, state_in, out);
|
||||
<a name="l00234"></a>00234 <span class="comment">/* acc += a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00235"></a>00235 acc = __SMLALD(a1, state_out, acc);
|
||||
<a name="l00236"></a>00236
|
||||
<a name="l00237"></a>00237 <span class="comment">/* The result is converted from 3.29 to 1.31 if postShift = 1, and then saturation is applied */</span>
|
||||
<a name="l00238"></a>00238 out = __SSAT((acc >> shift), 16);
|
||||
<a name="l00239"></a>00239
|
||||
<a name="l00240"></a>00240 <span class="comment">/* Store the output in the destination buffer. */</span>
|
||||
<a name="l00241"></a>00241 *pOut++ = (<a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a>) out;
|
||||
<a name="l00242"></a>00242
|
||||
<a name="l00243"></a>00243 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00244"></a>00244 <span class="comment">/* The states should be updated as: */</span>
|
||||
<a name="l00245"></a>00245 <span class="comment">/* Xn2 = Xn1 */</span>
|
||||
<a name="l00246"></a>00246 <span class="comment">/* Xn1 = Xn */</span>
|
||||
<a name="l00247"></a>00247 <span class="comment">/* Yn2 = Yn1 */</span>
|
||||
<a name="l00248"></a>00248 <span class="comment">/* Yn1 = acc */</span>
|
||||
<a name="l00249"></a>00249 <span class="comment">/* x[n-N], x[n-N-1] are packed together to make state_in of type q31 */</span>
|
||||
<a name="l00250"></a>00250 <span class="comment">/* y[n-N], y[n-N-1] are packed together to make state_out of type q31 */</span>
|
||||
<a name="l00251"></a>00251
|
||||
<a name="l00252"></a>00252 <span class="preprocessor">#ifndef ARM_MATH_BIG_ENDIAN</span>
|
||||
<a name="l00253"></a>00253 <span class="preprocessor"></span>
|
||||
<a name="l00254"></a>00254 state_in = __PKHBT(in, state_in, 16);
|
||||
<a name="l00255"></a>00255 state_out = __PKHBT(out, state_out, 16);
|
||||
<a name="l00256"></a>00256
|
||||
<a name="l00257"></a>00257 <span class="preprocessor">#else</span>
|
||||
<a name="l00258"></a>00258 <span class="preprocessor"></span>
|
||||
<a name="l00259"></a>00259 state_in = __PKHBT(state_in >> 16, in, 16);
|
||||
<a name="l00260"></a>00260 state_out = __PKHBT(state_out >> 16, out, 16);
|
||||
<a name="l00261"></a>00261
|
||||
<a name="l00262"></a>00262 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_BIG_ENDIAN */</span>
|
||||
<a name="l00263"></a>00263
|
||||
<a name="l00264"></a>00264 }
|
||||
<a name="l00265"></a>00265
|
||||
<a name="l00266"></a>00266 <span class="comment">/* The first stage goes from the input wire to the output wire. */</span>
|
||||
<a name="l00267"></a>00267 <span class="comment">/* Subsequent numStages occur in-place in the output wire */</span>
|
||||
<a name="l00268"></a>00268 pIn = pDst;
|
||||
<a name="l00269"></a>00269
|
||||
<a name="l00270"></a>00270 <span class="comment">/* Reset the output pointer */</span>
|
||||
<a name="l00271"></a>00271 pOut = pDst;
|
||||
<a name="l00272"></a>00272
|
||||
<a name="l00273"></a>00273 <span class="comment">/* Store the updated state variables back into the state array */</span>
|
||||
<a name="l00274"></a>00274 *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pState)++ = state_in;
|
||||
<a name="l00275"></a>00275 *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pState)++ = state_out;
|
||||
<a name="l00276"></a>00276
|
||||
<a name="l00277"></a>00277
|
||||
<a name="l00278"></a>00278 <span class="comment">/* Decrement the loop counter */</span>
|
||||
<a name="l00279"></a>00279 stage--;
|
||||
<a name="l00280"></a>00280
|
||||
<a name="l00281"></a>00281 } <span class="keywordflow">while</span>(stage > 0u);
|
||||
<a name="l00282"></a>00282
|
||||
<a name="l00283"></a>00283 <span class="preprocessor">#else</span>
|
||||
<a name="l00284"></a>00284 <span class="preprocessor"></span>
|
||||
<a name="l00285"></a>00285 <span class="comment">/* Run the below code for Cortex-M0 */</span>
|
||||
<a name="l00286"></a>00286
|
||||
<a name="l00287"></a>00287 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> *pIn = pSrc; <span class="comment">/* Source pointer */</span>
|
||||
<a name="l00288"></a>00288 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> *pOut = pDst; <span class="comment">/* Destination pointer */</span>
|
||||
<a name="l00289"></a>00289 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> b0, b1, b2, a1, a2; <span class="comment">/* Filter coefficients */</span>
|
||||
<a name="l00290"></a>00290 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> Xn1, Xn2, Yn1, Yn2; <span class="comment">/* Filter state variables */</span>
|
||||
<a name="l00291"></a>00291 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> Xn; <span class="comment">/* temporary input */</span>
|
||||
<a name="l00292"></a>00292 <a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a> acc; <span class="comment">/* Accumulator */</span>
|
||||
<a name="l00293"></a>00293 int32_t shift = (15 - (int32_t) S->postShift); <span class="comment">/* Post shift */</span>
|
||||
<a name="l00294"></a>00294 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> *pState = S->pState; <span class="comment">/* State pointer */</span>
|
||||
<a name="l00295"></a>00295 <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> *pCoeffs = S->pCoeffs; <span class="comment">/* Coefficient pointer */</span>
|
||||
<a name="l00296"></a>00296 uint32_t sample, stage = (uint32_t) S->numStages; <span class="comment">/* Stage loop counter */</span>
|
||||
<a name="l00297"></a>00297
|
||||
<a name="l00298"></a>00298 <span class="keywordflow">do</span>
|
||||
<a name="l00299"></a>00299 {
|
||||
<a name="l00300"></a>00300 <span class="comment">/* Reading the coefficients */</span>
|
||||
<a name="l00301"></a>00301 b0 = *pCoeffs++;
|
||||
<a name="l00302"></a>00302 b1 = *pCoeffs++;
|
||||
<a name="l00303"></a>00303 b2 = *pCoeffs++;
|
||||
<a name="l00304"></a>00304 a1 = *pCoeffs++;
|
||||
<a name="l00305"></a>00305 a2 = *pCoeffs++;
|
||||
<a name="l00306"></a>00306
|
||||
<a name="l00307"></a>00307 <span class="comment">/* Reading the state values */</span>
|
||||
<a name="l00308"></a>00308 Xn1 = pState[0];
|
||||
<a name="l00309"></a>00309 Xn2 = pState[1];
|
||||
<a name="l00310"></a>00310 Yn1 = pState[2];
|
||||
<a name="l00311"></a>00311 Yn2 = pState[3];
|
||||
<a name="l00312"></a>00312
|
||||
<a name="l00313"></a>00313 <span class="comment">/* The variables acc holds the output value that is computed: </span>
|
||||
<a name="l00314"></a>00314 <span class="comment"> * acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] </span>
|
||||
<a name="l00315"></a>00315 <span class="comment"> */</span>
|
||||
<a name="l00316"></a>00316
|
||||
<a name="l00317"></a>00317 sample = <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>;
|
||||
<a name="l00318"></a>00318
|
||||
<a name="l00319"></a>00319 <span class="keywordflow">while</span>(sample > 0u)
|
||||
<a name="l00320"></a>00320 {
|
||||
<a name="l00321"></a>00321 <span class="comment">/* Read the input */</span>
|
||||
<a name="l00322"></a>00322 Xn = *pIn++;
|
||||
<a name="l00323"></a>00323
|
||||
<a name="l00324"></a>00324 <span class="comment">/* acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00325"></a>00325 <span class="comment">/* acc = b0 * x[n] */</span>
|
||||
<a name="l00326"></a>00326 acc = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) b0 *Xn;
|
||||
<a name="l00327"></a>00327
|
||||
<a name="l00328"></a>00328 <span class="comment">/* acc += b1 * x[n-1] */</span>
|
||||
<a name="l00329"></a>00329 acc += (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) b1 *Xn1;
|
||||
<a name="l00330"></a>00330 <span class="comment">/* acc += b[2] * x[n-2] */</span>
|
||||
<a name="l00331"></a>00331 acc += (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) b2 *Xn2;
|
||||
<a name="l00332"></a>00332 <span class="comment">/* acc += a1 * y[n-1] */</span>
|
||||
<a name="l00333"></a>00333 acc += (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) a1 *Yn1;
|
||||
<a name="l00334"></a>00334 <span class="comment">/* acc += a2 * y[n-2] */</span>
|
||||
<a name="l00335"></a>00335 acc += (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) a2 *Yn2;
|
||||
<a name="l00336"></a>00336
|
||||
<a name="l00337"></a>00337 <span class="comment">/* The result is converted to 1.31 */</span>
|
||||
<a name="l00338"></a>00338 acc = __SSAT((acc >> shift), 16);
|
||||
<a name="l00339"></a>00339
|
||||
<a name="l00340"></a>00340 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00341"></a>00341 <span class="comment">/* The states should be updated as: */</span>
|
||||
<a name="l00342"></a>00342 <span class="comment">/* Xn2 = Xn1 */</span>
|
||||
<a name="l00343"></a>00343 <span class="comment">/* Xn1 = Xn */</span>
|
||||
<a name="l00344"></a>00344 <span class="comment">/* Yn2 = Yn1 */</span>
|
||||
<a name="l00345"></a>00345 <span class="comment">/* Yn1 = acc */</span>
|
||||
<a name="l00346"></a>00346 Xn2 = Xn1;
|
||||
<a name="l00347"></a>00347 Xn1 = Xn;
|
||||
<a name="l00348"></a>00348 Yn2 = Yn1;
|
||||
<a name="l00349"></a>00349 Yn1 = (<a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a>) acc;
|
||||
<a name="l00350"></a>00350
|
||||
<a name="l00351"></a>00351 <span class="comment">/* Store the output in the destination buffer. */</span>
|
||||
<a name="l00352"></a>00352 *pOut++ = (<a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a>) acc;
|
||||
<a name="l00353"></a>00353
|
||||
<a name="l00354"></a>00354 <span class="comment">/* decrement the loop counter */</span>
|
||||
<a name="l00355"></a>00355 sample--;
|
||||
<a name="l00356"></a>00356 }
|
||||
<a name="l00357"></a>00357
|
||||
<a name="l00358"></a>00358 <span class="comment">/* The first stage goes from the input buffer to the output buffer. */</span>
|
||||
<a name="l00359"></a>00359 <span class="comment">/* Subsequent stages occur in-place in the output buffer */</span>
|
||||
<a name="l00360"></a>00360 pIn = pDst;
|
||||
<a name="l00361"></a>00361
|
||||
<a name="l00362"></a>00362 <span class="comment">/* Reset to destination pointer */</span>
|
||||
<a name="l00363"></a>00363 pOut = pDst;
|
||||
<a name="l00364"></a>00364
|
||||
<a name="l00365"></a>00365 <span class="comment">/* Store the updated state variables back into the pState array */</span>
|
||||
<a name="l00366"></a>00366 *pState++ = Xn1;
|
||||
<a name="l00367"></a>00367 *pState++ = Xn2;
|
||||
<a name="l00368"></a>00368 *pState++ = Yn1;
|
||||
<a name="l00369"></a>00369 *pState++ = Yn2;
|
||||
<a name="l00370"></a>00370
|
||||
<a name="l00371"></a>00371 } <span class="keywordflow">while</span>(--stage);
|
||||
<a name="l00372"></a>00372
|
||||
<a name="l00373"></a>00373 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_CM0 */</span>
|
||||
<a name="l00374"></a>00374
|
||||
<a name="l00375"></a>00375 }
|
||||
<a name="l00376"></a>00376
|
||||
<a name="l00377"></a>00377
|
||||
</pre></div></div>
|
||||
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<h1>arm_biquad_cascade_df1_q31.c File Reference</h1> </div>
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<code>#include "<a class="el" href="arm__math_8h_source.html">arm_math.h</a>"</code><br/>
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<p><a href="arm__biquad__cascade__df1__q31_8c_source.html">Go to the source code of this file.</a></p>
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Functions</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___biquad_cascade_d_f1.html#ga27b0c54da702713976e5202d20b4473f">arm_biquad_cascade_df1_q31</a> (const <a class="el" href="structarm__biquad__casd__df1__inst__q31.html">arm_biquad_casd_df1_inst_q31</a> *S, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrc, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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<h1>arm_biquad_cascade_df1_q31.c</h1> </div>
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||||
<a href="arm__biquad__cascade__df1__q31_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* ---------------------------------------------------------------------- </span>
|
||||
<a name="l00002"></a>00002 <span class="comment">* Copyright (C) 2010 ARM Limited. All rights reserved. </span>
|
||||
<a name="l00003"></a>00003 <span class="comment">* </span>
|
||||
<a name="l00004"></a>00004 <span class="comment">* $Date: 15. July 2011 </span>
|
||||
<a name="l00005"></a>00005 <span class="comment">* $Revision: V1.0.10 </span>
|
||||
<a name="l00006"></a>00006 <span class="comment">* </span>
|
||||
<a name="l00007"></a>00007 <span class="comment">* Project: CMSIS DSP Library </span>
|
||||
<a name="l00008"></a>00008 <span class="comment">* Title: arm_biquad_cascade_df1_q31.c </span>
|
||||
<a name="l00009"></a>00009 <span class="comment">* </span>
|
||||
<a name="l00010"></a>00010 <span class="comment">* Description: Processing function for the </span>
|
||||
<a name="l00011"></a>00011 <span class="comment">* Q31 Biquad cascade filter </span>
|
||||
<a name="l00012"></a>00012 <span class="comment">* </span>
|
||||
<a name="l00013"></a>00013 <span class="comment">* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0</span>
|
||||
<a name="l00014"></a>00014 <span class="comment">* </span>
|
||||
<a name="l00015"></a>00015 <span class="comment">* Version 1.0.10 2011/7/15 </span>
|
||||
<a name="l00016"></a>00016 <span class="comment">* Big Endian support added and Merged M0 and M3/M4 Source code. </span>
|
||||
<a name="l00017"></a>00017 <span class="comment">* </span>
|
||||
<a name="l00018"></a>00018 <span class="comment">* Version 1.0.3 2010/11/29 </span>
|
||||
<a name="l00019"></a>00019 <span class="comment">* Re-organized the CMSIS folders and updated documentation. </span>
|
||||
<a name="l00020"></a>00020 <span class="comment">* </span>
|
||||
<a name="l00021"></a>00021 <span class="comment">* Version 1.0.2 2010/11/11 </span>
|
||||
<a name="l00022"></a>00022 <span class="comment">* Documentation updated. </span>
|
||||
<a name="l00023"></a>00023 <span class="comment">* </span>
|
||||
<a name="l00024"></a>00024 <span class="comment">* Version 1.0.1 2010/10/05 </span>
|
||||
<a name="l00025"></a>00025 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00026"></a>00026 <span class="comment">* </span>
|
||||
<a name="l00027"></a>00027 <span class="comment">* Version 1.0.0 2010/09/20 </span>
|
||||
<a name="l00028"></a>00028 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00029"></a>00029 <span class="comment">* </span>
|
||||
<a name="l00030"></a>00030 <span class="comment">* Version 0.0.5 2010/04/26 </span>
|
||||
<a name="l00031"></a>00031 <span class="comment">* incorporated review comments and updated with latest CMSIS layer </span>
|
||||
<a name="l00032"></a>00032 <span class="comment">* </span>
|
||||
<a name="l00033"></a>00033 <span class="comment">* Version 0.0.3 2010/03/10 </span>
|
||||
<a name="l00034"></a>00034 <span class="comment">* Initial version </span>
|
||||
<a name="l00035"></a>00035 <span class="comment">* -------------------------------------------------------------------- */</span>
|
||||
<a name="l00036"></a>00036
|
||||
<a name="l00037"></a>00037 <span class="preprocessor">#include "<a class="code" href="arm__math_8h.html">arm_math.h</a>"</span>
|
||||
<a name="l00038"></a>00038
|
||||
<a name="l00069"></a><a class="code" href="group___biquad_cascade_d_f1.html#ga27b0c54da702713976e5202d20b4473f">00069</a> <span class="keywordtype">void</span> <a class="code" href="group___biquad_cascade_d_f1.html#ga27b0c54da702713976e5202d20b4473f" title="Processing function for the Q31 Biquad cascade filter.">arm_biquad_cascade_df1_q31</a>(
|
||||
<a name="l00070"></a>00070 <span class="keyword">const</span> <a class="code" href="structarm__biquad__casd__df1__inst__q31.html" title="Instance structure for the Q31 Biquad cascade filter.">arm_biquad_casd_df1_inst_q31</a> * S,
|
||||
<a name="l00071"></a>00071 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> * pSrc,
|
||||
<a name="l00072"></a>00072 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> * pDst,
|
||||
<a name="l00073"></a>00073 uint32_t <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)
|
||||
<a name="l00074"></a>00074 {
|
||||
<a name="l00075"></a>00075 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> *pIn = pSrc; <span class="comment">/* input pointer initialization */</span>
|
||||
<a name="l00076"></a>00076 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> *pOut = pDst; <span class="comment">/* output pointer initialization */</span>
|
||||
<a name="l00077"></a>00077 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> *pState = S-><a class="code" href="structarm__biquad__casd__df1__inst__q31.html#a5dcf4727f58eb4e8e8b392508d8657bb">pState</a>; <span class="comment">/* pState pointer initialization */</span>
|
||||
<a name="l00078"></a>00078 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> *pCoeffs = S-><a class="code" href="structarm__biquad__casd__df1__inst__q31.html#aa62366c632f3b5305086f841f079dbd2">pCoeffs</a>; <span class="comment">/* coeff pointer initialization */</span>
|
||||
<a name="l00079"></a>00079 <a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a> acc; <span class="comment">/* accumulator */</span>
|
||||
<a name="l00080"></a>00080 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> Xn1, Xn2, Yn1, Yn2; <span class="comment">/* Filter state variables */</span>
|
||||
<a name="l00081"></a>00081 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> b0, b1, b2, a1, a2; <span class="comment">/* Filter coefficients */</span>
|
||||
<a name="l00082"></a>00082 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> Xn; <span class="comment">/* temporary input */</span>
|
||||
<a name="l00083"></a>00083 uint32_t shift = 32u - ((uint32_t) S-><a class="code" href="structarm__biquad__casd__df1__inst__q31.html#a636c7fbe09ec4bef0bc0a4b4e2151cbe">postShift</a> + 1u); <span class="comment">/* Shift to be applied to the output */</span>
|
||||
<a name="l00084"></a>00084 uint32_t sample, stage = S-><a class="code" href="structarm__biquad__casd__df1__inst__q31.html#a2c2b579f1df1d8273a5d9d945c27e1b2">numStages</a>; <span class="comment">/* loop counters */</span>
|
||||
<a name="l00085"></a>00085
|
||||
<a name="l00086"></a>00086
|
||||
<a name="l00087"></a>00087 <span class="preprocessor">#ifndef ARM_MATH_CM0</span>
|
||||
<a name="l00088"></a>00088 <span class="preprocessor"></span>
|
||||
<a name="l00089"></a>00089 <span class="comment">/* Run the below code for Cortex-M4 and Cortex-M3 */</span>
|
||||
<a name="l00090"></a>00090
|
||||
<a name="l00091"></a>00091 <span class="keywordflow">do</span>
|
||||
<a name="l00092"></a>00092 {
|
||||
<a name="l00093"></a>00093 <span class="comment">/* Reading the coefficients */</span>
|
||||
<a name="l00094"></a>00094 b0 = *pCoeffs++;
|
||||
<a name="l00095"></a>00095 b1 = *pCoeffs++;
|
||||
<a name="l00096"></a>00096 b2 = *pCoeffs++;
|
||||
<a name="l00097"></a>00097 a1 = *pCoeffs++;
|
||||
<a name="l00098"></a>00098 a2 = *pCoeffs++;
|
||||
<a name="l00099"></a>00099
|
||||
<a name="l00100"></a>00100 <span class="comment">/* Reading the state values */</span>
|
||||
<a name="l00101"></a>00101 Xn1 = pState[0];
|
||||
<a name="l00102"></a>00102 Xn2 = pState[1];
|
||||
<a name="l00103"></a>00103 Yn1 = pState[2];
|
||||
<a name="l00104"></a>00104 Yn2 = pState[3];
|
||||
<a name="l00105"></a>00105
|
||||
<a name="l00106"></a>00106 <span class="comment">/* Apply loop unrolling and compute 4 output values simultaneously. */</span>
|
||||
<a name="l00107"></a>00107 <span class="comment">/* The variable acc hold output values that are being computed: </span>
|
||||
<a name="l00108"></a>00108 <span class="comment"> * </span>
|
||||
<a name="l00109"></a>00109 <span class="comment"> * acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] </span>
|
||||
<a name="l00110"></a>00110 <span class="comment"> */</span>
|
||||
<a name="l00111"></a>00111
|
||||
<a name="l00112"></a>00112 sample = blockSize >> 2u;
|
||||
<a name="l00113"></a>00113
|
||||
<a name="l00114"></a>00114 <span class="comment">/* First part of the processing with loop unrolling. Compute 4 outputs at a time. </span>
|
||||
<a name="l00115"></a>00115 <span class="comment"> ** a second loop below computes the remaining 1 to 3 samples. */</span>
|
||||
<a name="l00116"></a>00116 <span class="keywordflow">while</span>(sample > 0u)
|
||||
<a name="l00117"></a>00117 {
|
||||
<a name="l00118"></a>00118 <span class="comment">/* Read the input */</span>
|
||||
<a name="l00119"></a>00119 Xn = *pIn++;
|
||||
<a name="l00120"></a>00120
|
||||
<a name="l00121"></a>00121 <span class="comment">/* acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00122"></a>00122
|
||||
<a name="l00123"></a>00123 <span class="comment">/* acc = b0 * x[n] */</span>
|
||||
<a name="l00124"></a>00124 acc = (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) b0 *Xn;
|
||||
<a name="l00125"></a>00125 <span class="comment">/* acc += b1 * x[n-1] */</span>
|
||||
<a name="l00126"></a>00126 acc += (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) b1 *Xn1;
|
||||
<a name="l00127"></a>00127 <span class="comment">/* acc += b[2] * x[n-2] */</span>
|
||||
<a name="l00128"></a>00128 acc += (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) b2 *Xn2;
|
||||
<a name="l00129"></a>00129 <span class="comment">/* acc += a1 * y[n-1] */</span>
|
||||
<a name="l00130"></a>00130 acc += (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) a1 *Yn1;
|
||||
<a name="l00131"></a>00131 <span class="comment">/* acc += a2 * y[n-2] */</span>
|
||||
<a name="l00132"></a>00132 acc += (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) a2 *Yn2;
|
||||
<a name="l00133"></a>00133
|
||||
<a name="l00134"></a>00134 <span class="comment">/* The result is converted to 1.31 , Yn2 variable is reused */</span>
|
||||
<a name="l00135"></a>00135 Yn2 = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) (acc >> shift);
|
||||
<a name="l00136"></a>00136
|
||||
<a name="l00137"></a>00137 <span class="comment">/* Store the output in the destination buffer. */</span>
|
||||
<a name="l00138"></a>00138 *pOut++ = Yn2;
|
||||
<a name="l00139"></a>00139
|
||||
<a name="l00140"></a>00140 <span class="comment">/* Read the second input */</span>
|
||||
<a name="l00141"></a>00141 Xn2 = *pIn++;
|
||||
<a name="l00142"></a>00142
|
||||
<a name="l00143"></a>00143 <span class="comment">/* acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00144"></a>00144
|
||||
<a name="l00145"></a>00145 <span class="comment">/* acc = b0 * x[n] */</span>
|
||||
<a name="l00146"></a>00146 acc = (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) b0 *Xn2;
|
||||
<a name="l00147"></a>00147 <span class="comment">/* acc += b1 * x[n-1] */</span>
|
||||
<a name="l00148"></a>00148 acc += (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) b1 *Xn;
|
||||
<a name="l00149"></a>00149 <span class="comment">/* acc += b[2] * x[n-2] */</span>
|
||||
<a name="l00150"></a>00150 acc += (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) b2 *Xn1;
|
||||
<a name="l00151"></a>00151 <span class="comment">/* acc += a1 * y[n-1] */</span>
|
||||
<a name="l00152"></a>00152 acc += (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) a1 *Yn2;
|
||||
<a name="l00153"></a>00153 <span class="comment">/* acc += a2 * y[n-2] */</span>
|
||||
<a name="l00154"></a>00154 acc += (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) a2 *Yn1;
|
||||
<a name="l00155"></a>00155
|
||||
<a name="l00156"></a>00156
|
||||
<a name="l00157"></a>00157 <span class="comment">/* The result is converted to 1.31, Yn1 variable is reused */</span>
|
||||
<a name="l00158"></a>00158 Yn1 = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) (acc >> shift);
|
||||
<a name="l00159"></a>00159
|
||||
<a name="l00160"></a>00160 <span class="comment">/* Store the output in the destination buffer. */</span>
|
||||
<a name="l00161"></a>00161 *pOut++ = Yn1;
|
||||
<a name="l00162"></a>00162
|
||||
<a name="l00163"></a>00163 <span class="comment">/* Read the third input */</span>
|
||||
<a name="l00164"></a>00164 Xn1 = *pIn++;
|
||||
<a name="l00165"></a>00165
|
||||
<a name="l00166"></a>00166 <span class="comment">/* acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00167"></a>00167
|
||||
<a name="l00168"></a>00168 <span class="comment">/* acc = b0 * x[n] */</span>
|
||||
<a name="l00169"></a>00169 acc = (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) b0 *Xn1;
|
||||
<a name="l00170"></a>00170 <span class="comment">/* acc += b1 * x[n-1] */</span>
|
||||
<a name="l00171"></a>00171 acc += (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) b1 *Xn2;
|
||||
<a name="l00172"></a>00172 <span class="comment">/* acc += b[2] * x[n-2] */</span>
|
||||
<a name="l00173"></a>00173 acc += (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) b2 *Xn;
|
||||
<a name="l00174"></a>00174 <span class="comment">/* acc += a1 * y[n-1] */</span>
|
||||
<a name="l00175"></a>00175 acc += (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) a1 *Yn1;
|
||||
<a name="l00176"></a>00176 <span class="comment">/* acc += a2 * y[n-2] */</span>
|
||||
<a name="l00177"></a>00177 acc += (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) a2 *Yn2;
|
||||
<a name="l00178"></a>00178
|
||||
<a name="l00179"></a>00179 <span class="comment">/* The result is converted to 1.31, Yn2 variable is reused */</span>
|
||||
<a name="l00180"></a>00180 Yn2 = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) (acc >> shift);
|
||||
<a name="l00181"></a>00181
|
||||
<a name="l00182"></a>00182 <span class="comment">/* Store the output in the destination buffer. */</span>
|
||||
<a name="l00183"></a>00183 *pOut++ = Yn2;
|
||||
<a name="l00184"></a>00184
|
||||
<a name="l00185"></a>00185 <span class="comment">/* Read the forth input */</span>
|
||||
<a name="l00186"></a>00186 Xn = *pIn++;
|
||||
<a name="l00187"></a>00187
|
||||
<a name="l00188"></a>00188 <span class="comment">/* acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00189"></a>00189
|
||||
<a name="l00190"></a>00190 <span class="comment">/* acc = b0 * x[n] */</span>
|
||||
<a name="l00191"></a>00191 acc = (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) b0 *Xn;
|
||||
<a name="l00192"></a>00192 <span class="comment">/* acc += b1 * x[n-1] */</span>
|
||||
<a name="l00193"></a>00193 acc += (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) b1 *Xn1;
|
||||
<a name="l00194"></a>00194 <span class="comment">/* acc += b[2] * x[n-2] */</span>
|
||||
<a name="l00195"></a>00195 acc += (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) b2 *Xn2;
|
||||
<a name="l00196"></a>00196 <span class="comment">/* acc += a1 * y[n-1] */</span>
|
||||
<a name="l00197"></a>00197 acc += (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) a1 *Yn2;
|
||||
<a name="l00198"></a>00198 <span class="comment">/* acc += a2 * y[n-2] */</span>
|
||||
<a name="l00199"></a>00199 acc += (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) a2 *Yn1;
|
||||
<a name="l00200"></a>00200
|
||||
<a name="l00201"></a>00201 <span class="comment">/* The result is converted to 1.31, Yn1 variable is reused */</span>
|
||||
<a name="l00202"></a>00202 Yn1 = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) (acc >> shift);
|
||||
<a name="l00203"></a>00203
|
||||
<a name="l00204"></a>00204 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00205"></a>00205 <span class="comment">/* The states should be updated as: */</span>
|
||||
<a name="l00206"></a>00206 <span class="comment">/* Xn2 = Xn1 */</span>
|
||||
<a name="l00207"></a>00207 <span class="comment">/* Xn1 = Xn */</span>
|
||||
<a name="l00208"></a>00208 <span class="comment">/* Yn2 = Yn1 */</span>
|
||||
<a name="l00209"></a>00209 <span class="comment">/* Yn1 = acc */</span>
|
||||
<a name="l00210"></a>00210 Xn2 = Xn1;
|
||||
<a name="l00211"></a>00211 Xn1 = Xn;
|
||||
<a name="l00212"></a>00212
|
||||
<a name="l00213"></a>00213 <span class="comment">/* Store the output in the destination buffer. */</span>
|
||||
<a name="l00214"></a>00214 *pOut++ = Yn1;
|
||||
<a name="l00215"></a>00215
|
||||
<a name="l00216"></a>00216 <span class="comment">/* decrement the loop counter */</span>
|
||||
<a name="l00217"></a>00217 sample--;
|
||||
<a name="l00218"></a>00218 }
|
||||
<a name="l00219"></a>00219
|
||||
<a name="l00220"></a>00220 <span class="comment">/* If the blockSize is not a multiple of 4, compute any remaining output samples here. </span>
|
||||
<a name="l00221"></a>00221 <span class="comment"> ** No loop unrolling is used. */</span>
|
||||
<a name="l00222"></a>00222 sample = (blockSize & 0x3u);
|
||||
<a name="l00223"></a>00223
|
||||
<a name="l00224"></a>00224 <span class="keywordflow">while</span>(sample > 0u)
|
||||
<a name="l00225"></a>00225 {
|
||||
<a name="l00226"></a>00226 <span class="comment">/* Read the input */</span>
|
||||
<a name="l00227"></a>00227 Xn = *pIn++;
|
||||
<a name="l00228"></a>00228
|
||||
<a name="l00229"></a>00229 <span class="comment">/* acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00230"></a>00230
|
||||
<a name="l00231"></a>00231 <span class="comment">/* acc = b0 * x[n] */</span>
|
||||
<a name="l00232"></a>00232 acc = (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) b0 *Xn;
|
||||
<a name="l00233"></a>00233 <span class="comment">/* acc += b1 * x[n-1] */</span>
|
||||
<a name="l00234"></a>00234 acc += (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) b1 *Xn1;
|
||||
<a name="l00235"></a>00235 <span class="comment">/* acc += b[2] * x[n-2] */</span>
|
||||
<a name="l00236"></a>00236 acc += (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) b2 *Xn2;
|
||||
<a name="l00237"></a>00237 <span class="comment">/* acc += a1 * y[n-1] */</span>
|
||||
<a name="l00238"></a>00238 acc += (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) a1 *Yn1;
|
||||
<a name="l00239"></a>00239 <span class="comment">/* acc += a2 * y[n-2] */</span>
|
||||
<a name="l00240"></a>00240 acc += (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) a2 *Yn2;
|
||||
<a name="l00241"></a>00241
|
||||
<a name="l00242"></a>00242 <span class="comment">/* The result is converted to 1.31 */</span>
|
||||
<a name="l00243"></a>00243 acc = acc >> shift;
|
||||
<a name="l00244"></a>00244
|
||||
<a name="l00245"></a>00245 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00246"></a>00246 <span class="comment">/* The states should be updated as: */</span>
|
||||
<a name="l00247"></a>00247 <span class="comment">/* Xn2 = Xn1 */</span>
|
||||
<a name="l00248"></a>00248 <span class="comment">/* Xn1 = Xn */</span>
|
||||
<a name="l00249"></a>00249 <span class="comment">/* Yn2 = Yn1 */</span>
|
||||
<a name="l00250"></a>00250 <span class="comment">/* Yn1 = acc */</span>
|
||||
<a name="l00251"></a>00251 Xn2 = Xn1;
|
||||
<a name="l00252"></a>00252 Xn1 = Xn;
|
||||
<a name="l00253"></a>00253 Yn2 = Yn1;
|
||||
<a name="l00254"></a>00254 Yn1 = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) acc;
|
||||
<a name="l00255"></a>00255
|
||||
<a name="l00256"></a>00256 <span class="comment">/* Store the output in the destination buffer. */</span>
|
||||
<a name="l00257"></a>00257 *pOut++ = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) acc;
|
||||
<a name="l00258"></a>00258
|
||||
<a name="l00259"></a>00259 <span class="comment">/* decrement the loop counter */</span>
|
||||
<a name="l00260"></a>00260 sample--;
|
||||
<a name="l00261"></a>00261 }
|
||||
<a name="l00262"></a>00262
|
||||
<a name="l00263"></a>00263 <span class="comment">/* The first stage goes from the input buffer to the output buffer. */</span>
|
||||
<a name="l00264"></a>00264 <span class="comment">/* Subsequent stages occur in-place in the output buffer */</span>
|
||||
<a name="l00265"></a>00265 pIn = pDst;
|
||||
<a name="l00266"></a>00266
|
||||
<a name="l00267"></a>00267 <span class="comment">/* Reset to destination pointer */</span>
|
||||
<a name="l00268"></a>00268 pOut = pDst;
|
||||
<a name="l00269"></a>00269
|
||||
<a name="l00270"></a>00270 <span class="comment">/* Store the updated state variables back into the pState array */</span>
|
||||
<a name="l00271"></a>00271 *pState++ = Xn1;
|
||||
<a name="l00272"></a>00272 *pState++ = Xn2;
|
||||
<a name="l00273"></a>00273 *pState++ = Yn1;
|
||||
<a name="l00274"></a>00274 *pState++ = Yn2;
|
||||
<a name="l00275"></a>00275
|
||||
<a name="l00276"></a>00276 } <span class="keywordflow">while</span>(--stage);
|
||||
<a name="l00277"></a>00277
|
||||
<a name="l00278"></a>00278 <span class="preprocessor">#else</span>
|
||||
<a name="l00279"></a>00279 <span class="preprocessor"></span>
|
||||
<a name="l00280"></a>00280 <span class="comment">/* Run the below code for Cortex-M0 */</span>
|
||||
<a name="l00281"></a>00281
|
||||
<a name="l00282"></a>00282 <span class="keywordflow">do</span>
|
||||
<a name="l00283"></a>00283 {
|
||||
<a name="l00284"></a>00284 <span class="comment">/* Reading the coefficients */</span>
|
||||
<a name="l00285"></a>00285 b0 = *pCoeffs++;
|
||||
<a name="l00286"></a>00286 b1 = *pCoeffs++;
|
||||
<a name="l00287"></a>00287 b2 = *pCoeffs++;
|
||||
<a name="l00288"></a>00288 a1 = *pCoeffs++;
|
||||
<a name="l00289"></a>00289 a2 = *pCoeffs++;
|
||||
<a name="l00290"></a>00290
|
||||
<a name="l00291"></a>00291 <span class="comment">/* Reading the state values */</span>
|
||||
<a name="l00292"></a>00292 Xn1 = pState[0];
|
||||
<a name="l00293"></a>00293 Xn2 = pState[1];
|
||||
<a name="l00294"></a>00294 Yn1 = pState[2];
|
||||
<a name="l00295"></a>00295 Yn2 = pState[3];
|
||||
<a name="l00296"></a>00296
|
||||
<a name="l00297"></a>00297 <span class="comment">/* The variables acc holds the output value that is computed: </span>
|
||||
<a name="l00298"></a>00298 <span class="comment"> * acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] </span>
|
||||
<a name="l00299"></a>00299 <span class="comment"> */</span>
|
||||
<a name="l00300"></a>00300
|
||||
<a name="l00301"></a>00301 sample = <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>;
|
||||
<a name="l00302"></a>00302
|
||||
<a name="l00303"></a>00303 <span class="keywordflow">while</span>(sample > 0u)
|
||||
<a name="l00304"></a>00304 {
|
||||
<a name="l00305"></a>00305 <span class="comment">/* Read the input */</span>
|
||||
<a name="l00306"></a>00306 Xn = *pIn++;
|
||||
<a name="l00307"></a>00307
|
||||
<a name="l00308"></a>00308 <span class="comment">/* acc = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */</span>
|
||||
<a name="l00309"></a>00309 <span class="comment">/* acc = b0 * x[n] */</span>
|
||||
<a name="l00310"></a>00310 acc = (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) b0 *Xn;
|
||||
<a name="l00311"></a>00311
|
||||
<a name="l00312"></a>00312 <span class="comment">/* acc += b1 * x[n-1] */</span>
|
||||
<a name="l00313"></a>00313 acc += (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) b1 *Xn1;
|
||||
<a name="l00314"></a>00314 <span class="comment">/* acc += b[2] * x[n-2] */</span>
|
||||
<a name="l00315"></a>00315 acc += (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) b2 *Xn2;
|
||||
<a name="l00316"></a>00316 <span class="comment">/* acc += a1 * y[n-1] */</span>
|
||||
<a name="l00317"></a>00317 acc += (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) a1 *Yn1;
|
||||
<a name="l00318"></a>00318 <span class="comment">/* acc += a2 * y[n-2] */</span>
|
||||
<a name="l00319"></a>00319 acc += (<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) a2 *Yn2;
|
||||
<a name="l00320"></a>00320
|
||||
<a name="l00321"></a>00321 <span class="comment">/* The result is converted to 1.31 */</span>
|
||||
<a name="l00322"></a>00322 acc = acc >> shift;
|
||||
<a name="l00323"></a>00323
|
||||
<a name="l00324"></a>00324 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00325"></a>00325 <span class="comment">/* The states should be updated as: */</span>
|
||||
<a name="l00326"></a>00326 <span class="comment">/* Xn2 = Xn1 */</span>
|
||||
<a name="l00327"></a>00327 <span class="comment">/* Xn1 = Xn */</span>
|
||||
<a name="l00328"></a>00328 <span class="comment">/* Yn2 = Yn1 */</span>
|
||||
<a name="l00329"></a>00329 <span class="comment">/* Yn1 = acc */</span>
|
||||
<a name="l00330"></a>00330 Xn2 = Xn1;
|
||||
<a name="l00331"></a>00331 Xn1 = Xn;
|
||||
<a name="l00332"></a>00332 Yn2 = Yn1;
|
||||
<a name="l00333"></a>00333 Yn1 = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) acc;
|
||||
<a name="l00334"></a>00334
|
||||
<a name="l00335"></a>00335 <span class="comment">/* Store the output in the destination buffer. */</span>
|
||||
<a name="l00336"></a>00336 *pOut++ = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) acc;
|
||||
<a name="l00337"></a>00337
|
||||
<a name="l00338"></a>00338 <span class="comment">/* decrement the loop counter */</span>
|
||||
<a name="l00339"></a>00339 sample--;
|
||||
<a name="l00340"></a>00340 }
|
||||
<a name="l00341"></a>00341
|
||||
<a name="l00342"></a>00342 <span class="comment">/* The first stage goes from the input buffer to the output buffer. */</span>
|
||||
<a name="l00343"></a>00343 <span class="comment">/* Subsequent stages occur in-place in the output buffer */</span>
|
||||
<a name="l00344"></a>00344 pIn = pDst;
|
||||
<a name="l00345"></a>00345
|
||||
<a name="l00346"></a>00346 <span class="comment">/* Reset to destination pointer */</span>
|
||||
<a name="l00347"></a>00347 pOut = pDst;
|
||||
<a name="l00348"></a>00348
|
||||
<a name="l00349"></a>00349 <span class="comment">/* Store the updated state variables back into the pState array */</span>
|
||||
<a name="l00350"></a>00350 *pState++ = Xn1;
|
||||
<a name="l00351"></a>00351 *pState++ = Xn2;
|
||||
<a name="l00352"></a>00352 *pState++ = Yn1;
|
||||
<a name="l00353"></a>00353 *pState++ = Yn2;
|
||||
<a name="l00354"></a>00354
|
||||
<a name="l00355"></a>00355 } <span class="keywordflow">while</span>(--stage);
|
||||
<a name="l00356"></a>00356
|
||||
<a name="l00357"></a>00357 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_CM0 */</span>
|
||||
<a name="l00358"></a>00358 }
|
||||
<a name="l00359"></a>00359
|
||||
</pre></div></div>
|
||||
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<h1>arm_biquad_cascade_df2T_f32.c File Reference</h1> </div>
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<code>#include "<a class="el" href="arm__math_8h_source.html">arm_math.h</a>"</code><br/>
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<p><a href="arm__biquad__cascade__df2_t__f32_8c_source.html">Go to the source code of this file.</a></p>
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Functions</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___biquad_cascade_d_f2_t.html#ga646c25998bf35991c60299b1431460f7">arm_biquad_cascade_df2T_f32</a> (const <a class="el" href="structarm__biquad__cascade__df2_t__instance__f32.html">arm_biquad_cascade_df2T_instance_f32</a> *S, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrc, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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<h1>arm_biquad_cascade_df2T_f32.c</h1> </div>
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<a href="arm__biquad__cascade__df2_t__f32_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* ---------------------------------------------------------------------- </span>
|
||||
<a name="l00002"></a>00002 <span class="comment">* Copyright (C) 2010 ARM Limited. All rights reserved. </span>
|
||||
<a name="l00003"></a>00003 <span class="comment">* </span>
|
||||
<a name="l00004"></a>00004 <span class="comment">* $Date: 15. July 2011 </span>
|
||||
<a name="l00005"></a>00005 <span class="comment">* $Revision: V1.0.10 </span>
|
||||
<a name="l00006"></a>00006 <span class="comment">* </span>
|
||||
<a name="l00007"></a>00007 <span class="comment">* Project: CMSIS DSP Library </span>
|
||||
<a name="l00008"></a>00008 <span class="comment">* Title: arm_biquad_cascade_df2T_f32.c </span>
|
||||
<a name="l00009"></a>00009 <span class="comment">* </span>
|
||||
<a name="l00010"></a>00010 <span class="comment">* Description: Processing function for the floating-point transposed </span>
|
||||
<a name="l00011"></a>00011 <span class="comment">* direct form II Biquad cascade filter. </span>
|
||||
<a name="l00012"></a>00012 <span class="comment">* </span>
|
||||
<a name="l00013"></a>00013 <span class="comment">* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0</span>
|
||||
<a name="l00014"></a>00014 <span class="comment">* </span>
|
||||
<a name="l00015"></a>00015 <span class="comment">* Version 1.0.10 2011/7/15 </span>
|
||||
<a name="l00016"></a>00016 <span class="comment">* Big Endian support added and Merged M0 and M3/M4 Source code. </span>
|
||||
<a name="l00017"></a>00017 <span class="comment">* </span>
|
||||
<a name="l00018"></a>00018 <span class="comment">* Version 1.0.3 2010/11/29 </span>
|
||||
<a name="l00019"></a>00019 <span class="comment">* Re-organized the CMSIS folders and updated documentation. </span>
|
||||
<a name="l00020"></a>00020 <span class="comment">* </span>
|
||||
<a name="l00021"></a>00021 <span class="comment">* Version 1.0.2 2010/11/11 </span>
|
||||
<a name="l00022"></a>00022 <span class="comment">* Documentation updated. </span>
|
||||
<a name="l00023"></a>00023 <span class="comment">* </span>
|
||||
<a name="l00024"></a>00024 <span class="comment">* Version 1.0.1 2010/10/05 </span>
|
||||
<a name="l00025"></a>00025 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00026"></a>00026 <span class="comment">* </span>
|
||||
<a name="l00027"></a>00027 <span class="comment">* Version 1.0.0 2010/09/20 </span>
|
||||
<a name="l00028"></a>00028 <span class="comment">* Production release and review comments incorporated </span>
|
||||
<a name="l00029"></a>00029 <span class="comment">* </span>
|
||||
<a name="l00030"></a>00030 <span class="comment">* Version 0.0.7 2010/06/10 </span>
|
||||
<a name="l00031"></a>00031 <span class="comment">* Misra-C changes done </span>
|
||||
<a name="l00032"></a>00032 <span class="comment">* -------------------------------------------------------------------- */</span>
|
||||
<a name="l00033"></a>00033
|
||||
<a name="l00034"></a>00034 <span class="preprocessor">#include "<a class="code" href="arm__math_8h.html">arm_math.h</a>"</span>
|
||||
<a name="l00035"></a>00035
|
||||
<a name="l00143"></a><a class="code" href="group___biquad_cascade_d_f2_t.html#ga646c25998bf35991c60299b1431460f7">00143</a> <span class="keywordtype">void</span> <a class="code" href="group___biquad_cascade_d_f2_t.html#ga646c25998bf35991c60299b1431460f7" title="Processing function for the floating-point transposed direct form II Biquad cascade filter...">arm_biquad_cascade_df2T_f32</a>(
|
||||
<a name="l00144"></a>00144 <span class="keyword">const</span> <a class="code" href="structarm__biquad__cascade__df2_t__instance__f32.html" title="Instance structure for the floating-point transposed direct form II Biquad cascade filter...">arm_biquad_cascade_df2T_instance_f32</a> * S,
|
||||
<a name="l00145"></a>00145 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> * pSrc,
|
||||
<a name="l00146"></a>00146 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> * pDst,
|
||||
<a name="l00147"></a>00147 uint32_t <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)
|
||||
<a name="l00148"></a>00148 {
|
||||
<a name="l00149"></a>00149
|
||||
<a name="l00150"></a>00150 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> *pIn = pSrc; <span class="comment">/* source pointer */</span>
|
||||
<a name="l00151"></a>00151 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> *pOut = pDst; <span class="comment">/* destination pointer */</span>
|
||||
<a name="l00152"></a>00152 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> *pState = S-><a class="code" href="structarm__biquad__cascade__df2_t__instance__f32.html#a24d223addfd926a7177088cf2efe76b1">pState</a>; <span class="comment">/* State pointer */</span>
|
||||
<a name="l00153"></a>00153 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> *pCoeffs = S-><a class="code" href="structarm__biquad__cascade__df2_t__instance__f32.html#a49a24fe1b6ad3b0b26779c32d8d80b2e">pCoeffs</a>; <span class="comment">/* coefficient pointer */</span>
|
||||
<a name="l00154"></a>00154 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> acc0; <span class="comment">/* Simulates the accumulator */</span>
|
||||
<a name="l00155"></a>00155 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> b0, b1, b2, a1, a2; <span class="comment">/* Filter coefficients */</span>
|
||||
<a name="l00156"></a>00156 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> Xn; <span class="comment">/* temporary input */</span>
|
||||
<a name="l00157"></a>00157 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> d1, d2; <span class="comment">/* state variables */</span>
|
||||
<a name="l00158"></a>00158 uint32_t sample, stage = S-><a class="code" href="structarm__biquad__cascade__df2_t__instance__f32.html#a4d17958c33c3d0a905f974bac50f033f">numStages</a>; <span class="comment">/* loop counters */</span>
|
||||
<a name="l00159"></a>00159
|
||||
<a name="l00160"></a>00160
|
||||
<a name="l00161"></a>00161 <span class="preprocessor">#ifndef ARM_MATH_CM0</span>
|
||||
<a name="l00162"></a>00162 <span class="preprocessor"></span>
|
||||
<a name="l00163"></a>00163 <span class="comment">/* Run the below code for Cortex-M4 and Cortex-M3 */</span>
|
||||
<a name="l00164"></a>00164
|
||||
<a name="l00165"></a>00165 <span class="keywordflow">do</span>
|
||||
<a name="l00166"></a>00166 {
|
||||
<a name="l00167"></a>00167 <span class="comment">/* Reading the coefficients */</span>
|
||||
<a name="l00168"></a>00168 b0 = *pCoeffs++;
|
||||
<a name="l00169"></a>00169 b1 = *pCoeffs++;
|
||||
<a name="l00170"></a>00170 b2 = *pCoeffs++;
|
||||
<a name="l00171"></a>00171 a1 = *pCoeffs++;
|
||||
<a name="l00172"></a>00172 a2 = *pCoeffs++;
|
||||
<a name="l00173"></a>00173
|
||||
<a name="l00174"></a>00174 <span class="comment">/*Reading the state values */</span>
|
||||
<a name="l00175"></a>00175 d1 = pState[0];
|
||||
<a name="l00176"></a>00176 d2 = pState[1];
|
||||
<a name="l00177"></a>00177
|
||||
<a name="l00178"></a>00178 <span class="comment">/* Apply loop unrolling and compute 4 output values simultaneously. */</span>
|
||||
<a name="l00179"></a>00179 sample = blockSize >> 2u;
|
||||
<a name="l00180"></a>00180
|
||||
<a name="l00181"></a>00181 <span class="comment">/* First part of the processing with loop unrolling. Compute 4 outputs at a time. </span>
|
||||
<a name="l00182"></a>00182 <span class="comment"> ** a second loop below computes the remaining 1 to 3 samples. */</span>
|
||||
<a name="l00183"></a>00183 <span class="keywordflow">while</span>(sample > 0u)
|
||||
<a name="l00184"></a>00184 {
|
||||
<a name="l00185"></a>00185 <span class="comment">/* Read the first input */</span>
|
||||
<a name="l00186"></a>00186 Xn = *pIn++;
|
||||
<a name="l00187"></a>00187
|
||||
<a name="l00188"></a>00188 <span class="comment">/* y[n] = b0 * x[n] + d1 */</span>
|
||||
<a name="l00189"></a>00189 acc0 = (b0 * Xn) + d1;
|
||||
<a name="l00190"></a>00190
|
||||
<a name="l00191"></a>00191 <span class="comment">/* Store the result in the accumulator in the destination buffer. */</span>
|
||||
<a name="l00192"></a>00192 *pOut++ = acc0;
|
||||
<a name="l00193"></a>00193
|
||||
<a name="l00194"></a>00194 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00195"></a>00195 <span class="comment">/* d1 = b1 * x[n] + a1 * y[n] + d2 */</span>
|
||||
<a name="l00196"></a>00196 d1 = ((b1 * Xn) + (a1 * acc0)) + d2;
|
||||
<a name="l00197"></a>00197
|
||||
<a name="l00198"></a>00198 <span class="comment">/* d2 = b2 * x[n] + a2 * y[n] */</span>
|
||||
<a name="l00199"></a>00199 d2 = (b2 * Xn) + (a2 * acc0);
|
||||
<a name="l00200"></a>00200
|
||||
<a name="l00201"></a>00201 <span class="comment">/* Read the second input */</span>
|
||||
<a name="l00202"></a>00202 Xn = *pIn++;
|
||||
<a name="l00203"></a>00203
|
||||
<a name="l00204"></a>00204 <span class="comment">/* y[n] = b0 * x[n] + d1 */</span>
|
||||
<a name="l00205"></a>00205 acc0 = (b0 * Xn) + d1;
|
||||
<a name="l00206"></a>00206
|
||||
<a name="l00207"></a>00207 <span class="comment">/* Store the result in the accumulator in the destination buffer. */</span>
|
||||
<a name="l00208"></a>00208 *pOut++ = acc0;
|
||||
<a name="l00209"></a>00209
|
||||
<a name="l00210"></a>00210 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00211"></a>00211 <span class="comment">/* d1 = b1 * x[n] + a1 * y[n] + d2 */</span>
|
||||
<a name="l00212"></a>00212 d1 = ((b1 * Xn) + (a1 * acc0)) + d2;
|
||||
<a name="l00213"></a>00213
|
||||
<a name="l00214"></a>00214 <span class="comment">/* d2 = b2 * x[n] + a2 * y[n] */</span>
|
||||
<a name="l00215"></a>00215 d2 = (b2 * Xn) + (a2 * acc0);
|
||||
<a name="l00216"></a>00216
|
||||
<a name="l00217"></a>00217 <span class="comment">/* Read the third input */</span>
|
||||
<a name="l00218"></a>00218 Xn = *pIn++;
|
||||
<a name="l00219"></a>00219
|
||||
<a name="l00220"></a>00220 <span class="comment">/* y[n] = b0 * x[n] + d1 */</span>
|
||||
<a name="l00221"></a>00221 acc0 = (b0 * Xn) + d1;
|
||||
<a name="l00222"></a>00222
|
||||
<a name="l00223"></a>00223 <span class="comment">/* Store the result in the accumulator in the destination buffer. */</span>
|
||||
<a name="l00224"></a>00224 *pOut++ = acc0;
|
||||
<a name="l00225"></a>00225
|
||||
<a name="l00226"></a>00226 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00227"></a>00227 <span class="comment">/* d1 = b1 * x[n] + a1 * y[n] + d2 */</span>
|
||||
<a name="l00228"></a>00228 d1 = ((b1 * Xn) + (a1 * acc0)) + d2;
|
||||
<a name="l00229"></a>00229
|
||||
<a name="l00230"></a>00230 <span class="comment">/* d2 = b2 * x[n] + a2 * y[n] */</span>
|
||||
<a name="l00231"></a>00231 d2 = (b2 * Xn) + (a2 * acc0);
|
||||
<a name="l00232"></a>00232
|
||||
<a name="l00233"></a>00233 <span class="comment">/* Read the fourth input */</span>
|
||||
<a name="l00234"></a>00234 Xn = *pIn++;
|
||||
<a name="l00235"></a>00235
|
||||
<a name="l00236"></a>00236 <span class="comment">/* y[n] = b0 * x[n] + d1 */</span>
|
||||
<a name="l00237"></a>00237 acc0 = (b0 * Xn) + d1;
|
||||
<a name="l00238"></a>00238
|
||||
<a name="l00239"></a>00239 <span class="comment">/* Store the result in the accumulator in the destination buffer. */</span>
|
||||
<a name="l00240"></a>00240 *pOut++ = acc0;
|
||||
<a name="l00241"></a>00241
|
||||
<a name="l00242"></a>00242 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00243"></a>00243 <span class="comment">/* d1 = b1 * x[n] + a1 * y[n] + d2 */</span>
|
||||
<a name="l00244"></a>00244 d1 = (b1 * Xn) + (a1 * acc0) + d2;
|
||||
<a name="l00245"></a>00245
|
||||
<a name="l00246"></a>00246 <span class="comment">/* d2 = b2 * x[n] + a2 * y[n] */</span>
|
||||
<a name="l00247"></a>00247 d2 = (b2 * Xn) + (a2 * acc0);
|
||||
<a name="l00248"></a>00248
|
||||
<a name="l00249"></a>00249 <span class="comment">/* decrement the loop counter */</span>
|
||||
<a name="l00250"></a>00250 sample--;
|
||||
<a name="l00251"></a>00251
|
||||
<a name="l00252"></a>00252 }
|
||||
<a name="l00253"></a>00253
|
||||
<a name="l00254"></a>00254 <span class="comment">/* If the blockSize is not a multiple of 4, compute any remaining output samples here. </span>
|
||||
<a name="l00255"></a>00255 <span class="comment"> ** No loop unrolling is used. */</span>
|
||||
<a name="l00256"></a>00256 sample = blockSize & 0x3u;
|
||||
<a name="l00257"></a>00257
|
||||
<a name="l00258"></a>00258 <span class="keywordflow">while</span>(sample > 0u)
|
||||
<a name="l00259"></a>00259 {
|
||||
<a name="l00260"></a>00260 <span class="comment">/* Read the input */</span>
|
||||
<a name="l00261"></a>00261 Xn = *pIn++;
|
||||
<a name="l00262"></a>00262
|
||||
<a name="l00263"></a>00263 <span class="comment">/* y[n] = b0 * x[n] + d1 */</span>
|
||||
<a name="l00264"></a>00264 acc0 = (b0 * Xn) + d1;
|
||||
<a name="l00265"></a>00265
|
||||
<a name="l00266"></a>00266 <span class="comment">/* Store the result in the accumulator in the destination buffer. */</span>
|
||||
<a name="l00267"></a>00267 *pOut++ = acc0;
|
||||
<a name="l00268"></a>00268
|
||||
<a name="l00269"></a>00269 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00270"></a>00270 <span class="comment">/* d1 = b1 * x[n] + a1 * y[n] + d2 */</span>
|
||||
<a name="l00271"></a>00271 d1 = ((b1 * Xn) + (a1 * acc0)) + d2;
|
||||
<a name="l00272"></a>00272
|
||||
<a name="l00273"></a>00273 <span class="comment">/* d2 = b2 * x[n] + a2 * y[n] */</span>
|
||||
<a name="l00274"></a>00274 d2 = (b2 * Xn) + (a2 * acc0);
|
||||
<a name="l00275"></a>00275
|
||||
<a name="l00276"></a>00276 <span class="comment">/* decrement the loop counter */</span>
|
||||
<a name="l00277"></a>00277 sample--;
|
||||
<a name="l00278"></a>00278 }
|
||||
<a name="l00279"></a>00279
|
||||
<a name="l00280"></a>00280 <span class="comment">/* Store the updated state variables back into the state array */</span>
|
||||
<a name="l00281"></a>00281 *pState++ = d1;
|
||||
<a name="l00282"></a>00282 *pState++ = d2;
|
||||
<a name="l00283"></a>00283
|
||||
<a name="l00284"></a>00284 <span class="comment">/* The current stage input is given as the output to the next stage */</span>
|
||||
<a name="l00285"></a>00285 pIn = pDst;
|
||||
<a name="l00286"></a>00286
|
||||
<a name="l00287"></a>00287 <span class="comment">/*Reset the output working pointer */</span>
|
||||
<a name="l00288"></a>00288 pOut = pDst;
|
||||
<a name="l00289"></a>00289
|
||||
<a name="l00290"></a>00290 <span class="comment">/* decrement the loop counter */</span>
|
||||
<a name="l00291"></a>00291 stage--;
|
||||
<a name="l00292"></a>00292
|
||||
<a name="l00293"></a>00293 } <span class="keywordflow">while</span>(stage > 0u);
|
||||
<a name="l00294"></a>00294
|
||||
<a name="l00295"></a>00295 <span class="preprocessor">#else</span>
|
||||
<a name="l00296"></a>00296 <span class="preprocessor"></span>
|
||||
<a name="l00297"></a>00297 <span class="comment">/* Run the below code for Cortex-M0 */</span>
|
||||
<a name="l00298"></a>00298
|
||||
<a name="l00299"></a>00299 <span class="keywordflow">do</span>
|
||||
<a name="l00300"></a>00300 {
|
||||
<a name="l00301"></a>00301 <span class="comment">/* Reading the coefficients */</span>
|
||||
<a name="l00302"></a>00302 b0 = *pCoeffs++;
|
||||
<a name="l00303"></a>00303 b1 = *pCoeffs++;
|
||||
<a name="l00304"></a>00304 b2 = *pCoeffs++;
|
||||
<a name="l00305"></a>00305 a1 = *pCoeffs++;
|
||||
<a name="l00306"></a>00306 a2 = *pCoeffs++;
|
||||
<a name="l00307"></a>00307
|
||||
<a name="l00308"></a>00308 <span class="comment">/*Reading the state values */</span>
|
||||
<a name="l00309"></a>00309 d1 = pState[0];
|
||||
<a name="l00310"></a>00310 d2 = pState[1];
|
||||
<a name="l00311"></a>00311
|
||||
<a name="l00312"></a>00312
|
||||
<a name="l00313"></a>00313 sample = <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>;
|
||||
<a name="l00314"></a>00314
|
||||
<a name="l00315"></a>00315 <span class="keywordflow">while</span>(sample > 0u)
|
||||
<a name="l00316"></a>00316 {
|
||||
<a name="l00317"></a>00317 <span class="comment">/* Read the input */</span>
|
||||
<a name="l00318"></a>00318 Xn = *pIn++;
|
||||
<a name="l00319"></a>00319
|
||||
<a name="l00320"></a>00320 <span class="comment">/* y[n] = b0 * x[n] + d1 */</span>
|
||||
<a name="l00321"></a>00321 acc0 = (b0 * Xn) + d1;
|
||||
<a name="l00322"></a>00322
|
||||
<a name="l00323"></a>00323 <span class="comment">/* Store the result in the accumulator in the destination buffer. */</span>
|
||||
<a name="l00324"></a>00324 *pOut++ = acc0;
|
||||
<a name="l00325"></a>00325
|
||||
<a name="l00326"></a>00326 <span class="comment">/* Every time after the output is computed state should be updated. */</span>
|
||||
<a name="l00327"></a>00327 <span class="comment">/* d1 = b1 * x[n] + a1 * y[n] + d2 */</span>
|
||||
<a name="l00328"></a>00328 d1 = ((b1 * Xn) + (a1 * acc0)) + d2;
|
||||
<a name="l00329"></a>00329
|
||||
<a name="l00330"></a>00330 <span class="comment">/* d2 = b2 * x[n] + a2 * y[n] */</span>
|
||||
<a name="l00331"></a>00331 d2 = (b2 * Xn) + (a2 * acc0);
|
||||
<a name="l00332"></a>00332
|
||||
<a name="l00333"></a>00333 <span class="comment">/* decrement the loop counter */</span>
|
||||
<a name="l00334"></a>00334 sample--;
|
||||
<a name="l00335"></a>00335 }
|
||||
<a name="l00336"></a>00336
|
||||
<a name="l00337"></a>00337 <span class="comment">/* Store the updated state variables back into the state array */</span>
|
||||
<a name="l00338"></a>00338 *pState++ = d1;
|
||||
<a name="l00339"></a>00339 *pState++ = d2;
|
||||
<a name="l00340"></a>00340
|
||||
<a name="l00341"></a>00341 <span class="comment">/* The current stage input is given as the output to the next stage */</span>
|
||||
<a name="l00342"></a>00342 pIn = pDst;
|
||||
<a name="l00343"></a>00343
|
||||
<a name="l00344"></a>00344 <span class="comment">/*Reset the output working pointer */</span>
|
||||
<a name="l00345"></a>00345 pOut = pDst;
|
||||
<a name="l00346"></a>00346
|
||||
<a name="l00347"></a>00347 <span class="comment">/* decrement the loop counter */</span>
|
||||
<a name="l00348"></a>00348 stage--;
|
||||
<a name="l00349"></a>00349
|
||||
<a name="l00350"></a>00350 } <span class="keywordflow">while</span>(stage > 0u);
|
||||
<a name="l00351"></a>00351
|
||||
<a name="l00352"></a>00352 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_CM0 */</span>
|
||||
<a name="l00353"></a>00353
|
||||
<a name="l00354"></a>00354 }
|
||||
<a name="l00355"></a>00355
|
||||
<a name="l00356"></a>00356
|
||||
</pre></div></div>
|
||||
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||||
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<h1>arm_biquad_cascade_df2T_init_f32.c File Reference</h1> </div>
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<code>#include "<a class="el" href="arm__math_8h_source.html">arm_math.h</a>"</code><br/>
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<p><a href="arm__biquad__cascade__df2_t__init__f32_8c_source.html">Go to the source code of this file.</a></p>
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Functions</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___biquad_cascade_d_f2_t.html#ga70eaddf317a4a8bde6bd6a97df67fedd">arm_biquad_cascade_df2T_init_f32</a> (<a class="el" href="structarm__biquad__cascade__df2_t__instance__f32.html">arm_biquad_cascade_df2T_instance_f32</a> *S, uint8_t numStages, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pCoeffs, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pState)</td></tr>
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<a href="arm__biquad__cascade__df2_t__init__f32_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*----------------------------------------------------------------------------- </span>
|
||||
<a name="l00002"></a>00002 <span class="comment">* Copyright (C) 2010 ARM Limited. All rights reserved. </span>
|
||||
<a name="l00003"></a>00003 <span class="comment">* </span>
|
||||
<a name="l00004"></a>00004 <span class="comment">* $Date: 15. July 2011 </span>
|
||||
<a name="l00005"></a>00005 <span class="comment">* $Revision: V1.0.10 </span>
|
||||
<a name="l00006"></a>00006 <span class="comment">* </span>
|
||||
<a name="l00007"></a>00007 <span class="comment">* Project: CMSIS DSP Library </span>
|
||||
<a name="l00008"></a>00008 <span class="comment">* Title: arm_biquad_cascade_df2T_init_f32.c </span>
|
||||
<a name="l00009"></a>00009 <span class="comment">* </span>
|
||||
<a name="l00010"></a>00010 <span class="comment">* Description: Initialization function for the floating-point transposed </span>
|
||||
<a name="l00011"></a>00011 <span class="comment">* direct form II Biquad cascade filter. </span>
|
||||
<a name="l00012"></a>00012 <span class="comment">* </span>
|
||||
<a name="l00013"></a>00013 <span class="comment">* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0</span>
|
||||
<a name="l00014"></a>00014 <span class="comment">* </span>
|
||||
<a name="l00015"></a>00015 <span class="comment">* Version 1.0.10 2011/7/15 </span>
|
||||
<a name="l00016"></a>00016 <span class="comment">* Big Endian support added and Merged M0 and M3/M4 Source code. </span>
|
||||
<a name="l00017"></a>00017 <span class="comment">* </span>
|
||||
<a name="l00018"></a>00018 <span class="comment">* Version 1.0.3 2010/11/29 </span>
|
||||
<a name="l00019"></a>00019 <span class="comment">* Re-organized the CMSIS folders and updated documentation. </span>
|
||||
<a name="l00020"></a>00020 <span class="comment">* </span>
|
||||
<a name="l00021"></a>00021 <span class="comment">* Version 1.0.2 2010/11/11 </span>
|
||||
<a name="l00022"></a>00022 <span class="comment">* Documentation updated. </span>
|
||||
<a name="l00023"></a>00023 <span class="comment">* </span>
|
||||
<a name="l00024"></a>00024 <span class="comment">* Version 1.0.1 2010/10/05 </span>
|
||||
<a name="l00025"></a>00025 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00026"></a>00026 <span class="comment">* </span>
|
||||
<a name="l00027"></a>00027 <span class="comment">* Version 1.0.0 2010/09/20 </span>
|
||||
<a name="l00028"></a>00028 <span class="comment">* Production release and review comments incorporated </span>
|
||||
<a name="l00029"></a>00029 <span class="comment">* </span>
|
||||
<a name="l00030"></a>00030 <span class="comment">* Version 0.0.7 2010/06/10 </span>
|
||||
<a name="l00031"></a>00031 <span class="comment">* Misra-C changes done </span>
|
||||
<a name="l00032"></a>00032 <span class="comment">* ---------------------------------------------------------------------------*/</span>
|
||||
<a name="l00033"></a>00033
|
||||
<a name="l00034"></a>00034 <span class="preprocessor">#include "<a class="code" href="arm__math_8h.html">arm_math.h</a>"</span>
|
||||
<a name="l00035"></a>00035
|
||||
<a name="l00073"></a><a class="code" href="group___biquad_cascade_d_f2_t.html#ga70eaddf317a4a8bde6bd6a97df67fedd">00073</a> <span class="keywordtype">void</span> <a class="code" href="group___biquad_cascade_d_f2_t.html#ga70eaddf317a4a8bde6bd6a97df67fedd" title="Initialization function for the floating-point transposed direct form II Biquad cascade filter...">arm_biquad_cascade_df2T_init_f32</a>(
|
||||
<a name="l00074"></a>00074 <a class="code" href="structarm__biquad__cascade__df2_t__instance__f32.html" title="Instance structure for the floating-point transposed direct form II Biquad cascade filter...">arm_biquad_cascade_df2T_instance_f32</a> * S,
|
||||
<a name="l00075"></a>00075 uint8_t numStages,
|
||||
<a name="l00076"></a>00076 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> * pCoeffs,
|
||||
<a name="l00077"></a>00077 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> * pState)
|
||||
<a name="l00078"></a>00078 {
|
||||
<a name="l00079"></a>00079 <span class="comment">/* Assign filter stages */</span>
|
||||
<a name="l00080"></a>00080 S-><a class="code" href="structarm__biquad__cascade__df2_t__instance__f32.html#a4d17958c33c3d0a905f974bac50f033f">numStages</a> = numStages;
|
||||
<a name="l00081"></a>00081
|
||||
<a name="l00082"></a>00082 <span class="comment">/* Assign coefficient pointer */</span>
|
||||
<a name="l00083"></a>00083 S-><a class="code" href="structarm__biquad__cascade__df2_t__instance__f32.html#a49a24fe1b6ad3b0b26779c32d8d80b2e">pCoeffs</a> = pCoeffs;
|
||||
<a name="l00084"></a>00084
|
||||
<a name="l00085"></a>00085 <span class="comment">/* Clear state buffer and size is always 2 * numStages */</span>
|
||||
<a name="l00086"></a>00086 memset(pState, 0, (2u * (uint32_t) numStages) * <span class="keyword">sizeof</span>(<a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a>));
|
||||
<a name="l00087"></a>00087
|
||||
<a name="l00088"></a>00088 <span class="comment">/* Assign state pointer */</span>
|
||||
<a name="l00089"></a>00089 S-><a class="code" href="structarm__biquad__cascade__df2_t__instance__f32.html#a24d223addfd926a7177088cf2efe76b1">pState</a> = pState;
|
||||
<a name="l00090"></a>00090 }
|
||||
<a name="l00091"></a>00091
|
||||
</pre></div></div>
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||||
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<a href="#func-members">Functions</a> </div>
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<h1>arm_cfft_radix4_f32.c File Reference</h1> </div>
|
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<div class="contents">
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<code>#include "<a class="el" href="arm__math_8h_source.html">arm_math.h</a>"</code><br/>
|
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|
||||
<p><a href="arm__cfft__radix4__f32_8c_source.html">Go to the source code of this file.</a></p>
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<table class="memberdecls">
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<tr><td colspan="2"><h2><a name="func-members"></a>
|
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Functions</h2></td></tr>
|
||||
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___c_f_f_t___c_i_f_f_t.html#ga521f670cd9c571bc61aff9bec89f4c26">arm_cfft_radix4_f32</a> (const <a class="el" href="structarm__cfft__radix4__instance__f32.html">arm_cfft_radix4_instance_f32</a> *S, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrc)</td></tr>
|
||||
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__cfft__radix4__f32_8c.html#ae239ddf995d1607115f9e84d5c069b9c">arm_radix4_butterfly_f32</a> (<a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrc, uint16_t fftLen, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pCoef, uint16_t twidCoefModifier)</td></tr>
|
||||
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__cfft__radix4__f32_8c.html#a2a78df6e4bbf080624f2b6349224ec93">arm_radix4_butterfly_inverse_f32</a> (<a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrc, uint16_t fftLen, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pCoef, uint16_t twidCoefModifier, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> onebyfftLen)</td></tr>
|
||||
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__cfft__radix4__f32_8c.html#a3d4062fdfa6aaa3f51f41cab868e508b">arm_bitreversal_f32</a> (<a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrc, uint16_t <a class="el" href="arm__fft__bin__example__f32_8c.html#a9b500899c581f6df3ffc0a9f3a9ef6aa">fftSize</a>, uint16_t bitRevFactor, uint16_t *pBitRevTab)</td></tr>
|
||||
</table>
|
||||
<hr/><h2>Function Documentation</h2>
|
||||
<a class="anchor" id="ae239ddf995d1607115f9e84d5c069b9c"></a><!-- doxytag: member="arm_cfft_radix4_f32.c::arm_radix4_butterfly_f32" ref="ae239ddf995d1607115f9e84d5c069b9c" args="(float32_t *pSrc, uint16_t fftLen, float32_t *pCoef, uint16_t twidCoefModifier)" -->
|
||||
<div class="memitem">
|
||||
<div class="memproto">
|
||||
<table class="memname">
|
||||
<tr>
|
||||
<td class="memname">void arm_radix4_butterfly_f32 </td>
|
||||
<td>(</td>
|
||||
<td class="paramtype"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td>
|
||||
<td class="paramname"> <em>pSrc</em>, </td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td class="paramkey"></td>
|
||||
<td></td>
|
||||
<td class="paramtype">uint16_t </td>
|
||||
<td class="paramname"> <em>fftLen</em>, </td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td class="paramkey"></td>
|
||||
<td></td>
|
||||
<td class="paramtype"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td>
|
||||
<td class="paramname"> <em>pCoef</em>, </td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td class="paramkey"></td>
|
||||
<td></td>
|
||||
<td class="paramtype">uint16_t </td>
|
||||
<td class="paramname"> <em>twidCoefModifier</em> </td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td></td>
|
||||
<td>)</td>
|
||||
<td></td><td></td>
|
||||
</tr>
|
||||
</table>
|
||||
</div>
|
||||
<div class="memdoc">
|
||||
|
||||
<p>Core function for the floating-point CFFT butterfly process. </p>
|
||||
<p>end of CFFT_CIFFT group </p>
|
||||
|
||||
<p>Definition at line <a class="el" href="arm__cfft__radix4__f32_8c_source.html#l00223">223</a> of file <a class="el" href="arm__cfft__radix4__f32_8c_source.html">arm_cfft_radix4_f32.c</a>.</p>
|
||||
|
||||
</div>
|
||||
</div>
|
||||
<a class="anchor" id="a2a78df6e4bbf080624f2b6349224ec93"></a><!-- doxytag: member="arm_cfft_radix4_f32.c::arm_radix4_butterfly_inverse_f32" ref="a2a78df6e4bbf080624f2b6349224ec93" args="(float32_t *pSrc, uint16_t fftLen, float32_t *pCoef, uint16_t twidCoefModifier, float32_t onebyfftLen)" -->
|
||||
<div class="memitem">
|
||||
<div class="memproto">
|
||||
<table class="memname">
|
||||
<tr>
|
||||
<td class="memname">void arm_radix4_butterfly_inverse_f32 </td>
|
||||
<td>(</td>
|
||||
<td class="paramtype"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td>
|
||||
<td class="paramname"> <em>pSrc</em>, </td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td class="paramkey"></td>
|
||||
<td></td>
|
||||
<td class="paramtype">uint16_t </td>
|
||||
<td class="paramname"> <em>fftLen</em>, </td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td class="paramkey"></td>
|
||||
<td></td>
|
||||
<td class="paramtype"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td>
|
||||
<td class="paramname"> <em>pCoef</em>, </td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td class="paramkey"></td>
|
||||
<td></td>
|
||||
<td class="paramtype">uint16_t </td>
|
||||
<td class="paramname"> <em>twidCoefModifier</em>, </td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td class="paramkey"></td>
|
||||
<td></td>
|
||||
<td class="paramtype"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> </td>
|
||||
<td class="paramname"> <em>onebyfftLen</em> </td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td></td>
|
||||
<td>)</td>
|
||||
<td></td><td></td>
|
||||
</tr>
|
||||
</table>
|
||||
</div>
|
||||
<div class="memdoc">
|
||||
|
||||
<p>Core function for the floating-point CIFFT butterfly process. </p>
|
||||
<dl><dt><b>Parameters:</b></dt><dd>
|
||||
<table class="params">
|
||||
<tr><td class="paramdir">[in,out]</td><td class="paramname">*pSrc</td><td>points to the in-place buffer of floating-point data type. </td></tr>
|
||||
<tr><td class="paramdir">[in]</td><td class="paramname">fftLen</td><td>length of the FFT. </td></tr>
|
||||
<tr><td class="paramdir">[in]</td><td class="paramname">*pCoef</td><td>points to twiddle coefficient buffer. </td></tr>
|
||||
<tr><td class="paramdir">[in]</td><td class="paramname">twidCoefModifier</td><td>twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. </td></tr>
|
||||
<tr><td class="paramdir">[in]</td><td class="paramname">onebyfftLen</td><td>value of 1/fftLen. </td></tr>
|
||||
</table>
|
||||
</dd>
|
||||
</dl>
|
||||
<dl class="return"><dt><b>Returns:</b></dt><dd>none. </dd></dl>
|
||||
|
||||
<p>Definition at line <a class="el" href="arm__cfft__radix4__f32_8c_source.html#l00660">660</a> of file <a class="el" href="arm__cfft__radix4__f32_8c_source.html">arm_cfft_radix4_f32.c</a>.</p>
|
||||
|
||||
</div>
|
||||
</div>
|
||||
<a class="anchor" id="a3d4062fdfa6aaa3f51f41cab868e508b"></a><!-- doxytag: member="arm_cfft_radix4_f32.c::arm_bitreversal_f32" ref="a3d4062fdfa6aaa3f51f41cab868e508b" args="(float32_t *pSrc, uint16_t fftSize, uint16_t bitRevFactor, uint16_t *pBitRevTab)" -->
|
||||
<div class="memitem">
|
||||
<div class="memproto">
|
||||
<table class="memname">
|
||||
<tr>
|
||||
<td class="memname">void arm_bitreversal_f32 </td>
|
||||
<td>(</td>
|
||||
<td class="paramtype"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td>
|
||||
<td class="paramname"> <em>pSrc</em>, </td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td class="paramkey"></td>
|
||||
<td></td>
|
||||
<td class="paramtype">uint16_t </td>
|
||||
<td class="paramname"> <em>fftSize</em>, </td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td class="paramkey"></td>
|
||||
<td></td>
|
||||
<td class="paramtype">uint16_t </td>
|
||||
<td class="paramname"> <em>bitRevFactor</em>, </td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td class="paramkey"></td>
|
||||
<td></td>
|
||||
<td class="paramtype">uint16_t * </td>
|
||||
<td class="paramname"> <em>pBitRevTab</em> </td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td></td>
|
||||
<td>)</td>
|
||||
<td></td><td></td>
|
||||
</tr>
|
||||
</table>
|
||||
</div>
|
||||
<div class="memdoc">
|
||||
|
||||
<p>In-place bit reversal function. </p>
|
||||
<dl><dt><b>Parameters:</b></dt><dd>
|
||||
<table class="params">
|
||||
<tr><td class="paramdir">[in,out]</td><td class="paramname">*pSrc</td><td>points to the in-place buffer of floating-point data type. </td></tr>
|
||||
<tr><td class="paramdir">[in]</td><td class="paramname">fftSize</td><td>length of the FFT. </td></tr>
|
||||
<tr><td class="paramdir">[in]</td><td class="paramname">bitRevFactor</td><td>bit reversal modifier that supports different size FFTs with the same bit reversal table. </td></tr>
|
||||
<tr><td class="paramdir">[in]</td><td class="paramname">*pBitRevTab</td><td>points to the bit reversal table. </td></tr>
|
||||
</table>
|
||||
</dd>
|
||||
</dl>
|
||||
<dl class="return"><dt><b>Returns:</b></dt><dd>none. </dd></dl>
|
||||
|
||||
<p>Definition at line <a class="el" href="arm__cfft__radix4__f32_8c_source.html#l01177">1177</a> of file <a class="el" href="arm__cfft__radix4__f32_8c_source.html">arm_cfft_radix4_f32.c</a>.</p>
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<tr><td class="memItemLeft" align="right" valign="top">static const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___c_f_f_t___c_i_f_f_t.html#gaa2c67d40295ace7cab3d063c15e70b18">twiddleCoef</a> [2048]</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">static const <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___c_f_f_t___c_i_f_f_t.html#ga5a1667c1f9ffa6b40cddb90034d7d3b0">twiddleCoefQ15</a> [2048]</td></tr>
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<a href="arm__cfft__radix4__init__q15_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* ---------------------------------------------------------------------- </span>
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<a name="l00002"></a>00002 <span class="comment">* Copyright (C) 2010 ARM Limited. All rights reserved. </span>
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<a name="l00003"></a>00003 <span class="comment">* </span>
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<a name="l00004"></a>00004 <span class="comment">* $Date: 15. July 2011 </span>
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<a name="l00005"></a>00005 <span class="comment">* $Revision: V1.0.10 </span>
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<a name="l00006"></a>00006 <span class="comment">* </span>
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<a name="l00007"></a>00007 <span class="comment">* Project: CMSIS DSP Library </span>
|
||||
<a name="l00008"></a>00008 <span class="comment">* Title: arm_cfft_radix4_init_q15.c </span>
|
||||
<a name="l00009"></a>00009 <span class="comment">* </span>
|
||||
<a name="l00010"></a>00010 <span class="comment">* Description: Radix-4 Decimation in Frequency Q15 FFT & IFFT initialization function </span>
|
||||
<a name="l00011"></a>00011 <span class="comment">* </span>
|
||||
<a name="l00012"></a>00012 <span class="comment">* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0</span>
|
||||
<a name="l00013"></a>00013 <span class="comment">* </span>
|
||||
<a name="l00014"></a>00014 <span class="comment">* Version 1.0.10 2011/7/15 </span>
|
||||
<a name="l00015"></a>00015 <span class="comment">* Big Endian support added and Merged M0 and M3/M4 Source code. </span>
|
||||
<a name="l00016"></a>00016 <span class="comment">* </span>
|
||||
<a name="l00017"></a>00017 <span class="comment">* Version 1.0.3 2010/11/29 </span>
|
||||
<a name="l00018"></a>00018 <span class="comment">* Re-organized the CMSIS folders and updated documentation. </span>
|
||||
<a name="l00019"></a>00019 <span class="comment">* </span>
|
||||
<a name="l00020"></a>00020 <span class="comment">* Version 1.0.2 2010/11/11 </span>
|
||||
<a name="l00021"></a>00021 <span class="comment">* Documentation updated. </span>
|
||||
<a name="l00022"></a>00022 <span class="comment">* </span>
|
||||
<a name="l00023"></a>00023 <span class="comment">* Version 1.0.1 2010/10/05 </span>
|
||||
<a name="l00024"></a>00024 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00025"></a>00025 <span class="comment">* </span>
|
||||
<a name="l00026"></a>00026 <span class="comment">* Version 1.0.0 2010/09/20 </span>
|
||||
<a name="l00027"></a>00027 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00028"></a>00028 <span class="comment">* </span>
|
||||
<a name="l00029"></a>00029 <span class="comment">* Version 0.0.5 2010/04/26 </span>
|
||||
<a name="l00030"></a>00030 <span class="comment">* incorporated review comments and updated with latest CMSIS layer </span>
|
||||
<a name="l00031"></a>00031 <span class="comment">* </span>
|
||||
<a name="l00032"></a>00032 <span class="comment">* Version 0.0.3 2010/03/10 </span>
|
||||
<a name="l00033"></a>00033 <span class="comment">* Initial version </span>
|
||||
<a name="l00034"></a>00034 <span class="comment">* -------------------------------------------------------------------- */</span>
|
||||
<a name="l00035"></a>00035
|
||||
<a name="l00036"></a>00036 <span class="preprocessor">#include "<a class="code" href="arm__math_8h.html">arm_math.h</a>"</span>
|
||||
<a name="l00037"></a>00037 <span class="preprocessor">#include "arm_common_tables.h"</span>
|
||||
<a name="l00038"></a>00038
|
||||
<a name="l00049"></a>00049 <span class="comment">/* </span>
|
||||
<a name="l00050"></a>00050 <span class="comment">* @brief Twiddle factors Table </span>
|
||||
<a name="l00051"></a>00051 <span class="comment">*/</span>
|
||||
<a name="l00052"></a>00052
|
||||
<a name="l00072"></a><a class="code" href="group___c_f_f_t___c_i_f_f_t.html#ga5a1667c1f9ffa6b40cddb90034d7d3b0">00072</a> <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> <a class="code" href="group___c_f_f_t___c_i_f_f_t.html#ga5a1667c1f9ffa6b40cddb90034d7d3b0">twiddleCoefQ15</a>[2048] = {
|
||||
<a name="l00073"></a>00073 0x7fff, 0x0, 0x7fff, 0xc9, 0x7ffe, 0x192, 0x7ffa, 0x25b,
|
||||
<a name="l00074"></a>00074 0x7ff6, 0x324, 0x7ff1, 0x3ed, 0x7fea, 0x4b6, 0x7fe2, 0x57f,
|
||||
<a name="l00075"></a>00075 0x7fd9, 0x648, 0x7fce, 0x711, 0x7fc2, 0x7d9, 0x7fb5, 0x8a2,
|
||||
<a name="l00076"></a>00076 0x7fa7, 0x96b, 0x7f98, 0xa33, 0x7f87, 0xafb, 0x7f75, 0xbc4,
|
||||
<a name="l00077"></a>00077 0x7f62, 0xc8c, 0x7f4e, 0xd54, 0x7f38, 0xe1c, 0x7f22, 0xee4,
|
||||
<a name="l00078"></a>00078 0x7f0a, 0xfab, 0x7ef0, 0x1073, 0x7ed6, 0x113a, 0x7eba, 0x1201,
|
||||
<a name="l00079"></a>00079 0x7e9d, 0x12c8, 0x7e7f, 0x138f, 0x7e60, 0x1455, 0x7e3f, 0x151c,
|
||||
<a name="l00080"></a>00080 0x7e1e, 0x15e2, 0x7dfb, 0x16a8, 0x7dd6, 0x176e, 0x7db1, 0x1833,
|
||||
<a name="l00081"></a>00081 0x7d8a, 0x18f9, 0x7d63, 0x19be, 0x7d3a, 0x1a83, 0x7d0f, 0x1b47,
|
||||
<a name="l00082"></a>00082 0x7ce4, 0x1c0c, 0x7cb7, 0x1cd0, 0x7c89, 0x1d93, 0x7c5a, 0x1e57,
|
||||
<a name="l00083"></a>00083 0x7c2a, 0x1f1a, 0x7bf9, 0x1fdd, 0x7bc6, 0x209f, 0x7b92, 0x2162,
|
||||
<a name="l00084"></a>00084 0x7b5d, 0x2224, 0x7b27, 0x22e5, 0x7aef, 0x23a7, 0x7ab7, 0x2467,
|
||||
<a name="l00085"></a>00085 0x7a7d, 0x2528, 0x7a42, 0x25e8, 0x7a06, 0x26a8, 0x79c9, 0x2768,
|
||||
<a name="l00086"></a>00086 0x798a, 0x2827, 0x794a, 0x28e5, 0x790a, 0x29a4, 0x78c8, 0x2a62,
|
||||
<a name="l00087"></a>00087 0x7885, 0x2b1f, 0x7840, 0x2bdc, 0x77fb, 0x2c99, 0x77b4, 0x2d55,
|
||||
<a name="l00088"></a>00088 0x776c, 0x2e11, 0x7723, 0x2ecc, 0x76d9, 0x2f87, 0x768e, 0x3042,
|
||||
<a name="l00089"></a>00089 0x7642, 0x30fc, 0x75f4, 0x31b5, 0x75a6, 0x326e, 0x7556, 0x3327,
|
||||
<a name="l00090"></a>00090 0x7505, 0x33df, 0x74b3, 0x3497, 0x7460, 0x354e, 0x740b, 0x3604,
|
||||
<a name="l00091"></a>00091 0x73b6, 0x36ba, 0x735f, 0x3770, 0x7308, 0x3825, 0x72af, 0x38d9,
|
||||
<a name="l00092"></a>00092 0x7255, 0x398d, 0x71fa, 0x3a40, 0x719e, 0x3af3, 0x7141, 0x3ba5,
|
||||
<a name="l00093"></a>00093 0x70e3, 0x3c57, 0x7083, 0x3d08, 0x7023, 0x3db8, 0x6fc2, 0x3e68,
|
||||
<a name="l00094"></a>00094 0x6f5f, 0x3f17, 0x6efb, 0x3fc6, 0x6e97, 0x4074, 0x6e31, 0x4121,
|
||||
<a name="l00095"></a>00095 0x6dca, 0x41ce, 0x6d62, 0x427a, 0x6cf9, 0x4326, 0x6c8f, 0x43d1,
|
||||
<a name="l00096"></a>00096 0x6c24, 0x447b, 0x6bb8, 0x4524, 0x6b4b, 0x45cd, 0x6add, 0x4675,
|
||||
<a name="l00097"></a>00097 0x6a6e, 0x471d, 0x69fd, 0x47c4, 0x698c, 0x486a, 0x691a, 0x490f,
|
||||
<a name="l00098"></a>00098 0x68a7, 0x49b4, 0x6832, 0x4a58, 0x67bd, 0x4afb, 0x6747, 0x4b9e,
|
||||
<a name="l00099"></a>00099 0x66d0, 0x4c40, 0x6657, 0x4ce1, 0x65de, 0x4d81, 0x6564, 0x4e21,
|
||||
<a name="l00100"></a>00100 0x64e9, 0x4ec0, 0x646c, 0x4f5e, 0x63ef, 0x4ffb, 0x6371, 0x5098,
|
||||
<a name="l00101"></a>00101 0x62f2, 0x5134, 0x6272, 0x51cf, 0x61f1, 0x5269, 0x616f, 0x5303,
|
||||
<a name="l00102"></a>00102 0x60ec, 0x539b, 0x6068, 0x5433, 0x5fe4, 0x54ca, 0x5f5e, 0x5560,
|
||||
<a name="l00103"></a>00103 0x5ed7, 0x55f6, 0x5e50, 0x568a, 0x5dc8, 0x571e, 0x5d3e, 0x57b1,
|
||||
<a name="l00104"></a>00104 0x5cb4, 0x5843, 0x5c29, 0x58d4, 0x5b9d, 0x5964, 0x5b10, 0x59f4,
|
||||
<a name="l00105"></a>00105 0x5a82, 0x5a82, 0x59f4, 0x5b10, 0x5964, 0x5b9d, 0x58d4, 0x5c29,
|
||||
<a name="l00106"></a>00106 0x5843, 0x5cb4, 0x57b1, 0x5d3e, 0x571e, 0x5dc8, 0x568a, 0x5e50,
|
||||
<a name="l00107"></a>00107 0x55f6, 0x5ed7, 0x5560, 0x5f5e, 0x54ca, 0x5fe4, 0x5433, 0x6068,
|
||||
<a name="l00108"></a>00108 0x539b, 0x60ec, 0x5303, 0x616f, 0x5269, 0x61f1, 0x51cf, 0x6272,
|
||||
<a name="l00109"></a>00109 0x5134, 0x62f2, 0x5098, 0x6371, 0x4ffb, 0x63ef, 0x4f5e, 0x646c,
|
||||
<a name="l00110"></a>00110 0x4ec0, 0x64e9, 0x4e21, 0x6564, 0x4d81, 0x65de, 0x4ce1, 0x6657,
|
||||
<a name="l00111"></a>00111 0x4c40, 0x66d0, 0x4b9e, 0x6747, 0x4afb, 0x67bd, 0x4a58, 0x6832,
|
||||
<a name="l00112"></a>00112 0x49b4, 0x68a7, 0x490f, 0x691a, 0x486a, 0x698c, 0x47c4, 0x69fd,
|
||||
<a name="l00113"></a>00113 0x471d, 0x6a6e, 0x4675, 0x6add, 0x45cd, 0x6b4b, 0x4524, 0x6bb8,
|
||||
<a name="l00114"></a>00114 0x447b, 0x6c24, 0x43d1, 0x6c8f, 0x4326, 0x6cf9, 0x427a, 0x6d62,
|
||||
<a name="l00115"></a>00115 0x41ce, 0x6dca, 0x4121, 0x6e31, 0x4074, 0x6e97, 0x3fc6, 0x6efb,
|
||||
<a name="l00116"></a>00116 0x3f17, 0x6f5f, 0x3e68, 0x6fc2, 0x3db8, 0x7023, 0x3d08, 0x7083,
|
||||
<a name="l00117"></a>00117 0x3c57, 0x70e3, 0x3ba5, 0x7141, 0x3af3, 0x719e, 0x3a40, 0x71fa,
|
||||
<a name="l00118"></a>00118 0x398d, 0x7255, 0x38d9, 0x72af, 0x3825, 0x7308, 0x3770, 0x735f,
|
||||
<a name="l00119"></a>00119 0x36ba, 0x73b6, 0x3604, 0x740b, 0x354e, 0x7460, 0x3497, 0x74b3,
|
||||
<a name="l00120"></a>00120 0x33df, 0x7505, 0x3327, 0x7556, 0x326e, 0x75a6, 0x31b5, 0x75f4,
|
||||
<a name="l00121"></a>00121 0x30fc, 0x7642, 0x3042, 0x768e, 0x2f87, 0x76d9, 0x2ecc, 0x7723,
|
||||
<a name="l00122"></a>00122 0x2e11, 0x776c, 0x2d55, 0x77b4, 0x2c99, 0x77fb, 0x2bdc, 0x7840,
|
||||
<a name="l00123"></a>00123 0x2b1f, 0x7885, 0x2a62, 0x78c8, 0x29a4, 0x790a, 0x28e5, 0x794a,
|
||||
<a name="l00124"></a>00124 0x2827, 0x798a, 0x2768, 0x79c9, 0x26a8, 0x7a06, 0x25e8, 0x7a42,
|
||||
<a name="l00125"></a>00125 0x2528, 0x7a7d, 0x2467, 0x7ab7, 0x23a7, 0x7aef, 0x22e5, 0x7b27,
|
||||
<a name="l00126"></a>00126 0x2224, 0x7b5d, 0x2162, 0x7b92, 0x209f, 0x7bc6, 0x1fdd, 0x7bf9,
|
||||
<a name="l00127"></a>00127 0x1f1a, 0x7c2a, 0x1e57, 0x7c5a, 0x1d93, 0x7c89, 0x1cd0, 0x7cb7,
|
||||
<a name="l00128"></a>00128 0x1c0c, 0x7ce4, 0x1b47, 0x7d0f, 0x1a83, 0x7d3a, 0x19be, 0x7d63,
|
||||
<a name="l00129"></a>00129 0x18f9, 0x7d8a, 0x1833, 0x7db1, 0x176e, 0x7dd6, 0x16a8, 0x7dfb,
|
||||
<a name="l00130"></a>00130 0x15e2, 0x7e1e, 0x151c, 0x7e3f, 0x1455, 0x7e60, 0x138f, 0x7e7f,
|
||||
<a name="l00131"></a>00131 0x12c8, 0x7e9d, 0x1201, 0x7eba, 0x113a, 0x7ed6, 0x1073, 0x7ef0,
|
||||
<a name="l00132"></a>00132 0xfab, 0x7f0a, 0xee4, 0x7f22, 0xe1c, 0x7f38, 0xd54, 0x7f4e,
|
||||
<a name="l00133"></a>00133 0xc8c, 0x7f62, 0xbc4, 0x7f75, 0xafb, 0x7f87, 0xa33, 0x7f98,
|
||||
<a name="l00134"></a>00134 0x96b, 0x7fa7, 0x8a2, 0x7fb5, 0x7d9, 0x7fc2, 0x711, 0x7fce,
|
||||
<a name="l00135"></a>00135 0x648, 0x7fd9, 0x57f, 0x7fe2, 0x4b6, 0x7fea, 0x3ed, 0x7ff1,
|
||||
<a name="l00136"></a>00136 0x324, 0x7ff6, 0x25b, 0x7ffa, 0x192, 0x7ffe, 0xc9, 0x7fff,
|
||||
<a name="l00137"></a>00137 0x0, 0x7fff, 0xff37, 0x7fff, 0xfe6e, 0x7ffe, 0xfda5, 0x7ffa,
|
||||
<a name="l00138"></a>00138 0xfcdc, 0x7ff6, 0xfc13, 0x7ff1, 0xfb4a, 0x7fea, 0xfa81, 0x7fe2,
|
||||
<a name="l00139"></a>00139 0xf9b8, 0x7fd9, 0xf8ef, 0x7fce, 0xf827, 0x7fc2, 0xf75e, 0x7fb5,
|
||||
<a name="l00140"></a>00140 0xf695, 0x7fa7, 0xf5cd, 0x7f98, 0xf505, 0x7f87, 0xf43c, 0x7f75,
|
||||
<a name="l00141"></a>00141 0xf374, 0x7f62, 0xf2ac, 0x7f4e, 0xf1e4, 0x7f38, 0xf11c, 0x7f22,
|
||||
<a name="l00142"></a>00142 0xf055, 0x7f0a, 0xef8d, 0x7ef0, 0xeec6, 0x7ed6, 0xedff, 0x7eba,
|
||||
<a name="l00143"></a>00143 0xed38, 0x7e9d, 0xec71, 0x7e7f, 0xebab, 0x7e60, 0xeae4, 0x7e3f,
|
||||
<a name="l00144"></a>00144 0xea1e, 0x7e1e, 0xe958, 0x7dfb, 0xe892, 0x7dd6, 0xe7cd, 0x7db1,
|
||||
<a name="l00145"></a>00145 0xe707, 0x7d8a, 0xe642, 0x7d63, 0xe57d, 0x7d3a, 0xe4b9, 0x7d0f,
|
||||
<a name="l00146"></a>00146 0xe3f4, 0x7ce4, 0xe330, 0x7cb7, 0xe26d, 0x7c89, 0xe1a9, 0x7c5a,
|
||||
<a name="l00147"></a>00147 0xe0e6, 0x7c2a, 0xe023, 0x7bf9, 0xdf61, 0x7bc6, 0xde9e, 0x7b92,
|
||||
<a name="l00148"></a>00148 0xdddc, 0x7b5d, 0xdd1b, 0x7b27, 0xdc59, 0x7aef, 0xdb99, 0x7ab7,
|
||||
<a name="l00149"></a>00149 0xdad8, 0x7a7d, 0xda18, 0x7a42, 0xd958, 0x7a06, 0xd898, 0x79c9,
|
||||
<a name="l00150"></a>00150 0xd7d9, 0x798a, 0xd71b, 0x794a, 0xd65c, 0x790a, 0xd59e, 0x78c8,
|
||||
<a name="l00151"></a>00151 0xd4e1, 0x7885, 0xd424, 0x7840, 0xd367, 0x77fb, 0xd2ab, 0x77b4,
|
||||
<a name="l00152"></a>00152 0xd1ef, 0x776c, 0xd134, 0x7723, 0xd079, 0x76d9, 0xcfbe, 0x768e,
|
||||
<a name="l00153"></a>00153 0xcf04, 0x7642, 0xce4b, 0x75f4, 0xcd92, 0x75a6, 0xccd9, 0x7556,
|
||||
<a name="l00154"></a>00154 0xcc21, 0x7505, 0xcb69, 0x74b3, 0xcab2, 0x7460, 0xc9fc, 0x740b,
|
||||
<a name="l00155"></a>00155 0xc946, 0x73b6, 0xc890, 0x735f, 0xc7db, 0x7308, 0xc727, 0x72af,
|
||||
<a name="l00156"></a>00156 0xc673, 0x7255, 0xc5c0, 0x71fa, 0xc50d, 0x719e, 0xc45b, 0x7141,
|
||||
<a name="l00157"></a>00157 0xc3a9, 0x70e3, 0xc2f8, 0x7083, 0xc248, 0x7023, 0xc198, 0x6fc2,
|
||||
<a name="l00158"></a>00158 0xc0e9, 0x6f5f, 0xc03a, 0x6efb, 0xbf8c, 0x6e97, 0xbedf, 0x6e31,
|
||||
<a name="l00159"></a>00159 0xbe32, 0x6dca, 0xbd86, 0x6d62, 0xbcda, 0x6cf9, 0xbc2f, 0x6c8f,
|
||||
<a name="l00160"></a>00160 0xbb85, 0x6c24, 0xbadc, 0x6bb8, 0xba33, 0x6b4b, 0xb98b, 0x6add,
|
||||
<a name="l00161"></a>00161 0xb8e3, 0x6a6e, 0xb83c, 0x69fd, 0xb796, 0x698c, 0xb6f1, 0x691a,
|
||||
<a name="l00162"></a>00162 0xb64c, 0x68a7, 0xb5a8, 0x6832, 0xb505, 0x67bd, 0xb462, 0x6747,
|
||||
<a name="l00163"></a>00163 0xb3c0, 0x66d0, 0xb31f, 0x6657, 0xb27f, 0x65de, 0xb1df, 0x6564,
|
||||
<a name="l00164"></a>00164 0xb140, 0x64e9, 0xb0a2, 0x646c, 0xb005, 0x63ef, 0xaf68, 0x6371,
|
||||
<a name="l00165"></a>00165 0xaecc, 0x62f2, 0xae31, 0x6272, 0xad97, 0x61f1, 0xacfd, 0x616f,
|
||||
<a name="l00166"></a>00166 0xac65, 0x60ec, 0xabcd, 0x6068, 0xab36, 0x5fe4, 0xaaa0, 0x5f5e,
|
||||
<a name="l00167"></a>00167 0xaa0a, 0x5ed7, 0xa976, 0x5e50, 0xa8e2, 0x5dc8, 0xa84f, 0x5d3e,
|
||||
<a name="l00168"></a>00168 0xa7bd, 0x5cb4, 0xa72c, 0x5c29, 0xa69c, 0x5b9d, 0xa60c, 0x5b10,
|
||||
<a name="l00169"></a>00169 0xa57e, 0x5a82, 0xa4f0, 0x59f4, 0xa463, 0x5964, 0xa3d7, 0x58d4,
|
||||
<a name="l00170"></a>00170 0xa34c, 0x5843, 0xa2c2, 0x57b1, 0xa238, 0x571e, 0xa1b0, 0x568a,
|
||||
<a name="l00171"></a>00171 0xa129, 0x55f6, 0xa0a2, 0x5560, 0xa01c, 0x54ca, 0x9f98, 0x5433,
|
||||
<a name="l00172"></a>00172 0x9f14, 0x539b, 0x9e91, 0x5303, 0x9e0f, 0x5269, 0x9d8e, 0x51cf,
|
||||
<a name="l00173"></a>00173 0x9d0e, 0x5134, 0x9c8f, 0x5098, 0x9c11, 0x4ffb, 0x9b94, 0x4f5e,
|
||||
<a name="l00174"></a>00174 0x9b17, 0x4ec0, 0x9a9c, 0x4e21, 0x9a22, 0x4d81, 0x99a9, 0x4ce1,
|
||||
<a name="l00175"></a>00175 0x9930, 0x4c40, 0x98b9, 0x4b9e, 0x9843, 0x4afb, 0x97ce, 0x4a58,
|
||||
<a name="l00176"></a>00176 0x9759, 0x49b4, 0x96e6, 0x490f, 0x9674, 0x486a, 0x9603, 0x47c4,
|
||||
<a name="l00177"></a>00177 0x9592, 0x471d, 0x9523, 0x4675, 0x94b5, 0x45cd, 0x9448, 0x4524,
|
||||
<a name="l00178"></a>00178 0x93dc, 0x447b, 0x9371, 0x43d1, 0x9307, 0x4326, 0x929e, 0x427a,
|
||||
<a name="l00179"></a>00179 0x9236, 0x41ce, 0x91cf, 0x4121, 0x9169, 0x4074, 0x9105, 0x3fc6,
|
||||
<a name="l00180"></a>00180 0x90a1, 0x3f17, 0x903e, 0x3e68, 0x8fdd, 0x3db8, 0x8f7d, 0x3d08,
|
||||
<a name="l00181"></a>00181 0x8f1d, 0x3c57, 0x8ebf, 0x3ba5, 0x8e62, 0x3af3, 0x8e06, 0x3a40,
|
||||
<a name="l00182"></a>00182 0x8dab, 0x398d, 0x8d51, 0x38d9, 0x8cf8, 0x3825, 0x8ca1, 0x3770,
|
||||
<a name="l00183"></a>00183 0x8c4a, 0x36ba, 0x8bf5, 0x3604, 0x8ba0, 0x354e, 0x8b4d, 0x3497,
|
||||
<a name="l00184"></a>00184 0x8afb, 0x33df, 0x8aaa, 0x3327, 0x8a5a, 0x326e, 0x8a0c, 0x31b5,
|
||||
<a name="l00185"></a>00185 0x89be, 0x30fc, 0x8972, 0x3042, 0x8927, 0x2f87, 0x88dd, 0x2ecc,
|
||||
<a name="l00186"></a>00186 0x8894, 0x2e11, 0x884c, 0x2d55, 0x8805, 0x2c99, 0x87c0, 0x2bdc,
|
||||
<a name="l00187"></a>00187 0x877b, 0x2b1f, 0x8738, 0x2a62, 0x86f6, 0x29a4, 0x86b6, 0x28e5,
|
||||
<a name="l00188"></a>00188 0x8676, 0x2827, 0x8637, 0x2768, 0x85fa, 0x26a8, 0x85be, 0x25e8,
|
||||
<a name="l00189"></a>00189 0x8583, 0x2528, 0x8549, 0x2467, 0x8511, 0x23a7, 0x84d9, 0x22e5,
|
||||
<a name="l00190"></a>00190 0x84a3, 0x2224, 0x846e, 0x2162, 0x843a, 0x209f, 0x8407, 0x1fdd,
|
||||
<a name="l00191"></a>00191 0x83d6, 0x1f1a, 0x83a6, 0x1e57, 0x8377, 0x1d93, 0x8349, 0x1cd0,
|
||||
<a name="l00192"></a>00192 0x831c, 0x1c0c, 0x82f1, 0x1b47, 0x82c6, 0x1a83, 0x829d, 0x19be,
|
||||
<a name="l00193"></a>00193 0x8276, 0x18f9, 0x824f, 0x1833, 0x822a, 0x176e, 0x8205, 0x16a8,
|
||||
<a name="l00194"></a>00194 0x81e2, 0x15e2, 0x81c1, 0x151c, 0x81a0, 0x1455, 0x8181, 0x138f,
|
||||
<a name="l00195"></a>00195 0x8163, 0x12c8, 0x8146, 0x1201, 0x812a, 0x113a, 0x8110, 0x1073,
|
||||
<a name="l00196"></a>00196 0x80f6, 0xfab, 0x80de, 0xee4, 0x80c8, 0xe1c, 0x80b2, 0xd54,
|
||||
<a name="l00197"></a>00197 0x809e, 0xc8c, 0x808b, 0xbc4, 0x8079, 0xafb, 0x8068, 0xa33,
|
||||
<a name="l00198"></a>00198 0x8059, 0x96b, 0x804b, 0x8a2, 0x803e, 0x7d9, 0x8032, 0x711,
|
||||
<a name="l00199"></a>00199 0x8027, 0x648, 0x801e, 0x57f, 0x8016, 0x4b6, 0x800f, 0x3ed,
|
||||
<a name="l00200"></a>00200 0x800a, 0x324, 0x8006, 0x25b, 0x8002, 0x192, 0x8001, 0xc9,
|
||||
<a name="l00201"></a>00201 0x8000, 0x0, 0x8001, 0xff37, 0x8002, 0xfe6e, 0x8006, 0xfda5,
|
||||
<a name="l00202"></a>00202 0x800a, 0xfcdc, 0x800f, 0xfc13, 0x8016, 0xfb4a, 0x801e, 0xfa81,
|
||||
<a name="l00203"></a>00203 0x8027, 0xf9b8, 0x8032, 0xf8ef, 0x803e, 0xf827, 0x804b, 0xf75e,
|
||||
<a name="l00204"></a>00204 0x8059, 0xf695, 0x8068, 0xf5cd, 0x8079, 0xf505, 0x808b, 0xf43c,
|
||||
<a name="l00205"></a>00205 0x809e, 0xf374, 0x80b2, 0xf2ac, 0x80c8, 0xf1e4, 0x80de, 0xf11c,
|
||||
<a name="l00206"></a>00206 0x80f6, 0xf055, 0x8110, 0xef8d, 0x812a, 0xeec6, 0x8146, 0xedff,
|
||||
<a name="l00207"></a>00207 0x8163, 0xed38, 0x8181, 0xec71, 0x81a0, 0xebab, 0x81c1, 0xeae4,
|
||||
<a name="l00208"></a>00208 0x81e2, 0xea1e, 0x8205, 0xe958, 0x822a, 0xe892, 0x824f, 0xe7cd,
|
||||
<a name="l00209"></a>00209 0x8276, 0xe707, 0x829d, 0xe642, 0x82c6, 0xe57d, 0x82f1, 0xe4b9,
|
||||
<a name="l00210"></a>00210 0x831c, 0xe3f4, 0x8349, 0xe330, 0x8377, 0xe26d, 0x83a6, 0xe1a9,
|
||||
<a name="l00211"></a>00211 0x83d6, 0xe0e6, 0x8407, 0xe023, 0x843a, 0xdf61, 0x846e, 0xde9e,
|
||||
<a name="l00212"></a>00212 0x84a3, 0xdddc, 0x84d9, 0xdd1b, 0x8511, 0xdc59, 0x8549, 0xdb99,
|
||||
<a name="l00213"></a>00213 0x8583, 0xdad8, 0x85be, 0xda18, 0x85fa, 0xd958, 0x8637, 0xd898,
|
||||
<a name="l00214"></a>00214 0x8676, 0xd7d9, 0x86b6, 0xd71b, 0x86f6, 0xd65c, 0x8738, 0xd59e,
|
||||
<a name="l00215"></a>00215 0x877b, 0xd4e1, 0x87c0, 0xd424, 0x8805, 0xd367, 0x884c, 0xd2ab,
|
||||
<a name="l00216"></a>00216 0x8894, 0xd1ef, 0x88dd, 0xd134, 0x8927, 0xd079, 0x8972, 0xcfbe,
|
||||
<a name="l00217"></a>00217 0x89be, 0xcf04, 0x8a0c, 0xce4b, 0x8a5a, 0xcd92, 0x8aaa, 0xccd9,
|
||||
<a name="l00218"></a>00218 0x8afb, 0xcc21, 0x8b4d, 0xcb69, 0x8ba0, 0xcab2, 0x8bf5, 0xc9fc,
|
||||
<a name="l00219"></a>00219 0x8c4a, 0xc946, 0x8ca1, 0xc890, 0x8cf8, 0xc7db, 0x8d51, 0xc727,
|
||||
<a name="l00220"></a>00220 0x8dab, 0xc673, 0x8e06, 0xc5c0, 0x8e62, 0xc50d, 0x8ebf, 0xc45b,
|
||||
<a name="l00221"></a>00221 0x8f1d, 0xc3a9, 0x8f7d, 0xc2f8, 0x8fdd, 0xc248, 0x903e, 0xc198,
|
||||
<a name="l00222"></a>00222 0x90a1, 0xc0e9, 0x9105, 0xc03a, 0x9169, 0xbf8c, 0x91cf, 0xbedf,
|
||||
<a name="l00223"></a>00223 0x9236, 0xbe32, 0x929e, 0xbd86, 0x9307, 0xbcda, 0x9371, 0xbc2f,
|
||||
<a name="l00224"></a>00224 0x93dc, 0xbb85, 0x9448, 0xbadc, 0x94b5, 0xba33, 0x9523, 0xb98b,
|
||||
<a name="l00225"></a>00225 0x9592, 0xb8e3, 0x9603, 0xb83c, 0x9674, 0xb796, 0x96e6, 0xb6f1,
|
||||
<a name="l00226"></a>00226 0x9759, 0xb64c, 0x97ce, 0xb5a8, 0x9843, 0xb505, 0x98b9, 0xb462,
|
||||
<a name="l00227"></a>00227 0x9930, 0xb3c0, 0x99a9, 0xb31f, 0x9a22, 0xb27f, 0x9a9c, 0xb1df,
|
||||
<a name="l00228"></a>00228 0x9b17, 0xb140, 0x9b94, 0xb0a2, 0x9c11, 0xb005, 0x9c8f, 0xaf68,
|
||||
<a name="l00229"></a>00229 0x9d0e, 0xaecc, 0x9d8e, 0xae31, 0x9e0f, 0xad97, 0x9e91, 0xacfd,
|
||||
<a name="l00230"></a>00230 0x9f14, 0xac65, 0x9f98, 0xabcd, 0xa01c, 0xab36, 0xa0a2, 0xaaa0,
|
||||
<a name="l00231"></a>00231 0xa129, 0xaa0a, 0xa1b0, 0xa976, 0xa238, 0xa8e2, 0xa2c2, 0xa84f,
|
||||
<a name="l00232"></a>00232 0xa34c, 0xa7bd, 0xa3d7, 0xa72c, 0xa463, 0xa69c, 0xa4f0, 0xa60c,
|
||||
<a name="l00233"></a>00233 0xa57e, 0xa57e, 0xa60c, 0xa4f0, 0xa69c, 0xa463, 0xa72c, 0xa3d7,
|
||||
<a name="l00234"></a>00234 0xa7bd, 0xa34c, 0xa84f, 0xa2c2, 0xa8e2, 0xa238, 0xa976, 0xa1b0,
|
||||
<a name="l00235"></a>00235 0xaa0a, 0xa129, 0xaaa0, 0xa0a2, 0xab36, 0xa01c, 0xabcd, 0x9f98,
|
||||
<a name="l00236"></a>00236 0xac65, 0x9f14, 0xacfd, 0x9e91, 0xad97, 0x9e0f, 0xae31, 0x9d8e,
|
||||
<a name="l00237"></a>00237 0xaecc, 0x9d0e, 0xaf68, 0x9c8f, 0xb005, 0x9c11, 0xb0a2, 0x9b94,
|
||||
<a name="l00238"></a>00238 0xb140, 0x9b17, 0xb1df, 0x9a9c, 0xb27f, 0x9a22, 0xb31f, 0x99a9,
|
||||
<a name="l00239"></a>00239 0xb3c0, 0x9930, 0xb462, 0x98b9, 0xb505, 0x9843, 0xb5a8, 0x97ce,
|
||||
<a name="l00240"></a>00240 0xb64c, 0x9759, 0xb6f1, 0x96e6, 0xb796, 0x9674, 0xb83c, 0x9603,
|
||||
<a name="l00241"></a>00241 0xb8e3, 0x9592, 0xb98b, 0x9523, 0xba33, 0x94b5, 0xbadc, 0x9448,
|
||||
<a name="l00242"></a>00242 0xbb85, 0x93dc, 0xbc2f, 0x9371, 0xbcda, 0x9307, 0xbd86, 0x929e,
|
||||
<a name="l00243"></a>00243 0xbe32, 0x9236, 0xbedf, 0x91cf, 0xbf8c, 0x9169, 0xc03a, 0x9105,
|
||||
<a name="l00244"></a>00244 0xc0e9, 0x90a1, 0xc198, 0x903e, 0xc248, 0x8fdd, 0xc2f8, 0x8f7d,
|
||||
<a name="l00245"></a>00245 0xc3a9, 0x8f1d, 0xc45b, 0x8ebf, 0xc50d, 0x8e62, 0xc5c0, 0x8e06,
|
||||
<a name="l00246"></a>00246 0xc673, 0x8dab, 0xc727, 0x8d51, 0xc7db, 0x8cf8, 0xc890, 0x8ca1,
|
||||
<a name="l00247"></a>00247 0xc946, 0x8c4a, 0xc9fc, 0x8bf5, 0xcab2, 0x8ba0, 0xcb69, 0x8b4d,
|
||||
<a name="l00248"></a>00248 0xcc21, 0x8afb, 0xccd9, 0x8aaa, 0xcd92, 0x8a5a, 0xce4b, 0x8a0c,
|
||||
<a name="l00249"></a>00249 0xcf04, 0x89be, 0xcfbe, 0x8972, 0xd079, 0x8927, 0xd134, 0x88dd,
|
||||
<a name="l00250"></a>00250 0xd1ef, 0x8894, 0xd2ab, 0x884c, 0xd367, 0x8805, 0xd424, 0x87c0,
|
||||
<a name="l00251"></a>00251 0xd4e1, 0x877b, 0xd59e, 0x8738, 0xd65c, 0x86f6, 0xd71b, 0x86b6,
|
||||
<a name="l00252"></a>00252 0xd7d9, 0x8676, 0xd898, 0x8637, 0xd958, 0x85fa, 0xda18, 0x85be,
|
||||
<a name="l00253"></a>00253 0xdad8, 0x8583, 0xdb99, 0x8549, 0xdc59, 0x8511, 0xdd1b, 0x84d9,
|
||||
<a name="l00254"></a>00254 0xdddc, 0x84a3, 0xde9e, 0x846e, 0xdf61, 0x843a, 0xe023, 0x8407,
|
||||
<a name="l00255"></a>00255 0xe0e6, 0x83d6, 0xe1a9, 0x83a6, 0xe26d, 0x8377, 0xe330, 0x8349,
|
||||
<a name="l00256"></a>00256 0xe3f4, 0x831c, 0xe4b9, 0x82f1, 0xe57d, 0x82c6, 0xe642, 0x829d,
|
||||
<a name="l00257"></a>00257 0xe707, 0x8276, 0xe7cd, 0x824f, 0xe892, 0x822a, 0xe958, 0x8205,
|
||||
<a name="l00258"></a>00258 0xea1e, 0x81e2, 0xeae4, 0x81c1, 0xebab, 0x81a0, 0xec71, 0x8181,
|
||||
<a name="l00259"></a>00259 0xed38, 0x8163, 0xedff, 0x8146, 0xeec6, 0x812a, 0xef8d, 0x8110,
|
||||
<a name="l00260"></a>00260 0xf055, 0x80f6, 0xf11c, 0x80de, 0xf1e4, 0x80c8, 0xf2ac, 0x80b2,
|
||||
<a name="l00261"></a>00261 0xf374, 0x809e, 0xf43c, 0x808b, 0xf505, 0x8079, 0xf5cd, 0x8068,
|
||||
<a name="l00262"></a>00262 0xf695, 0x8059, 0xf75e, 0x804b, 0xf827, 0x803e, 0xf8ef, 0x8032,
|
||||
<a name="l00263"></a>00263 0xf9b8, 0x8027, 0xfa81, 0x801e, 0xfb4a, 0x8016, 0xfc13, 0x800f,
|
||||
<a name="l00264"></a>00264 0xfcdc, 0x800a, 0xfda5, 0x8006, 0xfe6e, 0x8002, 0xff37, 0x8001,
|
||||
<a name="l00265"></a>00265 0x0, 0x8000, 0xc9, 0x8001, 0x192, 0x8002, 0x25b, 0x8006,
|
||||
<a name="l00266"></a>00266 0x324, 0x800a, 0x3ed, 0x800f, 0x4b6, 0x8016, 0x57f, 0x801e,
|
||||
<a name="l00267"></a>00267 0x648, 0x8027, 0x711, 0x8032, 0x7d9, 0x803e, 0x8a2, 0x804b,
|
||||
<a name="l00268"></a>00268 0x96b, 0x8059, 0xa33, 0x8068, 0xafb, 0x8079, 0xbc4, 0x808b,
|
||||
<a name="l00269"></a>00269 0xc8c, 0x809e, 0xd54, 0x80b2, 0xe1c, 0x80c8, 0xee4, 0x80de,
|
||||
<a name="l00270"></a>00270 0xfab, 0x80f6, 0x1073, 0x8110, 0x113a, 0x812a, 0x1201, 0x8146,
|
||||
<a name="l00271"></a>00271 0x12c8, 0x8163, 0x138f, 0x8181, 0x1455, 0x81a0, 0x151c, 0x81c1,
|
||||
<a name="l00272"></a>00272 0x15e2, 0x81e2, 0x16a8, 0x8205, 0x176e, 0x822a, 0x1833, 0x824f,
|
||||
<a name="l00273"></a>00273 0x18f9, 0x8276, 0x19be, 0x829d, 0x1a83, 0x82c6, 0x1b47, 0x82f1,
|
||||
<a name="l00274"></a>00274 0x1c0c, 0x831c, 0x1cd0, 0x8349, 0x1d93, 0x8377, 0x1e57, 0x83a6,
|
||||
<a name="l00275"></a>00275 0x1f1a, 0x83d6, 0x1fdd, 0x8407, 0x209f, 0x843a, 0x2162, 0x846e,
|
||||
<a name="l00276"></a>00276 0x2224, 0x84a3, 0x22e5, 0x84d9, 0x23a7, 0x8511, 0x2467, 0x8549,
|
||||
<a name="l00277"></a>00277 0x2528, 0x8583, 0x25e8, 0x85be, 0x26a8, 0x85fa, 0x2768, 0x8637,
|
||||
<a name="l00278"></a>00278 0x2827, 0x8676, 0x28e5, 0x86b6, 0x29a4, 0x86f6, 0x2a62, 0x8738,
|
||||
<a name="l00279"></a>00279 0x2b1f, 0x877b, 0x2bdc, 0x87c0, 0x2c99, 0x8805, 0x2d55, 0x884c,
|
||||
<a name="l00280"></a>00280 0x2e11, 0x8894, 0x2ecc, 0x88dd, 0x2f87, 0x8927, 0x3042, 0x8972,
|
||||
<a name="l00281"></a>00281 0x30fc, 0x89be, 0x31b5, 0x8a0c, 0x326e, 0x8a5a, 0x3327, 0x8aaa,
|
||||
<a name="l00282"></a>00282 0x33df, 0x8afb, 0x3497, 0x8b4d, 0x354e, 0x8ba0, 0x3604, 0x8bf5,
|
||||
<a name="l00283"></a>00283 0x36ba, 0x8c4a, 0x3770, 0x8ca1, 0x3825, 0x8cf8, 0x38d9, 0x8d51,
|
||||
<a name="l00284"></a>00284 0x398d, 0x8dab, 0x3a40, 0x8e06, 0x3af3, 0x8e62, 0x3ba5, 0x8ebf,
|
||||
<a name="l00285"></a>00285 0x3c57, 0x8f1d, 0x3d08, 0x8f7d, 0x3db8, 0x8fdd, 0x3e68, 0x903e,
|
||||
<a name="l00286"></a>00286 0x3f17, 0x90a1, 0x3fc6, 0x9105, 0x4074, 0x9169, 0x4121, 0x91cf,
|
||||
<a name="l00287"></a>00287 0x41ce, 0x9236, 0x427a, 0x929e, 0x4326, 0x9307, 0x43d1, 0x9371,
|
||||
<a name="l00288"></a>00288 0x447b, 0x93dc, 0x4524, 0x9448, 0x45cd, 0x94b5, 0x4675, 0x9523,
|
||||
<a name="l00289"></a>00289 0x471d, 0x9592, 0x47c4, 0x9603, 0x486a, 0x9674, 0x490f, 0x96e6,
|
||||
<a name="l00290"></a>00290 0x49b4, 0x9759, 0x4a58, 0x97ce, 0x4afb, 0x9843, 0x4b9e, 0x98b9,
|
||||
<a name="l00291"></a>00291 0x4c40, 0x9930, 0x4ce1, 0x99a9, 0x4d81, 0x9a22, 0x4e21, 0x9a9c,
|
||||
<a name="l00292"></a>00292 0x4ec0, 0x9b17, 0x4f5e, 0x9b94, 0x4ffb, 0x9c11, 0x5098, 0x9c8f,
|
||||
<a name="l00293"></a>00293 0x5134, 0x9d0e, 0x51cf, 0x9d8e, 0x5269, 0x9e0f, 0x5303, 0x9e91,
|
||||
<a name="l00294"></a>00294 0x539b, 0x9f14, 0x5433, 0x9f98, 0x54ca, 0xa01c, 0x5560, 0xa0a2,
|
||||
<a name="l00295"></a>00295 0x55f6, 0xa129, 0x568a, 0xa1b0, 0x571e, 0xa238, 0x57b1, 0xa2c2,
|
||||
<a name="l00296"></a>00296 0x5843, 0xa34c, 0x58d4, 0xa3d7, 0x5964, 0xa463, 0x59f4, 0xa4f0,
|
||||
<a name="l00297"></a>00297 0x5a82, 0xa57e, 0x5b10, 0xa60c, 0x5b9d, 0xa69c, 0x5c29, 0xa72c,
|
||||
<a name="l00298"></a>00298 0x5cb4, 0xa7bd, 0x5d3e, 0xa84f, 0x5dc8, 0xa8e2, 0x5e50, 0xa976,
|
||||
<a name="l00299"></a>00299 0x5ed7, 0xaa0a, 0x5f5e, 0xaaa0, 0x5fe4, 0xab36, 0x6068, 0xabcd,
|
||||
<a name="l00300"></a>00300 0x60ec, 0xac65, 0x616f, 0xacfd, 0x61f1, 0xad97, 0x6272, 0xae31,
|
||||
<a name="l00301"></a>00301 0x62f2, 0xaecc, 0x6371, 0xaf68, 0x63ef, 0xb005, 0x646c, 0xb0a2,
|
||||
<a name="l00302"></a>00302 0x64e9, 0xb140, 0x6564, 0xb1df, 0x65de, 0xb27f, 0x6657, 0xb31f,
|
||||
<a name="l00303"></a>00303 0x66d0, 0xb3c0, 0x6747, 0xb462, 0x67bd, 0xb505, 0x6832, 0xb5a8,
|
||||
<a name="l00304"></a>00304 0x68a7, 0xb64c, 0x691a, 0xb6f1, 0x698c, 0xb796, 0x69fd, 0xb83c,
|
||||
<a name="l00305"></a>00305 0x6a6e, 0xb8e3, 0x6add, 0xb98b, 0x6b4b, 0xba33, 0x6bb8, 0xbadc,
|
||||
<a name="l00306"></a>00306 0x6c24, 0xbb85, 0x6c8f, 0xbc2f, 0x6cf9, 0xbcda, 0x6d62, 0xbd86,
|
||||
<a name="l00307"></a>00307 0x6dca, 0xbe32, 0x6e31, 0xbedf, 0x6e97, 0xbf8c, 0x6efb, 0xc03a,
|
||||
<a name="l00308"></a>00308 0x6f5f, 0xc0e9, 0x6fc2, 0xc198, 0x7023, 0xc248, 0x7083, 0xc2f8,
|
||||
<a name="l00309"></a>00309 0x70e3, 0xc3a9, 0x7141, 0xc45b, 0x719e, 0xc50d, 0x71fa, 0xc5c0,
|
||||
<a name="l00310"></a>00310 0x7255, 0xc673, 0x72af, 0xc727, 0x7308, 0xc7db, 0x735f, 0xc890,
|
||||
<a name="l00311"></a>00311 0x73b6, 0xc946, 0x740b, 0xc9fc, 0x7460, 0xcab2, 0x74b3, 0xcb69,
|
||||
<a name="l00312"></a>00312 0x7505, 0xcc21, 0x7556, 0xccd9, 0x75a6, 0xcd92, 0x75f4, 0xce4b,
|
||||
<a name="l00313"></a>00313 0x7642, 0xcf04, 0x768e, 0xcfbe, 0x76d9, 0xd079, 0x7723, 0xd134,
|
||||
<a name="l00314"></a>00314 0x776c, 0xd1ef, 0x77b4, 0xd2ab, 0x77fb, 0xd367, 0x7840, 0xd424,
|
||||
<a name="l00315"></a>00315 0x7885, 0xd4e1, 0x78c8, 0xd59e, 0x790a, 0xd65c, 0x794a, 0xd71b,
|
||||
<a name="l00316"></a>00316 0x798a, 0xd7d9, 0x79c9, 0xd898, 0x7a06, 0xd958, 0x7a42, 0xda18,
|
||||
<a name="l00317"></a>00317 0x7a7d, 0xdad8, 0x7ab7, 0xdb99, 0x7aef, 0xdc59, 0x7b27, 0xdd1b,
|
||||
<a name="l00318"></a>00318 0x7b5d, 0xdddc, 0x7b92, 0xde9e, 0x7bc6, 0xdf61, 0x7bf9, 0xe023,
|
||||
<a name="l00319"></a>00319 0x7c2a, 0xe0e6, 0x7c5a, 0xe1a9, 0x7c89, 0xe26d, 0x7cb7, 0xe330,
|
||||
<a name="l00320"></a>00320 0x7ce4, 0xe3f4, 0x7d0f, 0xe4b9, 0x7d3a, 0xe57d, 0x7d63, 0xe642,
|
||||
<a name="l00321"></a>00321 0x7d8a, 0xe707, 0x7db1, 0xe7cd, 0x7dd6, 0xe892, 0x7dfb, 0xe958,
|
||||
<a name="l00322"></a>00322 0x7e1e, 0xea1e, 0x7e3f, 0xeae4, 0x7e60, 0xebab, 0x7e7f, 0xec71,
|
||||
<a name="l00323"></a>00323 0x7e9d, 0xed38, 0x7eba, 0xedff, 0x7ed6, 0xeec6, 0x7ef0, 0xef8d,
|
||||
<a name="l00324"></a>00324 0x7f0a, 0xf055, 0x7f22, 0xf11c, 0x7f38, 0xf1e4, 0x7f4e, 0xf2ac,
|
||||
<a name="l00325"></a>00325 0x7f62, 0xf374, 0x7f75, 0xf43c, 0x7f87, 0xf505, 0x7f98, 0xf5cd,
|
||||
<a name="l00326"></a>00326 0x7fa7, 0xf695, 0x7fb5, 0xf75e, 0x7fc2, 0xf827, 0x7fce, 0xf8ef,
|
||||
<a name="l00327"></a>00327 0x7fd9, 0xf9b8, 0x7fe2, 0xfa81, 0x7fea, 0xfb4a, 0x7ff1, 0xfc13,
|
||||
<a name="l00328"></a>00328 0x7ff6, 0xfcdc, 0x7ffa, 0xfda5, 0x7ffe, 0xfe6e, 0x7fff, 0xff37
|
||||
<a name="l00329"></a>00329 };
|
||||
<a name="l00330"></a>00330
|
||||
<a name="l00331"></a>00331
|
||||
<a name="l00353"></a><a class="code" href="group___c_f_f_t___c_i_f_f_t.html#ga0c2acfda3126c452e75b81669e8ad9ef">00353</a> <a class="code" href="arm__math_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6" title="Error status returned by some functions in the library.">arm_status</a> <a class="code" href="group___c_f_f_t___c_i_f_f_t.html#ga0c2acfda3126c452e75b81669e8ad9ef" title="Initialization function for the Q15 CFFT/CIFFT.">arm_cfft_radix4_init_q15</a>(
|
||||
<a name="l00354"></a>00354 <a class="code" href="structarm__cfft__radix4__instance__q15.html" title="Instance structure for the Q15 CFFT/CIFFT function.">arm_cfft_radix4_instance_q15</a> * S,
|
||||
<a name="l00355"></a>00355 uint16_t fftLen,
|
||||
<a name="l00356"></a>00356 uint8_t <a class="code" href="arm__fft__bin__example__f32_8c.html#a379ccb99013d369a41b49619083c16ef">ifftFlag</a>,
|
||||
<a name="l00357"></a>00357 uint8_t bitReverseFlag)
|
||||
<a name="l00358"></a>00358 {
|
||||
<a name="l00359"></a>00359 <span class="comment">/* Initialise the default arm status */</span>
|
||||
<a name="l00360"></a>00360 <a class="code" href="arm__math_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6" title="Error status returned by some functions in the library.">arm_status</a> <a class="code" href="arm__dotproduct__example__f32_8c.html#a88ccb294236ab22b00310c47164c53c3">status</a> = <a class="code" href="arm__math_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6a9f8b2a10bd827fb4600e77d455902eb0">ARM_MATH_SUCCESS</a>;
|
||||
<a name="l00361"></a>00361 <span class="comment">/* Initialise the FFT length */</span>
|
||||
<a name="l00362"></a>00362 S-><a class="code" href="structarm__cfft__radix4__instance__q15.html#a5fc543e7d84ca8cb7cf6648970f21ca6">fftLen</a> = fftLen;
|
||||
<a name="l00363"></a>00363 <span class="comment">/* Initialise the Twiddle coefficient pointer */</span>
|
||||
<a name="l00364"></a>00364 S-><a class="code" href="structarm__cfft__radix4__instance__q15.html#a29dd693537e45421a36891f8439e1fba">pTwiddle</a> = (<a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> *) <a class="code" href="group___c_f_f_t___c_i_f_f_t.html#ga5a1667c1f9ffa6b40cddb90034d7d3b0">twiddleCoefQ15</a>;
|
||||
<a name="l00365"></a>00365 <span class="comment">/* Initialise the Flag for selection of CFFT or CIFFT */</span>
|
||||
<a name="l00366"></a>00366 S-><a class="code" href="structarm__cfft__radix4__instance__q15.html#a2ecff6ea735cb4d22e922d0fd5736655">ifftFlag</a> = <a class="code" href="arm__fft__bin__example__f32_8c.html#a379ccb99013d369a41b49619083c16ef">ifftFlag</a>;
|
||||
<a name="l00367"></a>00367 <span class="comment">/* Initialise the Flag for calculation Bit reversal or not */</span>
|
||||
<a name="l00368"></a>00368 S-><a class="code" href="structarm__cfft__radix4__instance__q15.html#a101e3f7b0bd6b5b14cd5214f23df4133">bitReverseFlag</a> = bitReverseFlag;
|
||||
<a name="l00369"></a>00369
|
||||
<a name="l00370"></a>00370 <span class="comment">/* Initializations of structure parameters depending on the FFT length */</span>
|
||||
<a name="l00371"></a>00371 <span class="keywordflow">switch</span> (S-><a class="code" href="structarm__cfft__radix4__instance__q15.html#a5fc543e7d84ca8cb7cf6648970f21ca6">fftLen</a>)
|
||||
<a name="l00372"></a>00372 {
|
||||
<a name="l00373"></a>00373 <span class="comment">/* Initializations of structure parameters for 1024 point FFT */</span>
|
||||
<a name="l00374"></a>00374 <span class="keywordflow">case</span> 1024u:
|
||||
<a name="l00375"></a>00375 <span class="comment">/* Initialise the twiddle coef modifier value */</span>
|
||||
<a name="l00376"></a>00376 S-><a class="code" href="structarm__cfft__radix4__instance__q15.html#af32fdc78bcc27ca385f9b76a0a1f71c3">twidCoefModifier</a> = 1u;
|
||||
<a name="l00377"></a>00377 <span class="comment">/* Initialise the bit reversal table modifier */</span>
|
||||
<a name="l00378"></a>00378 S-><a class="code" href="structarm__cfft__radix4__instance__q15.html#a6b010e5f02d1130c621e3d2e26b95df1">bitRevFactor</a> = 1u;
|
||||
<a name="l00379"></a>00379 <span class="comment">/* Initialise the bit reversal table pointer */</span>
|
||||
<a name="l00380"></a>00380 S-><a class="code" href="structarm__cfft__radix4__instance__q15.html#a4acf704ae0cf30b53bf0fbfae8e34a59">pBitRevTable</a> = <a class="code" href="group___c_f_f_t___c_i_f_f_t.html#gaaa17ffb170c2ca8a37d5c62c09e334ba">armBitRevTable</a>;
|
||||
<a name="l00381"></a>00381
|
||||
<a name="l00382"></a>00382 <span class="keywordflow">break</span>;
|
||||
<a name="l00383"></a>00383 <span class="keywordflow">case</span> 256u:
|
||||
<a name="l00384"></a>00384 <span class="comment">/* Initializations of structure parameters for 2566 point FFT */</span>
|
||||
<a name="l00385"></a>00385 S-><a class="code" href="structarm__cfft__radix4__instance__q15.html#af32fdc78bcc27ca385f9b76a0a1f71c3">twidCoefModifier</a> = 4u;
|
||||
<a name="l00386"></a>00386 S-><a class="code" href="structarm__cfft__radix4__instance__q15.html#a6b010e5f02d1130c621e3d2e26b95df1">bitRevFactor</a> = 4u;
|
||||
<a name="l00387"></a>00387 S-><a class="code" href="structarm__cfft__radix4__instance__q15.html#a4acf704ae0cf30b53bf0fbfae8e34a59">pBitRevTable</a> = &<a class="code" href="group___c_f_f_t___c_i_f_f_t.html#gaaa17ffb170c2ca8a37d5c62c09e334ba">armBitRevTable</a>[3];
|
||||
<a name="l00388"></a>00388
|
||||
<a name="l00389"></a>00389 <span class="keywordflow">break</span>;
|
||||
<a name="l00390"></a>00390 <span class="keywordflow">case</span> 64u:
|
||||
<a name="l00391"></a>00391 <span class="comment">/* Initializations of structure parameters for 64 point FFT */</span>
|
||||
<a name="l00392"></a>00392 S-><a class="code" href="structarm__cfft__radix4__instance__q15.html#af32fdc78bcc27ca385f9b76a0a1f71c3">twidCoefModifier</a> = 16u;
|
||||
<a name="l00393"></a>00393 S-><a class="code" href="structarm__cfft__radix4__instance__q15.html#a6b010e5f02d1130c621e3d2e26b95df1">bitRevFactor</a> = 16u;
|
||||
<a name="l00394"></a>00394 S-><a class="code" href="structarm__cfft__radix4__instance__q15.html#a4acf704ae0cf30b53bf0fbfae8e34a59">pBitRevTable</a> = &<a class="code" href="group___c_f_f_t___c_i_f_f_t.html#gaaa17ffb170c2ca8a37d5c62c09e334ba">armBitRevTable</a>[15];
|
||||
<a name="l00395"></a>00395
|
||||
<a name="l00396"></a>00396 <span class="keywordflow">break</span>;
|
||||
<a name="l00397"></a>00397 <span class="keywordflow">case</span> 16u:
|
||||
<a name="l00398"></a>00398 <span class="comment">/* Initializations of structure parameters for 16 point FFT */</span>
|
||||
<a name="l00399"></a>00399 S-><a class="code" href="structarm__cfft__radix4__instance__q15.html#af32fdc78bcc27ca385f9b76a0a1f71c3">twidCoefModifier</a> = 64u;
|
||||
<a name="l00400"></a>00400 S-><a class="code" href="structarm__cfft__radix4__instance__q15.html#a6b010e5f02d1130c621e3d2e26b95df1">bitRevFactor</a> = 64u;
|
||||
<a name="l00401"></a>00401 S-><a class="code" href="structarm__cfft__radix4__instance__q15.html#a4acf704ae0cf30b53bf0fbfae8e34a59">pBitRevTable</a> = &<a class="code" href="group___c_f_f_t___c_i_f_f_t.html#gaaa17ffb170c2ca8a37d5c62c09e334ba">armBitRevTable</a>[63];
|
||||
<a name="l00402"></a>00402
|
||||
<a name="l00403"></a>00403 <span class="keywordflow">break</span>;
|
||||
<a name="l00404"></a>00404 <span class="keywordflow">default</span>:
|
||||
<a name="l00405"></a>00405 <span class="comment">/* Reporting argument error if fftSize is not valid value */</span>
|
||||
<a name="l00406"></a>00406 status = <a class="code" href="arm__math_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6a74897e18d4b8f62b12a7d8a01dd2bb35">ARM_MATH_ARGUMENT_ERROR</a>;
|
||||
<a name="l00407"></a>00407 <span class="keywordflow">break</span>;
|
||||
<a name="l00408"></a>00408 }
|
||||
<a name="l00409"></a>00409
|
||||
<a name="l00410"></a>00410 <span class="keywordflow">return</span> (status);
|
||||
<a name="l00411"></a>00411 }
|
||||
<a name="l00412"></a>00412
|
||||
</pre></div></div>
|
||||
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<h1>arm_cfft_radix4_init_q31.c File Reference</h1> </div>
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<code>#include "<a class="el" href="arm__math_8h_source.html">arm_math.h</a>"</code><br/>
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<code>#include "arm_common_tables.h"</code><br/>
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Functions</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6">arm_status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___c_f_f_t___c_i_f_f_t.html#gad5caaafeec900c8ff72321c01bbd462c">arm_cfft_radix4_init_q31</a> (<a class="el" href="structarm__cfft__radix4__instance__q31.html">arm_cfft_radix4_instance_q31</a> *S, uint16_t fftLen, uint8_t <a class="el" href="arm__fft__bin__example__f32_8c.html#a379ccb99013d369a41b49619083c16ef">ifftFlag</a>, uint8_t bitReverseFlag)</td></tr>
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|
||||
<tr><td class="memItemLeft" align="right" valign="top">static const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___c_f_f_t___c_i_f_f_t.html#gaaff0656425a80136572711cefae9800f">twiddleCoefQ31</a> [2048]</td></tr>
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<h1>arm_cfft_radix4_init_q31.c</h1> </div>
|
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<a href="arm__cfft__radix4__init__q31_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* ---------------------------------------------------------------------- </span>
|
||||
<a name="l00002"></a>00002 <span class="comment">* Copyright (C) 2010 ARM Limited. All rights reserved. </span>
|
||||
<a name="l00003"></a>00003 <span class="comment">* </span>
|
||||
<a name="l00004"></a>00004 <span class="comment">* $Date: 15. July 2011 </span>
|
||||
<a name="l00005"></a>00005 <span class="comment">* $Revision: V1.0.10 </span>
|
||||
<a name="l00006"></a>00006 <span class="comment">* </span>
|
||||
<a name="l00007"></a>00007 <span class="comment">* Project: CMSIS DSP Library </span>
|
||||
<a name="l00008"></a>00008 <span class="comment">* Title: arm_cfft_radix4_init_q31.c </span>
|
||||
<a name="l00009"></a>00009 <span class="comment">* </span>
|
||||
<a name="l00010"></a>00010 <span class="comment">* Description: Radix-4 Decimation in Frequency Q31 FFT & IFFT initialization function </span>
|
||||
<a name="l00011"></a>00011 <span class="comment">* </span>
|
||||
<a name="l00012"></a>00012 <span class="comment">* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0</span>
|
||||
<a name="l00013"></a>00013 <span class="comment">* </span>
|
||||
<a name="l00014"></a>00014 <span class="comment">* Version 1.0.10 2011/7/15 </span>
|
||||
<a name="l00015"></a>00015 <span class="comment">* Big Endian support added and Merged M0 and M3/M4 Source code. </span>
|
||||
<a name="l00016"></a>00016 <span class="comment">* </span>
|
||||
<a name="l00017"></a>00017 <span class="comment">* Version 1.0.3 2010/11/29 </span>
|
||||
<a name="l00018"></a>00018 <span class="comment">* Re-organized the CMSIS folders and updated documentation. </span>
|
||||
<a name="l00019"></a>00019 <span class="comment">* </span>
|
||||
<a name="l00020"></a>00020 <span class="comment">* Version 1.0.2 2010/11/11 </span>
|
||||
<a name="l00021"></a>00021 <span class="comment">* Documentation updated. </span>
|
||||
<a name="l00022"></a>00022 <span class="comment">* </span>
|
||||
<a name="l00023"></a>00023 <span class="comment">* Version 1.0.1 2010/10/05 </span>
|
||||
<a name="l00024"></a>00024 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00025"></a>00025 <span class="comment">* </span>
|
||||
<a name="l00026"></a>00026 <span class="comment">* Version 1.0.0 2010/09/20 </span>
|
||||
<a name="l00027"></a>00027 <span class="comment">* Production release and review comments incorporated. </span>
|
||||
<a name="l00028"></a>00028 <span class="comment">* </span>
|
||||
<a name="l00029"></a>00029 <span class="comment">* Version 0.0.5 2010/04/26 </span>
|
||||
<a name="l00030"></a>00030 <span class="comment">* incorporated review comments and updated with latest CMSIS layer </span>
|
||||
<a name="l00031"></a>00031 <span class="comment">* </span>
|
||||
<a name="l00032"></a>00032 <span class="comment">* Version 0.0.3 2010/03/10 </span>
|
||||
<a name="l00033"></a>00033 <span class="comment">* Initial version </span>
|
||||
<a name="l00034"></a>00034 <span class="comment">* -------------------------------------------------------------------- */</span>
|
||||
<a name="l00035"></a>00035
|
||||
<a name="l00036"></a>00036 <span class="preprocessor">#include "<a class="code" href="arm__math_8h.html">arm_math.h</a>"</span>
|
||||
<a name="l00037"></a>00037 <span class="preprocessor">#include "arm_common_tables.h"</span>
|
||||
<a name="l00038"></a>00038
|
||||
<a name="l00048"></a>00048 <span class="comment">/* </span>
|
||||
<a name="l00049"></a>00049 <span class="comment">* @brief Twiddle factors Table </span>
|
||||
<a name="l00050"></a>00050 <span class="comment">*/</span>
|
||||
<a name="l00051"></a>00051
|
||||
<a name="l00071"></a><a class="code" href="group___c_f_f_t___c_i_f_f_t.html#gaaff0656425a80136572711cefae9800f">00071</a> <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> <a class="code" href="group___c_f_f_t___c_i_f_f_t.html#gaaff0656425a80136572711cefae9800f">twiddleCoefQ31</a>[2048] = {
|
||||
<a name="l00072"></a>00072 0x7fffffff, 0x0, 0x7fff6216, 0xc90f88, 0x7ffd885a, 0x1921d20, 0x7ffa72d1,
|
||||
<a name="l00073"></a>00073 0x25b26d7,
|
||||
<a name="l00074"></a>00074 0x7ff62182, 0x3242abf, 0x7ff09478, 0x3ed26e6, 0x7fe9cbc0, 0x4b6195d,
|
||||
<a name="l00075"></a>00075 0x7fe1c76b, 0x57f0035,
|
||||
<a name="l00076"></a>00076 0x7fd8878e, 0x647d97c, 0x7fce0c3e, 0x710a345, 0x7fc25596, 0x7d95b9e,
|
||||
<a name="l00077"></a>00077 0x7fb563b3, 0x8a2009a,
|
||||
<a name="l00078"></a>00078 0x7fa736b4, 0x96a9049, 0x7f97cebd, 0xa3308bd, 0x7f872bf3, 0xafb6805,
|
||||
<a name="l00079"></a>00079 0x7f754e80, 0xbc3ac35,
|
||||
<a name="l00080"></a>00080 0x7f62368f, 0xc8bd35e, 0x7f4de451, 0xd53db92, 0x7f3857f6, 0xe1bc2e4,
|
||||
<a name="l00081"></a>00081 0x7f2191b4, 0xee38766,
|
||||
<a name="l00082"></a>00082 0x7f0991c4, 0xfab272b, 0x7ef05860, 0x1072a048, 0x7ed5e5c6, 0x1139f0cf,
|
||||
<a name="l00083"></a>00083 0x7eba3a39, 0x120116d5,
|
||||
<a name="l00084"></a>00084 0x7e9d55fc, 0x12c8106f, 0x7e7f3957, 0x138edbb1, 0x7e5fe493, 0x145576b1,
|
||||
<a name="l00085"></a>00085 0x7e3f57ff, 0x151bdf86,
|
||||
<a name="l00086"></a>00086 0x7e1d93ea, 0x15e21445, 0x7dfa98a8, 0x16a81305, 0x7dd6668f, 0x176dd9de,
|
||||
<a name="l00087"></a>00087 0x7db0fdf8, 0x183366e9,
|
||||
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|
||||
<a name="l00089"></a>00089 0x7d0f4218, 0x1b4732ef,
|
||||
<a name="l00090"></a>00090 0x7ce3ceb2, 0x1c0b826a, 0x7cb72724, 0x1ccf8cb3, 0x7c894bde, 0x1d934fe5,
|
||||
<a name="l00091"></a>00091 0x7c5a3d50, 0x1e56ca1e,
|
||||
<a name="l00092"></a>00092 0x7c29fbee, 0x1f19f97b, 0x7bf88830, 0x1fdcdc1b, 0x7bc5e290, 0x209f701c,
|
||||
<a name="l00093"></a>00093 0x7b920b89, 0x2161b3a0,
|
||||
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|
||||
<a name="l00095"></a>00095 0x7ab6cba4, 0x24677758,
|
||||
<a name="l00096"></a>00096 0x7a7d055b, 0x25280c5e, 0x7a4210d8, 0x25e845b6, 0x7a05eead, 0x26a82186,
|
||||
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|
||||
<a name="l00099"></a>00099 0x78c7aba2, 0x2a61b101,
|
||||
<a name="l00100"></a>00100 0x78848414, 0x2b1f34eb, 0x78403329, 0x2bdc4e6f, 0x77fab989, 0x2c98fbba,
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<a name="l00101"></a>00101 0x77b417df, 0x2d553afc,
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||||
<a name="l00102"></a>00102 0x776c4edb, 0x2e110a62, 0x77235f2d, 0x2ecc681e, 0x76d94989, 0x2f875262,
|
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<a name="l00103"></a>00103 0x768e0ea6, 0x3041c761,
|
||||
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|
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|
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|
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||||
<a name="l00108"></a>00108 0x73b5ebd1, 0x36ba2014, 0x735f6626, 0x376f9e46, 0x7307c3d0, 0x382493b0,
|
||||
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||||
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|
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|
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|
||||
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|
||||
<a name="l00114"></a>00114 0x6f5f02b2, 0x3f1749b8, 0x6efb5f12, 0x3fc5ec98, 0x6e96a99d, 0x4073f21d,
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|
||||
<a name="l00117"></a>00117 0x6c8f351c, 0x43d09aed,
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||||
<a name="l00118"></a>00118 0x6c242960, 0x447acd50, 0x6bb812d1, 0x452456bd, 0x6b4af279, 0x45cd358f,
|
||||
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||||
<a name="l00120"></a>00120 0x6a6d98a4, 0x471cece7, 0x69fd614a, 0x47c3c22f, 0x698c246c, 0x4869e665,
|
||||
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||||
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|
||||
<a name="l00123"></a>00123 0x6746c7d8, 0x4b9e0390,
|
||||
<a name="l00124"></a>00124 0x66cf8120, 0x4c3fdff4, 0x66573cbb, 0x4ce10034, 0x65ddfbd3, 0x4d8162c4,
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||||
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||||
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||||
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||||
<a name="l00128"></a>00128 0x62f201ac, 0x5133cc94, 0x6271fa69, 0x51ced46e, 0x61f1003f, 0x5269126e,
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<a name="l00129"></a>00129 0x616f146c, 0x53028518,
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||||
<a name="l00130"></a>00130 0x60ec3830, 0x539b2af0, 0x60686ccf, 0x5433027d, 0x5fe3b38d, 0x54ca0a4b,
|
||||
<a name="l00131"></a>00131 0x5f5e0db3, 0x556040e2,
|
||||
<a name="l00132"></a>00132 0x5ed77c8a, 0x55f5a4d2, 0x5e50015d, 0x568a34a9, 0x5dc79d7c, 0x571deefa,
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||||
<a name="l00133"></a>00133 0x5d3e5237, 0x57b0d256,
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||||
<a name="l00134"></a>00134 0x5cb420e0, 0x5842dd54, 0x5c290acc, 0x58d40e8c, 0x5b9d1154, 0x59646498,
|
||||
<a name="l00135"></a>00135 0x5b1035cf, 0x59f3de12,
|
||||
<a name="l00136"></a>00136 0x5a82799a, 0x5a82799a, 0x59f3de12, 0x5b1035cf, 0x59646498, 0x5b9d1154,
|
||||
<a name="l00137"></a>00137 0x58d40e8c, 0x5c290acc,
|
||||
<a name="l00138"></a>00138 0x5842dd54, 0x5cb420e0, 0x57b0d256, 0x5d3e5237, 0x571deefa, 0x5dc79d7c,
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||||
<a name="l00139"></a>00139 0x568a34a9, 0x5e50015d,
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||||
<a name="l00140"></a>00140 0x55f5a4d2, 0x5ed77c8a, 0x556040e2, 0x5f5e0db3, 0x54ca0a4b, 0x5fe3b38d,
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||||
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||||
<a name="l00142"></a>00142 0x539b2af0, 0x60ec3830, 0x53028518, 0x616f146c, 0x5269126e, 0x61f1003f,
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||||
<a name="l00143"></a>00143 0x51ced46e, 0x6271fa69,
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||||
<a name="l00144"></a>00144 0x5133cc94, 0x62f201ac, 0x5097fc5e, 0x637114cc, 0x4ffb654d, 0x63ef3290,
|
||||
<a name="l00145"></a>00145 0x4f5e08e3, 0x646c59bf,
|
||||
<a name="l00146"></a>00146 0x4ebfe8a5, 0x64e88926, 0x4e210617, 0x6563bf92, 0x4d8162c4, 0x65ddfbd3,
|
||||
<a name="l00147"></a>00147 0x4ce10034, 0x66573cbb,
|
||||
<a name="l00148"></a>00148 0x4c3fdff4, 0x66cf8120, 0x4b9e0390, 0x6746c7d8, 0x4afb6c98, 0x67bd0fbd,
|
||||
<a name="l00149"></a>00149 0x4a581c9e, 0x683257ab,
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||||
<a name="l00150"></a>00150 0x49b41533, 0x68a69e81, 0x490f57ee, 0x6919e320, 0x4869e665, 0x698c246c,
|
||||
<a name="l00151"></a>00151 0x47c3c22f, 0x69fd614a,
|
||||
<a name="l00152"></a>00152 0x471cece7, 0x6a6d98a4, 0x46756828, 0x6adcc964, 0x45cd358f, 0x6b4af279,
|
||||
<a name="l00153"></a>00153 0x452456bd, 0x6bb812d1,
|
||||
<a name="l00154"></a>00154 0x447acd50, 0x6c242960, 0x43d09aed, 0x6c8f351c, 0x4325c135, 0x6cf934fc,
|
||||
<a name="l00155"></a>00155 0x427a41d0, 0x6d6227fa,
|
||||
<a name="l00156"></a>00156 0x41ce1e65, 0x6dca0d14, 0x4121589b, 0x6e30e34a, 0x4073f21d, 0x6e96a99d,
|
||||
<a name="l00157"></a>00157 0x3fc5ec98, 0x6efb5f12,
|
||||
<a name="l00158"></a>00158 0x3f1749b8, 0x6f5f02b2, 0x3e680b2c, 0x6fc19385, 0x3db832a6, 0x7023109a,
|
||||
<a name="l00159"></a>00159 0x3d07c1d6, 0x708378ff,
|
||||
<a name="l00160"></a>00160 0x3c56ba70, 0x70e2cbc6, 0x3ba51e29, 0x71410805, 0x3af2eeb7, 0x719e2cd2,
|
||||
<a name="l00161"></a>00161 0x3a402dd2, 0x71fa3949,
|
||||
<a name="l00162"></a>00162 0x398cdd32, 0x72552c85, 0x38d8fe93, 0x72af05a7, 0x382493b0, 0x7307c3d0,
|
||||
<a name="l00163"></a>00163 0x376f9e46, 0x735f6626,
|
||||
<a name="l00164"></a>00164 0x36ba2014, 0x73b5ebd1, 0x36041ad9, 0x740b53fb, 0x354d9057, 0x745f9dd1,
|
||||
<a name="l00165"></a>00165 0x34968250, 0x74b2c884,
|
||||
<a name="l00166"></a>00166 0x33def287, 0x7504d345, 0x3326e2c3, 0x7555bd4c, 0x326e54c7, 0x75a585cf,
|
||||
<a name="l00167"></a>00167 0x31b54a5e, 0x75f42c0b,
|
||||
<a name="l00168"></a>00168 0x30fbc54d, 0x7641af3d, 0x3041c761, 0x768e0ea6, 0x2f875262, 0x76d94989,
|
||||
<a name="l00169"></a>00169 0x2ecc681e, 0x77235f2d,
|
||||
<a name="l00170"></a>00170 0x2e110a62, 0x776c4edb, 0x2d553afc, 0x77b417df, 0x2c98fbba, 0x77fab989,
|
||||
<a name="l00171"></a>00171 0x2bdc4e6f, 0x78403329,
|
||||
<a name="l00172"></a>00172 0x2b1f34eb, 0x78848414, 0x2a61b101, 0x78c7aba2, 0x29a3c485, 0x7909a92d,
|
||||
<a name="l00173"></a>00173 0x28e5714b, 0x794a7c12,
|
||||
<a name="l00174"></a>00174 0x2826b928, 0x798a23b1, 0x27679df4, 0x79c89f6e, 0x26a82186, 0x7a05eead,
|
||||
<a name="l00175"></a>00175 0x25e845b6, 0x7a4210d8,
|
||||
<a name="l00176"></a>00176 0x25280c5e, 0x7a7d055b, 0x24677758, 0x7ab6cba4, 0x23a6887f, 0x7aef6323,
|
||||
<a name="l00177"></a>00177 0x22e541af, 0x7b26cb4f,
|
||||
<a name="l00178"></a>00178 0x2223a4c5, 0x7b5d039e, 0x2161b3a0, 0x7b920b89, 0x209f701c, 0x7bc5e290,
|
||||
<a name="l00179"></a>00179 0x1fdcdc1b, 0x7bf88830,
|
||||
<a name="l00180"></a>00180 0x1f19f97b, 0x7c29fbee, 0x1e56ca1e, 0x7c5a3d50, 0x1d934fe5, 0x7c894bde,
|
||||
<a name="l00181"></a>00181 0x1ccf8cb3, 0x7cb72724,
|
||||
<a name="l00182"></a>00182 0x1c0b826a, 0x7ce3ceb2, 0x1b4732ef, 0x7d0f4218, 0x1a82a026, 0x7d3980ec,
|
||||
<a name="l00183"></a>00183 0x19bdcbf3, 0x7d628ac6,
|
||||
<a name="l00184"></a>00184 0x18f8b83c, 0x7d8a5f40, 0x183366e9, 0x7db0fdf8, 0x176dd9de, 0x7dd6668f,
|
||||
<a name="l00185"></a>00185 0x16a81305, 0x7dfa98a8,
|
||||
<a name="l00186"></a>00186 0x15e21445, 0x7e1d93ea, 0x151bdf86, 0x7e3f57ff, 0x145576b1, 0x7e5fe493,
|
||||
<a name="l00187"></a>00187 0x138edbb1, 0x7e7f3957,
|
||||
<a name="l00188"></a>00188 0x12c8106f, 0x7e9d55fc, 0x120116d5, 0x7eba3a39, 0x1139f0cf, 0x7ed5e5c6,
|
||||
<a name="l00189"></a>00189 0x1072a048, 0x7ef05860,
|
||||
<a name="l00190"></a>00190 0xfab272b, 0x7f0991c4, 0xee38766, 0x7f2191b4, 0xe1bc2e4, 0x7f3857f6,
|
||||
<a name="l00191"></a>00191 0xd53db92, 0x7f4de451,
|
||||
<a name="l00192"></a>00192 0xc8bd35e, 0x7f62368f, 0xbc3ac35, 0x7f754e80, 0xafb6805, 0x7f872bf3,
|
||||
<a name="l00193"></a>00193 0xa3308bd, 0x7f97cebd,
|
||||
<a name="l00194"></a>00194 0x96a9049, 0x7fa736b4, 0x8a2009a, 0x7fb563b3, 0x7d95b9e, 0x7fc25596,
|
||||
<a name="l00195"></a>00195 0x710a345, 0x7fce0c3e,
|
||||
<a name="l00196"></a>00196 0x647d97c, 0x7fd8878e, 0x57f0035, 0x7fe1c76b, 0x4b6195d, 0x7fe9cbc0,
|
||||
<a name="l00197"></a>00197 0x3ed26e6, 0x7ff09478,
|
||||
<a name="l00198"></a>00198 0x3242abf, 0x7ff62182, 0x25b26d7, 0x7ffa72d1, 0x1921d20, 0x7ffd885a,
|
||||
<a name="l00199"></a>00199 0xc90f88, 0x7fff6216,
|
||||
<a name="l00200"></a>00200 0x0, 0x7fffffff, 0xff36f078, 0x7fff6216, 0xfe6de2e0, 0x7ffd885a, 0xfda4d929,
|
||||
<a name="l00201"></a>00201 0x7ffa72d1,
|
||||
<a name="l00202"></a>00202 0xfcdbd541, 0x7ff62182, 0xfc12d91a, 0x7ff09478, 0xfb49e6a3, 0x7fe9cbc0,
|
||||
<a name="l00203"></a>00203 0xfa80ffcb, 0x7fe1c76b,
|
||||
<a name="l00204"></a>00204 0xf9b82684, 0x7fd8878e, 0xf8ef5cbb, 0x7fce0c3e, 0xf826a462, 0x7fc25596,
|
||||
<a name="l00205"></a>00205 0xf75dff66, 0x7fb563b3,
|
||||
<a name="l00206"></a>00206 0xf6956fb7, 0x7fa736b4, 0xf5ccf743, 0x7f97cebd, 0xf50497fb, 0x7f872bf3,
|
||||
<a name="l00207"></a>00207 0xf43c53cb, 0x7f754e80,
|
||||
<a name="l00208"></a>00208 0xf3742ca2, 0x7f62368f, 0xf2ac246e, 0x7f4de451, 0xf1e43d1c, 0x7f3857f6,
|
||||
<a name="l00209"></a>00209 0xf11c789a, 0x7f2191b4,
|
||||
<a name="l00210"></a>00210 0xf054d8d5, 0x7f0991c4, 0xef8d5fb8, 0x7ef05860, 0xeec60f31, 0x7ed5e5c6,
|
||||
<a name="l00211"></a>00211 0xedfee92b, 0x7eba3a39,
|
||||
<a name="l00212"></a>00212 0xed37ef91, 0x7e9d55fc, 0xec71244f, 0x7e7f3957, 0xebaa894f, 0x7e5fe493,
|
||||
<a name="l00213"></a>00213 0xeae4207a, 0x7e3f57ff,
|
||||
<a name="l00214"></a>00214 0xea1debbb, 0x7e1d93ea, 0xe957ecfb, 0x7dfa98a8, 0xe8922622, 0x7dd6668f,
|
||||
<a name="l00215"></a>00215 0xe7cc9917, 0x7db0fdf8,
|
||||
<a name="l00216"></a>00216 0xe70747c4, 0x7d8a5f40, 0xe642340d, 0x7d628ac6, 0xe57d5fda, 0x7d3980ec,
|
||||
<a name="l00217"></a>00217 0xe4b8cd11, 0x7d0f4218,
|
||||
<a name="l00218"></a>00218 0xe3f47d96, 0x7ce3ceb2, 0xe330734d, 0x7cb72724, 0xe26cb01b, 0x7c894bde,
|
||||
<a name="l00219"></a>00219 0xe1a935e2, 0x7c5a3d50,
|
||||
<a name="l00220"></a>00220 0xe0e60685, 0x7c29fbee, 0xe02323e5, 0x7bf88830, 0xdf608fe4, 0x7bc5e290,
|
||||
<a name="l00221"></a>00221 0xde9e4c60, 0x7b920b89,
|
||||
<a name="l00222"></a>00222 0xdddc5b3b, 0x7b5d039e, 0xdd1abe51, 0x7b26cb4f, 0xdc597781, 0x7aef6323,
|
||||
<a name="l00223"></a>00223 0xdb9888a8, 0x7ab6cba4,
|
||||
<a name="l00224"></a>00224 0xdad7f3a2, 0x7a7d055b, 0xda17ba4a, 0x7a4210d8, 0xd957de7a, 0x7a05eead,
|
||||
<a name="l00225"></a>00225 0xd898620c, 0x79c89f6e,
|
||||
<a name="l00226"></a>00226 0xd7d946d8, 0x798a23b1, 0xd71a8eb5, 0x794a7c12, 0xd65c3b7b, 0x7909a92d,
|
||||
<a name="l00227"></a>00227 0xd59e4eff, 0x78c7aba2,
|
||||
<a name="l00228"></a>00228 0xd4e0cb15, 0x78848414, 0xd423b191, 0x78403329, 0xd3670446, 0x77fab989,
|
||||
<a name="l00229"></a>00229 0xd2aac504, 0x77b417df,
|
||||
<a name="l00230"></a>00230 0xd1eef59e, 0x776c4edb, 0xd13397e2, 0x77235f2d, 0xd078ad9e, 0x76d94989,
|
||||
<a name="l00231"></a>00231 0xcfbe389f, 0x768e0ea6,
|
||||
<a name="l00232"></a>00232 0xcf043ab3, 0x7641af3d, 0xce4ab5a2, 0x75f42c0b, 0xcd91ab39, 0x75a585cf,
|
||||
<a name="l00233"></a>00233 0xccd91d3d, 0x7555bd4c,
|
||||
<a name="l00234"></a>00234 0xcc210d79, 0x7504d345, 0xcb697db0, 0x74b2c884, 0xcab26fa9, 0x745f9dd1,
|
||||
<a name="l00235"></a>00235 0xc9fbe527, 0x740b53fb,
|
||||
<a name="l00236"></a>00236 0xc945dfec, 0x73b5ebd1, 0xc89061ba, 0x735f6626, 0xc7db6c50, 0x7307c3d0,
|
||||
<a name="l00237"></a>00237 0xc727016d, 0x72af05a7,
|
||||
<a name="l00238"></a>00238 0xc67322ce, 0x72552c85, 0xc5bfd22e, 0x71fa3949, 0xc50d1149, 0x719e2cd2,
|
||||
<a name="l00239"></a>00239 0xc45ae1d7, 0x71410805,
|
||||
<a name="l00240"></a>00240 0xc3a94590, 0x70e2cbc6, 0xc2f83e2a, 0x708378ff, 0xc247cd5a, 0x7023109a,
|
||||
<a name="l00241"></a>00241 0xc197f4d4, 0x6fc19385,
|
||||
<a name="l00242"></a>00242 0xc0e8b648, 0x6f5f02b2, 0xc03a1368, 0x6efb5f12, 0xbf8c0de3, 0x6e96a99d,
|
||||
<a name="l00243"></a>00243 0xbedea765, 0x6e30e34a,
|
||||
<a name="l00244"></a>00244 0xbe31e19b, 0x6dca0d14, 0xbd85be30, 0x6d6227fa, 0xbcda3ecb, 0x6cf934fc,
|
||||
<a name="l00245"></a>00245 0xbc2f6513, 0x6c8f351c,
|
||||
<a name="l00246"></a>00246 0xbb8532b0, 0x6c242960, 0xbadba943, 0x6bb812d1, 0xba32ca71, 0x6b4af279,
|
||||
<a name="l00247"></a>00247 0xb98a97d8, 0x6adcc964,
|
||||
<a name="l00248"></a>00248 0xb8e31319, 0x6a6d98a4, 0xb83c3dd1, 0x69fd614a, 0xb796199b, 0x698c246c,
|
||||
<a name="l00249"></a>00249 0xb6f0a812, 0x6919e320,
|
||||
<a name="l00250"></a>00250 0xb64beacd, 0x68a69e81, 0xb5a7e362, 0x683257ab, 0xb5049368, 0x67bd0fbd,
|
||||
<a name="l00251"></a>00251 0xb461fc70, 0x6746c7d8,
|
||||
<a name="l00252"></a>00252 0xb3c0200c, 0x66cf8120, 0xb31effcc, 0x66573cbb, 0xb27e9d3c, 0x65ddfbd3,
|
||||
<a name="l00253"></a>00253 0xb1def9e9, 0x6563bf92,
|
||||
<a name="l00254"></a>00254 0xb140175b, 0x64e88926, 0xb0a1f71d, 0x646c59bf, 0xb0049ab3, 0x63ef3290,
|
||||
<a name="l00255"></a>00255 0xaf6803a2, 0x637114cc,
|
||||
<a name="l00256"></a>00256 0xaecc336c, 0x62f201ac, 0xae312b92, 0x6271fa69, 0xad96ed92, 0x61f1003f,
|
||||
<a name="l00257"></a>00257 0xacfd7ae8, 0x616f146c,
|
||||
<a name="l00258"></a>00258 0xac64d510, 0x60ec3830, 0xabccfd83, 0x60686ccf, 0xab35f5b5, 0x5fe3b38d,
|
||||
<a name="l00259"></a>00259 0xaa9fbf1e, 0x5f5e0db3,
|
||||
<a name="l00260"></a>00260 0xaa0a5b2e, 0x5ed77c8a, 0xa975cb57, 0x5e50015d, 0xa8e21106, 0x5dc79d7c,
|
||||
<a name="l00261"></a>00261 0xa84f2daa, 0x5d3e5237,
|
||||
<a name="l00262"></a>00262 0xa7bd22ac, 0x5cb420e0, 0xa72bf174, 0x5c290acc, 0xa69b9b68, 0x5b9d1154,
|
||||
<a name="l00263"></a>00263 0xa60c21ee, 0x5b1035cf,
|
||||
<a name="l00264"></a>00264 0xa57d8666, 0x5a82799a, 0xa4efca31, 0x59f3de12, 0xa462eeac, 0x59646498,
|
||||
<a name="l00265"></a>00265 0xa3d6f534, 0x58d40e8c,
|
||||
<a name="l00266"></a>00266 0xa34bdf20, 0x5842dd54, 0xa2c1adc9, 0x57b0d256, 0xa2386284, 0x571deefa,
|
||||
<a name="l00267"></a>00267 0xa1affea3, 0x568a34a9,
|
||||
<a name="l00268"></a>00268 0xa1288376, 0x55f5a4d2, 0xa0a1f24d, 0x556040e2, 0xa01c4c73, 0x54ca0a4b,
|
||||
<a name="l00269"></a>00269 0x9f979331, 0x5433027d,
|
||||
<a name="l00270"></a>00270 0x9f13c7d0, 0x539b2af0, 0x9e90eb94, 0x53028518, 0x9e0effc1, 0x5269126e,
|
||||
<a name="l00271"></a>00271 0x9d8e0597, 0x51ced46e,
|
||||
<a name="l00272"></a>00272 0x9d0dfe54, 0x5133cc94, 0x9c8eeb34, 0x5097fc5e, 0x9c10cd70, 0x4ffb654d,
|
||||
<a name="l00273"></a>00273 0x9b93a641, 0x4f5e08e3,
|
||||
<a name="l00274"></a>00274 0x9b1776da, 0x4ebfe8a5, 0x9a9c406e, 0x4e210617, 0x9a22042d, 0x4d8162c4,
|
||||
<a name="l00275"></a>00275 0x99a8c345, 0x4ce10034,
|
||||
<a name="l00276"></a>00276 0x99307ee0, 0x4c3fdff4, 0x98b93828, 0x4b9e0390, 0x9842f043, 0x4afb6c98,
|
||||
<a name="l00277"></a>00277 0x97cda855, 0x4a581c9e,
|
||||
<a name="l00278"></a>00278 0x9759617f, 0x49b41533, 0x96e61ce0, 0x490f57ee, 0x9673db94, 0x4869e665,
|
||||
<a name="l00279"></a>00279 0x96029eb6, 0x47c3c22f,
|
||||
<a name="l00280"></a>00280 0x9592675c, 0x471cece7, 0x9523369c, 0x46756828, 0x94b50d87, 0x45cd358f,
|
||||
<a name="l00281"></a>00281 0x9447ed2f, 0x452456bd,
|
||||
<a name="l00282"></a>00282 0x93dbd6a0, 0x447acd50, 0x9370cae4, 0x43d09aed, 0x9306cb04, 0x4325c135,
|
||||
<a name="l00283"></a>00283 0x929dd806, 0x427a41d0,
|
||||
<a name="l00284"></a>00284 0x9235f2ec, 0x41ce1e65, 0x91cf1cb6, 0x4121589b, 0x91695663, 0x4073f21d,
|
||||
<a name="l00285"></a>00285 0x9104a0ee, 0x3fc5ec98,
|
||||
<a name="l00286"></a>00286 0x90a0fd4e, 0x3f1749b8, 0x903e6c7b, 0x3e680b2c, 0x8fdcef66, 0x3db832a6,
|
||||
<a name="l00287"></a>00287 0x8f7c8701, 0x3d07c1d6,
|
||||
<a name="l00288"></a>00288 0x8f1d343a, 0x3c56ba70, 0x8ebef7fb, 0x3ba51e29, 0x8e61d32e, 0x3af2eeb7,
|
||||
<a name="l00289"></a>00289 0x8e05c6b7, 0x3a402dd2,
|
||||
<a name="l00290"></a>00290 0x8daad37b, 0x398cdd32, 0x8d50fa59, 0x38d8fe93, 0x8cf83c30, 0x382493b0,
|
||||
<a name="l00291"></a>00291 0x8ca099da, 0x376f9e46,
|
||||
<a name="l00292"></a>00292 0x8c4a142f, 0x36ba2014, 0x8bf4ac05, 0x36041ad9, 0x8ba0622f, 0x354d9057,
|
||||
<a name="l00293"></a>00293 0x8b4d377c, 0x34968250,
|
||||
<a name="l00294"></a>00294 0x8afb2cbb, 0x33def287, 0x8aaa42b4, 0x3326e2c3, 0x8a5a7a31, 0x326e54c7,
|
||||
<a name="l00295"></a>00295 0x8a0bd3f5, 0x31b54a5e,
|
||||
<a name="l00296"></a>00296 0x89be50c3, 0x30fbc54d, 0x8971f15a, 0x3041c761, 0x8926b677, 0x2f875262,
|
||||
<a name="l00297"></a>00297 0x88dca0d3, 0x2ecc681e,
|
||||
<a name="l00298"></a>00298 0x8893b125, 0x2e110a62, 0x884be821, 0x2d553afc, 0x88054677, 0x2c98fbba,
|
||||
<a name="l00299"></a>00299 0x87bfccd7, 0x2bdc4e6f,
|
||||
<a name="l00300"></a>00300 0x877b7bec, 0x2b1f34eb, 0x8738545e, 0x2a61b101, 0x86f656d3, 0x29a3c485,
|
||||
<a name="l00301"></a>00301 0x86b583ee, 0x28e5714b,
|
||||
<a name="l00302"></a>00302 0x8675dc4f, 0x2826b928, 0x86376092, 0x27679df4, 0x85fa1153, 0x26a82186,
|
||||
<a name="l00303"></a>00303 0x85bdef28, 0x25e845b6,
|
||||
<a name="l00304"></a>00304 0x8582faa5, 0x25280c5e, 0x8549345c, 0x24677758, 0x85109cdd, 0x23a6887f,
|
||||
<a name="l00305"></a>00305 0x84d934b1, 0x22e541af,
|
||||
<a name="l00306"></a>00306 0x84a2fc62, 0x2223a4c5, 0x846df477, 0x2161b3a0, 0x843a1d70, 0x209f701c,
|
||||
<a name="l00307"></a>00307 0x840777d0, 0x1fdcdc1b,
|
||||
<a name="l00308"></a>00308 0x83d60412, 0x1f19f97b, 0x83a5c2b0, 0x1e56ca1e, 0x8376b422, 0x1d934fe5,
|
||||
<a name="l00309"></a>00309 0x8348d8dc, 0x1ccf8cb3,
|
||||
<a name="l00310"></a>00310 0x831c314e, 0x1c0b826a, 0x82f0bde8, 0x1b4732ef, 0x82c67f14, 0x1a82a026,
|
||||
<a name="l00311"></a>00311 0x829d753a, 0x19bdcbf3,
|
||||
<a name="l00312"></a>00312 0x8275a0c0, 0x18f8b83c, 0x824f0208, 0x183366e9, 0x82299971, 0x176dd9de,
|
||||
<a name="l00313"></a>00313 0x82056758, 0x16a81305,
|
||||
<a name="l00314"></a>00314 0x81e26c16, 0x15e21445, 0x81c0a801, 0x151bdf86, 0x81a01b6d, 0x145576b1,
|
||||
<a name="l00315"></a>00315 0x8180c6a9, 0x138edbb1,
|
||||
<a name="l00316"></a>00316 0x8162aa04, 0x12c8106f, 0x8145c5c7, 0x120116d5, 0x812a1a3a, 0x1139f0cf,
|
||||
<a name="l00317"></a>00317 0x810fa7a0, 0x1072a048,
|
||||
<a name="l00318"></a>00318 0x80f66e3c, 0xfab272b, 0x80de6e4c, 0xee38766, 0x80c7a80a, 0xe1bc2e4,
|
||||
<a name="l00319"></a>00319 0x80b21baf, 0xd53db92,
|
||||
<a name="l00320"></a>00320 0x809dc971, 0xc8bd35e, 0x808ab180, 0xbc3ac35, 0x8078d40d, 0xafb6805,
|
||||
<a name="l00321"></a>00321 0x80683143, 0xa3308bd,
|
||||
<a name="l00322"></a>00322 0x8058c94c, 0x96a9049, 0x804a9c4d, 0x8a2009a, 0x803daa6a, 0x7d95b9e,
|
||||
<a name="l00323"></a>00323 0x8031f3c2, 0x710a345,
|
||||
<a name="l00324"></a>00324 0x80277872, 0x647d97c, 0x801e3895, 0x57f0035, 0x80163440, 0x4b6195d,
|
||||
<a name="l00325"></a>00325 0x800f6b88, 0x3ed26e6,
|
||||
<a name="l00326"></a>00326 0x8009de7e, 0x3242abf, 0x80058d2f, 0x25b26d7, 0x800277a6, 0x1921d20,
|
||||
<a name="l00327"></a>00327 0x80009dea, 0xc90f88,
|
||||
<a name="l00328"></a>00328 0x80000000, 0x0, 0x80009dea, 0xff36f078, 0x800277a6, 0xfe6de2e0, 0x80058d2f,
|
||||
<a name="l00329"></a>00329 0xfda4d929,
|
||||
<a name="l00330"></a>00330 0x8009de7e, 0xfcdbd541, 0x800f6b88, 0xfc12d91a, 0x80163440, 0xfb49e6a3,
|
||||
<a name="l00331"></a>00331 0x801e3895, 0xfa80ffcb,
|
||||
<a name="l00332"></a>00332 0x80277872, 0xf9b82684, 0x8031f3c2, 0xf8ef5cbb, 0x803daa6a, 0xf826a462,
|
||||
<a name="l00333"></a>00333 0x804a9c4d, 0xf75dff66,
|
||||
<a name="l00334"></a>00334 0x8058c94c, 0xf6956fb7, 0x80683143, 0xf5ccf743, 0x8078d40d, 0xf50497fb,
|
||||
<a name="l00335"></a>00335 0x808ab180, 0xf43c53cb,
|
||||
<a name="l00336"></a>00336 0x809dc971, 0xf3742ca2, 0x80b21baf, 0xf2ac246e, 0x80c7a80a, 0xf1e43d1c,
|
||||
<a name="l00337"></a>00337 0x80de6e4c, 0xf11c789a,
|
||||
<a name="l00338"></a>00338 0x80f66e3c, 0xf054d8d5, 0x810fa7a0, 0xef8d5fb8, 0x812a1a3a, 0xeec60f31,
|
||||
<a name="l00339"></a>00339 0x8145c5c7, 0xedfee92b,
|
||||
<a name="l00340"></a>00340 0x8162aa04, 0xed37ef91, 0x8180c6a9, 0xec71244f, 0x81a01b6d, 0xebaa894f,
|
||||
<a name="l00341"></a>00341 0x81c0a801, 0xeae4207a,
|
||||
<a name="l00342"></a>00342 0x81e26c16, 0xea1debbb, 0x82056758, 0xe957ecfb, 0x82299971, 0xe8922622,
|
||||
<a name="l00343"></a>00343 0x824f0208, 0xe7cc9917,
|
||||
<a name="l00344"></a>00344 0x8275a0c0, 0xe70747c4, 0x829d753a, 0xe642340d, 0x82c67f14, 0xe57d5fda,
|
||||
<a name="l00345"></a>00345 0x82f0bde8, 0xe4b8cd11,
|
||||
<a name="l00346"></a>00346 0x831c314e, 0xe3f47d96, 0x8348d8dc, 0xe330734d, 0x8376b422, 0xe26cb01b,
|
||||
<a name="l00347"></a>00347 0x83a5c2b0, 0xe1a935e2,
|
||||
<a name="l00348"></a>00348 0x83d60412, 0xe0e60685, 0x840777d0, 0xe02323e5, 0x843a1d70, 0xdf608fe4,
|
||||
<a name="l00349"></a>00349 0x846df477, 0xde9e4c60,
|
||||
<a name="l00350"></a>00350 0x84a2fc62, 0xdddc5b3b, 0x84d934b1, 0xdd1abe51, 0x85109cdd, 0xdc597781,
|
||||
<a name="l00351"></a>00351 0x8549345c, 0xdb9888a8,
|
||||
<a name="l00352"></a>00352 0x8582faa5, 0xdad7f3a2, 0x85bdef28, 0xda17ba4a, 0x85fa1153, 0xd957de7a,
|
||||
<a name="l00353"></a>00353 0x86376092, 0xd898620c,
|
||||
<a name="l00354"></a>00354 0x8675dc4f, 0xd7d946d8, 0x86b583ee, 0xd71a8eb5, 0x86f656d3, 0xd65c3b7b,
|
||||
<a name="l00355"></a>00355 0x8738545e, 0xd59e4eff,
|
||||
<a name="l00356"></a>00356 0x877b7bec, 0xd4e0cb15, 0x87bfccd7, 0xd423b191, 0x88054677, 0xd3670446,
|
||||
<a name="l00357"></a>00357 0x884be821, 0xd2aac504,
|
||||
<a name="l00358"></a>00358 0x8893b125, 0xd1eef59e, 0x88dca0d3, 0xd13397e2, 0x8926b677, 0xd078ad9e,
|
||||
<a name="l00359"></a>00359 0x8971f15a, 0xcfbe389f,
|
||||
<a name="l00360"></a>00360 0x89be50c3, 0xcf043ab3, 0x8a0bd3f5, 0xce4ab5a2, 0x8a5a7a31, 0xcd91ab39,
|
||||
<a name="l00361"></a>00361 0x8aaa42b4, 0xccd91d3d,
|
||||
<a name="l00362"></a>00362 0x8afb2cbb, 0xcc210d79, 0x8b4d377c, 0xcb697db0, 0x8ba0622f, 0xcab26fa9,
|
||||
<a name="l00363"></a>00363 0x8bf4ac05, 0xc9fbe527,
|
||||
<a name="l00364"></a>00364 0x8c4a142f, 0xc945dfec, 0x8ca099da, 0xc89061ba, 0x8cf83c30, 0xc7db6c50,
|
||||
<a name="l00365"></a>00365 0x8d50fa59, 0xc727016d,
|
||||
<a name="l00366"></a>00366 0x8daad37b, 0xc67322ce, 0x8e05c6b7, 0xc5bfd22e, 0x8e61d32e, 0xc50d1149,
|
||||
<a name="l00367"></a>00367 0x8ebef7fb, 0xc45ae1d7,
|
||||
<a name="l00368"></a>00368 0x8f1d343a, 0xc3a94590, 0x8f7c8701, 0xc2f83e2a, 0x8fdcef66, 0xc247cd5a,
|
||||
<a name="l00369"></a>00369 0x903e6c7b, 0xc197f4d4,
|
||||
<a name="l00370"></a>00370 0x90a0fd4e, 0xc0e8b648, 0x9104a0ee, 0xc03a1368, 0x91695663, 0xbf8c0de3,
|
||||
<a name="l00371"></a>00371 0x91cf1cb6, 0xbedea765,
|
||||
<a name="l00372"></a>00372 0x9235f2ec, 0xbe31e19b, 0x929dd806, 0xbd85be30, 0x9306cb04, 0xbcda3ecb,
|
||||
<a name="l00373"></a>00373 0x9370cae4, 0xbc2f6513,
|
||||
<a name="l00374"></a>00374 0x93dbd6a0, 0xbb8532b0, 0x9447ed2f, 0xbadba943, 0x94b50d87, 0xba32ca71,
|
||||
<a name="l00375"></a>00375 0x9523369c, 0xb98a97d8,
|
||||
<a name="l00376"></a>00376 0x9592675c, 0xb8e31319, 0x96029eb6, 0xb83c3dd1, 0x9673db94, 0xb796199b,
|
||||
<a name="l00377"></a>00377 0x96e61ce0, 0xb6f0a812,
|
||||
<a name="l00378"></a>00378 0x9759617f, 0xb64beacd, 0x97cda855, 0xb5a7e362, 0x9842f043, 0xb5049368,
|
||||
<a name="l00379"></a>00379 0x98b93828, 0xb461fc70,
|
||||
<a name="l00380"></a>00380 0x99307ee0, 0xb3c0200c, 0x99a8c345, 0xb31effcc, 0x9a22042d, 0xb27e9d3c,
|
||||
<a name="l00381"></a>00381 0x9a9c406e, 0xb1def9e9,
|
||||
<a name="l00382"></a>00382 0x9b1776da, 0xb140175b, 0x9b93a641, 0xb0a1f71d, 0x9c10cd70, 0xb0049ab3,
|
||||
<a name="l00383"></a>00383 0x9c8eeb34, 0xaf6803a2,
|
||||
<a name="l00384"></a>00384 0x9d0dfe54, 0xaecc336c, 0x9d8e0597, 0xae312b92, 0x9e0effc1, 0xad96ed92,
|
||||
<a name="l00385"></a>00385 0x9e90eb94, 0xacfd7ae8,
|
||||
<a name="l00386"></a>00386 0x9f13c7d0, 0xac64d510, 0x9f979331, 0xabccfd83, 0xa01c4c73, 0xab35f5b5,
|
||||
<a name="l00387"></a>00387 0xa0a1f24d, 0xaa9fbf1e,
|
||||
<a name="l00388"></a>00388 0xa1288376, 0xaa0a5b2e, 0xa1affea3, 0xa975cb57, 0xa2386284, 0xa8e21106,
|
||||
<a name="l00389"></a>00389 0xa2c1adc9, 0xa84f2daa,
|
||||
<a name="l00390"></a>00390 0xa34bdf20, 0xa7bd22ac, 0xa3d6f534, 0xa72bf174, 0xa462eeac, 0xa69b9b68,
|
||||
<a name="l00391"></a>00391 0xa4efca31, 0xa60c21ee,
|
||||
<a name="l00392"></a>00392 0xa57d8666, 0xa57d8666, 0xa60c21ee, 0xa4efca31, 0xa69b9b68, 0xa462eeac,
|
||||
<a name="l00393"></a>00393 0xa72bf174, 0xa3d6f534,
|
||||
<a name="l00394"></a>00394 0xa7bd22ac, 0xa34bdf20, 0xa84f2daa, 0xa2c1adc9, 0xa8e21106, 0xa2386284,
|
||||
<a name="l00395"></a>00395 0xa975cb57, 0xa1affea3,
|
||||
<a name="l00396"></a>00396 0xaa0a5b2e, 0xa1288376, 0xaa9fbf1e, 0xa0a1f24d, 0xab35f5b5, 0xa01c4c73,
|
||||
<a name="l00397"></a>00397 0xabccfd83, 0x9f979331,
|
||||
<a name="l00398"></a>00398 0xac64d510, 0x9f13c7d0, 0xacfd7ae8, 0x9e90eb94, 0xad96ed92, 0x9e0effc1,
|
||||
<a name="l00399"></a>00399 0xae312b92, 0x9d8e0597,
|
||||
<a name="l00400"></a>00400 0xaecc336c, 0x9d0dfe54, 0xaf6803a2, 0x9c8eeb34, 0xb0049ab3, 0x9c10cd70,
|
||||
<a name="l00401"></a>00401 0xb0a1f71d, 0x9b93a641,
|
||||
<a name="l00402"></a>00402 0xb140175b, 0x9b1776da, 0xb1def9e9, 0x9a9c406e, 0xb27e9d3c, 0x9a22042d,
|
||||
<a name="l00403"></a>00403 0xb31effcc, 0x99a8c345,
|
||||
<a name="l00404"></a>00404 0xb3c0200c, 0x99307ee0, 0xb461fc70, 0x98b93828, 0xb5049368, 0x9842f043,
|
||||
<a name="l00405"></a>00405 0xb5a7e362, 0x97cda855,
|
||||
<a name="l00406"></a>00406 0xb64beacd, 0x9759617f, 0xb6f0a812, 0x96e61ce0, 0xb796199b, 0x9673db94,
|
||||
<a name="l00407"></a>00407 0xb83c3dd1, 0x96029eb6,
|
||||
<a name="l00408"></a>00408 0xb8e31319, 0x9592675c, 0xb98a97d8, 0x9523369c, 0xba32ca71, 0x94b50d87,
|
||||
<a name="l00409"></a>00409 0xbadba943, 0x9447ed2f,
|
||||
<a name="l00410"></a>00410 0xbb8532b0, 0x93dbd6a0, 0xbc2f6513, 0x9370cae4, 0xbcda3ecb, 0x9306cb04,
|
||||
<a name="l00411"></a>00411 0xbd85be30, 0x929dd806,
|
||||
<a name="l00412"></a>00412 0xbe31e19b, 0x9235f2ec, 0xbedea765, 0x91cf1cb6, 0xbf8c0de3, 0x91695663,
|
||||
<a name="l00413"></a>00413 0xc03a1368, 0x9104a0ee,
|
||||
<a name="l00414"></a>00414 0xc0e8b648, 0x90a0fd4e, 0xc197f4d4, 0x903e6c7b, 0xc247cd5a, 0x8fdcef66,
|
||||
<a name="l00415"></a>00415 0xc2f83e2a, 0x8f7c8701,
|
||||
<a name="l00416"></a>00416 0xc3a94590, 0x8f1d343a, 0xc45ae1d7, 0x8ebef7fb, 0xc50d1149, 0x8e61d32e,
|
||||
<a name="l00417"></a>00417 0xc5bfd22e, 0x8e05c6b7,
|
||||
<a name="l00418"></a>00418 0xc67322ce, 0x8daad37b, 0xc727016d, 0x8d50fa59, 0xc7db6c50, 0x8cf83c30,
|
||||
<a name="l00419"></a>00419 0xc89061ba, 0x8ca099da,
|
||||
<a name="l00420"></a>00420 0xc945dfec, 0x8c4a142f, 0xc9fbe527, 0x8bf4ac05, 0xcab26fa9, 0x8ba0622f,
|
||||
<a name="l00421"></a>00421 0xcb697db0, 0x8b4d377c,
|
||||
<a name="l00422"></a>00422 0xcc210d79, 0x8afb2cbb, 0xccd91d3d, 0x8aaa42b4, 0xcd91ab39, 0x8a5a7a31,
|
||||
<a name="l00423"></a>00423 0xce4ab5a2, 0x8a0bd3f5,
|
||||
<a name="l00424"></a>00424 0xcf043ab3, 0x89be50c3, 0xcfbe389f, 0x8971f15a, 0xd078ad9e, 0x8926b677,
|
||||
<a name="l00425"></a>00425 0xd13397e2, 0x88dca0d3,
|
||||
<a name="l00426"></a>00426 0xd1eef59e, 0x8893b125, 0xd2aac504, 0x884be821, 0xd3670446, 0x88054677,
|
||||
<a name="l00427"></a>00427 0xd423b191, 0x87bfccd7,
|
||||
<a name="l00428"></a>00428 0xd4e0cb15, 0x877b7bec, 0xd59e4eff, 0x8738545e, 0xd65c3b7b, 0x86f656d3,
|
||||
<a name="l00429"></a>00429 0xd71a8eb5, 0x86b583ee,
|
||||
<a name="l00430"></a>00430 0xd7d946d8, 0x8675dc4f, 0xd898620c, 0x86376092, 0xd957de7a, 0x85fa1153,
|
||||
<a name="l00431"></a>00431 0xda17ba4a, 0x85bdef28,
|
||||
<a name="l00432"></a>00432 0xdad7f3a2, 0x8582faa5, 0xdb9888a8, 0x8549345c, 0xdc597781, 0x85109cdd,
|
||||
<a name="l00433"></a>00433 0xdd1abe51, 0x84d934b1,
|
||||
<a name="l00434"></a>00434 0xdddc5b3b, 0x84a2fc62, 0xde9e4c60, 0x846df477, 0xdf608fe4, 0x843a1d70,
|
||||
<a name="l00435"></a>00435 0xe02323e5, 0x840777d0,
|
||||
<a name="l00436"></a>00436 0xe0e60685, 0x83d60412, 0xe1a935e2, 0x83a5c2b0, 0xe26cb01b, 0x8376b422,
|
||||
<a name="l00437"></a>00437 0xe330734d, 0x8348d8dc,
|
||||
<a name="l00438"></a>00438 0xe3f47d96, 0x831c314e, 0xe4b8cd11, 0x82f0bde8, 0xe57d5fda, 0x82c67f14,
|
||||
<a name="l00439"></a>00439 0xe642340d, 0x829d753a,
|
||||
<a name="l00440"></a>00440 0xe70747c4, 0x8275a0c0, 0xe7cc9917, 0x824f0208, 0xe8922622, 0x82299971,
|
||||
<a name="l00441"></a>00441 0xe957ecfb, 0x82056758,
|
||||
<a name="l00442"></a>00442 0xea1debbb, 0x81e26c16, 0xeae4207a, 0x81c0a801, 0xebaa894f, 0x81a01b6d,
|
||||
<a name="l00443"></a>00443 0xec71244f, 0x8180c6a9,
|
||||
<a name="l00444"></a>00444 0xed37ef91, 0x8162aa04, 0xedfee92b, 0x8145c5c7, 0xeec60f31, 0x812a1a3a,
|
||||
<a name="l00445"></a>00445 0xef8d5fb8, 0x810fa7a0,
|
||||
<a name="l00446"></a>00446 0xf054d8d5, 0x80f66e3c, 0xf11c789a, 0x80de6e4c, 0xf1e43d1c, 0x80c7a80a,
|
||||
<a name="l00447"></a>00447 0xf2ac246e, 0x80b21baf,
|
||||
<a name="l00448"></a>00448 0xf3742ca2, 0x809dc971, 0xf43c53cb, 0x808ab180, 0xf50497fb, 0x8078d40d,
|
||||
<a name="l00449"></a>00449 0xf5ccf743, 0x80683143,
|
||||
<a name="l00450"></a>00450 0xf6956fb7, 0x8058c94c, 0xf75dff66, 0x804a9c4d, 0xf826a462, 0x803daa6a,
|
||||
<a name="l00451"></a>00451 0xf8ef5cbb, 0x8031f3c2,
|
||||
<a name="l00452"></a>00452 0xf9b82684, 0x80277872, 0xfa80ffcb, 0x801e3895, 0xfb49e6a3, 0x80163440,
|
||||
<a name="l00453"></a>00453 0xfc12d91a, 0x800f6b88,
|
||||
<a name="l00454"></a>00454 0xfcdbd541, 0x8009de7e, 0xfda4d929, 0x80058d2f, 0xfe6de2e0, 0x800277a6,
|
||||
<a name="l00455"></a>00455 0xff36f078, 0x80009dea,
|
||||
<a name="l00456"></a>00456 0x0, 0x80000000, 0xc90f88, 0x80009dea, 0x1921d20, 0x800277a6, 0x25b26d7,
|
||||
<a name="l00457"></a>00457 0x80058d2f,
|
||||
<a name="l00458"></a>00458 0x3242abf, 0x8009de7e, 0x3ed26e6, 0x800f6b88, 0x4b6195d, 0x80163440,
|
||||
<a name="l00459"></a>00459 0x57f0035, 0x801e3895,
|
||||
<a name="l00460"></a>00460 0x647d97c, 0x80277872, 0x710a345, 0x8031f3c2, 0x7d95b9e, 0x803daa6a,
|
||||
<a name="l00461"></a>00461 0x8a2009a, 0x804a9c4d,
|
||||
<a name="l00462"></a>00462 0x96a9049, 0x8058c94c, 0xa3308bd, 0x80683143, 0xafb6805, 0x8078d40d,
|
||||
<a name="l00463"></a>00463 0xbc3ac35, 0x808ab180,
|
||||
<a name="l00464"></a>00464 0xc8bd35e, 0x809dc971, 0xd53db92, 0x80b21baf, 0xe1bc2e4, 0x80c7a80a,
|
||||
<a name="l00465"></a>00465 0xee38766, 0x80de6e4c,
|
||||
<a name="l00466"></a>00466 0xfab272b, 0x80f66e3c, 0x1072a048, 0x810fa7a0, 0x1139f0cf, 0x812a1a3a,
|
||||
<a name="l00467"></a>00467 0x120116d5, 0x8145c5c7,
|
||||
<a name="l00468"></a>00468 0x12c8106f, 0x8162aa04, 0x138edbb1, 0x8180c6a9, 0x145576b1, 0x81a01b6d,
|
||||
<a name="l00469"></a>00469 0x151bdf86, 0x81c0a801,
|
||||
<a name="l00470"></a>00470 0x15e21445, 0x81e26c16, 0x16a81305, 0x82056758, 0x176dd9de, 0x82299971,
|
||||
<a name="l00471"></a>00471 0x183366e9, 0x824f0208,
|
||||
<a name="l00472"></a>00472 0x18f8b83c, 0x8275a0c0, 0x19bdcbf3, 0x829d753a, 0x1a82a026, 0x82c67f14,
|
||||
<a name="l00473"></a>00473 0x1b4732ef, 0x82f0bde8,
|
||||
<a name="l00474"></a>00474 0x1c0b826a, 0x831c314e, 0x1ccf8cb3, 0x8348d8dc, 0x1d934fe5, 0x8376b422,
|
||||
<a name="l00475"></a>00475 0x1e56ca1e, 0x83a5c2b0,
|
||||
<a name="l00476"></a>00476 0x1f19f97b, 0x83d60412, 0x1fdcdc1b, 0x840777d0, 0x209f701c, 0x843a1d70,
|
||||
<a name="l00477"></a>00477 0x2161b3a0, 0x846df477,
|
||||
<a name="l00478"></a>00478 0x2223a4c5, 0x84a2fc62, 0x22e541af, 0x84d934b1, 0x23a6887f, 0x85109cdd,
|
||||
<a name="l00479"></a>00479 0x24677758, 0x8549345c,
|
||||
<a name="l00480"></a>00480 0x25280c5e, 0x8582faa5, 0x25e845b6, 0x85bdef28, 0x26a82186, 0x85fa1153,
|
||||
<a name="l00481"></a>00481 0x27679df4, 0x86376092,
|
||||
<a name="l00482"></a>00482 0x2826b928, 0x8675dc4f, 0x28e5714b, 0x86b583ee, 0x29a3c485, 0x86f656d3,
|
||||
<a name="l00483"></a>00483 0x2a61b101, 0x8738545e,
|
||||
<a name="l00484"></a>00484 0x2b1f34eb, 0x877b7bec, 0x2bdc4e6f, 0x87bfccd7, 0x2c98fbba, 0x88054677,
|
||||
<a name="l00485"></a>00485 0x2d553afc, 0x884be821,
|
||||
<a name="l00486"></a>00486 0x2e110a62, 0x8893b125, 0x2ecc681e, 0x88dca0d3, 0x2f875262, 0x8926b677,
|
||||
<a name="l00487"></a>00487 0x3041c761, 0x8971f15a,
|
||||
<a name="l00488"></a>00488 0x30fbc54d, 0x89be50c3, 0x31b54a5e, 0x8a0bd3f5, 0x326e54c7, 0x8a5a7a31,
|
||||
<a name="l00489"></a>00489 0x3326e2c3, 0x8aaa42b4,
|
||||
<a name="l00490"></a>00490 0x33def287, 0x8afb2cbb, 0x34968250, 0x8b4d377c, 0x354d9057, 0x8ba0622f,
|
||||
<a name="l00491"></a>00491 0x36041ad9, 0x8bf4ac05,
|
||||
<a name="l00492"></a>00492 0x36ba2014, 0x8c4a142f, 0x376f9e46, 0x8ca099da, 0x382493b0, 0x8cf83c30,
|
||||
<a name="l00493"></a>00493 0x38d8fe93, 0x8d50fa59,
|
||||
<a name="l00494"></a>00494 0x398cdd32, 0x8daad37b, 0x3a402dd2, 0x8e05c6b7, 0x3af2eeb7, 0x8e61d32e,
|
||||
<a name="l00495"></a>00495 0x3ba51e29, 0x8ebef7fb,
|
||||
<a name="l00496"></a>00496 0x3c56ba70, 0x8f1d343a, 0x3d07c1d6, 0x8f7c8701, 0x3db832a6, 0x8fdcef66,
|
||||
<a name="l00497"></a>00497 0x3e680b2c, 0x903e6c7b,
|
||||
<a name="l00498"></a>00498 0x3f1749b8, 0x90a0fd4e, 0x3fc5ec98, 0x9104a0ee, 0x4073f21d, 0x91695663,
|
||||
<a name="l00499"></a>00499 0x4121589b, 0x91cf1cb6,
|
||||
<a name="l00500"></a>00500 0x41ce1e65, 0x9235f2ec, 0x427a41d0, 0x929dd806, 0x4325c135, 0x9306cb04,
|
||||
<a name="l00501"></a>00501 0x43d09aed, 0x9370cae4,
|
||||
<a name="l00502"></a>00502 0x447acd50, 0x93dbd6a0, 0x452456bd, 0x9447ed2f, 0x45cd358f, 0x94b50d87,
|
||||
<a name="l00503"></a>00503 0x46756828, 0x9523369c,
|
||||
<a name="l00504"></a>00504 0x471cece7, 0x9592675c, 0x47c3c22f, 0x96029eb6, 0x4869e665, 0x9673db94,
|
||||
<a name="l00505"></a>00505 0x490f57ee, 0x96e61ce0,
|
||||
<a name="l00506"></a>00506 0x49b41533, 0x9759617f, 0x4a581c9e, 0x97cda855, 0x4afb6c98, 0x9842f043,
|
||||
<a name="l00507"></a>00507 0x4b9e0390, 0x98b93828,
|
||||
<a name="l00508"></a>00508 0x4c3fdff4, 0x99307ee0, 0x4ce10034, 0x99a8c345, 0x4d8162c4, 0x9a22042d,
|
||||
<a name="l00509"></a>00509 0x4e210617, 0x9a9c406e,
|
||||
<a name="l00510"></a>00510 0x4ebfe8a5, 0x9b1776da, 0x4f5e08e3, 0x9b93a641, 0x4ffb654d, 0x9c10cd70,
|
||||
<a name="l00511"></a>00511 0x5097fc5e, 0x9c8eeb34,
|
||||
<a name="l00512"></a>00512 0x5133cc94, 0x9d0dfe54, 0x51ced46e, 0x9d8e0597, 0x5269126e, 0x9e0effc1,
|
||||
<a name="l00513"></a>00513 0x53028518, 0x9e90eb94,
|
||||
<a name="l00514"></a>00514 0x539b2af0, 0x9f13c7d0, 0x5433027d, 0x9f979331, 0x54ca0a4b, 0xa01c4c73,
|
||||
<a name="l00515"></a>00515 0x556040e2, 0xa0a1f24d,
|
||||
<a name="l00516"></a>00516 0x55f5a4d2, 0xa1288376, 0x568a34a9, 0xa1affea3, 0x571deefa, 0xa2386284,
|
||||
<a name="l00517"></a>00517 0x57b0d256, 0xa2c1adc9,
|
||||
<a name="l00518"></a>00518 0x5842dd54, 0xa34bdf20, 0x58d40e8c, 0xa3d6f534, 0x59646498, 0xa462eeac,
|
||||
<a name="l00519"></a>00519 0x59f3de12, 0xa4efca31,
|
||||
<a name="l00520"></a>00520 0x5a82799a, 0xa57d8666, 0x5b1035cf, 0xa60c21ee, 0x5b9d1154, 0xa69b9b68,
|
||||
<a name="l00521"></a>00521 0x5c290acc, 0xa72bf174,
|
||||
<a name="l00522"></a>00522 0x5cb420e0, 0xa7bd22ac, 0x5d3e5237, 0xa84f2daa, 0x5dc79d7c, 0xa8e21106,
|
||||
<a name="l00523"></a>00523 0x5e50015d, 0xa975cb57,
|
||||
<a name="l00524"></a>00524 0x5ed77c8a, 0xaa0a5b2e, 0x5f5e0db3, 0xaa9fbf1e, 0x5fe3b38d, 0xab35f5b5,
|
||||
<a name="l00525"></a>00525 0x60686ccf, 0xabccfd83,
|
||||
<a name="l00526"></a>00526 0x60ec3830, 0xac64d510, 0x616f146c, 0xacfd7ae8, 0x61f1003f, 0xad96ed92,
|
||||
<a name="l00527"></a>00527 0x6271fa69, 0xae312b92,
|
||||
<a name="l00528"></a>00528 0x62f201ac, 0xaecc336c, 0x637114cc, 0xaf6803a2, 0x63ef3290, 0xb0049ab3,
|
||||
<a name="l00529"></a>00529 0x646c59bf, 0xb0a1f71d,
|
||||
<a name="l00530"></a>00530 0x64e88926, 0xb140175b, 0x6563bf92, 0xb1def9e9, 0x65ddfbd3, 0xb27e9d3c,
|
||||
<a name="l00531"></a>00531 0x66573cbb, 0xb31effcc,
|
||||
<a name="l00532"></a>00532 0x66cf8120, 0xb3c0200c, 0x6746c7d8, 0xb461fc70, 0x67bd0fbd, 0xb5049368,
|
||||
<a name="l00533"></a>00533 0x683257ab, 0xb5a7e362,
|
||||
<a name="l00534"></a>00534 0x68a69e81, 0xb64beacd, 0x6919e320, 0xb6f0a812, 0x698c246c, 0xb796199b,
|
||||
<a name="l00535"></a>00535 0x69fd614a, 0xb83c3dd1,
|
||||
<a name="l00536"></a>00536 0x6a6d98a4, 0xb8e31319, 0x6adcc964, 0xb98a97d8, 0x6b4af279, 0xba32ca71,
|
||||
<a name="l00537"></a>00537 0x6bb812d1, 0xbadba943,
|
||||
<a name="l00538"></a>00538 0x6c242960, 0xbb8532b0, 0x6c8f351c, 0xbc2f6513, 0x6cf934fc, 0xbcda3ecb,
|
||||
<a name="l00539"></a>00539 0x6d6227fa, 0xbd85be30,
|
||||
<a name="l00540"></a>00540 0x6dca0d14, 0xbe31e19b, 0x6e30e34a, 0xbedea765, 0x6e96a99d, 0xbf8c0de3,
|
||||
<a name="l00541"></a>00541 0x6efb5f12, 0xc03a1368,
|
||||
<a name="l00542"></a>00542 0x6f5f02b2, 0xc0e8b648, 0x6fc19385, 0xc197f4d4, 0x7023109a, 0xc247cd5a,
|
||||
<a name="l00543"></a>00543 0x708378ff, 0xc2f83e2a,
|
||||
<a name="l00544"></a>00544 0x70e2cbc6, 0xc3a94590, 0x71410805, 0xc45ae1d7, 0x719e2cd2, 0xc50d1149,
|
||||
<a name="l00545"></a>00545 0x71fa3949, 0xc5bfd22e,
|
||||
<a name="l00546"></a>00546 0x72552c85, 0xc67322ce, 0x72af05a7, 0xc727016d, 0x7307c3d0, 0xc7db6c50,
|
||||
<a name="l00547"></a>00547 0x735f6626, 0xc89061ba,
|
||||
<a name="l00548"></a>00548 0x73b5ebd1, 0xc945dfec, 0x740b53fb, 0xc9fbe527, 0x745f9dd1, 0xcab26fa9,
|
||||
<a name="l00549"></a>00549 0x74b2c884, 0xcb697db0,
|
||||
<a name="l00550"></a>00550 0x7504d345, 0xcc210d79, 0x7555bd4c, 0xccd91d3d, 0x75a585cf, 0xcd91ab39,
|
||||
<a name="l00551"></a>00551 0x75f42c0b, 0xce4ab5a2,
|
||||
<a name="l00552"></a>00552 0x7641af3d, 0xcf043ab3, 0x768e0ea6, 0xcfbe389f, 0x76d94989, 0xd078ad9e,
|
||||
<a name="l00553"></a>00553 0x77235f2d, 0xd13397e2,
|
||||
<a name="l00554"></a>00554 0x776c4edb, 0xd1eef59e, 0x77b417df, 0xd2aac504, 0x77fab989, 0xd3670446,
|
||||
<a name="l00555"></a>00555 0x78403329, 0xd423b191,
|
||||
<a name="l00556"></a>00556 0x78848414, 0xd4e0cb15, 0x78c7aba2, 0xd59e4eff, 0x7909a92d, 0xd65c3b7b,
|
||||
<a name="l00557"></a>00557 0x794a7c12, 0xd71a8eb5,
|
||||
<a name="l00558"></a>00558 0x798a23b1, 0xd7d946d8, 0x79c89f6e, 0xd898620c, 0x7a05eead, 0xd957de7a,
|
||||
<a name="l00559"></a>00559 0x7a4210d8, 0xda17ba4a,
|
||||
<a name="l00560"></a>00560 0x7a7d055b, 0xdad7f3a2, 0x7ab6cba4, 0xdb9888a8, 0x7aef6323, 0xdc597781,
|
||||
<a name="l00561"></a>00561 0x7b26cb4f, 0xdd1abe51,
|
||||
<a name="l00562"></a>00562 0x7b5d039e, 0xdddc5b3b, 0x7b920b89, 0xde9e4c60, 0x7bc5e290, 0xdf608fe4,
|
||||
<a name="l00563"></a>00563 0x7bf88830, 0xe02323e5,
|
||||
<a name="l00564"></a>00564 0x7c29fbee, 0xe0e60685, 0x7c5a3d50, 0xe1a935e2, 0x7c894bde, 0xe26cb01b,
|
||||
<a name="l00565"></a>00565 0x7cb72724, 0xe330734d,
|
||||
<a name="l00566"></a>00566 0x7ce3ceb2, 0xe3f47d96, 0x7d0f4218, 0xe4b8cd11, 0x7d3980ec, 0xe57d5fda,
|
||||
<a name="l00567"></a>00567 0x7d628ac6, 0xe642340d,
|
||||
<a name="l00568"></a>00568 0x7d8a5f40, 0xe70747c4, 0x7db0fdf8, 0xe7cc9917, 0x7dd6668f, 0xe8922622,
|
||||
<a name="l00569"></a>00569 0x7dfa98a8, 0xe957ecfb,
|
||||
<a name="l00570"></a>00570 0x7e1d93ea, 0xea1debbb, 0x7e3f57ff, 0xeae4207a, 0x7e5fe493, 0xebaa894f,
|
||||
<a name="l00571"></a>00571 0x7e7f3957, 0xec71244f,
|
||||
<a name="l00572"></a>00572 0x7e9d55fc, 0xed37ef91, 0x7eba3a39, 0xedfee92b, 0x7ed5e5c6, 0xeec60f31,
|
||||
<a name="l00573"></a>00573 0x7ef05860, 0xef8d5fb8,
|
||||
<a name="l00574"></a>00574 0x7f0991c4, 0xf054d8d5, 0x7f2191b4, 0xf11c789a, 0x7f3857f6, 0xf1e43d1c,
|
||||
<a name="l00575"></a>00575 0x7f4de451, 0xf2ac246e,
|
||||
<a name="l00576"></a>00576 0x7f62368f, 0xf3742ca2, 0x7f754e80, 0xf43c53cb, 0x7f872bf3, 0xf50497fb,
|
||||
<a name="l00577"></a>00577 0x7f97cebd, 0xf5ccf743,
|
||||
<a name="l00578"></a>00578 0x7fa736b4, 0xf6956fb7, 0x7fb563b3, 0xf75dff66, 0x7fc25596, 0xf826a462,
|
||||
<a name="l00579"></a>00579 0x7fce0c3e, 0xf8ef5cbb,
|
||||
<a name="l00580"></a>00580 0x7fd8878e, 0xf9b82684, 0x7fe1c76b, 0xfa80ffcb, 0x7fe9cbc0, 0xfb49e6a3,
|
||||
<a name="l00581"></a>00581 0x7ff09478, 0xfc12d91a,
|
||||
<a name="l00582"></a>00582 0x7ff62182, 0xfcdbd541, 0x7ffa72d1, 0xfda4d929, 0x7ffd885a, 0xfe6de2e0,
|
||||
<a name="l00583"></a>00583 0x7fff6216, 0xff36f078
|
||||
<a name="l00584"></a>00584 };
|
||||
<a name="l00585"></a>00585
|
||||
<a name="l00608"></a><a class="code" href="group___c_f_f_t___c_i_f_f_t.html#gad5caaafeec900c8ff72321c01bbd462c">00608</a> <a class="code" href="arm__math_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6" title="Error status returned by some functions in the library.">arm_status</a> <a class="code" href="group___c_f_f_t___c_i_f_f_t.html#gad5caaafeec900c8ff72321c01bbd462c" title="Initialization function for the Q31 CFFT/CIFFT.">arm_cfft_radix4_init_q31</a>(
|
||||
<a name="l00609"></a>00609 <a class="code" href="structarm__cfft__radix4__instance__q31.html" title="Instance structure for the Q31 CFFT/CIFFT function.">arm_cfft_radix4_instance_q31</a> * S,
|
||||
<a name="l00610"></a>00610 uint16_t fftLen,
|
||||
<a name="l00611"></a>00611 uint8_t <a class="code" href="arm__fft__bin__example__f32_8c.html#a379ccb99013d369a41b49619083c16ef">ifftFlag</a>,
|
||||
<a name="l00612"></a>00612 uint8_t bitReverseFlag)
|
||||
<a name="l00613"></a>00613 {
|
||||
<a name="l00614"></a>00614 <span class="comment">/* Initialise the default arm status */</span>
|
||||
<a name="l00615"></a>00615 <a class="code" href="arm__math_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6" title="Error status returned by some functions in the library.">arm_status</a> <a class="code" href="arm__dotproduct__example__f32_8c.html#a88ccb294236ab22b00310c47164c53c3">status</a> = <a class="code" href="arm__math_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6a9f8b2a10bd827fb4600e77d455902eb0">ARM_MATH_SUCCESS</a>;
|
||||
<a name="l00616"></a>00616 <span class="comment">/* Initialise the FFT length */</span>
|
||||
<a name="l00617"></a>00617 S-><a class="code" href="structarm__cfft__radix4__instance__q31.html#ab413d2a5d3f45fa187d93813bf3bf81b">fftLen</a> = fftLen;
|
||||
<a name="l00618"></a>00618 <span class="comment">/* Initialise the Twiddle coefficient pointer */</span>
|
||||
<a name="l00619"></a>00619 S-><a class="code" href="structarm__cfft__radix4__instance__q31.html#a561c22dee4cbdcfa0fd5f15106ecc306">pTwiddle</a> = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> *) <a class="code" href="group___c_f_f_t___c_i_f_f_t.html#gaaff0656425a80136572711cefae9800f">twiddleCoefQ31</a>;
|
||||
<a name="l00620"></a>00620 <span class="comment">/* Initialise the Flag for selection of CFFT or CIFFT */</span>
|
||||
<a name="l00621"></a>00621 S-><a class="code" href="structarm__cfft__radix4__instance__q31.html#adc0a62ba669ad2282ecbe43d5d96abab">ifftFlag</a> = <a class="code" href="arm__fft__bin__example__f32_8c.html#a379ccb99013d369a41b49619083c16ef">ifftFlag</a>;
|
||||
<a name="l00622"></a>00622 <span class="comment">/* Initialise the Flag for calculation Bit reversal or not */</span>
|
||||
<a name="l00623"></a>00623 S-><a class="code" href="structarm__cfft__radix4__instance__q31.html#a5a7c4f4c7b3fb655cbb2bc11ef160a2a">bitReverseFlag</a> = bitReverseFlag;
|
||||
<a name="l00624"></a>00624
|
||||
<a name="l00625"></a>00625 <span class="comment">/* Initializations of Instance structure depending on the FFT length */</span>
|
||||
<a name="l00626"></a>00626 <span class="keywordflow">switch</span> (S-><a class="code" href="structarm__cfft__radix4__instance__q31.html#ab413d2a5d3f45fa187d93813bf3bf81b">fftLen</a>)
|
||||
<a name="l00627"></a>00627 {
|
||||
<a name="l00628"></a>00628 <span class="comment">/* Initializations of structure parameters for 1024 point FFT */</span>
|
||||
<a name="l00629"></a>00629 <span class="keywordflow">case</span> 1024u:
|
||||
<a name="l00630"></a>00630 <span class="comment">/* Initialise the twiddle coef modifier value */</span>
|
||||
<a name="l00631"></a>00631 S-><a class="code" href="structarm__cfft__radix4__instance__q31.html#a8cf8187b8232815cf17ee82bf572ecf9">twidCoefModifier</a> = 1u;
|
||||
<a name="l00632"></a>00632 <span class="comment">/* Initialise the bit reversal table modifier */</span>
|
||||
<a name="l00633"></a>00633 S-><a class="code" href="structarm__cfft__radix4__instance__q31.html#a94d2fead4efa4d5eaae142bbe30b0e15">bitRevFactor</a> = 1u;
|
||||
<a name="l00634"></a>00634 <span class="comment">/* Initialise the bit reversal table pointer */</span>
|
||||
<a name="l00635"></a>00635 S-><a class="code" href="structarm__cfft__radix4__instance__q31.html#a33a3bc774c97373261699463c05dfe54">pBitRevTable</a> = <a class="code" href="group___c_f_f_t___c_i_f_f_t.html#gaaa17ffb170c2ca8a37d5c62c09e334ba">armBitRevTable</a>;
|
||||
<a name="l00636"></a>00636 <span class="keywordflow">break</span>;
|
||||
<a name="l00637"></a>00637
|
||||
<a name="l00638"></a>00638 <span class="keywordflow">case</span> 256u:
|
||||
<a name="l00639"></a>00639 <span class="comment">/* Initializations of structure parameters for 256 point FFT */</span>
|
||||
<a name="l00640"></a>00640 S-><a class="code" href="structarm__cfft__radix4__instance__q31.html#a8cf8187b8232815cf17ee82bf572ecf9">twidCoefModifier</a> = 4u;
|
||||
<a name="l00641"></a>00641 S-><a class="code" href="structarm__cfft__radix4__instance__q31.html#a94d2fead4efa4d5eaae142bbe30b0e15">bitRevFactor</a> = 4u;
|
||||
<a name="l00642"></a>00642 S-><a class="code" href="structarm__cfft__radix4__instance__q31.html#a33a3bc774c97373261699463c05dfe54">pBitRevTable</a> = (uint16_t *) & <a class="code" href="group___c_f_f_t___c_i_f_f_t.html#gaaa17ffb170c2ca8a37d5c62c09e334ba">armBitRevTable</a>[3];
|
||||
<a name="l00643"></a>00643 <span class="keywordflow">break</span>;
|
||||
<a name="l00644"></a>00644
|
||||
<a name="l00645"></a>00645 <span class="keywordflow">case</span> 64u:
|
||||
<a name="l00646"></a>00646 <span class="comment">/* Initializations of structure parameters for 64 point FFT */</span>
|
||||
<a name="l00647"></a>00647 S-><a class="code" href="structarm__cfft__radix4__instance__q31.html#a8cf8187b8232815cf17ee82bf572ecf9">twidCoefModifier</a> = 16u;
|
||||
<a name="l00648"></a>00648 S-><a class="code" href="structarm__cfft__radix4__instance__q31.html#a94d2fead4efa4d5eaae142bbe30b0e15">bitRevFactor</a> = 16u;
|
||||
<a name="l00649"></a>00649 S-><a class="code" href="structarm__cfft__radix4__instance__q31.html#a33a3bc774c97373261699463c05dfe54">pBitRevTable</a> = &<a class="code" href="group___c_f_f_t___c_i_f_f_t.html#gaaa17ffb170c2ca8a37d5c62c09e334ba">armBitRevTable</a>[15];
|
||||
<a name="l00650"></a>00650 <span class="keywordflow">break</span>;
|
||||
<a name="l00651"></a>00651
|
||||
<a name="l00652"></a>00652 <span class="keywordflow">case</span> 16u:
|
||||
<a name="l00653"></a>00653 <span class="comment">/* Initializations of structure parameters for 16 point FFT */</span>
|
||||
<a name="l00654"></a>00654 S-><a class="code" href="structarm__cfft__radix4__instance__q31.html#a8cf8187b8232815cf17ee82bf572ecf9">twidCoefModifier</a> = 64u;
|
||||
<a name="l00655"></a>00655 S-><a class="code" href="structarm__cfft__radix4__instance__q31.html#a94d2fead4efa4d5eaae142bbe30b0e15">bitRevFactor</a> = 64u;
|
||||
<a name="l00656"></a>00656 S-><a class="code" href="structarm__cfft__radix4__instance__q31.html#a33a3bc774c97373261699463c05dfe54">pBitRevTable</a> = &<a class="code" href="group___c_f_f_t___c_i_f_f_t.html#gaaa17ffb170c2ca8a37d5c62c09e334ba">armBitRevTable</a>[63];
|
||||
<a name="l00657"></a>00657 <span class="keywordflow">break</span>;
|
||||
<a name="l00658"></a>00658
|
||||
<a name="l00659"></a>00659 <span class="keywordflow">default</span>:
|
||||
<a name="l00660"></a>00660 <span class="comment">/* Reporting argument error if fftSize is not valid value */</span>
|
||||
<a name="l00661"></a>00661 status = <a class="code" href="arm__math_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6a74897e18d4b8f62b12a7d8a01dd2bb35">ARM_MATH_ARGUMENT_ERROR</a>;
|
||||
<a name="l00662"></a>00662 <span class="keywordflow">break</span>;
|
||||
<a name="l00663"></a>00663 }
|
||||
<a name="l00664"></a>00664
|
||||
<a name="l00665"></a>00665 <span class="keywordflow">return</span> (status);
|
||||
<a name="l00666"></a>00666 }
|
||||
<a name="l00667"></a>00667
|
||||
</pre></div></div>
|
||||
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