Adding minimal libboard with lowlevel init and vectors

hardware/tools/libboard_sam3s-ek/board.h

@@ -0,0 +1,42 @@
+#ifndef _BOARD_
+#define _BOARD_
+
+/*----------------------------------------------------------------------------
+ *        Headers
+ *----------------------------------------------------------------------------*/
+
+#include "chip.h"
+
+#include "include/bitbanding.h"
+#include "include/board_lowlevel.h"
+#include "include/timetick.h"
+
+/**
+ * Libc porting layers
+ */
+#if defined (  __GNUC__  ) /* GCC CS3 */
+#    include "include/syscalls.h" /** RedHat Newlib minimal stub */
+#endif
+
+/*----------------------------------------------------------------------------
+ *        Definitions
+ *----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------*/
+
+/** Name of the board */
+#define BOARD_NAME "SAM3S-EK"
+
+/*
+#define BOARD_REV_A
+*/
+#define BOARD_REV_B
+
+/** Frequency of the board main oscillator */
+#define BOARD_MAINOSC           12000000
+
+/** Master clock frequency (when using board_lowlevel.c) */
+#define BOARD_MCK               64000000
+
+#endif /* #ifndef _BOARD_ */
+

hardware/tools/libboard_sam3s-ek/build_gcc/Makefile

@@ -0,0 +1,23 @@
+# Makefile for compiling libboard
+
+SUBMAKE_OPTIONS=--no-builtin-rules --no-builtin-variables
+
+#-------------------------------------------------------------------------------
+# Rules
+#-------------------------------------------------------------------------------
+
+all: sam3s_ek
+
+.PHONY: sam3s_ek
+sam3s_ek:
+	@echo --- Making sam3s_ek
+	@$(MAKE) DEBUG=1 $(SUBMAKE_OPTIONS) -f sam3s_ek.mk
+	@$(MAKE) $(SUBMAKE_OPTIONS) -f sam3s_ek.mk
+
+.PHONY: clean
+clean:
+	@echo --- Cleaning sam3s_ek
+	@$(MAKE) $(SUBMAKE_OPTIONS) -f sam3s_ek.mk $@
+	@$(MAKE) DEBUG=1 $(SUBMAKE_OPTIONS) -f sam3s_ek.mk $@
+
+

hardware/tools/libboard_sam3s-ek/build_gcc/debug.mk

@@ -0,0 +1,7 @@
+# Optimization level
+# -O1 Optimize
+# -O2 Optimize even more
+# -O3 Optimize yet more
+# -O0 Reduce compilation time and make debugging produce the expected results
+# -Os Optimize for size
+OPTIMIZATION = -g -O0 -DDEBUG

hardware/tools/libboard_sam3s-ek/build_gcc/gcc.mk

@@ -0,0 +1,39 @@
+
+# Tool suffix when cross-compiling
+#CROSS_COMPILE = ../../CodeSourcery_arm/bin/arm-none-eabi-
+CROSS_COMPILE = C:/CodeSourcery_2011.03-42/bin/arm-none-eabi-
+
+# Compilation tools
+AR = $(CROSS_COMPILE)ar
+CC = $(CROSS_COMPILE)gcc
+AS = $(CROSS_COMPILE)as
+#LD = $(CROSS_COMPILE)ld
+#SIZE = $(CROSS_COMPILE)size
+NM = $(CROSS_COMPILE)nm
+#OBJCOPY = $(CROSS_COMPILE)objcopy
+RM=cs-rm -Rf
+SEP=/
+
+# Flags
+
+CFLAGS += -Wall -Wchar-subscripts -Wcomment -Wformat=2 -Wimplicit-int
+CFLAGS += -Werror-implicit-function-declaration -Wmain -Wparentheses
+CFLAGS += -Wsequence-point -Wreturn-type -Wswitch -Wtrigraphs -Wunused
+CFLAGS += -Wuninitialized -Wunknown-pragmas -Wfloat-equal -Wundef
+CFLAGS += -Wshadow -Wpointer-arith -Wbad-function-cast -Wwrite-strings
+CFLAGS += -Wsign-compare -Waggregate-return -Wstrict-prototypes
+CFLAGS += -Wmissing-prototypes -Wmissing-declarations
+CFLAGS += -Wformat -Wmissing-format-attribute -Wno-deprecated-declarations
+CFLAGS += -Wpacked -Wredundant-decls -Wnested-externs -Winline -Wlong-long
+CFLAGS += -Wunreachable-code
+CFLAGS += -Wcast-align
+#CFLAGS += -Wmissing-noreturn
+#CFLAGS += -Wconversion
+
+# To reduce application size use only integer printf function.
+CFLAGS += -Dprintf=iprintf
+
+CFLAGS += --param max-inline-insns-single=500 -mcpu=cortex-m3 -mthumb -mlong-calls -ffunction-sections
+CFLAGS += $(OPTIMIZATION) $(INCLUDES) -D$(CHIP)
+
+ASFLAGS = -mcpu=cortex-m3 -mthumb -Wall -a -g $(INCLUDES)

hardware/tools/libboard_sam3s-ek/build_gcc/release.mk

@@ -0,0 +1,7 @@
+# Optimization level
+# -O1 Optimize
+# -O2 Optimize even more
+# -O3 Optimize yet more
+# -O0 Reduce compilation time and make debugging produce the expected results
+# -Os Optimize for size
+OPTIMIZATION = -Os

hardware/tools/libboard_sam3s-ek/build_gcc/sam3s_ek.mk

@@ -0,0 +1,122 @@
+# Makefile for compiling libboard
+.SUFFIXES: .o .a .c .s
+
+CHIP=sam3s4
+BOARD=sam3s_ek
+LIBNAME=libboard
+TOOLCHAIN=gcc
+
+#-------------------------------------------------------------------------------
+# Path
+#-------------------------------------------------------------------------------
+
+# Output directories
+OUTPUT_BIN = ../lib
+
+# Libraries
+PROJECT_BASE_PATH = ..
+
+#-------------------------------------------------------------------------------
+# Files
+#-------------------------------------------------------------------------------
+
+vpath %.h $(PROJECT_BASE_PATH)/include
+vpath %.c $(PROJECT_BASE_PATH)/source
+vpath %.s $(PROJECT_BASE_PATH)/source
+
+VPATH+=$(PROJECT_BASE_PATH)/source
+
+INCLUDES = -I$(PROJECT_BASE_PATH)
+INCLUDES += -I$(PROJECT_BASE_PATH)/include
+INCLUDES += -I$(PROJECT_BASE_PATH)/../libchip_sam3s
+
+#-------------------------------------------------------------------------------
+ifdef DEBUG
+include debug.mk
+else
+include release.mk
+endif
+
+#-------------------------------------------------------------------------------
+# Tools
+#-------------------------------------------------------------------------------
+
+include $(TOOLCHAIN).mk
+
+#-------------------------------------------------------------------------------
+ifdef DEBUG
+OUTPUT_OBJ=debug
+OUTPUT_LIB=$(LIBNAME)_$(BOARD)_$(TOOLCHAIN)_dbg.a
+else
+OUTPUT_OBJ=release
+OUTPUT_LIB=$(LIBNAME)_$(BOARD)_$(TOOLCHAIN)_rel.a
+endif
+
+OUTPUT_PATH=$(OUTPUT_OBJ)_$(BOARD)
+
+#-------------------------------------------------------------------------------
+# C source files and objects
+#-------------------------------------------------------------------------------
+C_SRC=$(wildcard $(PROJECT_BASE_PATH)/source/*.c)
+
+C_OBJ_TEMP = $(patsubst %.c, %.o, $(notdir $(C_SRC)))
+
+# during development, remove some files
+C_OBJ_FILTER=
+
+C_OBJ=$(filter-out $(C_OBJ_FILTER), $(C_OBJ_TEMP))
+
+#-------------------------------------------------------------------------------
+# Assembler source files and objects
+#-------------------------------------------------------------------------------
+A_SRC=$(wildcard $(PROJECT_BASE_PATH)/source/*.s)
+
+A_OBJ_TEMP=$(patsubst %.s, %.o, $(notdir $(A_SRC)))
+
+# during development, remove some files
+A_OBJ_FILTER=
+
+A_OBJ=$(filter-out $(A_OBJ_FILTER), $(A_OBJ_TEMP))
+
+#-------------------------------------------------------------------------------
+# Rules
+#-------------------------------------------------------------------------------
+all: $(BOARD)
+
+$(BOARD): create_output $(OUTPUT_LIB)
+
+.PHONY: create_output
+create_output:
+	@echo --- Preparing $(BOARD) files $(OUTPUT_PATH) $(OUTPUT_BIN) 
+#	@echo -------------------------
+#	@echo *$(C_SRC)
+#	@echo -------------------------
+#	@echo *$(C_OBJ)
+#	@echo -------------------------
+#	@echo *$(addprefix $(OUTPUT_PATH)/, $(C_OBJ))
+#	@echo -------------------------
+#	@echo *$(A_SRC)
+#	@echo -------------------------
+
+	-@mkdir $(subst /,$(SEP),$(OUTPUT_BIN)) 1>NUL 2>&1
+	-@mkdir $(OUTPUT_PATH) 1>NUL 2>&1
+
+$(addprefix $(OUTPUT_PATH)/,$(C_OBJ)): $(OUTPUT_PATH)/%.o: %.c
+	@$(CC) -c $(CFLAGS) $< -o $@
+
+$(addprefix $(OUTPUT_PATH)/,$(A_OBJ)): $(OUTPUT_PATH)/%.o: %.s
+	@$(AS) -c $(ASFLAGS) $< -o $@
+
+$(OUTPUT_LIB): $(addprefix $(OUTPUT_PATH)/, $(C_OBJ)) $(addprefix $(OUTPUT_PATH)/, $(A_OBJ))
+	@$(AR) -r "$(OUTPUT_BIN)/$@" $^
+	@$(NM) "$(OUTPUT_BIN)/$@" > "$(OUTPUT_BIN)/$@.txt"
+
+.PHONY: clean
+clean:
+	@echo --- Cleaning $(BOARD) files [$(OUTPUT_PATH)$(SEP)*.o]
+	-@$(RM) $(OUTPUT_PATH) 1>NUL 2>&1
+	-@$(RM) $(OUTPUT_BIN)/$(OUTPUT_LIB) 1>NUL 2>&1
+	-@$(RM) $(OUTPUT_BIN)/$(OUTPUT_LIB).txt 1>NUL 2>&1
+
+# dependencies
+$(addprefix $(OUTPUT_PATH)/,$(C_OBJ)): $(OUTPUT_PATH)/%.o: $(PROJECT_BASE_PATH)/board.h $(wildcard $(PROJECT_BASE_PATH)/include/*.h)

hardware/tools/libboard_sam3s-ek/include/bitbanding.h

@@ -0,0 +1,108 @@
+/* ----------------------------------------------------------------------------
+ *         ATMEL Microcontroller Software Support 
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2009, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ----------------------------------------------------------------------------
+ */
+
+#ifndef _BITBANDING_
+#define _BITBANDING_
+
+/*----------------------------------------------------------------------------
+ *  \file bitbanding.h
+ *  Include Defines & macros for bit-banding.
+ *----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+ *         Header files
+ *----------------------------------------------------------------------------*/
+
+#include <stdint.h>
+
+/*----------------------------------------------------------------------------
+ *         Global Macros
+ *----------------------------------------------------------------------------*/
+
+/**
+ *  \brief Check if the address is in bit banding sram region.
+ *
+ *  \note The address should be in area of 0x2000000 ~ 0x200FFFFF
+ *
+ *  \param x The address to check.
+ */
+#define IS_BITBAND_SRAM_ADDR(x)       \
+    ( ((uint32_t)(x)) >= 0x20000000 && \
+      ((uint32_t)(x)) < (0x20000000+0x100000) )
+
+/**
+ *  \brief Check if the address is in bit banding peripheral region
+ *
+ *  \note The address should be in area of 0x4000000 ~ 0x400FFFFF
+ *  \param x The address to check
+ */
+#define IS_BITBAND_PERIPH_ADDR(x)       \
+    ( ((uint32_t)(x)) >= 0x40000000 && \
+      ((uint32_t)(x)) < (0x40000000+0x100000) )
+
+/**
+ *  \brief Calculate bit band alias address.
+ * 
+ *  Calculate the bit band alias address and return a pointer address to word.
+ *
+ *  \param addr The byte address of bitbanding bit.
+ *  \param bit  The bit position of bitbanding bit.
+ *  \callergraph
+ */
+#define BITBAND_ALIAS_ADDRESS(addr, bit) \
+    ((volatile uint32_t*)((((uint32_t)(addr) & 0xF0000000) + 0x02000000) \
+                          +((((uint32_t)(addr)&0xFFFFF)*32)\
+                          +(  (uint32_t)(bit)*4))))
+
+/**
+ *  \brief Bit write through bit banding.
+ *
+ *  \param addr32 32-bit aligned byte address where the bit exists.
+ *  \param bit    Bit position.
+ *  \param val    The value that the bit is set to.
+ *  \callergraph
+ */
+#define WRITE_BITBANDING(addr32, bit, val) do {\
+        *BITBAND_ALIAS_ADDRESS(addr32,bit) = (val); \
+    } while (0);
+
+/**
+ *  \brief Toggle bit through bit banding
+ *
+ *  \param addr32 32-bit aligned byte address where the bit exists.
+ *  \param bit    Bit position.
+ */
+#define TOGGLE_BITBANDING(addr32, bit) do {\
+        volatile uint32_t * p = \
+            BITBAND_ALIAS_ADDRESS(addr32,bit); \
+        if (*p) *p = 0; \
+        else    *p = 1; \
+    }while(0);
+
+#endif /* #ifndef _BITBANDING_ */

hardware/tools/libboard_sam3s-ek/include/board_lowlevel.h

@@ -0,0 +1,46 @@
+/* ----------------------------------------------------------------------------
+ *         ATMEL Microcontroller Software Support
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2009, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ----------------------------------------------------------------------------
+ */
+
+/**
+ * \file
+ *
+ * Interface for the low-level initialization function.
+ *
+ */
+
+#ifndef BOARD_LOWLEVEL_H
+#define BOARD_LOWLEVEL_H
+
+/*----------------------------------------------------------------------------
+ *        Exported functions
+ *----------------------------------------------------------------------------*/
+extern void LowLevelInit( void ) ;
+
+#endif /* BOARD_LOWLEVEL_H */
+

hardware/tools/libboard_sam3s-ek/include/syscalls.h

@@ -0,0 +1,65 @@
+/* ----------------------------------------------------------------------------
+ *         ATMEL Microcontroller Software Support
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2009, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ----------------------------------------------------------------------------
+ */
+
+/**
+  * \file syscalls.h
+  *
+  * Implementation of newlib syscall.
+  *
+  */
+
+/*----------------------------------------------------------------------------
+ *        Headers
+ *----------------------------------------------------------------------------*/
+
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+/*----------------------------------------------------------------------------
+ *        Exported functions
+ *----------------------------------------------------------------------------*/
+
+extern caddr_t _sbrk ( int incr ) ;
+
+extern int link( char *old, char *new ) ;
+
+extern int _close( int file ) ;
+
+extern int _fstat( int file, struct stat *st ) ;
+
+extern int _isatty( int file ) ;
+
+extern int _lseek( int file, int ptr, int dir ) ;
+
+extern int _read(int file, char *ptr, int len) ;
+
+extern int _write( int file, char *ptr, int len ) ;

hardware/tools/libboard_sam3s-ek/include/timetick.h

@@ -0,0 +1,78 @@
+/* ----------------------------------------------------------------------------
+ *         ATMEL Microcontroller Software Support
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2009, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ----------------------------------------------------------------------------
+ */
+
+/**
+ *  \file
+ *
+ *  \par Purpose
+ *
+ *  Methods and definitions for Global time tick and wait functions.
+ *
+ *  Defines a common and simpliest use of Time Tick, to increase tickCount
+ *  every 1ms, the application can get this value through GetTickCount().
+ *
+ *  \par Usage
+ *
+ *  -# Configure the System Tick with TimeTick_Configure() when MCK changed
+ *     \note
+ *     Must be done before any invoke of GetTickCount(), Wait() or Sleep().
+ *  -# Uses GetTickCount to get current tick value.
+ *  -# Uses Wait to wait several ms.
+ *  -# Uses Sleep to enter wait for interrupt mode to wait several ms.
+ *
+ */
+
+#ifndef _TIMETICK_
+#define _TIMETICK_
+
+/*----------------------------------------------------------------------------
+ *         Headers
+ *----------------------------------------------------------------------------*/
+
+#include <stdint.h>
+
+/*----------------------------------------------------------------------------
+ *         Definitions
+ *----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+ *         Global functions
+ *----------------------------------------------------------------------------*/
+
+extern uint32_t TimeTick_Configure( uint32_t dwNew_MCK ) ;
+
+extern void TimeTick_Increment( void ) ;
+
+extern uint32_t GetTickCount( void ) ;
+
+extern void Wait( volatile uint32_t dwMs ) ;
+
+extern void Sleep( volatile uint32_t dwMs ) ;
+
+#endif /* _TIMETICK_ */

hardware/tools/libboard_sam3s-ek/lib/libboard_sam3s_ek_gcc_dbg.a.txt

@@ -0,0 +1,85 @@
+
+board_cstartup_gnu.o:
+00000000 W ACC_IrqHandler
+00000000 W ADC_IrqHandler
+00000000 W BusFault_Handler
+00000000 W CRCCU_IrqHandler
+00000000 W DAC_IrqHandler
+00000000 W DebugMon_Handler
+00000000 T Dummy_Handler
+00000000 W EEFC_IrqHandler
+00000000 W HardFault_Handler
+         U LowLevelInit
+00000000 W MCI_IrqHandler
+00000000 W MemManage_Handler
+00000000 W NMI_Handler
+00000000 W PIOA_IrqHandler
+00000000 W PIOB_IrqHandler
+00000000 W PIOC_IrqHandler
+00000000 W PMC_IrqHandler
+00000000 W PWM_IrqHandler
+00000000 W PendSV_Handler
+00000000 W RSTC_IrqHandler
+00000000 W RTC_IrqHandler
+00000000 W RTT_IrqHandler
+00000000 T Reset_Handler
+00000000 W SMC_IrqHandler
+00000000 W SPI_IrqHandler
+00000000 W SSC_IrqHandler
+00000000 W SUPC_IrqHandler
+00000000 W SVC_Handler
+00000000 W SysTick_Handler
+00000000 W TC0_IrqHandler
+00000000 W TC1_IrqHandler
+00000000 W TC2_IrqHandler
+00000000 W TC3_IrqHandler
+00000000 W TC4_IrqHandler
+00000000 W TC5_IrqHandler
+00000000 W TWI0_IrqHandler
+00000000 W TWI1_IrqHandler
+00000000 W UART0_IrqHandler
+00000000 W UART1_IrqHandler
+00000000 W USART0_IrqHandler
+00000000 W USART1_IrqHandler
+00000000 W USBD_IrqHandler
+00000000 W UsageFault_Handler
+00000000 W WDT_IrqHandler
+         U __libc_init_array
+         U _erelocate
+         U _etext
+         U _ezero
+         U _sfixed
+         U _srelocate
+         U _szero
+         U main
+00000000 D pdwStack
+00000000 D vector_table
+
+board_lowlevel.o:
+00000000 W LowLevelInit
+
+syscalls.o:
+00000000 T _close
+         U _end
+00000000 T _exit
+00000000 T _fstat
+00000000 T _getpid
+00000000 T _isatty
+00000000 T _kill
+00000000 T _lseek
+00000000 T _read
+00000000 T _sbrk
+00000000 T _write
+00000000 b heap.6737
+         U iprintf
+00000000 T link
+
+timetick.o:
+00000000 T GetTickCount
+00000000 t NVIC_SetPriority
+00000000 T Sleep
+00000000 t SysTick_Config
+00000000 T TimeTick_Configure
+00000000 T TimeTick_Increment
+00000000 T Wait
+00000000 b _dwTickCount

hardware/tools/libboard_sam3s-ek/lib/libboard_sam3s_ek_gcc_rel.a.txt

@@ -0,0 +1,83 @@
+
+board_cstartup_gnu.o:
+00000000 W ACC_IrqHandler
+00000000 W ADC_IrqHandler
+00000000 W BusFault_Handler
+00000000 W CRCCU_IrqHandler
+00000000 W DAC_IrqHandler
+00000000 W DebugMon_Handler
+00000000 T Dummy_Handler
+00000000 W EEFC_IrqHandler
+00000000 W HardFault_Handler
+         U LowLevelInit
+00000000 W MCI_IrqHandler
+00000000 W MemManage_Handler
+00000000 W NMI_Handler
+00000000 W PIOA_IrqHandler
+00000000 W PIOB_IrqHandler
+00000000 W PIOC_IrqHandler
+00000000 W PMC_IrqHandler
+00000000 W PWM_IrqHandler
+00000000 W PendSV_Handler
+00000000 W RSTC_IrqHandler
+00000000 W RTC_IrqHandler
+00000000 W RTT_IrqHandler
+00000000 T Reset_Handler
+00000000 W SMC_IrqHandler
+00000000 W SPI_IrqHandler
+00000000 W SSC_IrqHandler
+00000000 W SUPC_IrqHandler
+00000000 W SVC_Handler
+00000000 W SysTick_Handler
+00000000 W TC0_IrqHandler
+00000000 W TC1_IrqHandler
+00000000 W TC2_IrqHandler
+00000000 W TC3_IrqHandler
+00000000 W TC4_IrqHandler
+00000000 W TC5_IrqHandler
+00000000 W TWI0_IrqHandler
+00000000 W TWI1_IrqHandler
+00000000 W UART0_IrqHandler
+00000000 W UART1_IrqHandler
+00000000 W USART0_IrqHandler
+00000000 W USART1_IrqHandler
+00000000 W USBD_IrqHandler
+00000000 W UsageFault_Handler
+00000000 W WDT_IrqHandler
+         U __libc_init_array
+         U _erelocate
+         U _etext
+         U _ezero
+         U _sfixed
+         U _srelocate
+         U _szero
+         U main
+00000000 D pdwStack
+00000000 D vector_table
+
+board_lowlevel.o:
+00000000 W LowLevelInit
+
+syscalls.o:
+00000000 T _close
+         U _end
+00000000 T _exit
+00000000 T _fstat
+00000000 T _getpid
+00000000 T _isatty
+00000000 T _kill
+00000000 T _lseek
+00000000 T _read
+00000000 T _sbrk
+00000000 T _write
+00000000 b heap.6728
+         U iprintf
+00000000 T link
+
+timetick.o:
+00000000 T GetTickCount
+00000000 T Sleep
+00000000 T TimeTick_Configure
+00000000 T TimeTick_Increment
+00000000 T Wait
+00000000 b _dwTickCount

hardware/tools/libboard_sam3s-ek/source/board_cstartup_gnu.c

@@ -0,0 +1,227 @@
+/* ----------------------------------------------------------------------------
+ *         ATMEL Microcontroller Software Support
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2010, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ----------------------------------------------------------------------------
+ */
+
+/*----------------------------------------------------------------------------
+ *        Headers
+ *----------------------------------------------------------------------------*/
+
+#include "board.h"
+
+/*----------------------------------------------------------------------------
+ *        Exported variables
+ *----------------------------------------------------------------------------*/
+
+/* Stack Configuration */
+#define STACK_SIZE       0x900     /** Stack size (in DWords) */
+__attribute__ ((aligned(8),section(".stack")))
+uint32_t pdwStack[STACK_SIZE] ;
+
+/* Initialize segments */
+extern uint32_t _sfixed;
+extern uint32_t _efixed;
+extern uint32_t _etext;
+extern uint32_t _srelocate;
+extern uint32_t _erelocate;
+extern uint32_t _szero;
+extern uint32_t _ezero;
+
+
+/*----------------------------------------------------------------------------
+ *        Prototypes
+ *----------------------------------------------------------------------------*/
+
+/** \cond DOXYGEN_SHOULD_SKIP_THIS */
+extern int main( void ) ;
+/** \endcond */
+void Reset_Handler( void ) ;
+extern void __libc_init_array( void ) ;
+
+/* Default empty handler */
+void Dummy_Handler( void ) ;
+
+/* Cortex-M3 core handlers */
+extern void NMI_Handler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void HardFault_Handler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void MemManage_Handler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void BusFault_Handler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void UsageFault_Handler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void SVC_Handler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void DebugMon_Handler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void PendSV_Handler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void SysTick_Handler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+
+/* Peripherals handlers */
+extern void ACC_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void ADC_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void CRCCU_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void DAC_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void EEFC_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void MCI_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void PIOA_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void PIOB_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void PIOC_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void PMC_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void PWM_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void RSTC_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void RTC_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void RTT_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void SMC_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void SPI_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void SSC_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void SUPC_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void TC0_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void TC1_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void TC2_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void TC3_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void TC4_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void TC5_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void TWI0_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void TWI1_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void UART0_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void UART1_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void USART0_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void USART1_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void USBD_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+extern void WDT_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
+
+/*------------------------------------------------------------------------------
+ *         Exception Table
+ *------------------------------------------------------------------------------*/
+
+void* vector_table[] __attribute__ ((section(".vectors"))) = {
+    /* Configure Initial Stack Pointer, using linker-generated symbols */
+    (IntFunc)(&pdwStack[STACK_SIZE-1]),
+    Reset_Handler,
+
+    NMI_Handler,
+    HardFault_Handler,
+    MemManage_Handler,
+    BusFault_Handler,
+    UsageFault_Handler,
+    0, 0, 0, 0,         /* Reserved */
+    SVC_Handler,
+    DebugMon_Handler,
+    0,                  /* Reserved  */
+    PendSV_Handler,
+    SysTick_Handler,
+
+    /* Configurable interrupts  */
+    SUPC_IrqHandler,    /* 0  Supply Controller */
+    RSTC_IrqHandler,    /* 1  Reset Controller */
+    RTC_IrqHandler,     /* 2  Real Time Clock */
+    RTT_IrqHandler,     /* 3  Real Time Timer */
+    WDT_IrqHandler,     /* 4  Watchdog Timer */
+    PMC_IrqHandler,     /* 5  PMC */
+    EEFC_IrqHandler,    /* 6  EEFC */
+    Dummy_Handler,      /* 7  Reserved */
+    UART0_IrqHandler,   /* 8  UART0 */
+    UART1_IrqHandler,   /* 9  UART1 */
+    SMC_IrqHandler,     /* 10 SMC */
+    PIOA_IrqHandler,    /* 11 Parallel IO Controller A */
+    PIOB_IrqHandler,    /* 12 Parallel IO Controller B */
+    PIOC_IrqHandler,    /* 13 Parallel IO Controller C */
+    USART0_IrqHandler,  /* 14 USART 0 */
+    USART1_IrqHandler,  /* 15 USART 1 */
+    Dummy_Handler,      /* 16 Reserved */
+    Dummy_Handler,      /* 17 Reserved */
+    MCI_IrqHandler,     /* 18 MCI */
+    TWI0_IrqHandler,    /* 19 TWI 0 */
+    TWI1_IrqHandler,    /* 20 TWI 1 */
+    SPI_IrqHandler,     /* 21 SPI */
+    SSC_IrqHandler,     /* 22 SSC */
+    TC0_IrqHandler,     /* 23 Timer Counter 0 */
+    TC1_IrqHandler,     /* 24 Timer Counter 1 */
+    TC2_IrqHandler,     /* 25 Timer Counter 2 */
+    TC3_IrqHandler,     /* 26 Timer Counter 3 */
+    TC4_IrqHandler,     /* 27 Timer Counter 4 */
+    TC5_IrqHandler,     /* 28 Timer Counter 5 */
+    ADC_IrqHandler,     /* 29 ADC controller */
+    DAC_IrqHandler,     /* 30 DAC controller */
+    PWM_IrqHandler,     /* 31 PWM */
+    CRCCU_IrqHandler,   /* 32 CRC Calculation Unit */
+    ACC_IrqHandler,     /* 33 Analog Comparator */
+    USBD_IrqHandler,    /* 34 USB Device Port */
+    Dummy_Handler       /* 35 not used */
+};
+
+/**
+ * \brief This is the code that gets called on processor reset.
+ * To initialize the device, and call the main() routine.
+ */
+void Reset_Handler( void )
+{
+    uint32_t *pSrc, *pDest ;
+
+    /* Low level Initialize */
+    LowLevelInit() ;
+
+    /* Initialize the relocate segment */
+    pSrc = &_etext ;
+    pDest = &_srelocate ;
+
+    if ( pSrc != pDest )
+    {
+        for ( ; pDest < &_erelocate ; )
+        {
+            *pDest++ = *pSrc++ ;
+        }
+    }
+
+    /* Clear the zero segment */
+    for ( pDest = &_szero ; pDest < &_ezero ; )
+    {
+        *pDest++ = 0;
+    }
+
+    /* Set the vector table base address */
+    pSrc = (uint32_t *)&_sfixed;
+    SCB->VTOR = ( (uint32_t)pSrc & SCB_VTOR_TBLOFF_Msk ) ;
+
+    if ( ((uint32_t)pSrc >= IRAM_ADDR) && ((uint32_t)pSrc < IRAM_ADDR+IRAM_SIZE) )
+    {
+	    SCB->VTOR |= 1 << SCB_VTOR_TBLBASE_Pos ;
+    }
+
+    /* Initialize the C library */
+    __libc_init_array() ;
+
+    /* Branch to main function */
+    main() ;
+
+    /* Infinite loop */
+    while ( 1 ) ;
+}
+
+/**
+ * \brief Default interrupt handler for not used irq.
+ */
+void Dummy_Handler( void )
+{
+  while ( 1 ) ;
+}

hardware/tools/libboard_sam3s-ek/source/board_lowlevel.c

@@ -0,0 +1,111 @@
+/* ----------------------------------------------------------------------------
+ *         ATMEL Microcontroller Software Support
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2009, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ----------------------------------------------------------------------------
+ */
+
+/**
+ * \file
+ *
+ * Provides the low-level initialization function that called on chip startup.
+ */
+
+/*----------------------------------------------------------------------------
+ *        Headers
+ *----------------------------------------------------------------------------*/
+
+#include "board.h"
+
+/*----------------------------------------------------------------------------
+ *        Local definitions
+ *----------------------------------------------------------------------------*/
+
+/* Clock settings at 48MHz */
+#if (BOARD_MCK == 48000000)
+#define BOARD_OSCOUNT   (CKGR_MOR_MOSCXTST(0x8))
+#define BOARD_PLLAR     (CKGR_PLLAR_STUCKTO1 \
+                       | CKGR_PLLAR_MULA(0x7) \
+                       | CKGR_PLLAR_PLLACOUNT(0x1) \
+                       | CKGR_PLLAR_DIVA(0x1))
+#define BOARD_MCKR      (PMC_MCKR_PRES_CLK_2 | PMC_MCKR_CSS_PLLA_CLK)
+
+/* Clock settings at 64MHz */
+#elif (BOARD_MCK == 64000000)
+#define BOARD_OSCOUNT   (CKGR_MOR_MOSCXTST(0x8))
+#define BOARD_PLLAR     (CKGR_PLLAR_STUCKTO1 \
+                       | CKGR_PLLAR_MULA(0x0f) \
+                       | CKGR_PLLAR_PLLACOUNT(0x1) \
+                       | CKGR_PLLAR_DIVA(0x3))
+#define BOARD_MCKR      (PMC_MCKR_PRES_CLK | PMC_MCKR_CSS_PLLA_CLK)
+
+#else
+    #error "No settings for current BOARD_MCK."
+#endif
+
+/* Define clock timeout */
+#define CLOCK_TIMEOUT    0xFFFFFFFF
+
+/*----------------------------------------------------------------------------
+ *        Exported functions
+ *----------------------------------------------------------------------------*/
+
+/**
+ * \brief Performs the low-level initialization of the chip.
+ * This includes EFC and master clock configuration.
+ * It also enable a low level on the pin NRST triggers a user reset.
+ */
+extern WEAK void LowLevelInit( void )
+{
+  uint32_t dwTimeOut = 0 ;
+
+  /* Set 3 FWS for Embedded Flash Access @ 64MHz, we are now at 4MHz on Internal FastRC */
+  EFC->EEFC_FMR = EEFC_FMR_FWS( 3 ) ;
+
+  /* Initialize main oscillator */
+  if ( !(PMC->CKGR_MOR & CKGR_MOR_MOSCSEL) )
+  {
+    PMC->CKGR_MOR = CKGR_MOR_KEY(0x37) | BOARD_OSCOUNT | CKGR_MOR_MOSCRCEN | CKGR_MOR_MOSCXTEN;
+    for ( dwTimeOut = 0 ; !(PMC->PMC_SR & PMC_SR_MOSCXTS) && (dwTimeOut++ < CLOCK_TIMEOUT) ; ) ;
+  }
+
+  /* Switch to 3-20MHz Xtal oscillator */
+  PMC->CKGR_MOR = CKGR_MOR_KEY(0x37) | BOARD_OSCOUNT | CKGR_MOR_MOSCRCEN | CKGR_MOR_MOSCXTEN | CKGR_MOR_MOSCSEL;
+  for ( dwTimeOut = 0 ; !(PMC->PMC_SR & PMC_SR_MOSCSELS) && (dwTimeOut++ < CLOCK_TIMEOUT) ; ) ;
+
+  PMC->PMC_MCKR = (PMC->PMC_MCKR & ~(uint32_t)PMC_MCKR_CSS_Msk) | PMC_MCKR_CSS_MAIN_CLK;
+  for ( dwTimeOut = 0 ; !(PMC->PMC_SR & PMC_SR_MCKRDY) && (dwTimeOut++ < CLOCK_TIMEOUT) ; ) ;
+
+  /* Initialize PLLA */
+  PMC->CKGR_PLLAR = BOARD_PLLAR ;
+  for ( dwTimeOut = 0 ; !(PMC->PMC_SR & PMC_SR_LOCKA) && (dwTimeOut++ < CLOCK_TIMEOUT) ; ) ;
+
+  /* Switch to main clock */
+  PMC->PMC_MCKR = (BOARD_MCKR & ~PMC_MCKR_CSS_Msk) | PMC_MCKR_CSS_MAIN_CLK;
+  for ( dwTimeOut = 0 ; !(PMC->PMC_SR & PMC_SR_MCKRDY) && (dwTimeOut++ < CLOCK_TIMEOUT) ; ) ;
+
+  PMC->PMC_MCKR = BOARD_MCKR ;
+  for ( dwTimeOut = 0 ; !(PMC->PMC_SR & PMC_SR_MCKRDY) && (dwTimeOut++ < CLOCK_TIMEOUT) ; ) ;
+}

hardware/tools/libboard_sam3s-ek/source/syscalls.c

@@ -0,0 +1,141 @@
+/* ----------------------------------------------------------------------------
+ *         ATMEL Microcontroller Software Support
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2009, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ----------------------------------------------------------------------------
+ */
+
+/**
+  * \file syscalls.c
+  *
+  * Implementation of newlib syscall.
+  *
+  */
+
+/*----------------------------------------------------------------------------
+ *        Headers
+ *----------------------------------------------------------------------------*/
+
+
+#include "board.h"
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+/*----------------------------------------------------------------------------
+ *        Exported variables
+ *----------------------------------------------------------------------------*/
+
+#undef errno
+extern int errno ;
+extern int  _end ;
+
+/*----------------------------------------------------------------------------
+ *        Exported functions
+ *----------------------------------------------------------------------------*/
+extern void _exit( int status ) ;
+extern void _kill( int pid, int sig ) ;
+extern int _getpid ( void ) ;
+
+extern caddr_t _sbrk ( int incr )
+{
+    static unsigned char *heap = NULL ;
+    unsigned char *prev_heap ;
+
+    if ( heap == NULL )
+    {
+        heap = (unsigned char *)&_end ;
+    }
+    prev_heap = heap;
+
+    heap += incr ;
+
+    return (caddr_t) prev_heap ;
+}
+
+extern int link( char *old, char *new )
+{
+    return -1 ;
+}
+
+extern int _close( int file )
+{
+    return -1 ;
+}
+
+extern int _fstat( int file, struct stat *st )
+{
+    st->st_mode = S_IFCHR ;
+
+    return 0 ;
+}
+
+extern int _isatty( int file )
+{
+    return 1 ;
+}
+
+extern int _lseek( int file, int ptr, int dir )
+{
+    return 0 ;
+}
+
+extern int _read(int file, char *ptr, int len)
+{
+    return 0 ;
+}
+
+extern int _write( int file, char *ptr, int len )
+{
+    int iIndex ;
+    
+    
+//    for ( ; *ptr != 0 ; ptr++ )
+    for ( iIndex=0 ; iIndex < len ; iIndex++, ptr++ )
+    {
+//        UART_PutChar( *ptr ) ;
+    }
+
+    return iIndex ;
+}
+
+extern void _exit( int status )
+{
+    printf( "Exiting with status %d.\n", status ) ;
+
+    for ( ; ; ) ;
+}
+
+extern void _kill( int pid, int sig )
+{
+    return ; 
+}
+
+extern int _getpid ( void )
+{
+    return -1 ;
+}

hardware/tools/libboard_sam3s-ek/source/timetick.c

@@ -0,0 +1,118 @@
+/* ----------------------------------------------------------------------------
+ *         ATMEL Microcontroller Software Support
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2009, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ----------------------------------------------------------------------------
+ */
+
+/**
+ *  \file
+ *  Implement simple system tick usage.
+ */
+
+/*----------------------------------------------------------------------------
+ *         Headers
+ *----------------------------------------------------------------------------*/
+
+#include "board.h"
+
+/*----------------------------------------------------------------------------
+ *         Local variables
+ *----------------------------------------------------------------------------*/
+
+/** Tick Counter united by ms */
+static volatile uint32_t _dwTickCount=0 ;
+
+/*----------------------------------------------------------------------------
+ *         Exported Functions
+ *----------------------------------------------------------------------------*/
+
+/**
+ *  \brief Handler for Sytem Tick interrupt.
+ */
+extern void TimeTick_Increment( void )
+{
+    _dwTickCount++ ;
+}
+
+/**
+ *  \brief Configures the SAM3 SysTick & reset tickCount.
+ *  Systick interrupt handler will generates 1ms interrupt and increase a
+ *  tickCount.
+ *  \param dwNew_MCK  Current master clock.
+ */
+extern uint32_t TimeTick_Configure( uint32_t dwNew_MCK )
+{
+    _dwTickCount = 0 ;
+
+    return SysTick_Config( dwNew_MCK/1000 ) ;
+}
+
+/**
+ *  \brief Get current Tick Count, in ms.
+ */
+extern uint32_t GetTickCount( void )
+{
+    return _dwTickCount ;
+}
+
+/**
+ *  \brief Sync Wait for several ms
+ */
+extern void Wait( volatile uint32_t dwMs )
+{
+    uint32_t dwStart ;
+    uint32_t dwCurrent ;
+
+    dwStart = _dwTickCount ;
+    do
+    {
+        dwCurrent = _dwTickCount ;
+    } while ( dwCurrent - dwStart < dwMs ) ;
+}
+
+/**
+ *  \brief Sync Sleep for several ms
+ */
+extern void Sleep( volatile uint32_t dwMs )
+{
+    uint32_t dwStart ;
+    uint32_t dwCurrent ;
+
+    dwStart = _dwTickCount ;
+
+    do
+    {
+        dwCurrent = _dwTickCount ;
+
+        if ( dwCurrent - dwStart > dwMs )
+        {
+            break ;
+        }
+
+        __WFI() ;
+    } while( 1 ) ;
+}
+