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77 lines
2.9 KiB
C
77 lines
2.9 KiB
C
#ifndef __PGMSPACE_H_
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#define __PGMSPACE_H_
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#include <stdint.h>
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#include <stdio.h>
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#define PROGMEM
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#define PGM_P const char *
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#define PGM_VOID_P const void *
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#define PSTR(s) (__extension__({static const char __c[] PROGMEM = (s); &__c[0];}))
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#define _SFR_BYTE(n) (n)
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typedef void prog_void;
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typedef char prog_char;
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typedef unsigned char prog_uchar;
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typedef int8_t prog_int8_t;
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typedef uint8_t prog_uint8_t;
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typedef int16_t prog_int16_t;
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typedef uint16_t prog_uint16_t;
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typedef int32_t prog_int32_t;
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typedef uint32_t prog_uint32_t;
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#define SIZE_IRRELEVANT 0x7fffffff
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int memcmp_P(const void* buf1, PGM_VOID_P buf2P, size_t size);
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// memccpy_P is only valid when used with pointers to 8bit data, due to size aligned pointers
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// and endianess of the values greater than 8bit, matching c may return invalid aligned pointers
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void* memccpy_P(void* dest, PGM_VOID_P src, int c, size_t count);
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void* memmem_P(const void* buf, size_t bufSize, PGM_VOID_P findP, size_t findPSize);
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void* memcpy_P(void* dest, PGM_VOID_P src, size_t count);
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#define strncpy_P(dest, src, size) strncpy(dest, src, size)
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#define strcpy_P(dest, src) strncpy_P((dest), (src), SIZE_IRRELEVANT)
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#define strncat_P(dest, src, size) strncat(dest, src, size)
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#define strcat_P(dest, src) strncat_P((dest), (src), SIZE_IRRELEVANT)
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#define strncmp_P(str1, str2P, size) strncmp(str1, str2P, size)
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#define strcmp_P(str1, str2P) strncmp_P((str1), (str2P), SIZE_IRRELEVANT)
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#define strncasecmp_P(str1, str2P, size) strncasecmp(str1, str2P, size)
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#define strcasecmp_P(str1, str2P) strncasecmp_P((str1), (str2P), SIZE_IRRELEVANT)
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#define strnlen_P(s, size) strnlen(s, size)
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#define strlen_P(strP) strnlen_P((strP), SIZE_IRRELEVANT)
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#define printf_P(formatP, ...) printf(formatP, __VA_ARGS__)
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#define sprintf_P(str, formatP, ...) sprintf(str, formatP, __VA_ARGS__)
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#define snprintf_P(str, strSize, formatP, ...) snprintf(str, strSize, formatP, __VA_ARGS__)
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#define vsnprintf_P(str, strSize, formatP, ap) vsnprintf(str, strSize, formatP, ap)
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// flash memory must be read using 32 bit aligned addresses else a processor
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// exception will be triggered
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// order within the 32 bit values are
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// --------------
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// b3, b2, b1, b0
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// w1, w0
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#define pgm_read_byte(x) (*reinterpret_cast<const uint8_t*>(x))
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#define pgm_read_word(x) (*reinterpret_cast<const uint16_t*>(x))
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#define pgm_read_float(x) (*reinterpret_cast<const float*>(x))
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#define pgm_read_dword(x) (*reinterpret_cast<const uint32_t*>(x))
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#define pgm_read_byte_near(addr) pgm_read_byte(addr)
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#define pgm_read_word_near(addr) pgm_read_word(addr)
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#define pgm_read_dword_near(addr) pgm_read_dword(addr)
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#define pgm_read_float_near(addr) pgm_read_float(addr)
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#define pgm_read_byte_far(addr) pgm_read_byte(addr)
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#define pgm_read_word_far(addr) pgm_read_word(addr)
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#define pgm_read_dword_far(addr) pgm_read_dword(addr)
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#define pgm_read_float_far(addr) pgm_read_float(addr)
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#endif //__PGMSPACE_H_
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