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arduinisten/arduino-0018-windows/hardware/tools/avr/doc/avr-libc/man/man3/pgmspace.h.3

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arduino-0018-windows
15 years ago
.TH "pgmspace.h" 3 "4 Dec 2008" "Version 1.6.4" "avr-libc" \" -*- nroff -*-
.ad l
.nh
.SH NAME
pgmspace.h \-
.SH "Detailed Description"
.PP
.SH SYNOPSIS
.br
.PP
.SS "Defines"
.in +1c
.ti -1c
.RI "#define \fB__PGMSPACE_H_\fP 1"
.br
.ti -1c
.RI "#define \fB__need_size_t\fP"
.br
.ti -1c
.RI "#define \fB__ATTR_PROGMEM__\fP __attribute__((__progmem__))"
.br
.ti -1c
.RI "#define \fB__ATTR_PURE__\fP __attribute__((__pure__))"
.br
.ti -1c
.RI "#define \fBPROGMEM\fP __ATTR_PROGMEM__"
.br
.ti -1c
.RI "#define \fBPSTR\fP(s) ((const PROGMEM char *)(s))"
.br
.ti -1c
.RI "#define \fB__LPM_classic__\fP(addr)"
.br
.ti -1c
.RI "#define \fB__LPM_enhanced__\fP(addr)"
.br
.ti -1c
.RI "#define \fB__LPM_word_classic__\fP(addr)"
.br
.ti -1c
.RI "#define \fB__LPM_word_enhanced__\fP(addr)"
.br
.ti -1c
.RI "#define \fB__LPM_dword_classic__\fP(addr)"
.br
.ti -1c
.RI "#define \fB__LPM_dword_enhanced__\fP(addr)"
.br
.ti -1c
.RI "#define \fB__LPM_float_classic__\fP(addr)"
.br
.ti -1c
.RI "#define \fB__LPM_float_enhanced__\fP(addr)"
.br
.ti -1c
.RI "#define \fB__LPM\fP(addr) __LPM_classic__(addr)"
.br
.ti -1c
.RI "#define \fB__LPM_word\fP(addr) __LPM_word_classic__(addr)"
.br
.ti -1c
.RI "#define \fB__LPM_dword\fP(addr) __LPM_dword_classic__(addr)"
.br
.ti -1c
.RI "#define \fB__LPM_float\fP(addr) __LPM_float_classic__(addr)"
.br
.ti -1c
.RI "#define \fBpgm_read_byte_near\fP(address_short) __LPM((\fBuint16_t\fP)(address_short))"
.br
.ti -1c
.RI "#define \fBpgm_read_word_near\fP(address_short) __LPM_word((\fBuint16_t\fP)(address_short))"
.br
.ti -1c
.RI "#define \fBpgm_read_dword_near\fP(address_short) __LPM_dword((\fBuint16_t\fP)(address_short))"
.br
.ti -1c
.RI "#define \fBpgm_read_float_near\fP(address_short) __LPM_float((\fBuint16_t\fP)(address_short))"
.br
.ti -1c
.RI "#define \fB__ELPM_classic__\fP(addr)"
.br
.ti -1c
.RI "#define \fB__ELPM_enhanced__\fP(addr)"
.br
.ti -1c
.RI "#define \fB__ELPM_word_classic__\fP(addr)"
.br
.ti -1c
.RI "#define \fB__ELPM_word_enhanced__\fP(addr)"
.br
.ti -1c
.RI "#define \fB__ELPM_dword_classic__\fP(addr)"
.br
.ti -1c
.RI "#define \fB__ELPM_dword_enhanced__\fP(addr)"
.br
.ti -1c
.RI "#define \fB__ELPM_float_classic__\fP(addr)"
.br
.ti -1c
.RI "#define \fB__ELPM_float_enhanced__\fP(addr)"
.br
.ti -1c
.RI "#define \fB__ELPM\fP(addr) __ELPM_classic__(addr)"
.br
.ti -1c
.RI "#define \fB__ELPM_word\fP(addr) __ELPM_word_classic__(addr)"
.br
.ti -1c
.RI "#define \fB__ELPM_dword\fP(addr) __ELPM_dword_classic__(addr)"
.br
.ti -1c
.RI "#define \fB__ELPM_float\fP(addr) __ELPM_float_classic__(addr)"
.br
.ti -1c
.RI "#define \fBpgm_read_byte_far\fP(address_long) __ELPM((\fBuint32_t\fP)(address_long))"
.br
.ti -1c
.RI "#define \fBpgm_read_word_far\fP(address_long) __ELPM_word((\fBuint32_t\fP)(address_long))"
.br
.ti -1c
.RI "#define \fBpgm_read_dword_far\fP(address_long) __ELPM_dword((\fBuint32_t\fP)(address_long))"
.br
.ti -1c
.RI "#define \fBpgm_read_float_far\fP(address_long) __ELPM_float((\fBuint32_t\fP)(address_long))"
.br
.ti -1c
.RI "#define \fBpgm_read_byte\fP(address_short) pgm_read_byte_near(address_short)"
.br
.ti -1c
.RI "#define \fBpgm_read_word\fP(address_short) pgm_read_word_near(address_short)"
.br
.ti -1c
.RI "#define \fBpgm_read_dword\fP(address_short) pgm_read_dword_near(address_short)"
.br
.ti -1c
.RI "#define \fBpgm_read_float\fP(address_short) pgm_read_float_near(address_short)"
.br
.ti -1c
.RI "#define \fBPGM_P\fP const \fBprog_char\fP *"
.br
.ti -1c
.RI "#define \fBPGM_VOID_P\fP const \fBprog_void\fP *"
.br
.in -1c
.SS "Typedefs"
.in +1c
.ti -1c
.RI "typedef void PROGMEM \fBprog_void\fP"
.br
.ti -1c
.RI "typedef char PROGMEM \fBprog_char\fP"
.br
.ti -1c
.RI "typedef unsigned char PROGMEM \fBprog_uchar\fP"
.br
.ti -1c
.RI "typedef \fBint8_t\fP PROGMEM \fBprog_int8_t\fP"
.br
.ti -1c
.RI "typedef \fBuint8_t\fP PROGMEM \fBprog_uint8_t\fP"
.br
.ti -1c
.RI "typedef \fBint16_t\fP PROGMEM \fBprog_int16_t\fP"
.br
.ti -1c
.RI "typedef \fBuint16_t\fP PROGMEM \fBprog_uint16_t\fP"
.br
.ti -1c
.RI "typedef \fBint32_t\fP PROGMEM \fBprog_int32_t\fP"
.br
.ti -1c
.RI "typedef \fBuint32_t\fP PROGMEM \fBprog_uint32_t\fP"
.br
.ti -1c
.RI "typedef \fBint64_t\fP PROGMEM \fBprog_int64_t\fP"
.br
.ti -1c
.RI "typedef \fBuint64_t\fP PROGMEM \fBprog_uint64_t\fP"
.br
.in -1c
.SS "Functions"
.in +1c
.ti -1c
.RI "PGM_VOID_P \fBmemchr_P\fP (PGM_VOID_P, int __val, size_t __len)"
.br
.ti -1c
.RI "int \fBmemcmp_P\fP (const void *, PGM_VOID_P, size_t) __ATTR_PURE__"
.br
.ti -1c
.RI "void * \fBmemcpy_P\fP (void *, PGM_VOID_P, size_t)"
.br
.ti -1c
.RI "void * \fBmemmem_P\fP (const void *, size_t, PGM_VOID_P, size_t) __ATTR_PURE__"
.br
.ti -1c
.RI "PGM_VOID_P \fBmemrchr_P\fP (PGM_VOID_P, int __val, size_t __len)"
.br
.ti -1c
.RI "char * \fBstrcat_P\fP (char *, PGM_P)"
.br
.ti -1c
.RI "PGM_P \fBstrchr_P\fP (PGM_P, int __val)"
.br
.ti -1c
.RI "PGM_P \fBstrchrnul_P\fP (PGM_P, int __val)"
.br
.ti -1c
.RI "int \fBstrcmp_P\fP (const char *, PGM_P) __ATTR_PURE__"
.br
.ti -1c
.RI "char * \fBstrcpy_P\fP (char *, PGM_P)"
.br
.ti -1c
.RI "int \fBstrcasecmp_P\fP (const char *, PGM_P) __ATTR_PURE__"
.br
.ti -1c
.RI "char * \fBstrcasestr_P\fP (const char *, PGM_P) __ATTR_PURE__"
.br
.ti -1c
.RI "size_t \fBstrcspn_P\fP (const char *__s, PGM_P __reject) __ATTR_PURE__"
.br
.ti -1c
.RI "size_t \fBstrlcat_P\fP (char *, PGM_P, size_t)"
.br
.ti -1c
.RI "size_t \fBstrlcpy_P\fP (char *, PGM_P, size_t)"
.br
.ti -1c
.RI "size_t \fBstrlen_P\fP (PGM_P)"
.br
.ti -1c
.RI "size_t \fBstrnlen_P\fP (PGM_P, size_t)"
.br
.ti -1c
.RI "int \fBstrncmp_P\fP (const char *, PGM_P, size_t) __ATTR_PURE__"
.br
.ti -1c
.RI "int \fBstrncasecmp_P\fP (const char *, PGM_P, size_t) __ATTR_PURE__"
.br
.ti -1c
.RI "char * \fBstrncat_P\fP (char *, PGM_P, size_t)"
.br
.ti -1c
.RI "char * \fBstrncpy_P\fP (char *, PGM_P, size_t)"
.br
.ti -1c
.RI "char * \fBstrpbrk_P\fP (const char *__s, PGM_P __accept) __ATTR_PURE__"
.br
.ti -1c
.RI "PGM_P \fBstrrchr_P\fP (PGM_P, int __val)"
.br
.ti -1c
.RI "char * \fBstrsep_P\fP (char **__sp, PGM_P __delim)"
.br
.ti -1c
.RI "size_t \fBstrspn_P\fP (const char *__s, PGM_P __accept) __ATTR_PURE__"
.br
.ti -1c
.RI "char * \fBstrstr_P\fP (const char *, PGM_P) __ATTR_PURE__"
.br
.in -1c
.SH "Define Documentation"
.PP
.SS "#define __ELPM_classic__(addr)"
.PP
\fBValue:\fP
.PP
.nf
(__extension__({ \
uint32_t __addr32 = (uint32_t)(addr); \
uint8_t __result; \
__asm__ \
( \
'out %2, %C1' '\n\t' \
'mov r31, %B1' '\n\t' \
'mov r30, %A1' '\n\t' \
'elpm' '\n\t' \
'mov %0, r0' '\n\t' \
: '=r' (__result) \
: 'r' (__addr32), \
'I' (_SFR_IO_ADDR(RAMPZ)) \
: 'r0', 'r30', 'r31' \
); \
__result; \
}))
.fi
.SS "#define __ELPM_dword_enhanced__(addr)"
.PP
\fBValue:\fP
.PP
.nf
(__extension__({ \
uint32_t __addr32 = (uint32_t)(addr); \
uint32_t __result; \
__asm__ \
( \
'out %2, %C1' '\n\t' \
'movw r30, %1' '\n\t' \
'elpm %A0, Z+' '\n\t' \
'elpm %B0, Z+' '\n\t' \
'elpm %C0, Z+' '\n\t' \
'elpm %D0, Z' '\n\t' \
: '=r' (__result) \
: 'r' (__addr32), \
'I' (_SFR_IO_ADDR(RAMPZ)) \
: 'r30', 'r31' \
); \
__result; \
}))
.fi
.SS "#define __ELPM_enhanced__(addr)"
.PP
\fBValue:\fP
.PP
.nf
(__extension__({ \
uint32_t __addr32 = (uint32_t)(addr); \
uint8_t __result; \
__asm__ \
( \
'out %2, %C1' '\n\t' \
'movw r30, %1' '\n\t' \
'elpm %0, Z+' '\n\t' \
: '=r' (__result) \
: 'r' (__addr32), \
'I' (_SFR_IO_ADDR(RAMPZ)) \
: 'r30', 'r31' \
); \
__result; \
}))
.fi
.SS "#define __ELPM_float_enhanced__(addr)"
.PP
\fBValue:\fP
.PP
.nf
(__extension__({ \
uint32_t __addr32 = (uint32_t)(addr); \
float __result; \
__asm__ \
( \
'out %2, %C1' '\n\t' \
'movw r30, %1' '\n\t' \
'elpm %A0, Z+' '\n\t' \
'elpm %B0, Z+' '\n\t' \
'elpm %C0, Z+' '\n\t' \
'elpm %D0, Z' '\n\t' \
: '=r' (__result) \
: 'r' (__addr32), \
'I' (_SFR_IO_ADDR(RAMPZ)) \
: 'r30', 'r31' \
); \
__result; \
}))
.fi
.SS "#define __ELPM_word_classic__(addr)"
.PP
\fBValue:\fP
.PP
.nf
(__extension__({ \
uint32_t __addr32 = (uint32_t)(addr); \
uint16_t __result; \
__asm__ \
( \
'out %2, %C1' '\n\t' \
'mov r31, %B1' '\n\t' \
'mov r30, %A1' '\n\t' \
'elpm' '\n\t' \
'mov %A0, r0' '\n\t' \
'in r0, %2' '\n\t' \
'adiw r30, 1' '\n\t' \
'adc r0, __zero_reg__' '\n\t' \
'out %2, r0' '\n\t' \
'elpm' '\n\t' \
'mov %B0, r0' '\n\t' \
: '=r' (__result) \
: 'r' (__addr32), \
'I' (_SFR_IO_ADDR(RAMPZ)) \
: 'r0', 'r30', 'r31' \
); \
__result; \
}))
.fi
.SS "#define __ELPM_word_enhanced__(addr)"
.PP
\fBValue:\fP
.PP
.nf
(__extension__({ \
uint32_t __addr32 = (uint32_t)(addr); \
uint16_t __result; \
__asm__ \
( \
'out %2, %C1' '\n\t' \
'movw r30, %1' '\n\t' \
'elpm %A0, Z+' '\n\t' \
'elpm %B0, Z' '\n\t' \
: '=r' (__result) \
: 'r' (__addr32), \
'I' (_SFR_IO_ADDR(RAMPZ)) \
: 'r30', 'r31' \
); \
__result; \
}))
.fi
.SS "#define __LPM_classic__(addr)"
.PP
\fBValue:\fP
.PP
.nf
(__extension__({ \
uint16_t __addr16 = (uint16_t)(addr); \
uint8_t __result; \
__asm__ \
( \
'lpm' '\n\t' \
'mov %0, r0' '\n\t' \
: '=r' (__result) \
: 'z' (__addr16) \
: 'r0' \
); \
__result; \
}))
.fi
.SS "#define __LPM_dword_classic__(addr)"
.PP
\fBValue:\fP
.PP
.nf
(__extension__({ \
uint16_t __addr16 = (uint16_t)(addr); \
uint32_t __result; \
__asm__ \
( \
'lpm' '\n\t' \
'mov %A0, r0' '\n\t' \
'adiw r30, 1' '\n\t' \
'lpm' '\n\t' \
'mov %B0, r0' '\n\t' \
'adiw r30, 1' '\n\t' \
'lpm' '\n\t' \
'mov %C0, r0' '\n\t' \
'adiw r30, 1' '\n\t' \
'lpm' '\n\t' \
'mov %D0, r0' '\n\t' \
: '=r' (__result), '=z' (__addr16) \
: '1' (__addr16) \
: 'r0' \
); \
__result; \
}))
.fi
.SS "#define __LPM_dword_enhanced__(addr)"
.PP
\fBValue:\fP
.PP
.nf
(__extension__({ \
uint16_t __addr16 = (uint16_t)(addr); \
uint32_t __result; \
__asm__ \
( \
'lpm %A0, Z+' '\n\t' \
'lpm %B0, Z+' '\n\t' \
'lpm %C0, Z+' '\n\t' \
'lpm %D0, Z' '\n\t' \
: '=r' (__result), '=z' (__addr16) \
: '1' (__addr16) \
); \
__result; \
}))
.fi
.SS "#define __LPM_enhanced__(addr)"
.PP
\fBValue:\fP
.PP
.nf
(__extension__({ \
uint16_t __addr16 = (uint16_t)(addr); \
uint8_t __result; \
__asm__ \
( \
'lpm %0, Z' '\n\t' \
: '=r' (__result) \
: 'z' (__addr16) \
); \
__result; \
}))
.fi
.SS "#define __LPM_float_classic__(addr)"
.PP
\fBValue:\fP
.PP
.nf
(__extension__({ \
uint16_t __addr16 = (uint16_t)(addr); \
float __result; \
__asm__ \
( \
'lpm' '\n\t' \
'mov %A0, r0' '\n\t' \
'adiw r30, 1' '\n\t' \
'lpm' '\n\t' \
'mov %B0, r0' '\n\t' \
'adiw r30, 1' '\n\t' \
'lpm' '\n\t' \
'mov %C0, r0' '\n\t' \
'adiw r30, 1' '\n\t' \
'lpm' '\n\t' \
'mov %D0, r0' '\n\t' \
: '=r' (__result), '=z' (__addr16) \
: '1' (__addr16) \
: 'r0' \
); \
__result; \
}))
.fi
.SS "#define __LPM_float_enhanced__(addr)"
.PP
\fBValue:\fP
.PP
.nf
(__extension__({ \
uint16_t __addr16 = (uint16_t)(addr); \
float __result; \
__asm__ \
( \
'lpm %A0, Z+' '\n\t' \
'lpm %B0, Z+' '\n\t' \
'lpm %C0, Z+' '\n\t' \
'lpm %D0, Z' '\n\t' \
: '=r' (__result), '=z' (__addr16) \
: '1' (__addr16) \
); \
__result; \
}))
.fi
.SS "#define __LPM_word_classic__(addr)"
.PP
\fBValue:\fP
.PP
.nf
(__extension__({ \
uint16_t __addr16 = (uint16_t)(addr); \
uint16_t __result; \
__asm__ \
( \
'lpm' '\n\t' \
'mov %A0, r0' '\n\t' \
'adiw r30, 1' '\n\t' \
'lpm' '\n\t' \
'mov %B0, r0' '\n\t' \
: '=r' (__result), '=z' (__addr16) \
: '1' (__addr16) \
: 'r0' \
); \
__result; \
}))
.fi
.SS "#define __LPM_word_enhanced__(addr)"
.PP
\fBValue:\fP
.PP
.nf
(__extension__({ \
uint16_t __addr16 = (uint16_t)(addr); \
uint16_t __result; \
__asm__ \
( \
'lpm %A0, Z+' '\n\t' \
'lpm %B0, Z' '\n\t' \
: '=r' (__result), '=z' (__addr16) \
: '1' (__addr16) \
); \
__result; \
}))
.fi
.SH "Author"
.PP
Generated automatically by Doxygen for avr-libc from the source code.