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Multi-host support

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This commit is contained in:
Thomas Moore
2017-11-05 08:49:38 -06:00
committed by Scott Lahteine
parent dabb75034c
commit f7efac57b7
41 changed files with 1192 additions and 747 deletions
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58
Marlin/src/sd/SdFatUtil.cpp
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@@ -38,54 +38,22 @@
* \return The number of free bytes.
*/
#ifdef __arm__
extern "C" char* sbrk(int incr);
int SdFatUtil::FreeRam() {
char top;
return &top - reinterpret_cast<char*>(sbrk(0));
}
#else // __arm__
extern char* __brkval;
extern char __bss_end;
/**
* Amount of free RAM
* \return The number of free bytes.
*/
int SdFatUtil::FreeRam() {
char top;
return __brkval ? &top - __brkval : &top - &__bss_end;
}
#endif // __arm
/**
* %Print a string in flash memory.
*
* \param[in] pr Print object for output.
* \param[in] str Pointer to string stored in flash memory.
*/
void SdFatUtil::print_P(PGM_P str) {
for (uint8_t c; (c = pgm_read_byte(str)); str++) MYSERIAL.write(c);
}
extern "C" char* sbrk(int incr);
int SdFatUtil::FreeRam() {
char top;
return &top - reinterpret_cast<char*>(sbrk(0));
}
/**
* %Print a string in flash memory followed by a CR/LF.
*
* \param[in] pr Print object for output.
* \param[in] str Pointer to string stored in flash memory.
*/
void SdFatUtil::println_P(PGM_P str) { print_P(str); MYSERIAL.println(); }
#else
/**
* %Print a string in flash memory to Serial.
*
* \param[in] str Pointer to string stored in flash memory.
*/
void SdFatUtil::SerialPrint_P(PGM_P str) { print_P(str); }
extern char* __brkval;
extern char __bss_end;
int SdFatUtil::FreeRam() {
char top;
return __brkval ? &top - __brkval : &top - &__bss_end;
}
/**
* %Print a string in flash memory to Serial followed by a CR/LF.
*
* \param[in] str Pointer to string stored in flash memory.
*/
void SdFatUtil::SerialPrintln_P(PGM_P str) { println_P(str); }
#endif
#endif // SDSUPPORT