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Fix several SD card issues (#4876)

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- File might not eval to false if opened with write/append and SD is gone
- Allow card to be formatted if FAT partition was not found
- Mark card as gone in certain situations
- Fix several logic errors in low level SD API
This commit is contained in:
Me No Dev
2021-03-01 23:52:57 +02:00
committed by GitHub
parent 3fe7c2e8cd
commit 1cf1c8eb79
7 changed files with 90 additions and 40 deletions
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4
libraries/SD/src/SD.cpp
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@ -22,7 +22,7 @@ using namespace fs;
SDFS::SDFS(FSImplPtr impl): FS(impl), _pdrv(0xFF) {}
bool SDFS::begin(uint8_t ssPin, SPIClass &spi, uint32_t frequency, const char * mountpoint, uint8_t max_files)
bool SDFS::begin(uint8_t ssPin, SPIClass &spi, uint32_t frequency, const char * mountpoint, uint8_t max_files, bool format_if_empty)
{
if(_pdrv != 0xFF) {
return true;
@ -35,7 +35,7 @@ bool SDFS::begin(uint8_t ssPin, SPIClass &spi, uint32_t frequency, const char *
return false;
}
if(!sdcard_mount(_pdrv, mountpoint, max_files)){
if(!sdcard_mount(_pdrv, mountpoint, max_files, format_if_empty)){
sdcard_unmount(_pdrv);
sdcard_uninit(_pdrv);
_pdrv = 0xFF;