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Fix SD Card not properly initializing

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This commit is contained in:
me-no-dev 2017-07-07 11:34:54 +03:00
parent 9d0ae7a6be
commit 13bb22de30
1 changed files with 7 additions and 10 deletions
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17
libraries/SD/src/sd_diskio.cpp
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@ -84,22 +84,14 @@ void sdDeselectCard(uint8_t pdrv)
{
ardu_sdcard_t * card = s_cards[pdrv];
digitalWrite(card->ssPin, HIGH);
card->spi->write(0xFF);
}
bool sdSelectCard(uint8_t pdrv)
{
ardu_sdcard_t * card = s_cards[pdrv];
digitalWrite(card->ssPin, LOW);
card->spi->write(0xFF);
if (sdWait(pdrv, 500)) {
return true;
} else {
log_e("timeout");
sdDeselectCard(pdrv);
return false;
}
sdWait(pdrv, 300);
return true;
}
char sdCommand(uint8_t pdrv, char cmd, unsigned int arg, unsigned int* resp)
@ -448,6 +440,11 @@ DSTATUS ff_sd_initialize(uint8_t pdrv)
card->spi->beginTransaction(SPISettings(400000, MSBFIRST, SPI_MODE0));
digitalWrite(card->ssPin, HIGH);
for (uint8_t i = 0; i < 20; i++) {
card->spi->transfer(0XFF);
}
if (sdTransaction(pdrv, GO_IDLE_STATE, 0, NULL) != 1) {
log_w("GO_IDLE_STATE failed");
goto unknown_card;