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SD_command assembly rewrite

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This commit is contained in:
Byron Lathi
2023-07-23 16:25:13 -07:00
parent 5ca5fca29b
commit 709c60cf36
5 changed files with 188 additions and 416 deletions
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2
sw/bootloader/devices/sd_card.c
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@@ -94,6 +94,7 @@ void SD_powerUpSeq()
/*******************************************************************************
Send command to SD card
*******************************************************************************/
/*
void SD_command(uint8_t cmd, uint32_t arg, uint8_t crc)
{
// transmit command to sd card
@@ -108,6 +109,7 @@ void SD_command(uint8_t cmd, uint32_t arg, uint8_t crc)
// transmit crc
spi_exchange(crc|0x01);
}
*/
/*******************************************************************************
Read R1 from SD card