I'm using STM32F779II With a microsd card. That is clocked at 48MHz.
When writing to the sdcard as a block, I get HAL_TimeOut, using that function:
err = HAL_SD_WriteBlocks(&sd_handle, (uint8_t *)src, block_num, num_blocks, 6000);
After writing I wait like that :
static HAL_StatusTypeDef sdcard_wait_finished(SD_HandleTypeDef *sd,
uint32_t timeout) {
// Wait for HAL driver to be ready (eg for DMA to finish)
uint32_t start = HAL_GetTick();
while (sd->State == HAL_SD_STATE_BUSY) {
if (HAL_GetTick() - start >= timeout) {
return HAL_TIMEOUT;
}
}
// Wait for SD card to complete the operation
for (;;) {
HAL_SD_CardStateTypeDef state = HAL_SD_GetCardState(sd);
if (state == HAL_SD_CARD_TRANSFER) {
return HAL_OK;
}
if (!(state == HAL_SD_CARD_SENDING || state == HAL_SD_CARD_RECEIVING ||
state == HAL_SD_CARD_PROGRAMMING)) {
return HAL_ERROR;
}
if (HAL_GetTick() - start >= timeout) {
return HAL_TIMEOUT;
}
}
return HAL_OK;
}
And here is How I'm initializing it:
secbool sdcard_power_on(void) {
if (sectrue != sdcard_is_present()) {
return secfalse;
}
if (sd_handle.Instance) {
return sectrue;
}
HAL_SD_MspInit(&sd_handle);
// turn on SD card circuitry
sdcard_active_pin_state();
HAL_Delay(50);
// SD device interface configuration
sd_handle.Instance = SDMMC1;
sd_handle.Init.ClockEdge = SDMMC_CLOCK_EDGE_RISING;
sd_handle.Init.ClockBypass = SDMMC_CLOCK_BYPASS_ENABLE;
sd_handle.Init.ClockPowerSave = SDMMC_CLOCK_POWER_SAVE_DISABLE;
sd_handle.Init.BusWide = SDMMC_BUS_WIDE_1B;
sd_handle.Init.HardwareFlowControl = SDMMC_HARDWARE_FLOW_CONTROL_DISABLE;
sd_handle.Init.ClockDiv = 0;
// init the SD interface, with retry if it's not ready yet
for (int retry = 10; HAL_SD_Init(&sd_handle) != HAL_OK; retry--) {
if (retry == 0) {
goto error;
}
HAL_Delay(50);
}
// configure the SD bus width for wide operation
if (HAL_SD_ConfigWideBusOperation(&sd_handle, SDMMC_BUS_WIDE_4B) != HAL_OK) {
HAL_SD_DeInit(&sd_handle);
goto error;
}
}
