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fix(sdmmc): Improve SD card state checking after write/read command

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This commit is contained in:
Adam Múdry 2024-10-15 22:28:26 +02:00 committed by BOT
parent 5c627d9d18
commit a44a659b0f
3 changed files with 11 additions and 5 deletions
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3
components/driver/sdmmc/include/driver/sdmmc_defs.h
View File

@ -109,6 +109,7 @@ extern "C" {
#define MMC_R1_CURRENT_STATE_POS (9)
#define MMC_R1_CURRENT_STATE_MASK (0x1E00)/* card current state */
#define MMC_R1_CURRENT_STATE_TRAN (4)
#define MMC_R1_CURRENT_STATE_STATUS(status) ((status & MMC_R1_CURRENT_STATE_MASK) >> MMC_R1_CURRENT_STATE_POS)
/* SPI mode R1 response type bits */
#define SD_SPI_R1_IDLE_STATE (1<<0)
@ -425,7 +426,7 @@ extern "C" {
*
* 67 45 23 01 ef cd ab 89
*
* MMC_RSP_BITS will extact bits as follows:
* MMC_RSP_BITS will extract bits as follows:
*
* start=0 len=4 -> result=0x00000007
* start=0 len=12 -> result=0x00000567

9
components/sdmmc/sdmmc_cmd.c
View File

@ -445,6 +445,11 @@ esp_err_t sdmmc_write_sectors(sdmmc_card_t* card, const void* src,
return err;
}
static bool mmc_ready_for_data(uint32_t status)
{
return (status & MMC_R1_READY_FOR_DATA) && (MMC_R1_CURRENT_STATE_STATUS(status) == MMC_R1_CURRENT_STATE_TRAN);
}
esp_err_t sdmmc_write_sectors_dma(sdmmc_card_t* card, const void* src,
size_t start_block, size_t block_count, size_t buffer_len)
{
@ -481,7 +486,7 @@ esp_err_t sdmmc_write_sectors_dma(sdmmc_card_t* card, const void* src,
int64_t t0 = esp_timer_get_time();
int64_t t1 = 0;
/* SD mode: wait for the card to become idle based on R1 status */
while (!host_is_spi(card) && !(status & MMC_R1_READY_FOR_DATA)) {
while (!host_is_spi(card) && !mmc_ready_for_data(status)) {
t1 = esp_timer_get_time();
if (t1 - t0 > SDMMC_READY_FOR_DATA_TIMEOUT_US) {
ESP_LOGE(TAG, "write sectors dma - timeout");
@ -597,7 +602,7 @@ esp_err_t sdmmc_read_sectors_dma(sdmmc_card_t* card, void* dst,
int64_t t0 = esp_timer_get_time();
int64_t t1 = 0;
/* SD mode: wait for the card to become idle based on R1 status */
while (!host_is_spi(card) && !(status & MMC_R1_READY_FOR_DATA)) {
while (!host_is_spi(card) && !mmc_ready_for_data(status)) {
t1 = esp_timer_get_time();
if (t1 - t0 > SDMMC_READY_FOR_DATA_TIMEOUT_US) {
ESP_LOGE(TAG, "read sectors dma - timeout");

4
components/sdmmc/sdmmc_mmc.c
View File

@ -268,8 +268,8 @@ esp_err_t sdmmc_init_mmc_check_ext_csd(sdmmc_card_t* card)
ESP_LOGE(TAG, "%s: send_status returned 0x%x", __func__, err);
goto out;
}
status = ((status & MMC_R1_CURRENT_STATE_MASK) >> MMC_R1_CURRENT_STATE_POS);
if (status != MMC_R1_CURRENT_STATE_TRAN) {
if (MMC_R1_CURRENT_STATE_STATUS(status) != MMC_R1_CURRENT_STATE_TRAN) {
ESP_LOGE(TAG, "%s: card not in transfer state", __func__);
err = ESP_ERR_INVALID_STATE;
goto out;