alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-08-24 01:25:36 +00:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

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");