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sdmmc: check for errors reported by card in sdmmc_write_sectors_dma

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During write operation (CMD24 or CMD25), the card can report some of
the errors in the 1-byte response tokens. Other types of errors are
not reported, the host has to get them by issuing CMD13.
This commit adds CMD13 request at the end of write operations and
reports error to the user if the card status isn't zero.
This commit is contained in:
Ivan Grokhotkov
2022-04-10 21:23:57 +02:00
parent c4c7e7c82b
commit bb11f49c74
1 changed files with 22 additions and 0 deletions
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22
components/sdmmc/sdmmc_cmd.c
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@@ -418,6 +418,7 @@ esp_err_t sdmmc_write_sectors_dma(sdmmc_card_t* card, const void* src,
}
uint32_t status = 0;
size_t count = 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)) {
// TODO: add some timeout here
err = sdmmc_send_cmd_send_status(card, &status);
@@ -428,6 +429,27 @@ esp_err_t sdmmc_write_sectors_dma(sdmmc_card_t* card, const void* src,
ESP_LOGV(TAG, "waiting for card to become ready (%d)", count);
}
}
/* SPI mode: although card busy indication is based on the busy token,
* SD spec recommends that the host checks the results of programming by sending
* SEND_STATUS command. Some of the conditions reported in SEND_STATUS are not
* reported via a data error token.
*/
if (host_is_spi(card)) {
err = sdmmc_send_cmd_send_status(card, &status);
if (err != ESP_OK) {
return err;
}
if (status & SD_SPI_R2_CARD_LOCKED) {
ESP_LOGE(TAG, "%s: write failed, card is locked: r2=0x%04x",
__func__, status);
return ESP_ERR_INVALID_STATE;
}
if (status != 0) {
ESP_LOGE(TAG, "%s: card status indicates an error after write operation: r2=0x%04x",
__func__, status);
return ESP_ERR_INVALID_RESPONSE;
}
}
return ESP_OK;
}