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sdmmc: don’t print sdio_reset warning when CD is idle

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This commit is contained in:
Ivan Grokhotkov 2018-04-23 14:45:59 +08:00
parent 85ab4fc83e
commit e19901c898
1 changed files with 9 additions and 6 deletions
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15
components/sdmmc/sdmmc_cmd.c
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@ -102,14 +102,17 @@ esp_err_t sdmmc_card_init(const sdmmc_host_t* config, sdmmc_card_t* card)
/* ----------- standard initialization process starts here ---------- */
/* Reset SDIO (CMD52, RES) before re-initializing IO (CMD5).
* Non-IO cards are allowed to time out (in SD mode) or
* return "invalid command" error (in SPI mode).
*/
/* Reset SDIO (CMD52, RES) before re-initializing IO (CMD5). */
uint8_t sdio_reset = CCCR_CTL_RES;
err = sdmmc_io_rw_direct(card, 0, SD_IO_CCCR_CTL, SD_ARG_CMD52_WRITE, &sdio_reset);
if (err != ESP_OK && err != ESP_ERR_TIMEOUT
&& !(is_spi && err == ESP_ERR_NOT_SUPPORTED)) {
if (err == ESP_ERR_TIMEOUT || (is_spi && err == ESP_ERR_NOT_SUPPORTED)) {
/* Non-IO cards are allowed to time out (in SD mode) or
* return "invalid command" error (in SPI mode).
*/
} else if (err == ESP_ERR_NOT_FOUND) {
ESP_LOGD(TAG, "%s: card not present", __func__);
return err;
} else if (err != ESP_OK) {
ESP_LOGE(TAG, "%s: sdio_reset: unexpected return: 0x%x", __func__, err );
return err;
}