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sdmmc: do expect CMD_DONE interrupt after response timeout

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Existing code assumed that response timeout is not followed by CMD_DONE,
which was not true, in fact. Host datasheet states that CMD_DONE is sent
after an RTO.
This commit is contained in:
Ivan Grokhotkov 2017-08-18 00:28:56 +08:00
parent 01cd2fce73
commit 20a8c3318a
1 changed files with 1 additions and 9 deletions
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10
components/driver/sdmmc_transaction.c
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@ -357,15 +357,7 @@ static esp_err_t process_events(sdmmc_event_t evt, sdmmc_command_t* cmd, sdmmc_r
case SDMMC_SENDING_CMD:
if (mask_check_and_clear(&evt.sdmmc_status, SDMMC_CMD_ERR_MASK)) {
process_command_response(orig_evt.sdmmc_status, cmd);
if (cmd->error != ESP_ERR_TIMEOUT) {
// Unless this is a timeout error, we need to wait for the
// CMD_DONE interrupt
break;
}
}
if (!mask_check_and_clear(&evt.sdmmc_status, SDMMC_INTMASK_CMD_DONE) &&
cmd->error != ESP_ERR_TIMEOUT) {
break;
break; // Need to wait for the CMD_DONE interrupt
}
process_command_response(orig_evt.sdmmc_status, cmd);
if (cmd->error != ESP_OK || cmd->data == NULL) {