68 static esp_err_t start_command_read_blocks(slot_info_t *slot, sdspi_hw_cmd_t *cmd,
71 static esp_err_t start_command_write_blocks(slot_info_t *slot, sdspi_hw_cmd_t *cmd,
74 static esp_err_t start_command_default(slot_info_t *slot, int flags, sdspi_hw_cmd_t *cmd);
76 static esp_err_t shift_cmd_response(sdspi_hw_cmd_t *cmd, int sent_bytes);
445 esp_err_t sdspi_host_start_command(sdspi_dev_handle_t handle, sdspi_hw_cmd_t *cmd, void *data,  in sdspi_host_start_command()  argument
455     // save some parts of cmd, as its contents will be overwritten  in sdspi_host_start_command()
456     int cmd_index = cmd->cmd_index;  in sdspi_host_start_command()
458     memcpy(&cmd_arg, cmd->arguments, sizeof(cmd_arg));  in sdspi_host_start_command()
460 …ESP_LOGV(TAG, "%s: slot=%i, CMD%d, arg=0x%08"PRIx32" flags=0x%x, data=%p, data_size=%"PRIu32" crc=…  in sdspi_host_start_command()
461              __func__, handle, cmd_index, cmd_arg, flags, data, data_size, cmd->crc7);  in sdspi_host_start_command()
480 …      ret = start_command_write_blocks(slot, cmd, data, data_size, multi_block, stop_transmission);  in sdspi_host_start_command()
482             ret = start_command_read_blocks(slot, cmd, data, data_size, stop_transmission);  in sdspi_host_start_command()
485         ret = start_command_default(slot, flags, cmd);  in sdspi_host_start_command()
493         ESP_LOGD(TAG, "%s: cmd=%d error=0x%x", __func__, cmd_index, ret);  in sdspi_host_start_command()
504 static esp_err_t start_command_default(slot_info_t *slot, int flags, sdspi_hw_cmd_t *cmd)  in start_command_default()  argument
527         .tx_buffer = cmd,  in start_command_default()
528         .rx_buffer = cmd,  in start_command_default()
531     if (cmd->cmd_index == MMC_STOP_TRANSMISSION) {  in start_command_default()
533         cmd->r1 = 0xff;  in start_command_default()
542         cmd->r1 = 0x00;  in start_command_default()
546     ret = shift_cmd_response(cmd, cmd_size);  in start_command_default()
550         ret = poll_busy(slot, cmd->timeout_ms, no_use_polling);  in start_command_default()
638 static esp_err_t shift_cmd_response(sdspi_hw_cmd_t* cmd, int sent_bytes)  in shift_cmd_response()  argument
640     uint8_t* pr1 = &cmd->r1;  in shift_cmd_response()
650         memcpy(&cmd->r1, pr1, copy_bytes);  in shift_cmd_response()
698 static esp_err_t start_command_read_blocks(slot_info_t *slot, sdspi_hw_cmd_t *cmd,  in start_command_read_blocks()  argument
703         .tx_buffer = cmd,  in start_command_read_blocks()
704         .rx_buffer = cmd,  in start_command_read_blocks()
711     uint8_t* cmd_u8 = (uint8_t*) cmd;  in start_command_read_blocks()
716      * This loop searches for the response and writes it to cmd->r1.  in start_command_read_blocks()
718     while ((cmd->r1 & SD_SPI_R1_NO_RESPONSE) != 0 && pre_scan_data_size > 0) {  in start_command_read_blocks()
719         cmd->r1 = *pre_scan_data_ptr;  in start_command_read_blocks()
723     if (cmd->r1 & SD_SPI_R1_NO_RESPONSE) {  in start_command_read_blocks()
744 …        ret = poll_data_token(slot, cmd_u8 + SDSPI_CMD_R1_SIZE, &extra_data_size, cmd->timeout_ms);  in start_command_read_blocks()
810         make_hw_cmd(MMC_STOP_TRANSMISSION, 0, cmd->timeout_ms, &stop_cmd);  in start_command_read_blocks()
818         ret = poll_busy(slot, cmd->timeout_ms, use_polling);  in start_command_read_blocks()
831 static esp_err_t start_command_write_blocks(slot_info_t *slot, sdspi_hw_cmd_t *cmd,  in start_command_write_blocks()  argument
844         .tx_buffer = cmd,  in start_command_write_blocks()
845         .rx_buffer = cmd,  in start_command_write_blocks()
853     ret = shift_cmd_response(cmd, send_bytes);  in start_command_write_blocks()
927         ret = poll_busy(slot, cmd->timeout_ms, no_use_polling);  in start_command_write_blocks()
950         ret = poll_busy(slot, cmd->timeout_ms, use_polling);  in start_command_write_blocks()