adding msc Start Stop to buitin command, but not complate yet
add tud_msc_start_stop_cb() as optional callback
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@@ -152,6 +152,26 @@ void tud_msc_capacity_cb(uint8_t lun, uint32_t* block_count, uint16_t* block_siz
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*block_size = DISK_BLOCK_SIZE;
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}
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// Invoked when received Start Stop Unit command
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// - Start = 0 : stopped power mode, if load_eject = 1 : unload disk storage
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// - Start = 1 : active mode, if load_eject = 1 : load disk storage
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void tud_msc_start_stop_cb(uint8_t lun, uint8_t power_condition, bool start, bool load_eject)
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{
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(void) lun;
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(void) power_condition;
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if ( load_eject )
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{
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if (start)
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{
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// load disk storage
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}else
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{
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// unload disk storage
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}
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}
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}
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// Callback invoked when received READ10 command.
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// Copy disk's data to buffer (up to bufsize) and return number of copied bytes.
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int32_t tud_msc_read10_cb(uint8_t lun, uint32_t lba, uint32_t offset, void* buffer, uint32_t bufsize)
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@@ -200,18 +220,6 @@ int32_t tud_msc_scsi_cb (uint8_t lun, uint8_t const scsi_cmd[16], void* buffer,
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resplen = 0;
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break;
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case SCSI_CMD_START_STOP_UNIT:
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// Host try to eject/safe remove/poweroff us. We could safely disconnect with disk storage, or go into lower power
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/* scsi_start_stop_unit_t const * start_stop = (scsi_start_stop_unit_t const *) scsi_cmd;
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// Start bit = 0 : low power mode, if load_eject = 1 : unmount disk storage as well
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// Start bit = 1 : Ready mode, if load_eject = 1 : mount disk storage
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start_stop->start;
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start_stop->load_eject;
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*/
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resplen = 0;
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break;
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default:
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// Set Sense = Invalid Command Operation
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tud_msc_set_sense(lun, SCSI_SENSE_ILLEGAL_REQUEST, 0x20, 0x00);
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