// Process a SCSI command
// input:
// pdev - pointer to the USB device handle
// lun - logical unit number
// params - pointer to the buffer with command parameters
int8_t SCSI_ProcessCmd(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) {
switch (params[0]) {
case SCSI_TEST_UNIT_READY:
return SCSI_TestUnitReady(pdev,lun,params);
case SCSI_REQUEST_SENSE:
return SCSI_RequestSense(pdev,lun,params);
case SCSI_INQUIRY:
return SCSI_Inquiry(pdev,lun,params);
case SCSI_START_STOP_UNIT:
return SCSI_StartStopUnit(pdev,lun,params);
case SCSI_ALLOW_MEDIUM_REMOVAL:
return SCSI_StartStopUnit(pdev,lun,params);
case SCSI_MODE_SENSE6:
return SCSI_ModeSense6(pdev,lun,params);
case SCSI_MODE_SENSE10:
return SCSI_ModeSense10(pdev,lun,params);
case SCSI_READ_FORMAT_CAPACITIES:
return SCSI_ReadFormatCapacity(pdev,lun,params);
case SCSI_READ_CAPACITY10:
return SCSI_ReadCapacity10(pdev,lun,params);
case SCSI_READ10:
return SCSI_Read10(pdev,lun,params);
case SCSI_WRITE10:
return SCSI_Write10(pdev,lun,params);
case SCSI_VERIFY10:
return SCSI_Verify10(pdev,lun,params);
default:
SCSI_SenseCode(pdev,lun,ILLEGAL_REQUEST,INVALID_CDB);
return -1;
}
}
/**
* @brief SCSI_ProcessCmd
* Process SCSI commands
* @param pdev: device instance
* @param lun: Logical unit number
* @param params: Command parameters
* @retval status
*/
int8_t SCSI_ProcessCmd(USBD_HandleTypeDef *pdev,
uint8_t lun,
uint8_t *params)
{
/*
if (params[0] != SCSI_READ10 && params[0] != SCSI_WRITE10) {
printf("SCSI_ProcessCmd(lun=%d, params=%x, %x)\n", lun, params[0], params[1]);
}
*/
switch (params[0])
{
case SCSI_TEST_UNIT_READY:
return SCSI_TestUnitReady(pdev, lun, params);
case SCSI_REQUEST_SENSE:
return SCSI_RequestSense (pdev, lun, params);
case SCSI_INQUIRY:
return SCSI_Inquiry(pdev, lun, params);
case SCSI_START_STOP_UNIT:
return SCSI_StartStopUnit(pdev, lun, params);
case SCSI_ALLOW_MEDIUM_REMOVAL:
return SCSI_AllowMediumRemoval(pdev, lun, params);
case SCSI_MODE_SENSE6:
return SCSI_ModeSense6 (pdev, lun, params);
case SCSI_MODE_SENSE10:
return SCSI_ModeSense10 (pdev, lun, params);
case SCSI_SYNCHRONIZE_CACHE10:
case SCSI_SYNCHRONIZE_CACHE16:
return SCSI_SynchronizeCache(pdev, lun, params);
case SCSI_READ_FORMAT_CAPACITIES:
return SCSI_ReadFormatCapacity(pdev, lun, params);
case SCSI_READ_CAPACITY10:
return SCSI_ReadCapacity10(pdev, lun, params);
case SCSI_READ10:
return SCSI_Read10(pdev, lun, params);
case SCSI_WRITE10:
return SCSI_Write10(pdev, lun, params);
case SCSI_VERIFY10:
return SCSI_Verify10(pdev, lun, params);
default:
SCSI_SenseCode(pdev,
lun,
ILLEGAL_REQUEST,
INVALID_CDB);
return -1;
}
}