/**
* @brief USBH_MSC_SCSI_Inquiry
* Issue Inquiry command.
* @param phost: Host handle
* @param lun: Logical Unit Number
* @param capacity: pointer to the inquiry structure
* @retval USBH Status
*/
USBH_StatusTypeDef USBH_MSC_SCSI_Inquiry (USBH_HandleTypeDef *phost,
uint8_t lun,
SCSI_StdInquiryDataTypeDef *inquiry)
{
USBH_StatusTypeDef error = USBH_FAIL ;
MSC_HandleTypeDef *MSC_Handle = (MSC_HandleTypeDef *) phost->pActiveClass->pData;
switch(MSC_Handle->hbot.cmd_state)
{
case BOT_CMD_SEND:
/*Prepare the CBW and relevent field*/
MSC_Handle->hbot.cbw.field.DataTransferLength = DATA_LEN_INQUIRY;
MSC_Handle->hbot.cbw.field.Flags = USB_EP_DIR_IN;
MSC_Handle->hbot.cbw.field.CBLength = CBW_LENGTH;
USBH_memset(MSC_Handle->hbot.cbw.field.CB, 0, CBW_LENGTH);
MSC_Handle->hbot.cbw.field.CB[0] = OPCODE_INQUIRY;
MSC_Handle->hbot.cbw.field.CB[1] = (lun << 5);
MSC_Handle->hbot.cbw.field.CB[2] = 0;
MSC_Handle->hbot.cbw.field.CB[3] = 0;
MSC_Handle->hbot.cbw.field.CB[4] = 0x24;
MSC_Handle->hbot.cbw.field.CB[5] = 0;
MSC_Handle->hbot.state = BOT_SEND_CBW;
MSC_Handle->hbot.cmd_state = BOT_CMD_WAIT;
MSC_Handle->hbot.pbuf = (uint8_t *)MSC_Handle->hbot.data;
error = USBH_BUSY;
break;
case BOT_CMD_WAIT:
error = USBH_MSC_BOT_Process(phost, lun);
if(error == USBH_OK)
{
USBH_memset(inquiry, 0, sizeof(SCSI_StdInquiryDataTypeDef));
/*assign Inquiry Data */
inquiry->DeviceType = MSC_Handle->hbot.pbuf[0] & 0x1F;
inquiry->PeripheralQualifier = MSC_Handle->hbot.pbuf[0] >> 5;
inquiry->RemovableMedia = (MSC_Handle->hbot.pbuf[1] & 0x80)== 0x80;
USBH_memcpy (inquiry->vendor_id, &MSC_Handle->hbot.pbuf[8], 8);
USBH_memcpy (inquiry->product_id, &MSC_Handle->hbot.pbuf[16], 16);
USBH_memcpy (inquiry->revision_id, &MSC_Handle->hbot.pbuf[32], 4);
}
break;
default:
break;
}
/**
* @brief USBH_MSC_GetLUNInfo
* The function return a LUN information
* @param phost: Host handle
* @param lun: logical Unit Number
* @retval USBH Status
*/
USBH_StatusTypeDef USBH_MSC_GetLUNInfo(USBH_HandleTypeDef *phost, uint8_t lun, MSC_LUNTypeDef *info)
{
MSC_HandleTypeDef *MSC_Handle = (MSC_HandleTypeDef *) phost->pActiveClass->pData;
if(phost->gState == HOST_CLASS)
{
USBH_memcpy(info,&MSC_Handle->unit[lun], sizeof(MSC_LUNTypeDef));
return USBH_OK;
}
else
{
return USBH_FAIL;
}
}
