/**
* @brief DFU_Req_DETACH
* Handles the DFU DETACH request.
* @param pdev: device instance
* @param req: pointer to the request structure.
* @retval None.
*/
static void DFU_Req_DETACH(void *pdev, USB_SETUP_REQ *req)
{
if (DeviceState == STATE_dfuIDLE || DeviceState == STATE_dfuDNLOAD_SYNC
|| DeviceState == STATE_dfuDNLOAD_IDLE || DeviceState == STATE_dfuMANIFEST_SYNC
|| DeviceState == STATE_dfuUPLOAD_IDLE )
{
/* Update the state machine */
DeviceState = STATE_dfuIDLE;
DeviceStatus[0] = STATUS_OK;
DeviceStatus[1] = 0;
DeviceStatus[2] = 0;
DeviceStatus[3] = 0; /*bwPollTimeout=0ms*/
DeviceStatus[4] = DeviceState;
DeviceStatus[5] = 0; /*iString*/
wBlockNum = 0;
wlength = 0;
}
/* Check the detach capability in the DFU functional descriptor */
if ((usbd_dfu_CfgDesc[12 + (9 * USBD_ITF_MAX_NUM)]) & DFU_DETACH_MASK)
{
/* Perform an Attach-Detach operation on USB bus */
DCD_DevDisconnect (pdev);
DCD_DevConnect (pdev);
}
else
{
/* Wait for the period of time specified in Detach request */
USB_BSP_mDelay (req->wValue);
}
}
/**
* @brief Delay
* This function provides delay time in milli sec
* @param msec : Value of delay required in milli sec
* @retval None
*/
static void Delay (uint32_t msec)
{
USB_BSP_mDelay(msec);
}
