/*******************************************************************************
* Function Name : DFU_Status_Out.
* Description : DFU status OUT routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void DFU_Status_Out (void)
{
DEVICE_INFO *pInfo = &Device_Info;
uint32_t Addr;
if (pInfo->USBbRequest == DFU_GETSTATUS)
{
if (DeviceState == STATE_dfuDNBUSY)
{
if (wBlockNum == 0) /* Decode the Special Command*/
{
if ((MAL_Buffer[0] == CMD_GETCOMMANDS) && (wlength == 1))
{}
else if (( MAL_Buffer[0] == CMD_SETADDRESSPOINTER ) && (wlength == 5))
{
Pointer = MAL_Buffer[1];
Pointer += MAL_Buffer[2] << 8;
Pointer += MAL_Buffer[3] << 16;
Pointer += MAL_Buffer[4] << 24;
}
else if (( MAL_Buffer[0] == CMD_ERASE ) && (wlength == 5))
{
Pointer = MAL_Buffer[1];
Pointer += MAL_Buffer[2] << 8;
Pointer += MAL_Buffer[3] << 16;
Pointer += MAL_Buffer[4] << 24;
MAL_Erase(Pointer);
}
}
else if (wBlockNum > 1) // Download Command
{
Addr = ((wBlockNum - 2) * wTransferSize) + Pointer;
MAL_Write(Addr, wlength);
}
wlength = 0;
wBlockNum = 0;
DeviceState = STATE_dfuDNLOAD_SYNC;
DeviceStatus[4] = DeviceState;
DeviceStatus[1] = 0;
DeviceStatus[2] = 0;
DeviceStatus[3] = 0;
return;
}
else if (DeviceState == STATE_dfuMANIFEST)/* Manifestation in progress*/
{
DFU_write_crc();
return;
}
}
return;
}
/**
* @brief EP0_TxSent
* Handles the DFU control endpoint data IN stage.
* @param pdev: device instance
* @retval status
*/
static uint8_t EP0_TxSent (void *pdev)
{
uint32_t Addr;
USB_SETUP_REQ req;
if (DeviceState == STATE_dfuDNBUSY)
{
/* Decode the Special Command*/
if (wBlockNum == 0)
{
if ((MAL_Buffer[0] == CMD_GETCOMMANDS) && (wlength == 1))
{}
else if (( MAL_Buffer[0] == CMD_SETADDRESSPOINTER ) && (wlength == 5))
{
Pointer = MAL_Buffer[1];
Pointer += MAL_Buffer[2] << 8;
Pointer += MAL_Buffer[3] << 16;
Pointer += MAL_Buffer[4] << 24;
}
else if (( MAL_Buffer[0] == CMD_ERASE ) && (wlength == 5))
{
Pointer = MAL_Buffer[1];
Pointer += MAL_Buffer[2] << 8;
Pointer += MAL_Buffer[3] << 16;
Pointer += MAL_Buffer[4] << 24;
MAL_Erase(Pointer);
}
else
{
/* Reset the global length and block number */
wlength = 0;
wBlockNum = 0;
/* Call the error management function (command will be nacked) */
req.bmRequest = 0;
req.wLength = 1;
USBD_CtlError (pdev, &req);
}
}
/* Regular Download Command */
else if (wBlockNum > 1)
{
/* Decode the required address */
Addr = ((wBlockNum - 2) * XFERSIZE) + Pointer;
/* Preform the write operation */
MAL_Write(Addr, wlength);
}
/* Reset the global lenght and block number */
wlength = 0;
wBlockNum = 0;
/* Update the state machine */
DeviceState = STATE_dfuDNLOAD_SYNC;
DeviceStatus[4] = DeviceState;
DeviceStatus[1] = 0;
DeviceStatus[2] = 0;
DeviceStatus[3] = 0;
return USBD_OK;
}
else if (DeviceState == STATE_dfuMANIFEST)/* Manifestation in progress*/
{
/* Start leaving DFU mode */
DFU_LeaveDFUMode(pdev);
}
return USBD_OK;
}
