/**
  * @brief  DFU_LeaveDFUMode
  *         Handles the sub-protocol DFU leave DFU mode request (leaves DFU mode
  *         and resets device to jump to user loaded code).
  * @param  pdev: device instance
  * @retval None
  */
void DFU_LeaveDFUMode(void *pdev)
{
 Manifest_State = Manifest_complete;

  if ((usbd_dfu_CfgDesc[(11 + (9 * USBD_ITF_MAX_NUM))]) & 0x04)
  {
    DeviceState = STATE_dfuMANIFEST_SYNC;
    DeviceStatus[4] = DeviceState;
    DeviceStatus[1] = 0;
    DeviceStatus[2] = 0;
    DeviceStatus[3] = 0;
    return;
  }
  else
  {
    DeviceState = STATE_dfuMANIFEST_WAIT_RESET;
    DeviceStatus[4] = DeviceState;
    DeviceStatus[1] = 0;
    DeviceStatus[2] = 0;
    DeviceStatus[3] = 0;

    /* Disconnect the USB device */
    DCD_DevDisconnect (pdev);

    /* DeInitilialize the MAL(Media Access Layer) */
    MAL_DeInit();
    
    /* Generate system reset to allow jumping to the user code */
    NVIC_SystemReset();
   
    /* This instruction will not be reached (system reset) */
    return;
  }  
}
Exemplo n.º 2
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void DFU_Check_Reset()
{
    if (DFU_Reset_Count && !--DFU_Reset_Count) {

        /* DeInitilialize the MAL(Media Access Layer) */
        MAL_DeInit();

        /* Set system flags and generate system reset to allow jumping to the user code */
        Finish_Update();
    }
}
Exemplo n.º 3
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/**
  * @brief  usbd_dfu_Init
  *         De-initializes the DFU layer.
  * @param  pdev: device instance
  * @param  cfgidx: Configuration index
  * @retval status
  */
static uint8_t  usbd_dfu_DeInit (void  *pdev,
                                 uint8_t cfgidx)
{
  /* Restore default state */
  DeviceState = STATE_dfuIDLE;
  DeviceStatus[4] = DeviceState;
  wBlockNum = 0;
  wlength = 0;

  /* DeInitilialize the MAL(Media Access Layer) */
  MAL_DeInit();

  return USBD_OK;
}