/*!
\brief handle the IAP_LEAVE request
\param[in] pudev: pointer to usb device instance
\param[out] none
\retval none
*/
static void iap_req_leave(void *pudev)
{
/* lock the internal flash */
fmc_lock();
/* generate system reset to allow jumping to the user code */
NVIC_SystemReset();
}
/* lock the main FLASH operation
*
* @return 0 for success, -1 for error
*/
static int32_t flash_lock(void)
{
fmc_lock();
if (RESET == (FMC_CTL & FMC_CTL_LK)) {
return -1;
}
return 0;
}
/*!
\brief de-initialize the HID device
\param[in] pudev: pointer to USB device instance
\param[in] config_index: configuration index
\param[out] none
\retval USB device operation status
*/
usbd_status_enum iap_deinit (void *pudev, uint8_t config_index)
{
/* deinitialize HID endpoints */
usbd_ep_deinit (pudev, IAP_IN_EP);
usbd_ep_deinit (pudev, IAP_OUT_EP);
/* lock the internal flash */
fmc_lock();
return USBD_OK;
}
