/**
  * @brief  Closes an endpoint of the Low Level Driver.
  * @param  pdev: Device handle
  * @param  ep_addr: Endpoint Number
  * @retval USBD Status
  */
USBD_StatusTypeDef  USBD_LL_CloseEP (USBD_HandleTypeDef *pdev, uint8_t ep_addr)   
{
  HAL_StatusTypeDef hal_status = HAL_OK;
  USBD_StatusTypeDef usb_status = USBD_OK;
  
  hal_status = HAL_PCD_EP_Close(pdev->pData, ep_addr);
      
  switch (hal_status) {
    case HAL_OK :
      usb_status = USBD_OK;
    break;
    case HAL_ERROR :
      usb_status = USBD_FAIL;
    break;
    case HAL_BUSY :
      usb_status = USBD_BUSY;
    break;
    case HAL_TIMEOUT :
      usb_status = USBD_FAIL;
    break;
    default :
      usb_status = USBD_FAIL;
    break;
  }
  return usb_status;  
}

void HAL_PCD_ResetCallback(PCD_HandleTypeDef *hpcd)
{
    USBHAL_Private_t *priv=((USBHAL_Private_t *)(hpcd->pData));
    USBHAL *obj= priv->inst;
    unsigned int i;
    for(i=0;i<hpcd->Init.dev_endpoints;i++) {
        priv->epComplete[2*i]=0;
        HAL_PCD_EP_Close(hpcd,EP_ADDR(2*i));
        HAL_PCD_EP_Flush(hpcd,EP_ADDR(2*i));
        priv->epComplete[2*i+1]=0;
        HAL_PCD_EP_Close(hpcd,EP_ADDR(2*i+1));
        HAL_PCD_EP_Flush(hpcd,EP_ADDR(2*i+1));

    }
    void (USBHAL::*func)(void)=priv->bus_reset;
    bool (USBHAL::*ep_realise)(uint8_t endpoint, uint32_t maxPacket, uint32_t flags) = priv->ep_realise;
    (obj->*func)();
    (obj->*ep_realise)(EP0IN, MAX_PACKET_SIZE_EP0,0);
    (obj->*ep_realise)(EP0OUT, MAX_PACKET_SIZE_EP0,0);
}

int usb_dc_ep_disable(const u8_t ep)
{
	struct usb_dc_stm32_ep_state *ep_state = usb_dc_stm32_get_ep_state(ep);
	HAL_StatusTypeDef status;

	LOG_DBG("ep 0x%02x", ep);

	if (!ep_state) {
		return -EINVAL;
	}

	status = HAL_PCD_EP_Close(&usb_dc_stm32_state.pcd, ep);
	if (status != HAL_OK) {
		LOG_ERR("HAL_PCD_EP_Close failed(0x%02x), %d", ep,
			(int)status);
		return -EIO;
	}

	return 0;
}

/**
  * @brief  Closes an endpoint of the Low Level Driver.
  * @param  pdev: Device handle
  * @param  ep_addr: Endpoint Number
  * @retval USBD Status
  */
USBD_StatusTypeDef USBD_LL_CloseEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
{
  HAL_PCD_EP_Close(pdev->pData, ep_addr);
  return USBD_OK;
}