1 files changed, 40 insertions, 0 deletions
diff --git a/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_ll_usb.c b/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_ll_usb.c
index 1230036..9d34ff9 100644
--- a/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_ll_usb.c
+++ b/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_ll_usb.c
@@ -1895,6 +1895,46 @@ HAL_StatusTypeDef USB_DevInit(USB_TypeDef *USBx, USB_CfgTypeDef cfg)
 }
 
 /**
+  * @brief  USB_FlushTxFifo : Flush a Tx FIFO
+  * @param  USBx : Selected device
+  * @param  num : FIFO number
+  *         This parameter can be a value from 1 to 15
+            15 means Flush all Tx FIFOs
+  * @retval HAL status
+  */
+HAL_StatusTypeDef USB_FlushTxFifo(USB_TypeDef *USBx, uint32_t num)
+{
+  /* Prevent unused argument(s) compilation warning */
+  UNUSED(USBx);
+  UNUSED(num);
+
+  /* NOTE : - This function is not required by USB Device FS peripheral, it is used
+              only by USB OTG FS peripheral.
+            - This function is added to ensure compatibility across platforms.
+   */
+
+  return HAL_OK;
+}
+
+/**
+  * @brief  USB_FlushRxFifo : Flush Rx FIFO
+  * @param  USBx : Selected device
+  * @retval HAL status
+  */
+HAL_StatusTypeDef USB_FlushRxFifo(USB_TypeDef *USBx)
+{
+  /* Prevent unused argument(s) compilation warning */
+  UNUSED(USBx);
+
+  /* NOTE : - This function is not required by USB Device FS peripheral, it is used
+              only by USB OTG FS peripheral.
+            - This function is added to ensure compatibility across platforms.
+   */
+
+  return HAL_OK;
+}
+
+/**
   * @brief  Activate and configure an endpoint
   * @param  USBx Selected device
   * @param  ep pointer to endpoint structure