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Core/Src/stm32h7xx_it.c

@@ -56,6 +56,7 @@
 
 /* External variables --------------------------------------------------------*/
 extern UART_HandleTypeDef huart1;
+extern UART_HandleTypeDef huart3;
 /* USER CODE BEGIN EV */
 
 /* USER CODE END EV */
@@ -212,6 +213,20 @@ void USART1_IRQHandler(void)
   /* USER CODE END USART1_IRQn 1 */
 }
 
+/**
+  * @brief This function handles USART3 global interrupt.
+  */
+void USART3_IRQHandler(void)
+{
+  /* USER CODE BEGIN USART3_IRQn 0 */
+
+  /* USER CODE END USART3_IRQn 0 */
+  HAL_UART_IRQHandler(&huart3);
+  /* USER CODE BEGIN USART3_IRQn 1 */
+
+  /* USER CODE END USART3_IRQn 1 */
+}
+
 /* USER CODE BEGIN 1 */
 
 /* USER CODE END 1 */