1.0 worked version

Core/Src/stm32l4xx_it.c

@@ -57,6 +57,7 @@
 /* External variables --------------------------------------------------------*/
 extern SPI_HandleTypeDef hspi1;
 extern DMA_HandleTypeDef hdma_usart1_tx;
+extern UART_HandleTypeDef huart1;
 /* USER CODE BEGIN EV */
 
 /* USER CODE END EV */
@@ -227,6 +228,20 @@ void SPI1_IRQHandler(void)
   /* USER CODE END SPI1_IRQn 1 */
 }
 
+/**
+  * @brief This function handles USART1 global interrupt.
+  */
+void USART1_IRQHandler(void)
+{
+  /* USER CODE BEGIN USART1_IRQn 0 */
+
+  /* USER CODE END USART1_IRQn 0 */
+  HAL_UART_IRQHandler(&huart1);
+  /* USER CODE BEGIN USART1_IRQn 1 */
+
+  /* USER CODE END USART1_IRQn 1 */
+}
+
 /* USER CODE BEGIN 1 */
 
 /* USER CODE END 1 */