не значимые изменения

Core/Inc/stm32f1xx_hal_conf.h

@@ -65,7 +65,7 @@
 /*#define HAL_SPI_MODULE_ENABLED   */
 /*#define HAL_SRAM_MODULE_ENABLED   */
 #define HAL_TIM_MODULE_ENABLED
-/*#define HAL_UART_MODULE_ENABLED   */
+#define HAL_UART_MODULE_ENABLED
 /*#define HAL_USART_MODULE_ENABLED   */
 /*#define HAL_WWDG_MODULE_ENABLED   */
 

Core/Inc/stm32f1xx_it.h

@@ -59,6 +59,7 @@ void USB_HP_CAN1_TX_IRQHandler(void);
 void USB_LP_CAN1_RX0_IRQHandler(void);
 void TIM4_IRQHandler(void);
 void TIM8_UP_IRQHandler(void);
+void UART4_IRQHandler(void);
 /* USER CODE BEGIN EFP */
 
 /* USER CODE END EFP */

Core/Inc/usart.h

@@ -0,0 +1,52 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file    usart.h
+  * @brief   This file contains all the function prototypes for
+  *          the usart.c file
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2025 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USART_H__
+#define __USART_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+extern UART_HandleTypeDef huart4;
+
+/* USER CODE BEGIN Private defines */
+
+/* USER CODE END Private defines */
+
+void MX_UART4_Init(void);
+
+/* USER CODE BEGIN Prototypes */
+
+/* USER CODE END Prototypes */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __USART_H__ */
+