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- /* USER CODE BEGIN Header */
- /**
- ******************************************************************************
- * @file usart.h
- * @brief This file contains all the function prototypes for
- * the usart.c file
- ******************************************************************************
- * @attention
- *
- * Copyright (c) 2024 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 huart1;
- extern UART_HandleTypeDef huart2;
- extern UART_HandleTypeDef huart3;
- /* USER CODE BEGIN Private defines */
- #define USART3_REC_LEN (1024) /* 定义最大接收字节数 200 */
- /* USER CODE END Private defines */
- void MX_USART1_UART_Init(void);
- void MX_USART2_UART_Init(void);
- void MX_USART3_UART_Init(void);
- /* USER CODE BEGIN Prototypes */
- extern char g_usart3_rx_buf[USART3_REC_LEN]; /* 接收缓冲,最大USART_REC_LEN个字节.末字节为换行符 */
- extern char g_usart3_rx_sta; // 接收完成标志 0x33:接收完成
- extern uint8_t g_usart3_rx_len;
- extern DMA_HandleTypeDef hdma_usart3_tx;
- extern DMA_HandleTypeDef hdma_usart3_rx;
- /* USER CODE END Prototypes */
- #ifdef __cplusplus
- }
- #endif
- #endif /* __USART_H__ */
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