/* 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;

extern UART_HandleTypeDef huart5;

extern UART_HandleTypeDef huart2;

extern UART_HandleTypeDef huart3;

extern UART_HandleTypeDef huart6;

/* USER CODE BEGIN Private defines */

    // #define BUFFER_SIZE 100
    // extern volatile uint8_t rx_len;        // 接收�?帧数据的长度
    // extern volatile uint8_t recv_end_flag; // �?帧数据接收完成标�?
    // extern uint8_t rx_buffer[BUFFER_SIZE];         // 接收数据缓存数组

/* USER CODE END Private defines */

void MX_UART4_Init(void);
void MX_UART5_Init(void);
void MX_USART2_UART_Init(void);
void MX_USART3_UART_Init(void);
void MX_USART6_UART_Init(void);

/* USER CODE BEGIN Prototypes */
    void dma_usart_send(UART_HandleTypeDef *huart, uint8_t *buf, uint8_t len); // 串口发�?�封�?
/* USER CODE END Prototypes */

#ifdef __cplusplus
}
#endif

#endif /* __USART_H__ */