/* 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 huart1; extern UART_HandleTypeDef huart3; /* USER CODE BEGIN Private defines */ #define BaudRate_4800 (0x01) #define BaudRate_9600 (0x02) #define BaudRate_19200 (0x03) #define BaudRate_38400 (0x04) #define BaudRate_57600 (0x05) #define BaudRate_115200 (0x06) #define BaudRate_230400 (0x07) #define UART_BaudRate 9600 #define UART_TRANSMIT_DATA_POOL_COUNT (128) #define UART_RECV_DATA_POOL_COUNT (320) typedef struct { uint16_t recv_len; uint16_t send_len; uint8_t* recv_buffer; uint8_t* send_buffer; uint8_t dmasend_count; //ms count uint8_t res; }UART_INFO; extern UART_INFO rs485_info; void rs485_TransmitData(uint8_t *pdata, uint16_t length); void rs485_ReceiveData(void); /* USER CODE END Private defines */ void MX_USART1_UART_Init(void); void MX_USART3_UART_Init(void); /* USER CODE BEGIN Prototypes */ /* USER CODE END Prototypes */ #ifdef __cplusplus } #endif #endif /* __USART_H__ */