Collect/Core/Inc/usart.h

/**
  ******************************************************************************
  * File Name          : USART.h
  * Description        : This file provides code for the configuration
  *                      of the USART instances.
  ******************************************************************************
  * This notice applies to any and all portions of this file
  * that are not between comment pairs USER CODE BEGIN and
  * USER CODE END. Other portions of this file, whether 
  * inserted by the user or by software development tools
  * are owned by their respective copyright owners.
  *
  * Copyright (c) 2019 STMicroelectronics International N.V. 
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without 
  * modification, are permitted, provided that the following conditions are met:
  *
  * 1. Redistribution of source code must retain the above copyright notice, 
  *    this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright notice,
  *    this list of conditions and the following disclaimer in the documentation
  *    and/or other materials provided with the distribution.
  * 3. Neither the name of STMicroelectronics nor the names of other 
  *    contributors to this software may be used to endorse or promote products 
  *    derived from this software without specific written permission.
  * 4. This software, including modifications and/or derivative works of this 
  *    software, must execute solely and exclusively on microcontroller or
  *    microprocessor devices manufactured by or for STMicroelectronics.
  * 5. Redistribution and use of this software other than as permitted under 
  *    this license is void and will automatically terminate your rights under 
  *    this license. 
  *
  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" 
  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT 
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT 
  * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
  */
/* 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 BUF_SIZE 500
#define Uart1_BUF_SIZE  256
#define Uart2_BUF_SIZE  256      /*为UART2、3专门开一个DMA接收存储区 2021-4-12 by Daiyf*/
#define Uart3_BUF_SIZE  256
	 
extern uint8_t usart1_rx_flag;
extern uint8_t usart2_rx_flag;
extern uint8_t usart3_rx_flag;
extern uint8_t usart4_rx_flag;
extern uint16_t rx1_len;
extern uint16_t rx2_len;
extern uint16_t rx3_len;
extern uint16_t rx3_len;
extern uint16_t rx4_len;


extern uint8_t USART_RX_BUF[Uart1_BUF_SIZE];
extern uint8_t USART_TX_BUF[Uart1_BUF_SIZE];
extern uint8_t USART1_RX_BUF[Uart1_BUF_SIZE];
extern uint8_t USART1_TX_BUF[Uart1_BUF_SIZE];
extern uint8_t USART2_RX_BUF[Uart2_BUF_SIZE];
extern uint8_t USART2_TX_BUF[Uart2_BUF_SIZE];
extern uint8_t USART3_RX_BUF[Uart3_BUF_SIZE];
extern uint8_t USART3_TX_BUF[Uart3_BUF_SIZE];
//extern uint8_t UART4_RX_BUF[BUF_SIZE];
//extern uint8_t UART4_TX_BUF[BUF_SIZE];

extern uint16_t LIB_CRC_MODBUS(uint8_t* Buf, uint16_t srLen);

void SendChar2 (uint8_t ch);
void SendChar4 (uint8_t ch);
void UartWrite(UART_HandleTypeDef *uartHandle, uint8_t *buf , uint8_t len);
void Uart_Mode_Init(void);
/* USER CODE END Private defines */

void MX_UART4_Init(void);
void MX_USART1_UART_Init(void);
void MX_USART2_UART_Init(void);
void MX_USART3_UART_Init(void);

/* USER CODE BEGIN Prototypes */
void UsartReceive_IDLE(UART_HandleTypeDef *huart);
/* USER CODE END Prototypes */

#ifdef __cplusplus
}
#endif
#endif /*__ usart_H */

/**
  * @}
  */

/**
  * @}
  */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/