/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file    can.h
  * @brief   This file contains all the function prototypes for
  *          the can.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 __CAN_H__
#define __CAN_H__

#ifdef __cplusplus
extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "main.h"

/* USER CODE BEGIN Includes */

/* USER CODE END Includes */

extern CAN_HandleTypeDef hcan1;

extern CAN_HandleTypeDef hcan2;

/* USER CODE BEGIN Private defines */
enum CANBAUD
{
    CAN250kBaud = 1, /* 250 kBit/sec */
    CAN500kBaud = 2, /* 500 kBit/sec */
    CAN1MBaud   = 3,/* 1 MBit/sec   */
};

//定义CAN 标志位
#define CAN_EFF_FLAG     0x80000000  //扩展帧标志位
#define CAN_SFF_MASK     0x000007FF  // 掩码
#define CAN_EFF_MASK     0x1FFFFFFF

typedef struct
{
    CAN_RxHeaderTypeDef RXHeader;
    uint8_t DATA[8];
}CAN_RXBuffer;
typedef struct
{
    CAN_TxHeaderTypeDef TXHeader;
    uint8_t DATA[8];
}CAN_TXBuffer;

/* USER CODE END Private defines */

void MX_CAN1_Init(void);
void MX_CAN2_Init(void);

/* USER CODE BEGIN Prototypes */
void CAN_ConfigFilter(void);
void MX_CAN_Init(uint8_t can1_baud,uint8_t can2_baud);
uint8_t can_send_msg(CAN_HandleTypeDef *hcan,uint8_t IDE,uint32_t id, uint8_t *msg, uint8_t len );
/* USER CODE END Prototypes */

#ifdef __cplusplus
}
#endif

#endif /* __CAN_H__ */