/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file    can.h
  * @brief   This file contains all the function prototypes for
  *          the can.c file
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2023 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 */
#include "usart.h"
#include "ringbuf.h"
/* USER CODE END Includes */

extern CAN_HandleTypeDef hcan1;

/* USER CODE BEGIN Private defines */
typedef struct can_s
{
	int							fd;/* compatible with Linux API, not used */
	ring_buffer_t               xRxBuffer; /* receive data ring buffer */
} can_t;

extern can_t can;
/* USER CODE END Private defines */

void MX_CAN1_Init(void);

/* USER CODE BEGIN Prototypes */
extern can_t *can_init(CAN_HandleTypeDef *hcan);
extern int can_send(can_t *pcan, char *data, int bytes);
extern int can_recv(can_t *pcan, char *buf, int size, uint32_t timeout);
extern void can_term(can_t *pcan);
/* USER CODE END Prototypes */

#ifdef __cplusplus
}
#endif

#endif /* __CAN_H__ */