/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file can.h
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* @brief This file contains all the function prototypes for
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* the can.c file
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2023 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __CAN_H__
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#define __CAN_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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/* USER CODE BEGIN Includes */
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#include "usart.h"
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#include "ringbuf.h"
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/* USER CODE END Includes */
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extern CAN_HandleTypeDef hcan1;
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/* USER CODE BEGIN Private defines */
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typedef struct can_s
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{
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int fd;/* compatible with Linux API, not used */
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ring_buffer_t xRxBuffer; /* receive data ring buffer */
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} can_t;
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extern can_t can;
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/* USER CODE END Private defines */
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void MX_CAN1_Init(void);
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/* USER CODE BEGIN Prototypes */
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extern can_t *can_init(CAN_HandleTypeDef *hcan);
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extern int can_send(can_t *pcan, char *data, int bytes);
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extern int can_recv(can_t *pcan, char *buf, int size, uint32_t timeout);
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extern void can_term(can_t *pcan);
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/* USER CODE END Prototypes */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __CAN_H__ */
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