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/*
* Copyright (C) 2022-2024, Xiaohua Semiconductor Co., Ltd.
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-04-28 CDT first version
*/
#ifndef __DRV_CAN_H__
#define __DRV_CAN_H__
#ifdef __cplusplus
extern "C" {
#endif
#include <board.h>
#include <rtdevice.h>
#include <rtthread.h>
/* attention !!!
* if RT_CAN_USING_CANFD is enabled, RT_CAN_CMD_SET_BITTIMING is more recommended
* than RT_CAN_CMD_SET_BAUD_FD.
* because sample point is not specified by config when using RT_CAN_CMD_SET_BAUD_FD
* but in range [CAN_SAMPLEPOINT_MIN/1000,CAN_SAMPLEPOINT_MAX/1000]
* this may not match with your application
*/
#define CAN_SAMPLEPOINT_MIN (750U)
#define CAN_SAMPLEPOINT_MAX (800U)
#define CAN_CLOCK_SRC_20M (20*1000*1000UL)
#define CAN_CLOCK_SRC_40M (40*1000*1000UL)
#define CAN_CLOCK_SRC_80M (80*1000*1000UL)
#define CANFD_ARBITRATION_BAUD_250K (250*1000UL)
#define CANFD_ARBITRATION_BAUD_500K (500*1000UL)
#define CANFD_DATA_BAUD_1M (1*1000*1000UL)
#define CANFD_DATA_BAUD_2M (2*1000*1000UL)
#define CANFD_DATA_BAUD_4M (4*1000*1000UL)
#define CANFD_DATA_BAUD_5M (5*1000*1000UL)
#define CANFD_DATA_BAUD_8M (8*1000*1000UL)
#define CAN_FRAME_CLASSIC (0x0U)
#define CAN_FRAME_ISO_FD (0x2U)
#define CAN_FRAME_NON_ISO_FD (0x4U)
/* hc32 can device */
struct can_dev_init_params
{
char *name;
rt_bool_t single_trans_mode;
};
int rt_hw_can_init(void);
#ifdef __cplusplus
}
#endif
#endif /*__DRV_CAN_H__ */
/************************** end of file ******************/
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