61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
/*
|
|
* 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)
|
|
|
|
/* 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 ******************/
|