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/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-08-05 Xeon Xu the first version
* 2019-01-22 YLZ port from stm324xx-HAL to bsp stm3210x-HAL
* 2019-01-26 YLZ redefine `struct stm32_drv_can` add member `Rx1Message`
* 2019-02-19 YLZ port to BSP [stm32]
*/
#ifndef __DRV_CAN_H__
#define __DRV_CAN_H__
#include "board.h"
#include <rtdevice.h>
#include <rthw.h>
#include <rtthread.h>
#define BS1SHIFT 16
#define BS2SHIFT 20
#define RRESCLSHIFT 0
#define SJWSHIFT 24
#define BS1MASK ( (0x0F) << BS1SHIFT )
#define BS2MASK ( (0x07) << BS2SHIFT )
#define RRESCLMASK ( 0x3FF << RRESCLSHIFT )
#define SJWMASK ( 0x3 << SJWSHIFT )
struct stm_baud_rate_tab
{
rt_uint32_t baud_rate;
rt_uint32_t confdata;
};
/* STM32 can driver */
struct stm32_drv_can
{
CAN_HandleTypeDef CanHandle;
CanTxMsgTypeDef TxMessage;
CanRxMsgTypeDef RxMessage;
CanRxMsgTypeDef Rx1Message;
CAN_FilterConfTypeDef FilterConfig;
};
#ifdef __cplusplus
extern "C" {
#endif
extern int rt_hw_can_init(void);
#ifdef __cplusplus
}
#endif
#endif /*__DRV_CAN_H__ */
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