51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2018-08-05 Xeon Xu the first version
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* 2019-01-22 YLZ port from stm324xx-HAL to bsp stm3210x-HAL
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* 2019-01-26 YLZ redefine `struct stm32_drv_can` add member `Rx1Message`
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* 2019-02-19 YLZ port to BSP [stm32]
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* 2019-06-17 YLZ modify struct stm32_drv_can.
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*/
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#ifndef __DRV_CAN_H__
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#define __DRV_CAN_H__
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#include <board.h>
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#include <rtdevice.h>
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#include <rthw.h>
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#include <rtthread.h>
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#define BS1SHIFT 16
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#define BS2SHIFT 20
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#define RRESCLSHIFT 0
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#define SJWSHIFT 24
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#define BS1MASK ( (0x0F) << BS1SHIFT )
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#define BS2MASK ( (0x07) << BS2SHIFT )
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#define RRESCLMASK ( 0x3FF << RRESCLSHIFT )
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#define SJWMASK ( 0x3 << SJWSHIFT )
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struct stm_baud_rate_tab
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{
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rt_uint32_t baud_rate;
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rt_uint32_t confdata;
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};
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/* STM32 can driver */
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struct stm32_drv_can
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{
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CAN_HandleTypeDef CanHandle;
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CAN_FilterTypeDef FilterConfig;
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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int rt_hw_can_init(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /*__DRV_CAN_H__ */
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