71 lines
2.0 KiB
C
71 lines
2.0 KiB
C
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/*
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* Copyright (c) 2006-2023, 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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* 2023-03-30 luobeihai first version
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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 <rtdevice.h>
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#include <rtthread.h>
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#include <board.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(APM32F10X_HD) || defined(APM32E10X_HD) || defined(APM32S10X_MD)
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/* Aliases for __IRQn */
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#define CAN1_TX_IRQn USBD1_HP_CAN1_TX_IRQn
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#define CAN1_RX0_IRQn USBD1_LP_CAN1_RX0_IRQn
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#define CAN2_TX_IRQn USBD2_HP_CAN2_TX_IRQn
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#define CAN2_RX0_IRQn USBD2_LP_CAN2_RX0_IRQn
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/* Aliases for __IRQHandler */
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#define CAN1_TX_IRQHandler USBD1_HP_CAN1_TX_IRQHandler
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#define CAN1_RX0_IRQHandler USBD1_LP_CAN1_RX0_IRQHandler
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#define CAN2_TX_IRQHandler USBD2_HP_CAN2_TX_IRQHandler
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#define CAN2_RX0_IRQHandler USBD2_LP_CAN2_RX0_IRQHandler
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#endif /* APM32F10X_HD || APM32E10X_HD || APM32S10X_MD */
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struct apm32_baud_rate_tab
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{
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uint32_t baud_rate;
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uint16_t prescaler;
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CAN_SJW_T syncJumpWidth;
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CAN_TIME_SEGMENT1_T timeSegment1;
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CAN_TIME_SEGMENT2_T timeSegment2;
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};
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#define APM32_CAN_BAUD_DEF(rate, sjw, tbs1, tbs2, prescale) \
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{ \
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.baud_rate = rate, \
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.syncJumpWidth = sjw, \
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.timeSegment1 = tbs1, \
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.timeSegment2 = tbs2, \
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.prescaler = prescale \
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}
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/* apm32 can device */
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struct apm32_can
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{
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char *name;
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CAN_T *CANx;
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CAN_Config_T can_init;
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CAN_FilterConfig_T FilterConfig;
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struct rt_can_device device; /* inherit from can device */
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};
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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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