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