56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
/*!
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\file can.h
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\brief CAN配置头文件
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\version 2026-03-09, V1.4.0, firmware for GD32H7xx
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*/
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#ifndef CAN_H
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#define CAN_H
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define CAN_RX_BUFFER_SIZE 32U
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typedef enum {
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E_CAN_0 = 0,
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E_CAN_1 = 1,
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E_CAN_2 = 2
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} E_CAN_ID;
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typedef struct {
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uint32_t ID;
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uint8_t Len;
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uint8_t Data[8U];
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} CAN_DATA;
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/* CAN统一初始化接口 */
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void v_can_interface_init(void);
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uint8_t u8_can_is_initialized(void);
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/* CAN 中断分发（供 gd32h7xx_it.c 复用） */
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void v_can_irq_handler(uint8_t can_port);
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/* 对外统一发送/接收接口（扩展帧、数据帧） */
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void v_can_tx(E_CAN_ID can_id, const CAN_DATA *can_data);
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uint8_t u8_can_rx(E_CAN_ID can_id, CAN_DATA *can_data);
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/* 兼容当前工程的原统一接口 */
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uint8_t can_send_data(uint8_t can_port, uint32_t id, uint8_t *data, uint8_t dlc, uint8_t ide, uint8_t rtr);
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uint8_t can_receive_data(uint8_t can_port, uint32_t *id, uint8_t *data, uint8_t *dlc, uint8_t *ide, uint8_t *rtr);
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/* 扩展帧ID打包/解析工具 */
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uint32_t u32_get_can_ID(uint8_t prior, uint8_t cmd, uint8_t desAddr, uint8_t oriAddr);
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uint8_t u8_can_ID_unpack(uint32_t u32_id, uint8_t *prior, uint8_t *cmd, uint8_t *desAddr, uint8_t *oriAddr);
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#ifdef __cplusplus
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}
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#endif
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#endif /* CAN_H */
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