43 lines
810 B
C
43 lines
810 B
C
#ifndef _BSP_LIN_H
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#define _BSP_LIN_H
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#include "at32a423.h"
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#define Lin_Speed 19200
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//LIN接收状态
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typedef enum
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{
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BREAK_GET = 0,
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SYNCH_GET,
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PID_GET,
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MSG_GET,
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CHECKSUM_GET,
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}lin_rxstate_enum;
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typedef enum
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{
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LIN_OK = 0,
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FIFO_VOID, //无数据
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SYNC_ERR, //同步段错误
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PID_ERR, //PID错误
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NO_RESPONES, //无响应
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CYHECK_ERR, //数据长度错误
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FORMAT_ERR, //校验和错误
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}lin_error_enum;
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#pragma pack (1)
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typedef struct
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{
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uint8_t sync; //同步段：固定值0x55
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uint8_t frameid; //帧ID
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uint8_t pid; //PID
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uint8_t datalen; //LIN数据段有效字节数
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uint8_t data[8]; //数据段（lin规定数据长最多8字节）
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uint8_t checksum; //校验和
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}lin_msg_struct;
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#pragma pack()
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void lin_init(void);
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uint8_t rx_ring_buffer_get_lin_msg(lin_msg_struct * p_lin_msg);
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void USART3_IRQHandler(void);
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#endif
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