main.h

CAN总线开发板源代码与原理图

#ifndef MAIN_H_
#define  MAIN_H_

#include <reg52.h>
#include <stdio.h>

#define GET_ADDR_H     UartBuff[6]
#define GET_ADDR_L    UartBuff[7]
#define GET_DATA_LEN  UartBuff[5]

#define GET_DEVICE  UartBuff[3]
#define GET_CMD      UartBuff[4]
#define GET_CP         UartBuff[5]
#define uchar unsigned char  //定义unsigned int为uint
#define uint unsigned int  //定义unsigned uchar为uchar


sbit LED0 = P0^0;

uchar Device,Cmd,CP;
extern void UartSendByte(uchar d);
extern void UartDataSend(uchar *p,len);
extern bit bUartRecSuccFlag;
extern uchar UartRecLen;  //串口接收数据时间变量
extern uchar UartRecTime;	//串口接收数据长度
extern uchar xdata UartBuff[];

#endif