main.h

CAN总线开发板源代码与原理图

#include <stc10fxx.h>
#include <stdio.h>

#define uchar unsigned char
#define uint unsigned int
#define STX 0x02  //0x25
#define ETX 0x03   //0x3f
#define ACK 0x06
#define UART_REC_MAX 64


sbit LED1 = P4^6;
sbit LED2 = P4^1;
sbit LED3 = P4^4;

uchar bdata Flag;
sbit bSTX_Flag = Flag^0;
sbit bETX_Flag = Flag^1;
sbit bUartRecSuccFlag = Flag^2;

unsigned char idata SystemTime;
unsigned int idata System_LedTime;
unsigned char idata UartRecLen;
unsigned char idata UartRecTime;
unsigned char idata UartRecBuff[UART_REC_MAX]; //串口接收缓冲区


void SystemInit(void);
void DelayMs(unsigned int k);

sbit CH372_INT = P3^2;

extern bit USB_RecFlag;
extern bit USB_SendFlag;
extern uchar USB_RecLen;
extern void USB_Send_Data(uchar*p,len);

extern uchar idata USB_Buff[];
extern bit CH372_Init();
extern void CH372Interrupt();