text1.c

常用经典小车程序常用经典小车程序常用经典小车程序

#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int

sbit t1 = P3^0;
sbit t2 = P3^1;
sbit a1 = P1^0;
sbit a2 = P1^1;
sbit a3 = P1^2;
sbit a4 = P1^3;

sbit M= P3^6;
sbit L= P3^7;
sbit R= P3^5;

uint SpeedA=10;
uint SpeedB=10;
uint m0=0;
uint m1=0; 

void FX(uint f){
    switch(f)
	{
		case 0: a1 = 0;a2 = 0;a3 = 0;a4 = 0; break;
		case 1: a1 = 1;a2 = 0;a3 = 1;a4 = 0; break;	 
		case 2: a1 = 0;a2 = 1;a3 = 0;a4 = 1; break;
		case 3: a1 = 0;a2 = 1;a3 = 1;a4 = 0; break;	
		case 4: a1 = 1;a2 = 0;a3 = 0;a4 = 1; 
	}
}

void delay(uint z) {
	uint x,y;
	for(x=z;x>0;x--)
	for(y=125;y>0;y--);
	}
	   
void main(void)
{
	TH0 = 0xF4;
	TL0 = 0x48;
	TH1 = 0xF4;
	TL1 = 0x48;
	TMOD = 0x11;
	TR0 = 1;
	TR1 = 1;
	ET0 = 1;
	ET1 = 1;
	EA  = 1;	
     FX(1);
	 while(1) ;
	 }
 void time0_int() interrupt 1 using 1
{
	TR0=0;				
	TH0=0xF4;
	TL0=0x48;
	m1=m1 + 1;						 
	if(m1< SpeedA){
	  t1 = 1;
	}
	else 
	  t1 = 0;
	if(m1== 40){
	  m1=0;
	}
	TR0 = 1;
}

void time1_int() interrupt 3 using 1
{
	TR1=0;
	TH1=0xF4;
	TL1=0x48;
	m0=m0 + 1;
	if(m0 < SpeedB){
	  t2=1;
	}
	else t2 = 0;
	if(m0 == 40){
	  m0=0;
	}
	TR1 = 1;
}

void int0() interrupt 0 using 1
{
	ET0 = 1;
}