jiaotong.c

全功能交通灯设计智能交通灯.rar

#include <reg51.h>
#include <stdio.h>
#define uchar     unsigned char
#define uint      unsigned int
sbit key1=P3^2;
sbit key2=P3^3;
sbit key3=P3^4;
sbit key4=P3^5;

uchar h,count,num,dat,flag,dat1,num1,key1num,temp;
uint r=0;
uint s;
uchar code  dis[]={
							
	0Xc0,/*0*/
	0Xf9,/*1*/
	0Xa4,/*2*/
	0Xb0,/*3*/
	0X99,/*4*/
	0X92,/*5*/
	0X82,/*6*/
	0Xf8,/*7*/
	0X80,/*8*/
	0X90,/*9*/
	0Xff,/*NULL*/
};


void delay(uint c)
{
   uint i,j;
    for(i=0;i<c;i++)
	  for(j=0;j<100;j++);
	
}

void init()
{
	TMOD=0x11;//设置定时器0为工作方式1
	TH0=(65536-10000)/256;
	TL0=(65536-10000)%256;
	TH1=(65536-20000)/256;
	TL1=(65536-20000)%256;
	EA=1;//开总中断
	ET0=1;//开定时器0中断
	ET1=1;
	TR0=1;//启动定时器0
	TR1=1;
	num=66;
//	P0=0xeb;
}
void display(dat)   //送显示
{			
			
		   if(dat<=33)
		   {
		   	if(dat>3&&dat<33)
			{
			   	P0=0xdd;//红灯
				P1=0x00;
		        P2=0xff;
		        P1=0x01;
		        P2=dis[dat/10];
		         delay(1);
				P1=0x00;
		        P2=0xff;
		        P1=0x02;
		        P2=dis[dat%10];
				 delay(1);
				P1=0x00;
		        P2=0xff;
				P1=0x04;
		        P2=dis[(dat-3)/10];
				 delay(1);
				P1=0x00;
		        P2=0xff;
				P1=0x08;
		        P2=dis[(dat-3)%10];
		         delay(1);
			  }
			 if(dat<=3)
			 {
			 		P0=0xd4;//黄灯
			 		P1=0x00;
	        		P2=0xff;
			        P1=0x02;
			        P2=dis[dat%10];
			 		delay(1);

					P1=0x00;
				    P2=0xff;
				    P1=0x08;
				    P2=dis[(dat-3)%10];
				    delay(1);
					
						
			 }
//			 break;
			}

			if(dat>=33&&dat<=66)
			{
			if(dat>36&&dat<=66)
			{
				P0=0xeb;
						P1=0x00;
		        P2=0xff;
		        P1=0x01;
		        P2=dis[(dat-33)/10];
		         delay(1);
				P1=0x00;
		        P2=0xff;
		        P1=0x02;
		        P2=dis[(dat-33)%10];
				 delay(1);
				P1=0x00;
		        P2=0xff;
				P1=0x04;
		        P2=dis[(dat-36)/10];
				 delay(1);
				P1=0x00;
		        P2=0xff;
				P1=0x08;
		        P2=dis[(dat-36)%10];
		         delay(1);	
			 }
			 if(dat>=33&&dat<=36)
			 {
			 		P0=0xe2;//黄灯
			 		P1=0x00;
	        		P2=0xff;
			        P1=0x02;
			        P2=dis[(dat-33)%10];
			 		delay(1);	   

					P1=0x00;
				    P2=0xff;
				    P1=0x08;
				    P2=dis[(dat-33)%10];
				    delay(1);	  
			 }
//			 break;
			}
			 
}
void keyscan() //键盘检测
{
	if(key1==0)
	{
		delay(5);
		if(key1==0)
		{
			key1num++;
			while(!key1)
			{
				display(num);
			}
			if(key1num==1)
			{
				TR0=0;
				TR1=0;
			}
			if(key1num==2)
			{
				TR0=1;
				TR1=1;
				P1=temp;
				key1num=0;

			}
		}
	
	}
		if(key1num!=0)
		{	
			if(key2==0)
			{
				delay(5);
				if(key2==0)
				{
					while(!key2)
					{
						display(num);
					}
					if(key1num==1)
					{
						num++;
						display(num);
						
					}
					if(key1num==2)
					{
						num++;
						display(num);
					}
				}
			}
	  	    if(key3==0)
			{
				delay(5);
				if(key3==0)
				{
					while(!key3)
					{
						display(num);
					}
					
						if(key1num==1)
						{
							if(num==0)
							num=32;
							num--;
						}
						if(key1num==2)
						{
							if(num1==0)
							num1=56;
							num1--;
						}
					

				}
			}
		}
}
void main()  //主函数
{
	init();
	while(1)
	{	
		keyscan();
		if(count==10)
		{
			count=0;
			num--;
			
			if(num==0)
			{
				num=66;
			}
		}
		display(num);
	}
}
void t0(void ) interrupt 1  //定时器T0
{
	TH0=(65535-50000)/256;
	TL0=(65535-50000)%256;
	count++;
	num1++;	

	
}
void time1() interrupt 3	//定时器T1
{
	TH1=(65536-20000)/256;
	TL1=(65536-20000)%256;

}