AT89C51單片機(jī)交通燈作品

ID:239014 · 發(fā)表于 2017-10-31 18:56

#include <reg51.h>                                                             //unsigned char code
dofly_table[10]={0x90,0x80,0xf8,0x82,0x92,0x99,0xb0,0xa4,0xf9,0xc0};  //0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,};
dofly1_table1[3]={0xf9,0xa4,0xb0};
void Delay(unsigned int t);

  void Delay(unsigned int t)
      {
   while(--t);
      }

sbit key=P1^7;
sbit  LED1=P0^1;//綠燈1
sbit  LED2=P0^2;//綠燈2
sbit  LED3=P0^3;//紅燈1
sbit  LED4=P0^4;//紅燈2
sbit  LED5=P0^5;//黃燈亮 1
sbit  LED6=P0^6;//黃燈亮 2

  void main()//主程序
{
unsigned char i;

while(1)
      {
for(i=0;i<10;i++) //主循1
   {
   LED1=0; //綠燈亮1
P3=dofly_table[i];
Delay(60000);
Delay(60000);
   }


      LED4=1;//紅燈滅2
      LED1=1;//綠燈滅1
   for(i=0;i<3;i++)
   {
LED5=0; //黃燈亮1
P3=dofly1_table1[i];
Delay(60000);
Delay(60000);
   }
   //LED5=0;//黃燈亮 1
   //Delay(60000);
   //Delay(60000);
   //Delay(60000);
      LED5=1;//黃燈滅
   LED3=0; //紅燈亮 1
      P3=0xff; //紅燈延時(shí)1
   //Delay(60000);

for(i=0;i<10;i++) //主循2
   {


   LED2=0; //綠燈亮 2
   P2=dofly_table[i];
   Delay(60000);
Delay(60000);
   }
         LED3=1;//紅燈滅1
   LED2=1;//綠燈滅2
      for(i=0;i<3;i++)
         {
            LED6=0; //黃燈亮2
            P2=dofly1_table1[i];
            Delay(60000);
            Delay(60000);
   }
LED6=1; //黃燈滅2
   LED4=0; //紅燈亮2
      P2=0xff;//綠燈延時(shí)2
   //Delay(60000);
      }
}

//void Delay(unsigned int i)
//{
//while(--t);

// }

//void DelayMs(unsigned int t)
//{
//while(t--)
//{
  //DelayUs2x(245);
  //DelayUs2x(245);

//}

//}
   //void Delay(unsigned char i)
// {
   // unsigned char j,k;
// for(k=0;k<i;k++)
// for(j=0;j<255;j++) ;

// }

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