Proteus仿真實(shí)現(xiàn)51單片機(jī)控制4511實(shí)現(xiàn)交通燈功能（運(yùn)用外部中斷與內(nèi)部中斷）數(shù)碼....

ID:699029 · 發(fā)表于 2020-8-28 15:42

#include <reg51.h>
#include <intrins.h>
#define uint unsigned int
#define uchar unsigned char
unsigned char code SEG2[6]={0xfe,0xfd,0xfb,0xf7};
uchar t=0,x=0,y=0;
uchar a,b,c,d;

void delay(unsigned int i)
{
unsigned int j;
for(i;i>0;i--)
      for(j=300;j>0;j--);
}
void zhongduan1()//50ms中斷
{
EA=1;
ET0=1;
TMOD=0x01;
TH0=0x3c;
TL0=0xb0;
//TR0=1;
}
void zhongduan2()
{
   EA=1;
   EX0=1;
   IT0=1;
   EX1=1;
   IT1=1;
}

void ledout(uchar out0,out1)//
{
         if((20<=x&&x<25)&&(t>10))
         {  P0=0;P1=0xff;delay(1);delay(1); }
         else
         {
         P0=(out0)/10;
P1=SEG2[0];
delay(1);
P1=0xff;
P0=(out0)%10;;
P1=SEG2[1];
delay(1);
P1=0xff;
         }

         if((50<=x&&x<55)&&(t>10))
         { P0=0;P1=0xff;delay(1); delay(1); }
         else
         {
P0=(out1)/10;
P1=SEG2[2];
delay(1);
P1=0xff;
P0=(out1)%10;;
P1=SEG2[3];
delay(1);
P1=0xff;
         }
}
void mart()
{
uchar i;
if(x<20)i=1;
if(20<=x&&x<25)i=2;
if(25<=x&&x<30)i=3;
if(30<=x&&x<50)i=4;
if(50<=x&&x<55)i=5;
if(55<=x)i=6;
switch(i)
{
case 1:
      ledout(25-x,30-x);
      P2=0xED;
      //P2=0x99;
break;
      case 2:
      ledout(25-x,30-x);
      P2=0xED;
      if(t>10){P2=0xEF;}
break;
case 3:
      ledout(30-x,30-x);
      P2=0xEB;
break;
      case 4:
      ledout(60-x,55-x);
      P2=0xDE;
break;
case 5:
      ledout(60-x,55-x);
      P2=0xDE;
      if(t>10){P2=0xFE;}
break;
      case 6:
      ledout(60-x,60-x);
      P2=0xBE;
break;
}
}

void main( )
{
zhongduan1();
zhongduan2();

while(1)
{
   if(y!=0)
   mart();

}
}

仿真.zip (25.9 KB, 下載次數(shù): 34)

交通燈.zip (14.22 KB, 下載次數(shù): 23)

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