基于51單片機的交通燈程序+Proteus仿真

ID:654032 · 發(fā)表于 2019-12-2 10:18

#include<reg51.h>
unsigned char code a[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
sbit w1=P3^6;
sbit w2=P3^7;
void delay(unsigned int xms);
void light(unsigned int t);
int main()
{

while(1){
   P1=0x1e;
   light(8);
   P1=0x1f;
   delay(500);
   P1=0x1e;
   delay(500);
   P1=0x1f;
   delay(500);
   P1=0x1e;
   delay(500);
   P1=0x1f;
   delay(500);
   P1=0x1e;
   delay(500);


   P1=0x1d;
   delay(3000);



   P1=0x33;
   light(8);
   P1=0x3b;
   delay(500);
   P1=0x33;
   delay(500);
   P1=0x3b;
   delay(500);
   P1=0x33;
   delay(500);
   P1=0x3b;
   delay(500);
   P1=0x33;
   delay(500);

   P1=0x2b;
   delay(3000);

}
return 0;
}
void delay(unsigned int xms)
{ unsigned int k;
unsigned char i,j;
for(k=xms;k>0;k--)
for(i=0;i<10;i++)
for(j=0;j<33;j++);
}
void light(unsigned int t)
{
unsigned int j;
unsigned int x;
unsigned int y;
while(t!=-1)
{
x=t/10;
y=t%10;
for(j=50000;j>0;j--)
   {
   P2=a[x];
   w1=0;w2=1;
   w1=1;w2=1;

   P2=a[y];
   w1=1;w2=0;
   w1=1;w2=1;

   }
   t--;
}

}