led.c

52单片机开发板的实例程序

#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char 
uchar table[][8]={

{0x00,0x66,0x99,0x81,0x42,0x24,0x18,0x00} ,
{0,0,0,0,0,0,0,0}
				};//5
const uchar a[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
uchar aa[8];
uchar temp;
void delay(uint k)
{
  uint i;
  for(;k>0;k--)
  for(i=110;i>0;i--);
}
void display()
{
   uchar j;
   for(j=0;j<8;j++)
     {
       P2=table[0][j]; 
       P1=a[j];
       delay(2);
     }
}
void main()
{ 
   while(1)
   {
   display();

   }
}