ledxianshi.c

LED显示,流水灯,定时器,可用于单片机课程设计

#include <reg51.h>
#define uchar unsigned char
uchar dis[]={0xc0,0xf9,0xa4,0Xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff};
sbit p27=P2^7;
void delay(uchar x)
{ uchar y; while(--x){ for(y=0;y<125;y++){}}}
void main()
{    uchar i=0;   
     while(1) 
    { P0=dis[i]; p27=0; delay(250); p27=1; i++;
       if(i==10)i=0;}
}