8位数码管.zip

#include <reg51.h> #define uchar unsigned char void delay_xms(int x)//延时子函数 { int i,j; for(i=0;i<x;i++) for(j=0;j<110;j++); } void main() { uchar code duanxuan[] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c, 0x39,0x5e,0x79,0x71};//选段 uchar code weixuan[] = {0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f}; //选位 while(1) { int i,m; for(i=0;i<8;i++) { P2 = weixuan[i]; P0 = duanxuan[i]; delay_xms(1000); //延时1000ms //P0 = 0; //复位，再重新选位，选段 } } }