#include<reg52.h> #define dula P0 #define wela P3 unsigned char disbuff[] = {0,0,10,0,0,10,0,0,}; unsigned char hour,min,sec,num,dulacode[] = {0x3f,6,0x5b,0x4f,0x66,0x6d,0x7d,7,0x7f,0x6f,0x09}; unsigned char welacode[] = {0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f}; void display() { unsigned int j; unsigned char i; for(i=0;i<8;i++) { dula=0x00; dula = dulacode[disbuff[i]]; wela = welacode[i] ; for(j=0;j<500;j++); } } void time0() interrupt 1 { TL0 = 55536%256; TH0 = 55536/256; num++; if(num > 99) { num = 0; sec++; if(sec>59) { sec=0; min++; if(min>59) { min=0; hour++; if(hour>23) { hour=0; } } } } disbuff[0]=hour/10; disbuff[1]=hour%10; disbuff[3]=min/10; disbuff[4]=min%10; disbuff[6]=sec/10; disbuff[7]=sec%10; } void main() { TMOD = 0x01; TH0=55536/256; TL0=55536%256; ET0 = 1; EA =1; TR0=1; while(1) display(); }
c51动态数码管写时钟
猜你喜欢
转载自blog.csdn.net/qq_38053395/article/details/80117934
今日推荐
周排行