单片机外部中断控制数码管电子时钟。答:程序如下 include<reg51.h> define uchar unsigned char define uint unsigned int sbit k1=P3^1; //第一个按键,选择设置 uchar code distab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x40};//共阴数码管段码表 uchar disbuf[8]; //声明显示缓冲区8个单元 uchar ...
...89C52单片机实现数字时钟功能,显示时分秒的数码管,p1~p7接a~G急求...答:当一盘好人,给个例程,自己研究吧¬¬include<reg52.h> char code duma[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x40}; //0-9数码管,共阴 char code wema[]={0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7}; //片选,1-8个数码管 char j;char...
谁能告诉我51单片机简单的led数码管时钟程序 24小时制的(c语言版的...答:include "reg52.h"define uint unsigned int define uchar unsigned char uchar code tab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};uchar shi,fen,miao;uchar time;void delay(uint x){ uint y;for(;x>0;x--){ for(y=0;y<124;y++);} } void display(uchar ...