怎样利用51单片机实现时钟功能程序?答:define uchar unsigned char // (先定义一下方便使用)define uint unsigned int define ulong unsigned long include <reg52.h> //包括一个52标准内核的头文件 uchar code zixing[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};uchar code ziwei[]={0x10,0x20,0x40,0x80...
用C语言编写AT89C51单片机程序,设计一个智能数字钟。答:sbit s3=P2^2; //s3按键,加1 sbit s4=P2^1; //s4按键,减1 sbit led1=P0^0;sbit led2=P0^1;sbit led3=P0^2;uchar count;uchar sec,minu,hour,day,week,mon;uchar n_sec,n_minu,n_hour;uint year;uchar set_2=1,set_1=1;uchar hs,hg,mis,mig,ss,sg;uchar nhs,nhg,nms,...