基于stc89c51单片机的数码管时钟

/*郑州轻工业学院wuzhipeng*/*共有四个按键，K1按下后时钟启动，K1断开后可以调表，其余三个按键分别调整时分秒，调整完毕按下k1确认*/#include#include#define uchar unsigned char#define uint unsigned intuchar count=0,miao=0,fen=0,shi=0;uchar date=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff,0xbf;uchar code wei=0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80;int time10;sbit K1=P32;sbit K2=P33;sbit K3=P34;sbit K4=P35;bit K1flag=0;void delay(uint xms) uint i,j;for (i=xms;i0;i-) for(j=115;j0;j-);void display() time0=miao%10;time1=miao/10;time2=11;time3=fen%10;time4=fen/10;time5=11;time6=shi%10;time7=shi/10;P2=wei0;P1=datetime0;delay(1);/?P2=wei1;P1=datetime1; delay(1);/?P2=wei2;P1=datetime2; delay(1);/?P2=wei3; P1=datetime3; delay(1);/P2=wei4;P1=datetime4;delay(1);/ P2=wei5;P1=datetime5;delay(1);/P2=wei6;P1=datetime6;delay(5);/P2=wei7;P1=datetime7;delay(1);/void KeyProcess() /键盘处理程序 display(); if(K2=0) delay(10) ;if (K2=0) while (!K2); shi+; if (shi=11) shi=0; /小时调整 if(K3=0) delay(1) ;if (K3=0) while (!K3); fen+; if (fen=11) fen=0;/分钟调整 if(K4=0) delay(1) ;if (K4=0) while (!K4); miao+; if (miao=11) miao=0; /秒调整 void main () TMOD=0x01; TH0=0x4c;TL0=0x00; EA=1;ET0=1; TR0=0; while (1) if(K1=0) TR0=1;display(); else TR0=0; KeyProcess(); void timer0() interrupt 1 using 0 /中断程序 TH0=0x4c;TL0=0x00;count+;if(count=20) count=0; miao+;