基于单片机比赛计时计分电路仿真设计-电路程序资料

Posted 2021-05-15 Mr song song

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#include<reg51.h>//51单片机头文件
typedef unsigned char uchar;
typedef unsigned int  uint;
sbit K1=P3^2;//比赛倒计时开始/暂停
sbit K2=P3^3;//24s倒计时重新开始
sbit K3=P1^3;//乙队+1按键
sbit K4=P1^2;//乙队+2按键
sbit K5=P1^1;//甲队+1按键
sbit K6=P1^0;//甲队+2按键
sbit K7=P1^4;//甲队+3按键
sbit K8=P1^5;//乙队+3按键
sbit K9=P1^6;//预留按键
sbit beep=P2^0;//蜂鸣器接口  
sbit RS=P2^7;
sbit E=P2^5;
char miao,fen,num,time,aa;
uchar bb,cc;
uchar code table1[]={"H.T 000:000 R.T "};
uchar code table2[]={"12:00  SEC-1  24"};
//延时子函数
void delay(uint z)  
{
	uint x;