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标题: 抢答器 [打印本页]

作者: 141624 时间: 2018-5-20 12:46
标题: 抢答器

#include<reg51.h>

#define uchar unsigned char

#define uint unsigned int

sbit k1=P1^0;

sbit k2=P1^1;

sbit k3=P1^2;

sbit k4=P1^3;

sbit k5=P1^4;

sbit k6=P1^5;

sbit k7=P1^6;

sbit k8=P1^7; //选手按键

sbit beep=P3^6; //蜂鸣器

uchar code tab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77}; //0-9代码（共阴极）

uchar shiwei,gewei,xuanshou,count,i,second;

ucharscore1,score2,score3,score4,score5,score6,score7,score8;//选手1~8的分数

uint t,m,n,a,a1,a2,a3,a4,a5,a6,a7,a8,k,m1,n2,m2,n2;

void Timer()

{

TMOD|=0x01;

TH0=0xd8; //初值55536，计数10000次，每次1US，总计10ms

TL0=0xf0;

IE=0x82; //这里是中断优先级控制EA=1（开总中断）,ET0=1（定时器0允许中断)，这里用定时器0来定时

TR0=1;

}

void tim(void) interrupt 1 using 1 //为定时中断TR0

{

TH0=0xd8; //重新赋值

TL0=0xf0;

count++;

if(count==100)//100*10ms=1秒

{

count=0;

second--;//秒减1

}

void delay(uint z) //延时函数

{

uintx,y;

for(x=z;x>0;x--)

for(y=110;y>0;y--);//延时1ms

}

void display (uchar shiwei,gewei,xuanshou)//显示函数

{

P2=0xfe; //打开显示时间十位的位选低电平有效1111 1110

P0=shiwei;//显示十位

delay(5);

P2=0xfd; //个位位选1111 1101

P0=gewei;

delay(5);

P2=0xf7; //选手位选1111 0111

P0=xuanshou;

delay(5);

}

void dis(void)//调用显示函数

{

shiwei=tab[second/10];

gewei=tab[second%10];

xuanshou=tab;

display(shiwei,gewei,xuanshou);

}

void init() //初始化函数

{

P2=0x04;//00000100

P0=0x3f;//数码管共阴0011 1111显示0

t=0;

beep=0;//蜂鸣器

i=0;

second=29;

score1=60;

score2=60;

score3=60;

score4=60;

score5=60;

score6=60;

score7=60;

score8=60;

a1=1;

a2=1;

a3=1;

a4=1;

a5=1;

a6=1;

a7=1;

a8=1;

}

void main()//主函数

{

init();//调用初始化函数

if(k==1){ m=0; if(k1==0){delay(5);if(k1==0);while(!k1);beep=1;delay(500);beep=0;} // 违规抢答显示号码报警

while(t)

{

if(m==0)//开关，保证程序只执行一次

{

switch(t)

{

case1:

{

TR0=0;i=1;second=score1;beep=1;delay(500);beep=0;

a1=0;a2=1;a3=1;a4=1;a5=1;a6=1;a7=1;a8=1;m=1;break;//有选手抢答时显示选手号码蜂鸣器响，时间为0，t和i对应

}}} }

if(k2==0){delay(5);if(k1==0);while(!k1);t=2;beep=1;delay(500);beep=0;}

if(k3==0){delay(5);if(k1==0);while(!k1);t=3;beep=1;delay(500);beep=0;}

if(k4==0){delay(5);if(k1==0);while(!k1);t=4;beep=1;delay(500);beep=0;}

if(k5==0){delay(5);if(k1==0);while(!k1);t=5;beep=1;delay(500);beep=0;}

if(k6==0){delay(5);if(k1==0);while(!k1);t=6;beep=1;delay(500);beep=0;}

if(k7==0){delay(5);if(k1==0);while(!k1);t=7;beep=1;delay(500);beep=0;}

if(k8==0){delay(5);if(k1==0);while(!k1);t=8;beep=1;delay(500);beep=0;}

}

if(k==0)

{

Timer();//中断定时器打开

delay(10);

while(!k);

while(1)

{

dis();

m=0;

n=0;

if(second==29){beep=1;delay(500);beep=0;}

if(second==0){

TR0=0;n=1;

if(k1==0){delay(5);if(k1==0);while(!k1);t=1;beep=1;delay(500);beep=0;} // 违规抢答显示号码报警

if(k2==0){delay(5);if(k1==0);while(!k1);t=2;beep=1;delay(500);beep=0;}

if(k3==0){delay(5);if(k1==0);while(!k1);t=3;beep=1;delay(500);beep=0;}

if(k4==0){delay(5);if(k1==0);while(!k1);t=4;beep=1;delay(500);beep=0;}

if(k5==0){delay(5);if(k1==0);while(!k1);t=5;beep=1;delay(500);beep=0;}

if(k6==0){delay(5);if(k1==0);while(!k1);t=6;beep=1;delay(500);beep=0;}

if(k7==0){delay(5);if(k1==0);while(!k1);t=7;beep=1;delay(500);beep=0;}

if(k8==0) {delay(5);if(k1==0);while(!k1);t=8;beep=1;delay(500);beep=0;}

if(k==0)

{beep=1;delay(500);beep=0;second=29;TR0=1;m=1;}

}//如果再次按下开始按钮，蜂鸣器响0。5秒，定时器打开，从29开始倒计时

if(n==0)

{

if(k1==0) {delay(5);if(k1==0);while(!k1);t=1;} //正常抢答显示号码

elseif(k2==0) {delay(5);if(k2==0);while(!k2);t=2;}

elseif(k3==0) {delay(5);if(k3==0);while(!k2);t=3;}

elseif(k4==0) {delay(5);if(k4==0);while(!k2);t=4;}

elseif(k5==0) {delay(5);if(k5==0);while(!k2);t=5;}

elseif(k6==0) {delay(5);if(k6==0);while(!k2);t=6;}

elseif(k7==0) {delay(5);if(k7==0);while(!k2);t=7;}

elseif(k8==0) {delay(5);if(k8==0);while(!k2);t=8;}

elseif(k==0) {delay(5);if(k==0);while(!k);t=0;i=0;second=29;beep=1;delay(500);beep=0;TR0=1;}//从新开始，从新启动。

}

while(t)

{

if(m==0)//开关，保证程序只执行一次

{

switch(t)

{

case1:

{

TR0=0;i=1;second=0;beep=1;delay(500);beep=0;

a1=0;a2=1;a3=1;a4=1;a5=1;a6=1;a7=1;a8=1;m=1;break;//有选手抢答时显示选手号码蜂鸣器响，时间为0，t和i对应

}

case2:

{

TR0=0;i=2;second=0;beep=1;delay(500);beep=0;

a2=0;a1=1;a3=1;a4=1;a5=1;a6=1;a7=1;a8=1;m=1;break;

}

case3:

{

TR0=0;i=3;second=0;beep=1;delay(500);beep=0;

a3=0;a1=1;a2=1;a4=1;a5=1;a6=1;a7=1;a8=1;m=1;break;

}

case4:

{

TR0=0;i=4;second=0;beep=1;delay(500);beep=0;

a4=0;a1=1;a2=1;a3=1;a5=1;a6=1;a7=1;a8=1;m=1;break;

}

case5:

{

TR0=0;i=5;second=0;beep=1;delay(500);beep=0;

a5=0;a1=1;a2=1;a3=1;a4=1;a6=1;a7=1;a8=1;m=1;break;

}

case6:

{

TR0=0;i=6;second=0;beep=1;delay(500);beep=0;

a6=0;a1=1;a2=1;a3=1;a4=1;a5=1;a7=1;a8=1;m=1;break;

}

case7:

{

TR0=0;i=7;second=0;beep=1;delay(500);beep=0;

a7=0;a1=1;a2=1;a3=1;a4=1;a5=1;a6=1;a8=1;m=1;break;

}

case8:

{

TR0=0;i=8;second=0;beep=1;delay(500);beep=0;

a8=0;a1=1;a2=1;a3=1;a4=1;a5=1;a6=1;a7=1;m=1;break;

}

if(a1==0)//选手1的分数

{

second=score1;

dis();

if(m1==0){delay(5);if(m1==0);while(!m1);beep=1;delay(100);beep=0;score1+=5;}

else if(m2==0){delay(5);if(m2==0);while(!m2);beep=1;delay(100);beep=0;score1-=5;}

dis();

}

elseif(a2==0)

{ second=score2;

dis();

if(m1==0){delay(5);if(m1==0);while(!m1);beep=1;delay(100);beep=0;score2+=5;}

else if(m2==0){delay(5);if(m2==0);while(!m2);beep=1;delay(100);beep=0;score2-=5;}

dis();

}

elseif(a3==0)

{ second=score3;

dis();

if(m1==0){delay(5);if(m1==0);while(!m1);beep=1;delay(100);beep=0;score3+=5;}

else if(m2==0){delay(5);if(m2==0);while(!m2);beep=1;delay(100);beep=0;score3-=5;}

second=score3;

dis();

}

elseif(a4==0)

{

second=score4;

dis();

if(m1==0){delay(5);if(m1==0);while(!m1);beep=1;delay(100);beep=0;score4+=5;}

else if(m2==0){delay(5);if(m2==0);while(!m2);beep=1;delay(100);beep=0;score4-=5;}

second=score4;

dis();

}

elseif(a5==0)

{

second=score5;

dis();

if(m1==0){delay(5);if(m1==0);while(!m1);beep=1;delay(100);beep=0;score5+=5;}

else if(m2==0){delay(5);if(m2==0);while(!m2);beep=1;delay(100);beep=0;score5-=5;}

second=score5;

dis();

}

elseif(a6==0)

{

second=score6;

dis();

if(m1==0){delay(5);if(m1==0);while(!m1);beep=1;delay(100);beep=0;score6+=5;}

else if(m2==0){delay(5);if(m2==0);while(!m2);beep=1;delay(100);beep=0;score6-=5;}

second=score6;

dis();

}

elseif(a7==0)

{

second=score7;

dis();

if(m1==0){delay(5);if(m1==0);while(!m1);beep=1;delay(100);beep=0;score7+=5;}

else if(m2==0){delay(5);if(m2==0);while(!m2);beep=1;delay(100);beep=0;score7-=5;}

second=score7;

dis();

}

elseif(a8==0)

{

second=score8;

dis();

if(m1==0){delay(5);if(m1==0);while(!m1);beep=1;delay(100);beep=0;score8+=5;}

else if(m2==0){delay(5);if(m2==0);while(!m2);beep=1;delay(100);beep=0;score8-=5;}

second=score8;

dis();

}

if(k==0){i=0;t=0;second=29;beep=1;delay(500);beep=0;TR0=1;}

while(!k);

}