基于51單片機(jī)的五路搶答器

1、 實(shí)習(xí)(設(shè)計(jì))報(bào)告姓 名 班 級(jí) 學(xué) 號(hào) 實(shí)習(xí)(設(shè)計(jì))科目 基于51單片機(jī)的五路搶答器 實(shí)習(xí)(設(shè)計(jì))地點(diǎn) 實(shí)習(xí)(設(shè)計(jì))時(shí)間 電氣工程及自動(dòng)化學(xué)院school of electrical engineering & automation一 實(shí)驗(yàn)安排1. 設(shè)計(jì)一個(gè)八路搶答器。2. 必須有主持人按鈕，當(dāng)主持人按下按鈕，開(kāi)始30秒倒計(jì)時(shí)，這30秒內(nèi)即是八位選手搶答的時(shí)長(zhǎng)，若30秒內(nèi)無(wú)人搶答，則視為所有選手棄權(quán)。3. 倘若主持人按下開(kāi)始的30秒內(nèi)有人搶答，定時(shí)到10秒，同時(shí)在一屏幕上顯示該搶答選手號(hào)碼，當(dāng)主持人按下開(kāi)始答題鍵時(shí)，則倒計(jì)時(shí)從10秒開(kāi)始，同時(shí)選手號(hào)碼清零。若10秒內(nèi)無(wú)法回答，則該選手視為題目

2、回答錯(cuò)誤。/*五路搶答器c語(yǔ)言程序設(shè)計(jì)*/#include #define uchar unsigned char#define uint unsigned intsbit wela_hao=p30; /顯示選手的數(shù)碼管位選sbit wela1=p31;sbit wela2=p37;sbit qing=p35;sbit host=p36;sbit answer=p34;sbit key1=p10;sbit key2=p11;sbit key3=p12;sbit key4=p13;sbit key5=p14;uchar hao,shu,shi,ge,t0,start,flag;uchar cod

3、e table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71;void init();/*初始函數(shù)申明*/void display(uchar shi,uchar ge,uchar hao);void delay(uint z);void keyscan();void main() init(); while(1) if(host=0)/主持人 delay(5); if(host=0) shu=30; hao=0; flag=1; start=1; delay(5); while(

4、!host); if(qing=0)/清零 delay(5); if(qing=0) while(1) shu=0; shi=shu/10; ge=shu%10; tr0=0; delay(5); hao=0; wela1=0; wela2=0; wela_hao=0; delay(1); display(shi,ge,hao); if(host=0)break; delay(5); while(!qing); if(answer=0) /開(kāi)始答題 delay(5); if(answer=0) flag=1; shu=10; start=1; hao=0; delay(5); while(!a

5、nswer); if(flag=1) if(start=0) /選手按下，定時(shí)10秒 shu=10; shi=shu/10; ge=shu%10; wela1=0; wela2=0; wela_hao=0; delay(1);tr0=0; display(shi,ge,hao); delay(1); if(start=1) /主持人按下，倒計(jì)時(shí)30秒 wela1=1; wela2=1; wela_hao=1; delay(1); tr0=1; display(shi,ge,hao); delay(1);keyscan(); void init() /*初始化*/ t0=0; t1=0; shi

6、=shu/10; ge=shu%10; flag=0; shu=30; wela_hao=1; hao=0; tmod=0x11; th0=(65536-50000)/256; tl0=(65536-50000)%256; ea=1; et0=1; tr0=0;void display(uchar shi,uchar ge,uchar hao) /*數(shù)碼管動(dòng)態(tài)掃描*/ wela1=1; wela2=0; p0=tablege; delay(5); wela2=1; wela1=0; p0=tableshi; delay(5); wela_hao=0; p2=tablehao; delay(5)

7、;void keyscan() /*按鍵掃描函數(shù)*/ if(key1=0) delay(5);if(key1=0) hao=1; p2=tablehao; start=0; delay(5); while(!key1); if(key2=0) delay(5);if(key2=0) hao=2; p2=tablehao; start=0; delay(5); while(!key2); if(key3=0) delay(5);if(key3=0) hao=3; p2=tablehao; start=0; delay(5); while(!key3); if(key4=0) delay(5);i

8、f(key4=0) hao=4; p2=tablehao; start=0; delay(5); while(!key4); if(key5=0) delay(5);if(key5=0) hao=5; p2=tablehao; start=0; delay(5); while(!key5); void delay(uint z) /*延時(shí)函數(shù)*/ uint x,y; for(x=z;x0;x-) for(y=110;y0;y-);void time0() interrupt 1 /*定時(shí)器0*/ th0=(65536-50000)/256; tl0=(65536-50000)%256; shi=shu/10; ge=shu%10; t0+; if(t0=20) t0=0; shu-; shi=s