|
|
- #include<reg51.h>//51單片機(jī)頭文件
- typedef unsigned char uchar;
- typedef unsigned int uint;
- sbit K1=P3^2;//比賽倒計(jì)時(shí)開始/暫停
- sbit K2=P3^3;//24s倒計(jì)時(shí)重新開始
- sbit K3=P1^3;//乙隊(duì)+1按鍵
- sbit K4=P1^2;//乙隊(duì)+2按鍵
- sbit K5=P1^1;//甲隊(duì)+1按鍵
- sbit K6=P1^0;//甲隊(duì)+2按鍵
- sbit K7=P1^4;//乙隊(duì)+3按鍵
- sbit K8=P1^5;//甲隊(duì)+3按鍵
- sbit K9=P1^6;//半場(chǎng)積分互換
- sbit K10=P1^7;//分?jǐn)?shù)清0
- sbit K11=P2^1;//乙隊(duì)-1按鍵
- sbit K12=P2^2;//甲隊(duì)-1按鍵
- sbit K13=P2^3;//乙隊(duì)犯規(guī)按鍵
- sbit K14=P2^4;//甲隊(duì)犯規(guī)按鍵
- sbit LED1=P2^6;//乙隊(duì)犯規(guī)燈
- sbit LED2=P3^4;//乙隊(duì)犯規(guī)燈
- sbit LED3=P3^0;//甲隊(duì)犯規(guī)燈
- sbit LED4=P3^1;//甲隊(duì)犯規(guī)燈
- sbit K15=P3^5;//乙隊(duì)犯規(guī)清0按鍵
- sbit K16=P3^6; //甲隊(duì)犯規(guī)清0按鍵
- sbit beep=P2^0;//蜂鳴器接口
- sbit RS=P2^7;
- sbit E=P2^5;
- char miao,fen,num,time,aa;
- uchar bb,cc,tt;
- uchar code table1[]={"H.T 000:000 R.T "};
- uchar code table2[]={"10:00 SEC-1 24"};
- bit key_pressed = 0; // 按鍵按下標(biāo)志
- bit key_pressed1 = 0; // 按鍵按下標(biāo)志
- unsigned char led_state = 0; // LED狀態(tài): 0=都滅, 1=LED1亮, 2=都亮
- unsigned char led_state1 = 0; // LED狀態(tài): 0=都滅, 1=LED1亮, 2=都亮
- //延時(shí)子函數(shù)
- void delay(uint z)
- {
- uint x;
- uchar y;
- for(x=z;x>0;x--)
- for(y=110;y>0;y--);
- }
- //LCD1602液晶寫指令子函數(shù)
- void write_com(uchar com)
- {
- RS=0;
- P0=com;
- delay(5);
- E=1;
- delay(5);
- E=0;
- }
- //LCD1602液晶寫數(shù)據(jù)子函數(shù)
- void write_date(uchar date)
- {
- RS=1;
- P0=date;
- delay(5);
- E=1;
- delay(5);
- E=0;
- }
- //LCD1602液晶初始化子函數(shù)
- void LCD1602_init()
- {
- uchar i;
- bb=0; //H.T分?jǐn)?shù)初始化
- cc=0; //R.T分?jǐn)?shù)初始化
- time=0;
- TMOD=0x10; //定時(shí)器1初始化
- TL1=0x00;
- TH1=0x4c;
- EA=1; //開總中斷
- ET1=1; //開定時(shí)器1
- TR1=0; //定時(shí)器1不工作
- EX0=1; //開中斷0
- EX1=1; //開中斷1
- IT0=1; //中斷0為邊沿觸發(fā)
- IT1=1; //中斷1為邊沿觸發(fā)
- E=0;
- beep=0;
- miao=0;
- fen=10;
- num=1;
- aa=24;
- write_com(0x38); //LCD設(shè)置初始化
- write_com(0x0c);
- write_com(0x06);
- write_com(0x01);
- write_com(0x80); //LCD顯示初始化
- for(i=0;i<16;i++)
- {
- write_date(table1[i]);
- }
- write_com(0x80+0x40);
- for(i=0;i<16;i++)
- {
- write_date(table2[i]);
- }
- }
- //分?jǐn)?shù)更新子函數(shù)
- void point_lcd(uchar add,uchar dat)
- {
- write_com(0x80+add);
- write_date(0x30+dat/100);
- write_date(0x30+(dat%100)/10);
- write_date(0x30+dat%10);
- write_com(0x80+add);
- }
- //按鍵掃描子函數(shù)
- void keyscan()
- {
- if(K3==0) //K3按下H.T分?jǐn)?shù)加一
- {
- while(K3==0);
- bb++;
- point_lcd(0x04,bb); //分?jǐn)?shù)顯示更新
- if(K3==0) //松手檢測(cè)
- {
- while(K3==0);
- delay(20);
- }
- }
- else if(K4==0) //K4按下H.T分?jǐn)?shù)加二
- {
- while(K4==0);
- bb=bb+2;
- point_lcd(0x04,bb);
- if(K4==0)
- {
- while(K4==0);
- delay(20);
- }
- }
- else if(K7==0) //K7按下H.T分?jǐn)?shù)加3
- {
- while(K7==0);
- bb=bb+3;
- point_lcd(0x04,bb);
- if(K7==0)
- {
- while(K7==0);
- delay(20);
- }
- }
- else if(K5==0) //K5按下R.T分?jǐn)?shù)加一
- {
- while(K5==0);
- cc++;
- point_lcd(0x08,cc);
- if(K5==0)
- {
- while(K5==0);
- delay(20);
- }
- }
- else if(K6==0) //K6按下R.T分?jǐn)?shù)加2
- {
- while(K6==0);
- cc=cc+2;
- point_lcd(0x08,cc);
- if(K6==0)
- {
- while(K6==0);
- delay(20);
- }
- }
- else if(K8==0) //K9按下R.T分?jǐn)?shù)加3
- {
- while(K8==0);
- cc=cc+3;
- point_lcd(0x08,cc);
- if(K8==0)
- {
- while(K8==0);
- delay(20);
- }
- }
- else if(K10==0) //K10按下分?jǐn)?shù)清0
- {
- while(K10==0);
- bb=0;
- cc=0;
- point_lcd(0x04,bb);
- point_lcd(0x08,cc);
- if(K10==0)
- {
- while(K10==0);
- delay(20);
- }
- }
- else if(K9==0) //K9半場(chǎng)場(chǎng)地互換，積分互換
- {
- while(K9==0);
- {
- // uchar code table3[]={"R.T 000:000 H.T "};
- tt=bb;bb=cc;cc=tt;
- }
- point_lcd(0x04,bb);
- point_lcd(0x08,cc);
- if(K9==0)
- {
- while(K9==0);
- delay(20);
- }
- }
- if(K13 == 0) //K13乙隊(duì)犯規(guī)按鍵
- {
- delay(10); // 消抖延時(shí)
- if(K13 == 0 && !key_pressed) {
- key_pressed = 1; // 設(shè)置按鍵按下標(biāo)志
-
- // 根據(jù)當(dāng)前狀態(tài)切換LED
- if(led_state == 0) {
- LED1 = 1; // 點(diǎn)亮第一個(gè)LED
- led_state = 1;
- }
- else if(led_state == 1) {
- LED2 = 1; // 點(diǎn)亮第二個(gè)LED
- led_state = 2;
- }
- // 當(dāng)led_state == 2時(shí)不做任何操作
- }
- } else {
- key_pressed = 0; // 按鍵釋放，清除標(biāo)志
- }
- if(K14 == 0) //K13甲隊(duì)犯規(guī)按鍵
- {
- delay(10); // 消抖延時(shí)
- if(K14 == 0 && !key_pressed1) {
- key_pressed1 = 1; // 設(shè)置按鍵按下標(biāo)志
-
- // 根據(jù)當(dāng)前狀態(tài)切換LED
- if(led_state1 == 0) {
- LED3 = 1; // 點(diǎn)亮第一個(gè)LED
- led_state1 = 1;
- }
- else if(led_state1 == 1) {
- LED4 = 1; // 點(diǎn)亮第二個(gè)LED
- led_state1 = 2;
- }
- // 當(dāng)led_state == 2時(shí)不做任何操作
- }
- } else {
- key_pressed1 = 0; // 按鍵釋放，清除標(biāo)志
- }
- if(K15==0) //K15按下乙隊(duì)犯規(guī)清0
- {
- while(K15==0);
- LED1=0;
- LED2=0;
- if(K15==0) //松手檢測(cè)
- {
- while(K15==0);
- delay(20);
- }
- }
- if(K16==0) //K15按下乙隊(duì)犯規(guī)清0
- {
- while(K16==0);
- LED3=0;
- LED4=0;
- if(K16==0) //松手檢測(cè)
- {
- while(K16==0);
- delay(20);
- }
- }
-
- }
- //比賽倒計(jì)時(shí)/24s倒計(jì)時(shí)
- void counter_down()
- {
- uchar i;
- if(time>=20) //每1s倒計(jì)時(shí)做減一操作
- {
- miao--;
- aa--;
- write_com(0x80+0x4e); //24s倒計(jì)時(shí)顯示
- write_date(0x30+aa/10);
- write_date(0x30+aa%10);
- write_com(0x80+0x4e);
- if(aa==0) //24s結(jié)束發(fā)出3s連續(xù)報(bào)警
- {
- beep=1;
- delay(3000);
- beep=0;
- aa=24;
- }
- if((miao==0)&&(fen==0)) //檢測(cè)一節(jié)比賽是否結(jié)束
- {
- TR1=0; //定時(shí)器1暫停
- write_com(0x80+0x44);
- write_date(0x30);
- num++;
- aa=24; //24s計(jì)時(shí)復(fù)位
- write_com(0x80+0x4e); //24s倒計(jì)時(shí)顯示
- write_date(0x30+aa/10);
- write_date(0x30+aa%10);
- write_com(0x80+0x4e);
- if(num<5) //每節(jié)結(jié)束蜂鳴器發(fā)出8s的間斷報(bào)警
- {
- for(i=80;i>0;i--)
- {
- beep=1;
- delay(500);
- beep=0;
- delay(500);
- }
- }
- if(num==5) //終場(chǎng)結(jié)束，蜂鳴器發(fā)出10s的連續(xù)警報(bào)聲
- {
- beep=1;
- delay(10000);
- num=0;
- }
- beep=0; //蜂鳴器關(guān)閉
- write_com(0x80+0x4b); //更新"SEC-?"
- write_date(0x30+num);
- write_com(0x80+0x4b);
- miao=0; //倒計(jì)時(shí)復(fù)位
- fen=10;
- }
- if(miao<=0)
- {
- miao=59;
- fen--;
- }
- write_com(0x80+0x40); //更新倒計(jì)時(shí)顯示
- write_date(0x30+fen/10);
- write_date(0x30+fen%10);
- write_com(0x80+0x43);
- write_date(0x30+miao/10);
- write_date(0x30+miao%10);
- write_com(0x80+0x43);
- time=0;
- }
- }
- //主函數(shù)
- void main()
- {
- LCD1602_init();
- LED1 = 0; // 初始關(guān)閉LED1
- LED2 = 0; // 初始關(guān)閉LED2
- LED3 = 0; // 初始關(guān)閉LED1
- LED4 = 0; // 初始關(guān)閉LED2
- while(1)
- {
- keyscan(); //分?jǐn)?shù)按鍵檢測(cè)
- }
- }
- //外部0中斷子函數(shù)
- void wb0() interrupt 0 //比賽時(shí)間開始/暫停
- {
- TR1=~TR1; //定時(shí)器1工作/暫停
- if(TR1==1) //當(dāng)?shù)褂?jì)時(shí)工作時(shí)，S1按下定時(shí)器立即停止工作
- {
- PT1=0;
- }
- else //倒計(jì)時(shí)不工作時(shí)，S1按下倒計(jì)時(shí)立即工作
- {
- PT1=1;
- }
- if(K1==0) //松手檢測(cè)
- {
- while(K1==0);
- counter_down();
- // delay(20);
- }
- }
- //外部1中斷子函數(shù)
- void wb1() interrupt 2 //24s倒計(jì)時(shí)重新開始
- {
- aa=24;
- write_com(0x80+0x4e); //24s倒計(jì)時(shí)顯示
- write_date(0x30+aa/10);
- write_date(0x30+aa%10);
- write_com(0x80+0x4e);
- if(K2==0) //松手檢測(cè)
- {
- while(K2==0)
- {
- counter_down();
- }
- delay(20);
- }
- }
- //定時(shí)器1中斷子函數(shù)
- void t1() interrupt 3 //定時(shí)器1中斷20次為1s
- {
- time++;
- TL1=0x00;
- TH1=0x4c;
- counter_down(); //倒計(jì)時(shí)
- }
|
|
QQ好友和群
QQ空間
騰訊微博
騰訊朋友
收藏
淘帖
頂
踩
