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程序里面有交換場地,但是按鈕還沒有接,問如何接?
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下載附件
程序里面有交換場地
2019-7-1 23:27 上傳
- #include<reg51.h>//51單片機頭文件
- typedef unsigned char uchar;
- typedef unsigned int uint;
- sbit K1=P3^2;//比賽倒計時開始/暫停
- sbit K2=P3^3;//24s倒計時重新開始
- sbit P20=P2^0;//乙隊+1按鍵
- sbit P21=P2^1;//乙隊+2按鍵
- sbit P22=P2^2;//甲隊+1按鍵
- sbit P23=P2^3;//甲隊+2按鍵
- sbit P24=P2^4;//甲隊+3按鍵
- sbit P25=P2^5;//乙隊+3按鍵
- sbit P26=P2^6;//預留按鍵
- sbit P27=P2^7;
- sbit beep=P3^6;//蜂鳴器接口
- sbit RS=P1^0;
- sbit RW=P1^1;
- sbit E=P1^2;
- char second,minute,num,time,aa;
- uchar dd,bb,cc;
- uchar code table1[]={"H.T 000:000 T.H "};
- uchar code table2[]={"12:00 SEC-1 24"};
- //延時子函數
- 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
- void write_com(uchar com)
- {
- RW=0;
- RS=0;
- P0=com;
- delay(5);
- E=1;
- delay(5);
- E=0;
- }
- //LCD1602液晶寫數據子函數
- void write_date(uchar date)
- {
- RW=0;
- RS=1;
- P0=date;
- delay(5);
- E=1;
- delay(5);
- E=0;
- }
- //LCD1602液晶初始化子函數
- void LCD1602_init()
- {
- uchar i;
- bb=0; //H.T分數初始化
- cc=0; //T.H分數初始化
- time=0;
- TMOD=0x10; //定時器1初始化
- TL1=0x00;
- TH1=0x4c;
- EA=1; //開總中斷
- ET1=1; //開定時器1
- TR1=0; //開中斷0
- EX1=1; //開中斷1
- IT0=1; //中斷0為邊沿觸發
- IT1=1; //中斷1為邊沿觸發
- E=0;
- beep=0;
- second=0;
- minute=12;
- num=1;
- aa=24;
- write_com(0x38); //LCD設置初始化
- 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]);
- }
- }
- //分數更新子函數
- 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
- void keyscan()
- {
- P2=0xf0;
- if((P2&0xf0)!=0xf0)
- {
- delay(20);
- }
- if((P2&0xf0)!=0xf0)
- {
- P2=0xf7;
- if(P24==0)
- {
- while(P24==0); //P24按下H.T分數加1
- bb++;
- point_lcd(0x04,bb);
- if(P24==0)
- {
- while(P24==0);
- delay(20);
- }
- }
- else if(P25==0) //P25按下H.T分數加2
- {
- while(P25==0);
- bb=bb+2;
- point_lcd(0x04,bb);
- if(P25==0)
- {
- while(P25==0);
- delay(20);
- }
- }
- else if(P26==0) //P26按下H.T分數加3
- {
- while(P26==0);
- bb=bb+3;
- point_lcd(0x04,bb);
- if(P26==0)
- {
- while(P26==0);
- delay(20);
- }
- else if(P27==0) //P27按下T.H分數加一
- {
- while(P27==0);
- cc++;
- point_lcd(0x08,cc);
- if(P27==0)
- while(P27==0);
- delay(20);
- }
- }
- P2=0xfb;
- if(P24==0) //P24按下T.H分數加2
- {
- while(P24==0);
- cc=cc+2;
- point_lcd(0x08,cc);
- if(P24==0)
- {
- while(P24==0);
- delay(20);
- }
- }
- else if(P25==0) //P25按下T.H分數加3
- {
- while(P25==0);
- cc=cc+3;
- point_lcd(0x08,cc);
- if(P25==0)
- {
- while(P25==0);
- delay(20);
- }
- }
- else if(P26==0) //P26按下交換比分
- {
- while(P26==0);
- dd=bb;
- bb=cc;
- cc=dd;
- point_lcd(0x08,cc);
- point_lcd(0x04,bb);
- if(P26==0)
- {
- while(P26==0);
- delay(20);
- }
- }
- }
- //比賽倒計時/24s倒計時
- void counter_down()
- {
- uchar i;
- if(time>=20) //每1s倒計時做減一操作
- {
- second--;
- aa--;
- write_com(0x80+0x4e); //24s倒計時顯示
- write_date(0x30+aa/10);
- write_date(0x30+aa%10);
- write_com(0x80+0x4e);
- beep=1;
- if(aa==0) //24s結束發出連續報警
- {
- beep=0;
- delay(3000);
- beep=1;
- aa=24;
- }
- if((second==0)&&(minute==0)) //檢測一節比賽是否結束
- {
- TR1=0; //定時器1暫停
- write_com(0x80+0x44);
- write_date(0x30);
- num++;
- aa=24; //24s計時復位
- write_com(0x80+0x4e); //24s倒計時顯示
- write_date(0x30+aa/10);
- write_date(0x30+aa%10);
- write_com(0x80+0x4e);
- if(num<5) //每節結束蜂鳴器發出間斷報警
- {
- for(i=80;i>0;i--)
- {
- beep=0;
- delay(500);
- beep=1;
- delay(500);
- }
- }
- if(num==5) //終場結束,蜂鳴器發出連續警報聲
- {
- beep=0;
- delay(10000);
- num=0;
- }
- beep=1; //蜂鳴器關閉
- write_com(0x80+0x4b); //更新"SEC-?"
- write_date(0x30+num);
- write_com(0x80+0x4b);
- second=0; //倒計時復位
- minute=12;
- }
- if(second==-1)
- {
- second=59;
- minute--;
- }
- write_com(0x80+0x40); //更新倒計時顯示
- write_date(0x30+minute/10);
- write_date(0x30+minute%10);
- write_com(0x80+0x43);
- write_date(0x30+second/10);
- write_date(0x30+second%10);
- write_com(0x80+0x43);
- time=0;
- }
- }
復制代碼
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