這是原代碼？希望各位大神幫我修改，解決問題- #include <reg51.H>
- 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;
- sbit k_1=P3^0;
- sbit k_2=P3^1;
- sbit k_3=P3^2;
- sbit k_4=P3^3;
- sbit beep=P3^7;
- unsigned int ms; //毫秒
- unsigned int s,t0; //顯示值
- unsigned char biaozhi,buzhou=0; //搶答標志,步驟
- unsigned char led[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x40};
- void delay(unsigned int t)//延時
- {
- unsigned int i,j;
- for(i=0;i<t;i++)
- for(j=0;j<110;j++);
- }
- void disp()//顯示
- {
- unsigned int ge,shi;
- ge=s%10; //提取個位
- shi=s/10; //提取十位
- P2=0xfe;
- P0=led[ge]; //顯示個位
- delay(5);
- P2=0xfd;
- P0=led[shi]; //顯示十位
- delay(5);
- }
- void ea()//顯示開機界面
- {
- unsigned char ci;
- while(ci<200)//循環(huán)200次(持續(xù)一段時間)
- {
- P2=0xfe;
- P0=0x77; //顯示A
- delay(5);
- P2=0xfd;
- P0=0x79; //顯示E
- delay(5);
- ci++;
- }
- }
- void keys() //搶答按鍵
- { /*搶答之后顯示數(shù)值,改變標志終止搶答*/
- if(k1==0&&biaozhi==0){s=1;biaozhi=1;beep=0;delay(500);beep=1;}
- if(k2==0&&biaozhi==0){s=2;biaozhi=1;beep=0;delay(500);beep=1;}
- if(k3==0&&biaozhi==0){s=3;biaozhi=1;beep=0;delay(500);beep=1;}
- if(k4==0&&biaozhi==0){s=4;biaozhi=1;beep=0;delay(500);beep=1;}
- if(k5==0&&biaozhi==0){s=5;biaozhi=1;beep=0;delay(500);beep=1;}
- if(k6==0&&biaozhi==0){s=6;biaozhi=1;beep=0;delay(500);beep=1;}
- if(k7==0&&biaozhi==0){s=7;biaozhi=1;beep=0;delay(500);beep=1;}
- if(k8==0&&biaozhi==0){s=8;biaozhi=1;beep=0;delay(500);beep=1;}
- }
- void set_time() //設置時間,一次5秒
- {
- if(k_2==0&&biaozhi==0&&s>0)
- {
- while(k_2==0);
- s-=5;
- }
- if(k_3==0&&biaozhi==0&&s<95)
- {
- while(k_3==0);
- s+=5;
- }
- }
- void main()
- {
- /*配置定時器*/
- TMOD=0x01;
- TH0=(65536-50000)/256;
- TL0=(65536-50000)%256;
- EA=1;
- ET0=1;
- ea();//開機顯示EA
- while(1)
- {
- if(buzhou==0) set_time();
- if(k_1==0&&biaozhi==0&&P1==0xff&&s!=0)//開始搶答
- {
- while(k_1==0);
- for(t0=3;t0>0;t0--)
- {
- P2=0xfe;
- P0=led[t0]; //3秒倒計時
- beep=0;delay(80);beep=1;
- delay(1000);
- }
- P2=0xfc;
- P0=0x40;
- beep=0;delay(1000);beep=1;
- buzhou=1;
- TR0=1; //打開定時器開關
- }
- if(P1!=0xff&&buzhou==1&&t0==0) //搶答
- {
- TR0=0;//關閉定時器開關
- keys();
- buzhou=3;
- }
- if(k_4==0) //清除
- {
- beep=k_4;
- while(k_4==0);
- TR0=0;
- s=0;
- biaozhi=0;
- buzhou=0;
- beep=1;
- }
- disp(); //顯示
- }
- }
- void zhongduan() interrupt 1
- { /*啟動定時器*/
- TH0=(65536-50000)/256;
- TL0=(65536-50000)%256;//50000=50毫秒
- ms++;
- if(ms==20&&s>0)//50毫秒x20次=1秒
- {
- ms=0;
- s--; //倒計時
- if(s==0)
- {
- TR0=0;
- biaozhi=0;
- buzhou=0;
- beep=0;
- }
- }
- }
|
