单片机乒乓球比赛Proteus仿真+PCB原理图+源程序 -

#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
#define SEG P2
sbit KEY_A_START = P1^4;
sbit KEY_A_HIT = P1^5;
sbit KEY_B_START = P1^6;
sbit KEY_B_HIT = P1^7;
sbit SCAN1 = P3^4;
sbit SCAN2 = P3^5;
sbit SCAN3 = P3^6;
sbit SCAN4 = P3^7;
sbit LED1 = P0^0;
sbit LED2 = P0^1;
sbit LED3 = P0^2;
sbit LED4 = P0^3;
sbit LED5 = P0^4;
sbit LED6 = P0^5;
sbit LED7 = P0^6;
sbit LED8 = P0^7;
sbit LED9 = P1^0;
sbit LED10 = P1^1;
sbit LED11 = P1^2;
sbit LED12 = P1^3;
uchar A_num = 0;
uchar B_num = 0;
uchar number=0;
uchar display=0;//数码管刷新
uchar ball_time = 300;
uchar ball_num = 0;
uchar flag_ball = 0;
uchar ball_state = 0;
uchar flag_A_B = 0;
uchar distab[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
void scan_ball();
void delay(uint j) //1ms
{
uchar i=250;
for(;j>0;j--)
{
while(--i);
i=249;
while(--i);
i=250;
}
}
void None_LED()
{
LED1=1;
LED2=1;
LED3=1;
LED4=1;
LED5=1;
LED6=1;
LED7=1;
LED8=1;
LED9=1;
LED10=1;
LED11=1;
LED12=1;
}
void Key_scan()
{
if(KEY_A_START==0)//按下甲开始按键
{
delay(10);
if(KEY_A_START==0)
{
while(KEY_A_START==0);
flag_A_B=1;
flag_ball=1;
}
}else if(KEY_A_HIT==0)//按下甲击球按键
{
delay(10);
if(KEY_A_HIT==0)
{
flag_A_B=0;
scan_ball();
while(KEY_A_HIT==0);
if(ball_state==2)
{
A_num++;
None_LED();
flag_ball=0;
}else
{
flag_A_B=1;
}
}
}else if(KEY_B_START==0)//按下乙开始按键
{
delay(10);
if(KEY_B_START==0)
{
while(KEY_B_START==0);
flag_A_B=2;
flag_ball=12;
}
}else if(KEY_B_HIT==0)//按下乙击球按键
{
delay(10);
if(KEY_B_HIT==0)
{
flag_A_B=0;
scan_ball();
while(KEY_B_HIT==0);
if(ball_state==1)
{
B_num++;
None_LED();
flag_ball=0;
}else
{
flag_A_B=2;
}
}
}
}
void scan_ball()//返回当前球的位置 0 未发球 1在A球区 2 在B球区
{
if((LED9 & LED10 & LED11 & LED12)==1)
{
ball_state=1;
}else
{
ball_state=2;
}
}
void main()
{
TMOD |= 0x01;
TH0=0XFC;
TL0=0X18;
TR0=1;
ET0=1;
EA=1;
while(1)
{
Key_scan();
}
}
void t0isr() interrupt 1//定时器0函数
{
TH0=0XFC;
TL0=0X18;
display++;
ball_num++;
if(display==2)
{
display=0;
SEG=0xff;
switch(number)
{
case 0:SCAN4=1;SCAN3=0;SCAN2=0;SCAN1=0;SEG=distab[A_num%10];break;
case 1:SCAN4=0;SCAN3=1;SCAN2=0;SCAN1=0;;SEG=distab[A_num/10];break;
case 2:SCAN4=0;SCAN3=0;SCAN2=1;SCAN1=0;SEG=distab[B_num%10];break;
case 3:SCAN4=0;SCAN3=0;SCAN2=0;SCAN1=1;;SEG=distab[B_num/10];break;
default:break;
}
number++;
if(number>3)number=0;
}
if(ball_num==ball_time)
{
ball_num=0;
None_LED();
switch(flag_ball)
{
case 1:LED1=0;break;
case 2:LED2=0;break;
case 3:LED3=0;break;
case 4:LED4=0;break;
case 5:LED5=0;break;
case 6:LED6=0;break;
case 7:LED7=0;break;
case 8:LED8=0;break;
case 9:LED9=0;break;
case 10:LED10=0;break;
case 11:LED11=0;break;
case 12:LED12=0;break;
}
if(flag_A_B==1)
{
flag_ball++;
}else if(flag_A_B==2)
{
flag_ball--;
}
if(flag_ball==13 && flag_A_B==1)
{
if(B_num!=20)
{
B_num++;
flag_A_B=0;
}
else if(B_num==20)
{
flag_A_B=0;
A_num=0;
B_num=0;
}
None_LED();
flag_ball=0;
}else if(flag_ball==0 && flag_A_B==2)
{
if(A_num!=20)
{
A_num++;
flag_A_B=0;
}
else if(A_num==20)
{
flag_A_B=0;
A_num=0;
B_num=0;
}
None_LED();
flag_ball=0;
}
}
}

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