篮球计时计分系统

1、篮球计时计分系统摘要：本系统根据篮球比赛过程中计时计分等基本功能设计而成。在以AT89S52单片机为核心实现计时计分基本功能之外，还增加了比赛过程中常见的双方犯规、失误、篮板等记录，从而使系统更具有高度的应用价值和实用功能。关键词：AT89S52、LCD1602、计时、计分、倒计时、复用一、方案设计思路1、实现最基本的篮球计分功能，在此功能基础上扩展一个中场分数切换功能。2、计时全场计时或者分节计时、进攻24秒、3秒禁区功能。3、矩阵键盘功能，利用键盘控制分数的加减（+1、+2、+3、-1、中场分数切换），系统的启动、暂停、复位，等等。并应用键盘中各键的复用进行比赛过程中犯规、失误、篮板等的记

2、录。4、发光二极管的使用，进行倒计时的报警。二、设计系统框图LCDTC1602A矩阵键盘AT89S52 报警器晶体振荡器系统框图如上图所示，整个系统采用AT89S52作为中央处理芯片，用于提供时钟、数据处理、显示控制等。矩阵键盘起到控制倒计时、分数加减、系统的启动、暂停、复位等等。三、电路实现仿真图及其主要器件性能分析图表 1 硬件设计电路图表1为实现篮球计时计分系统所使用的电子元件芯片及具体的连接电路。AT89S52单片机内带有程序寄存器，无须外扩程序存储器，外接12MHz晶振电路和复位电路。按键电路由矩阵键盘组成，由P1口控制，通过按键可进行各种功能的实现。 LCD1602是一款很常用，也

3、很易用的字符液晶显示器。可以显示2行每行16个字符。电源范围4.5V-5.5V，数据总线4/8线均可。四、参考文献1 代启化 基于Protues 的电路设计与仿真 现代电子技术 20062 沈德金 单片机实验与实践教程 北京航空航天大学出版社 20013 耿长青 单片机应用技术 北京化工出版社 20024 周立功 单片机实验与实践教程 20065 马忠梅 单片机C语言Windows环境编程宝典 2003附件：（程序）/*主程序*/#include "reg52.h"#include "LCD1602.h"#include "intrins.h&

4、quot;unsigned int Count = 0;unsigned char t;unsigned int a=0;unsigned int b=0;int msec1 = 0;int msec2 = 0;int msec3 =0;int sec = 0;int dao=3;int min= 12;int second =24;unsigned int Jgeiwei=0;unsigned int Ygeiwei=0;unsigned int m,m1=0;unsigned int n,n1=0;unsigned int x1=0,y1=0,z1=0,s1=0,p1=0;unsigned

5、 int x2=0,y2=0,z2=0,s2=0,p2=0;unsigned char a1,b1,c1,d1;unsigned char TempBuffer16;unsigned char Score16='A','-','0','0','0',':','0','0','0','-','B',' ','3',':','0','0'unsi

6、gned char key;unsigned char temp;unsigned char k;sbit p20=P20;void keyscan();void delay();void t0_init();void t1_init();void uart_init();void Sdisplay();void display1();void display2();void display3();void display4();void display5();void display6();void display7();void display8();void display9();voi

7、d display10();void display11();void display12();void display13();void display14();void display15();void display16();void Delay1ms(unsigned char count);void Dispaly(unsigned char k);timer0() interrupt 1 using 1 TH0=0X0D8;TL0=0X0F0;p20=1;Count+;if(Count!=1)return;else if(min=12&&sec=0&&

8、;msec1=0)min=11;sec=59;msec1=99;Count=0;msec1-;if(msec1<0)msec1=99;sec-; if(sec<0)sec=59;min-;if(msec1=99&&sec=60)sec=59; timer1() interrupt 3 using 2 TH1=0X0D8; TL1=0X0F0;p20=1;Count+;if(Count!=1)return;elseif(msec2=0&&dao=3) dao=2;msec2=99;Count=0;msec2-;if(msec2<0)msec2=9

9、9;dao-; timer2() interrupt 5 using 3 TF2=0;TH2=0xD8;TL2=0xF0;p20=1;Count+;if(Count!=1)return;else if(msec3=0&&second=24)second=23;msec3=99; Count=0;msec3-;if(msec3<0)msec3-;msec3=99;second-; void Sdisplay()TempBuffer15=(msec3%10)+'0'TempBuffer14=(msec3/10)+'0'TempBuffer13=

10、':'TempBuffer12=(second%10)+'0'TempBuffer11=(second/10)+'0'TempBuffer10=' 'TempBuffer9=' 'TempBuffer8=' 'TempBuffer7=(msec1%10)+'0'TempBuffer6=(msec1/10)+'0'TempBuffer5=':'TempBuffer4=(sec%10)+'0'TempBuffer3=(sec/10)+

11、9;0'TempBuffer2=':'TempBuffer1=(min%10)+'0'TempBuffer0=(min/10)+'0'Score0=Score0;Score1=Score1;Score2=(Jgeiwei/100)+'0'm=Jgeiwei%100;Score3=(m/10)+'0'n=m%10;Score4=(n%10)+'0' Score5=':' Score6=(Ygeiwei/100)+'0'm=Ygeiwei%100;Score7=(

12、m/10)+'0'n=m%10;Score8=(n%10)+'0'Score9=Score9;Score10=Score10; Score11=' 'Score12=(dao%10)+'0'Score13=':'Score14=(msec2/10)+'0'Score15=(msec2%10)+'0' GotoXY(0,0);Print(&TempBuffer0);GotoXY(0,1); Print(&Score0);void S1display()TempBuffe

13、r15=' 'TempBuffer14='l'TempBuffer13='u'TempBuffer12='o'TempBuffer11='F'TempBuffer10=(m1%10)+'0'TempBuffer9=(m1/10)+'0'TempBuffer8=':'TempBuffer7='S'TempBuffer6='C'TempBuffer5='I'TempBuffer4='T'TempBuffer3

14、='L'TempBuffer2='E'TempBuffer1='C'TempBuffer0=' 'GotoXY(0,0);Print(&TempBuffer0);Score0=' 'Score1='L'Score2='A'Score3='K'Score4='E'Score5='R'Score6='S' Score7=':' Score8=' 'Score10=(n1%10)+

15、9;0'Score9=(n1/10)+'0'Score11='F'Score12='o'Score13='u'Score14='l'Score15=' 'GotoXY(0,1);Print(&Score0);void S2display()TempBuffer15='S'TempBuffer14='B'TempBuffer13='E'TempBuffer12='R'TempBuffer11=(z1%10)+'0&

16、#39;TempBuffer10=(z1/10)+'0'TempBuffer9=')'TempBuffer8='3'TempBuffer7='('TempBuffer6=(y1%10)+'0'TempBuffer5=(y1/10)+'0'TempBuffer4='/'TempBuffer3=(x1%10)+'0'TempBuffer2=(x1/10)+'0'TempBuffer1=':'TempBuffer0='A'Go

17、toXY(0,0);Print(&TempBuffer0);Score15=' 'Score14='S'Score13='I'Score12='M'Score11=(p1%10)+'0'Score10=(p1/10)+'0'Score9=' 'Score8='S'Score7='T'Score6='S'Score5='I'Score4='S'Score3='S'Score2=

18、9;A'Score1=(s1%10)+'0'Score0=(s1/10)+'0'GotoXY(0,1);Print(&Score0);void S3display()TempBuffer15='S'TempBuffer14='B'TempBuffer13='E'TempBuffer12='R'TempBuffer11=(z2%10)+'0'TempBuffer10=(z2/10)+'0'TempBuffer9=')'TempBuffer

19、8='3'TempBuffer7='('TempBuffer6=(y2%10)+'0'TempBuffer5=(y2/10)+'0'TempBuffer4='/'TempBuffer3=(x2%10)+'0'TempBuffer2=(x2/10)+'0'TempBuffer1=':'TempBuffer0='B'GotoXY(0,0);Print(&TempBuffer0);Score15=' 'Score14='S&#

20、39;Score13='I'Score12='M'Score11=(p2%10)+'0'Score10=(p2/10)+'0'Score9=' 'Score8='S'Score7='T'Score6='S'Score5='I'Score4='S'Score3='S'Score2='A'Score1=(s2%10)+'0'Score0=(s2/10)+'0'GotoXY(0,

21、1);Print(&Score0);void close()if(min=0&&sec=0&&msec1=0)p20=0;min=12;sec=0;msec1=0;second=24;msec3=0;dao=3;msec2=0;Sdisplay(); EA=0;if(second=0&&msec3=0|dao=0&&msec2=0)p20=0;second=24;msec3=0;dao=3;msec2=0;Sdisplay(); EA=0;void t2_init(void) RCAP2H=0xD8;RCAP2L=0xF0

22、;main() EA=1;t0_init();t1_init();t2_init();uart_init(); TR0=0;ET0=0;TR1=0;ET1=0;TR2=0;ET2=0; LCD_Initial(); while(1)keyscan();while(a=1)unsigned char code TempBuffer16=" NBA FINALS " unsigned char code Score16="CELTICS : LAKERS" GotoXY(0,0);Print(&TempBuffer0);GotoXY(0,1); Pr

23、int(&Score0);keyscan(); while(a=2) S2display();keyscan();while(a=3) S3display();keyscan();while(b=1|b=2) S1display();keyscan(); Sdisplay();close();void uart_init(void)SCON=0;/* 串口工作方式0输出(不允许接收) */void t0_init(void)TMOD=0x11;/* T0定时方式1 */TH0=0xD8;TL0=0xF0;void t1_init(void)TMOD=0x11;/* T1定时方式1 */

24、TH1=0xD8;TL1=0xF0;void keyscan()unsigned char n;P1=0xfe;n=P1;n&=0xf0;if(n!=0xf0)delay();P1=0xfe;n=P1;n&=0xf0;if(n!=0xf0) switch(n) case(0xe0):key=1;break; case(0xd0):key=2;break; case(0xb0):key=3;break; case(0x70):key=4;break; P1=0xfd;n=P1;n&=0xf0;if(n!=0xf0)delay();P1=0xfd;n=P1;n&=0

25、xf0;if(n!=0xf0) switch(n) case(0xe0):key=5;break; case(0xd0):key=6;break; case(0xb0):key=7;break; case(0x70):key=8;break; P1=0xfb;n=P1;n&=0xf0;if(n!=0xf0)delay();P1=0xfb;n=P1;n&=0xf0;if(n!=0xf0) switch(n) case(0xe0):key=9;break; case(0xd0):key=10;break; case(0xb0):key=11;break; case(0x70):ke

26、y=12;break; P1=0xf7;n=P1;n&=0xf0;if(n!=0xf0)delay();P1=0xf7;n=P1;n&=0xf0;if(n!=0xf0) switch(n) case(0xe0):key=13;break; case(0xd0):key=14;break; case(0xb0):key=15;break; case(0x70):key=16;break; Dispaly(key);void Dispaly(unsigned char k) if(k=1) display1();key=0; else if(k=2) display2();key=

27、0; else if(k=3) display3();key=0; else if(k=4) display4();key=0; else if(k=5) display5();key=0; else if(k=6) display6();key=0; else if(k=7) display7();key=0; else if(k=8) display8();key=0; else if(k=9) display9();key=0; else if(k=10) display10();key=0; else if(k=11) display11();key=0; else if(k=12)

28、display12();key=0; else if(k=13) display13();key=0; else if(k=14) display14();key=0; else if(k=15) display15();key=0; else if(k=16) display16();key=0; void display1()EA=1;ET0=1;TR0=1;ET2=1;TR2=1;void display2() if(a=0)second=24;msec3=0;dao=3;msec2=0;Sdisplay();if(a=2)p1+;Delay1ms(100);void display3(

29、)if(a=0)Jgeiwei+;second=24;msec3=0;dao=3;msec2=0;EA=0;Delay1ms(100);if(a=2)x1+;Delay1ms(100);void display4()if(a=0)Ygeiwei+;second=24;msec3=0;dao=3;msec2=0;EA=0;Delay1ms(100);if(a=3)x2+;Delay1ms(100);void display5()EA=0;ET0=0;TR0=0;ET1=0;TR1=0;ET2=0;TR2=0;if(b=1)m1+;Delay1ms(100);if(b=2)n1+;Delay1ms

30、(100); void display6() if(a=0)a1=Score0;b1=Score1;c1=Score9;d1=Score10;a+;if(a=4)a=0;Score0=a1;Score1=b1;Score9=c1;Score10=d1;Delay1ms(100); void display7() if(a=0)Jgeiwei=Jgeiwei+2; second=24;msec3=0;dao=3;msec2=0;EA=0;Delay1ms(100);if(a=2)y1+; Delay1ms(100);void display8()if(a=0) Ygeiwei=Ygeiwei+2

31、;second=24;msec3=0;dao=3;msec2=0;EA=0;Delay1ms(100);if(a=3)y2+;Delay1ms(100); void display9() EA=1;ET0=1;TR0=1;ET1=1;TR1=1;ET2=1;TR2=1;void display10() if(b=0)a1=Score0;b1=Score1;c1=Score9;d1=Score10;b+;if(b=3)b=0;Score0=a1;Score1=b1;Score9=c1;Score10=d1;Delay1ms(100);void display11() if(a=0)Jgeiwei

32、=Jgeiwei+3; second=24;msec3=0;dao=3;msec2=0;EA=0;Delay1ms(100);if(a=2)z1+;Delay1ms(100); void display12() if(a=0)Ygeiwei=Ygeiwei+3;second=24;msec3=0;dao=3;msec2=0;EA=0;Delay1ms(100);if(a=3)z2+; Delay1ms(100);void display13()dao=3;msec2=0;Sdisplay();ET1=0;TR1=0;void display14()if(a=0) t=Jgeiwei;Jgeiw

33、ei=Ygeiwei;Ygeiwei=t;t=Score10;Score10=Score0;Score0=t;Delay1ms(100);if(a=3)p2+;Delay1ms(100);void display15()if(a=0)Jgeiwei-; second=24;msec3=0;dao=3;msec2=0;EA=0;Delay1ms(100);if(a=2)s1+;Delay1ms(100);void display16() if(a=0)Ygeiwei-; second=24;msec3=0;dao=3;msec2=0;EA=0;Delay1ms(100);if(a=3)s2+;D

34、elay1ms(100);void delay()unsigned char i,j;for(i=0;i<20;i+)for(j=0;j<250;j+) void Delay1ms(unsigned char count)unsigned int i,j;for(i=0;i<count;i+)for(j=0;j<250;j+);/*LCD1602.h*/#ifndef LCD_CHAR_1602_2005_4_9#define LCD_CHAR_1602_2005_4_9#include <intrins.h>/Port Definitions*sbit LcdRs= P25;sbit LcdRw= P26;sbit LcdEn = P27;sfr DBPort = 0x80;/P0=0x80,P1=0x90,P2=0xA0,P3=0xB0.数据端口/内部等待函数*unsigned char LCD_Wait(void)LcdRs=0;LcdRw=1;_nop_();LcdEn=1;_nop_();LcdEn=0;return DBPort;/向LCD写入命令或数据*#define LCD_COMMAND0 / Command#define LCD_DATA1 /