单片机课程设计篮球比赛计分牌的设计

6.4篮球记分牌源程序 #include

#define uchar unsigned char #define uint unsigned int

sbit LED_GREEN=P3^2; //绿色指示灯 sbit LED_YELLOW=P3^3; //黄色指示灯 sbit LED_RAD=P3^4; //红色指示灯 sbit BELL=P3^7; //扬声器控制脚 unsigned char Sum1=0,Sum2=0;

unsigned char FlagStart=0;//开始标志 =1开始 =2暂停 =3停止 unsigned char CountSeg=8;

//数码管位扫描寄存器

unsigned char Miao=0; //秒显示计数器 unsigned char Fen=0; //分显示计数器 unsigned int CountT1=0;

unsigned char SegDat[8]={10,10,10,10,0,0,0,0}; //数码管显示缓存，

//计时数码管（SEGDAT[0],[1]) 计分

1

数码管

（SEGDAT[2],[3],[4],[5],计分2数码管（SEGDAT[6],[7],[8],[9] unsigned

code

Table1[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xFF};//字模0~9 - unsigned

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code

Table2[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f}; void ArmBell(void); void EndBell(void); void key_scan(void);

/****************T1 1MS定时中断***************/ void InitTimer1(void) {

TMOD = 0x10; TH1 = 0x0F8; TL1 = 0x30; EA = 1; ET1 = 1; TR1 = 1; }

/******************ms延时子程序*******************/ void delayms(unsigned int ms) {

unsigned char k; while (ms--) {

for (k = 0; k < 114; k++) ;

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} }

/****************主程序****************/ void main(void) {

uchar KeyValue;

P1=0xff;

LED_GREEN=1; LED_YELLOW=1; LED_RAD=1;

InitTimer1(); while(1) {

KeyValue=P1; if(KeyValue!=0xff) {

delayms(10);

KeyValue=P1; if(KeyValue!=0xff) {

if(KeyValue==0xf7)//开始 {

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}

FlagStart=1; LED_GREEN=0; LED_YELLOW=1; LED_RAD=1; Fen=10; Miao=0; CountT1=500; SegDat[0]=Fen/10; SegDat[1]=Fen; SegDat[2]=Miao/10; SegDat[3]=Miao;

else if(KeyValue==0xef)//暂停 {

if(FlagStart==1) {

FlagStart=2; LED_GREEN=1; LED_YELLOW=0; LED_RAD=1; }

else if(FlagStart==2)

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