单片机篮球计分器设计 24秒计时 Proteus仿真+源程序.rar

#include<reg51.h> sbit jsdao=P2^4; sbit SwapKey=P2^5; #define rest 0xfe #define inc1 0xfd #define inc2 0xfb #define inc3 0xf7 #define mennusel 0xef #define mennuenter 0xdf #define js_begin_over 0xbf #define t24s_js 0x7f #define keyup 0xff unsigned char led[16]={1,2,0,0,0,0,2,4,0,0,0,0,0,0,0,0}; unsigned char chang, led_number; unsigned char ts/*led2~3*/,t10ms/*led4~5*/, tm,/*led0~1*/ t24s,/*led6~7*/ t24s_t1s;/*led6~7*/ unsigned char t24s_flag;/*led6~7*/ unsigned char fenshu[2]={0,0};/*led8~11*/ unsigned char team=0;/*led8~11*/ unsigned char jieshu;/*P2第几节*/ unsigned char set_flag,shanshuo_led; unsigned int shanshuo_flag;/**/ void init(void);//初始化，开两个中断 unsigned char read_key(void);//键盘扫描 void delay(unsigned char m); void wait_key_up(void);//等待键释放 void key_chuli(unsigned char key);//键处理 void main(void) { /*============================================== 主程序 ================================================*/ unsigned char key; unsigned int fenshu1; init(); while(1) { key=read_key();//读取键值 if(key!=keyup)//如果有键按下 { key_chuli(key);//处理按键 wait_key_up();//等待按键释放 if(SwapKey==0) { ; } } } } void delay(unsigned char m) { unsigned char j; for(;m>0;m--) for(j=0;j<100;j++); } void init(void) { /*============================================== 初始化 ================================================*/ TMOD=0x11; TR1=1; ET1=1; ET0=1; EA=1; t24s=24; chang++; if(chang>4)chang=1; if(chang==1) { fenshu[0]=0; fenshu[1]=0; } P2=chang; jsdao=0; t10ms=0; ts=0; tm=12; t24s=24; t24s_flag=0; t24s_t1s=0; led[0]=tm/10; led[1]=tm%10; led[2]=ts/10; led[3]=ts%10; led[4]=t10ms/10; led[5]=t10ms%10; led[6]=t24s/10; led[7]=t24s%10; led[9]=fenshu[0]/100; led[10]=fenshu[0]%100/10; led[11]=fenshu[0]%10; led[13]=fenshu[1]/100; led[14]=fenshu[1]%100/10; led[15]=fenshu[1]%10; } unsigned char read_key(void) { /*============================================== 读键值 ================================================*/ unsigned char key_temp; key_temp=P3; key_temp&=0xff; if(key_temp!=0xff) { delay(4); key_temp=P3; key_temp&=0xff; if(key_temp!=0xff) { key_temp=P3; key_temp&=0xff; } } return key_temp; } void wait_key_up(void) { /*============================================== 等待键释放 ================================================*/ unsigned char key_temp; do{ key_temp=P3; key_temp&=0xff; } while(key_temp!=0xff); } void key_chuli(unsigned char key) { /*============================================== 按键处理 ================================================*/ switch(key) { case rest :init(); TR0=0; break; case inc1:if(set_flag) { fenshu[team]++; if(!team) { led[9]=fenshu[team]/10/10; led[10]=fenshu[team]/10; led[11]=fenshu[team]%10; } else{ led[13]=fenshu[team]/10/10; led[14]=fenshu[team]/10; led[15]=fenshu[team]%10; } } break; case inc2 :if(set_flag) { fenshu[team]=fenshu[team]+2; if(!team) { led[9]=fenshu[team]/10/10; led[10]=fenshu[team]/10; led[11]=fenshu[team]%10; } else{ led[13]=fenshu[team]/10/10; led[14]=fenshu[team]/10; led[15]=fenshu[team]%10; } } break; case inc3 :if(set_flag) { fenshu[team]=fenshu[team]+3; if(!team) { led[9]=fenshu[team]/10/10; led[10]=fenshu[team]/10; led[11]=fenshu[team]%10; } else{ led[13]=fenshu[team]/10/10; led[14]=fenshu[team]/10; led[15]=fenshu[team]%10; } } break; case mennusel: set_flag=1;team=!team;break; case mennuenter :set_flag=0; break; case js_begin_over : TR0=~TR0; jsdao=0; if(!TR0)t24s_flag=0; else t24s_flag=1; break; case t24s_js : t24s_flag=1;t24s=24; jsdao=0; break; } } void t0(void) interrupt 3 using 1/*数码管显示中断*/ { /*======================================================== 3ms中断显示扫描。 =========================================================*/ TH1=0xf4; TL1=0x48; /*闪烁效果*/ if(set_flag) { if(team==0)shanshuo_led=8; else shanshuo_led=12; if(led_number==shanshuo_led) if(shanshuo_flag>120) { led_number=led_number+4; if(led_number==16)led_number=0; } shanshuo_flag++; if(shanshuo_flag==200)shanshuo_flag=0; } P1=led[led_number]+led_number*16; led_number++; if(led_number==16)led_number=0; led[0]=tm/10; led[1]=tm%10; led[2]=ts/10; led[3]=ts%10; led[4]=t10ms/10; led[5]=t10ms%10; led[6]=t24s/10; led[7]=t24s%10; } void t1(void) interrupt 1 using 0 { /*================================================ 10ms计时中断 =================================================*/ TH0=0xd8; TL0=0xf0; if(t10ms==0) {//倒计时 t10ms=100; if(ts==0) { tm--; ts=60; if(tm==0&&t10ms==100)jsdao=1; } ts--; } t10ms--; if(t24s_flag) { t24s_t1s++; if(t24s_t1s==100) { t24s_t1s=0; t24s--; if(t24s==0) { jsdao=1; TR0=0; t24s=24; } } } }