51单片机的比赛计时计分系统Proteus仿真软硬件

#include<reg51.h> #define uchar unsigned char #define uint unsigned int sbit Score_Select=P2^6; sbit Time_Select=P2^7; uchar table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d, 0x7d,0x07,0x7f,0x6f,0x80,0x40,0x00,0x76};//0-9数字，后面为". - 熄灯 H" uchar msec; unsigned char key_down=0;//键按下和松开状态指示，防止重复读取键值 /*****50msec定时器0中断*****/ void T0_int() interrupt 1 { TH0=0x3c; //50ms定时 TL0=0xB0; msec++; } /*****延时子程序*****/ void delay(uint t) { for(;t>0;t--); } /*--------------------------------------------------------*/ /*4*4矩阵键盘键值扫描程序 */ /*返回按键的数字值 */ /*--------------------------------------------------------*/ uchar key_scan(void) { uchar key,key_val; P1=0xf0;//低位行线送低电平 key=P1;//读取高位列线电平 if(key!=0xf0)//是否有键按下 { if(key_down==0)//之前没有按键按下 { key_down=1;//置按键按下标志 delay(5000); //延时去抖动5ms key=P1;//再读取高位列线电平 if(key!=0xf0)//确认有键按下 { P1=0x0f;//高位列线拉低回送 key|=P1;//读取低位行线电平并与原高位列电平组合得到键扫描码 } else return 0xff;//按键干扰，返回无效按键键值 } else return 0xff;//按键按下未松开，返回无效按键键值 } else { if(key_down==1) key_down=0;//键松开，清按键标志 return 0xff;//返回无效按键键值 } switch(key) { //第一行按键 case 0xee: key_val=1; break; case 0xde: key_val=2; break; case 0xbe: key_val=3; break; case 0x7e: key_val=15; break; //第二行按键 case 0xed: key_val=4; break; case 0xdd: key_val=5; break; case 0xbd: key_val=6; break; case 0x7d: key_val=14; break; //第三行按键 case 0xeb: key_val=7; break; case 0xdb: key_val=8; break; case 0xbb: key_val=9; break; case 0x7b: key_val=13; break; //第四行按键 case 0xe7: key_val=10; break; case 0xd7: key_val=0; break; case 0xb7: key_val=11; break; case 0x77: key_val=12; break; default: key_val=0xff;//无效按键键值 break; } return key_val; } main() { uchar sec,minute,hour; char count_sec,count_minute,count_hour,count_pause; uchar set_hour,set_minute,set_sec,set_count; long set_count_time,temp; int temp1; uchar time_set,time_set_bit,time_disp,time[8]; uchar team,one_flash; uchar score_set,inv; int score_add,score[2]; uchar keyvalue; uchar i; team=0; inv=0; score_set=0; score_add=0; score[0]=score[1]=0; time_set=time_set_bit=time_disp=0; time[0]=time[1]=0; msec=0; sec=50; minute=59; hour=23; count_sec=count_minute=count_hour=count_pause=0; set_hour=set_minute=set_sec=set_count=set_count_time=0; IT0=1; EX0=1; TMOD=0x11; TH0=0x3C; TL0=0xB0; ET0=1; TR0=1; EA=1; while(1) { keyvalue=key_scan(); switch(keyvalue) { case 15://Time Set if(time_set==0){ time_set=1;//标志时钟设置 i=2; time[i++]=hour/10; time[i++]=hour%10; time[i++]=minute/10; time[i++]=minute%10; time[i++]=sec/10; time[i++]=sec%10; }else if(time_set==1){ time_set=2;//标志计时设置 i=2; time[i++]=set_hour/10; time[i++]=set_hour%10; time[i++]=set_minute/10; time[i++]=set_minute%10; time[i++]=set_sec/10; time[i++]=set_sec%10; }else if(time_set==2){ time_set=3;//标志倒计时设置 }else if(time_set>=3) time_set=0;//标志退出时间设置状态 time_set_bit=0; break; case 14://Score Set score_set=1; team^=1; break; case 13://OK Confirm if(score_set) { score_set=0; if(inv) score_add=~score_add+1; score[team]+=score_add; if(score[team]<0) score[team]=0; score_add=0; inv=0; } if(time_set==1) {//时钟设置 time_set=0;//标志退出时间设置 time_disp=0;//标志时钟显示 hour=time[2]*10+time[3]; minute=time[4]*10+time[5]; sec=time[6]*10+time[7]; msec=0; } if(time_set==2) {//计时设置 time_set=0; time_disp=1;//标志计时显示 set_hour=time[2]*10+time[3]; set_minute=time[4]*10+time[5]; set_sec=time[6]*10+time[7]; set_count_time=set_hour*3600+set_minute*60+set_sec; count_sec=count_minute=count_hour=0; } if(time_set==3) {//倒计时设置 time_set=0; time_disp=2;//标志倒计时显示 set_hour=time[2]*10+time[3]; set_minute=time[4]*10+time[5]; set_sec=time[6]*10+time[7]; set_count_time=(long)(set_hour)*3600+set_minute*60+set_sec; count_sec=count_minute=count_hour=0; } break; case 12://ESC Cancel score_set=0; score_add=0; time_set=0; break; case 11://Point count_pause^=1; break; case 10://+/- Add/Sub Point inv^=1; break; case 0xFF:break; default://Num key down if(score_set) { score_add*=10; score_add+=keyvalue; } if(time_set) { time[time_set_bit]=keyvalue; time_set_bit++; if(time_set_bit>=8) time_set_bit=0; } break; } if(msec>=20) { sec++; if(count_pause==0) count_sec++; msec-=20; // interval_time++; //计算间隔+1秒 // if(key_hold==2) key_hold_sec++;//按键按下时间+1秒 } //实时时钟计数 if(sec>=60) { minute++; sec-=60; } if(minute>=60) { hour++; minute-=60; } if(hour>=24) { hour=0; } //计时时钟 if(count_sec>=60) { count_minute++; count_sec-=60; } if(count_minute>=60) { count_hour++; count_minute-=60; } if(count_hour>=24) { count_hour=0; } if(msec%10==5) one_flash=0; if(score_set && msec%10==0) one_flash=1; if(score_set && one_flash && team==0 ) i=4; else{ i=0; P0=table[1]; P2=i; Score_Select=1; delay(250); Score_Select=0; i++; P0=table[score[0]/100]; P2=i; Score_Select=1; delay(250); Score_Select=0; i++; P0=table[(score[0]%100)/10]; P2=i; Score_Select=1; delay(250); Score_Select=0; i++; P0=table[(score[0]%100)%10]; P2=i; Score_Select=1; delay(250); Score_Select=0; i++; } if(score_set && one_flash && team==1 ) i=8; else{ P0=table[2]; P2=i; Score_Select=1; delay(250); Score_Select=0; i++; P0=table[score[1]/100]; P2=i; Score_Select=1; delay(250); Score_Select=0; i++; P0=table[(score[1]%100)/10]; P2=i; Score_Select=1; delay(250); Score_Select=0; i++; P0=table[(score[1]%100)%10]; P2=i; Score_Select=1; delay(250); Score_Select=0; i++; } if(time_set==0) { if(time_disp==0 ) {//时钟显示数据计算 i=2; time[i++]=hour/10; time[i++]=hour%10; time[i++]=minute/10; time[i++]=minute%10; time[i++]=sec/10; time[i++]=sec%10; }else if(time_disp!=0xff) {//计时显示数据计算 temp=set_count_time-(count_hour*3600+count_minute*60+count_sec); if(set_count_time && temp<0) time_disp=0xff;//计时显示终止 if(time_disp==1) {//无计时上限或未到达计时上限 i=2; time[i++]=(count_hour)/10; time[i++]=(count_hour)%10; time[i++]=(count_minute)/10; time[i++]=(count_minute)%10; time[i++]=(count_sec)/10; time[i++]=(count_sec)%10; } if(time_disp==2) { i=2; temp1=temp/3600; time[i++]=(temp1)/10; time[i++]=(temp1)%10; temp=temp%3600; temp1=temp/60; time[i++]=(temp1)/10; time[i++]=(temp1)%10; temp1=temp%60; time[i++]=(temp1)/10; time[i++]=(temp1)%10; } } } for(i=0;i<8;i++) { P0=table[time[i]]; P2=i; Tim