基于51单片机的智能电子时钟设计

课题名称：单片机应用指导教师：系别：电子信息系专业：应用电子技术班级：姓名：目录封面·········································································1任务书·······································································2目录·········································································3第一章智能电子时钟的设计内容················································4（1.1）电子时钟设计思路························································4（1.2）电子时钟的程序流程图····················································5（1.3）电子时钟原理图··························································6（1.4）电子时钟的功能说明······················································7第二章电子时钟的硬件内容····················································8（2.1）时钟插件指引图·························································8（2.2）时钟零件清单···························································9（2.3）焊接完毕的电子时钟····················································10第三章电子时钟的软件设计····················································11（3.1）倒计时版本····························································11（3.2）闹钟版本······························································12毕业设计小节································································13致谢········································································14主要参考文献································································15智能电子时钟设计内容1.1电子时钟的设计思路1.要达到的目的利用51单片机及数码管实现时钟的基本功能。在6个数码管上显示年月日、并可切到时分秒。利用4个按键，实现年月日及时分秒的调整。能设置一组闹钟。能实现秒表功能。2.关键问题的解决6个数码管的动态扫描。走时需要使用定时中断，以确保精度。四个功能模块需要重复利用6个数码管来显示，需要组织好复杂的逻辑。1.2电子时钟的程序流程图1.3电子时钟的原理图电子时钟的功能说明操作说明： 4个按键依次为：ModeSetUpDown模式选择： 按Mode键，选择不同的功能，依次为：时间秒表倒计时日期时间调整： 按Mode键进入时间模式 按Set切换要设置的时分秒，按Up或Down对闪烁位置的时间进行设置。秒表功能： 按Mode键进入秒表模式 按Up键启动秒表 在秒表计时过程中按Up键，暂停跑时。再按Up将继续跑时。 在暂停跑时状态下按Set键，重置秒表时间。倒计时功能： 按Mode键进入倒计时功能。 按Set键切换时分秒准备。 在时分秒用Up或Down键设置倒计时的时间长度。 在准备状态下按Down或Up键启动日期功能： 按Mode键进入日期功能。 按Set键切换年—月—日，按Up或Down进行调整。第二章电子时钟的硬件内容2.1时钟插件指引图2.2时钟零件清单CLK01BOMNODescriptionCommentDesignatorQuantity1电池盒BATTERYBT112蜂鸣器BUZZBZ113电容0.1C1,C424电容22pC2,C325电解电容100uFCx116数码管seg-2-10pDeg1,Deg2,Deg337LEDDot1LED1,LED228LEDDot2LED3,LED429LEDTimeLED5110LEDAlarmLED6111LEDStopWatchLED7112LEDDateLED8113三极管8550Q1,Q2,Q3,Q4,Q5,Q6,Q7,Q8814三极管8050Q9,Q10,Q11,Q12,Q13,Q14,Q15715电阻10kR1,R2,R3,R4,R5,R6,R7,R8,R17,R18,R19,R20,R21,R22,R23,R24,R25,R26,R27,R282016电阻220R9,R10,R11,R12,R13,R14,R15'R16817轻触按键MODES1118轻触按键SETS2119轻触按键UPS3120轻触按键DOWNS4121单刀双掷开关SW-SPDTS5122单片机P89C51RD2HBPU11IC座123晶振12MXT112.3焊接完毕的时钟第三章电子时钟的软件设计3.1倒计时版本/*******************************************************************************项目编号：CLK01名称：多功能时钟'tonkeys&轻风工作室提供'专业VB编程，毕业设计VB代编程,单片机程序设计。'QQ:58507961（技术支持）10+年编程经验'拍拍：/58507961'淘宝：日期：2021-8-25*******************************************************************************/#include <at89x51.h"//-------------------------------------------------------------------------//缩写宏定义//-------------------------------------------------------------------------#define ucharunsignedchar#defineuintunsignedint//数码管位置宏#defineDEG1 4#defineDEG2 5#defineDEG3 2#defineDEG4 3#defineDEG5 0#defineDEG6 1//-------------------------------------------------------------------------//函数声明//-------------------------------------------------------------------------uchar GetMDays(ucharcyear,ucharcmonth); //返回当前日期的月份天数void T0_init();void LedSet(ucharpos,ucharnum);uchar GetKey(void); //读取按键 void TaskSecond(); //秒表模式void TaskSetTime(); //时间设置模式 void TaskStopWatch();//倒计时void TaskDate(); //日期uchar InKey(); //等待一个按键void Beep(); //200ms按键音//-------------------------------------------------------------------------//全局变量//-------------------------------------------------------------------------uchartm_year=13,tm_month=8,tm_day=1; //年月日uchartm_hour=10,tm_minute=15,tm_second=0; //时分秒uchartm_x10ms=0; //x10mSuintgms;ucharmode=0;ucharbeep_delay=0;ucharLight_Set=7; //7--最亮20--暗ucharLight_Delay=60; //延时变暗//-------------------------------------------------------------------------//主函数//-------------------------------------------------------------------------voidmain(){ T0_init(); while(1) { //显示时间 LedSet(DEG1,tm_hour/10); LedSet(DEG2,tm_hour%10); LedSet(DEG3,tm_minute/10); LedSet(DEG4,tm_minute%10); LedSet(DEG5,tm_second/10); LedSet(DEG6,tm_second%10); LedSet(6,0xE0); switch(GetKey()) { case0x01: //mode Beep(); TaskSecond(); //秒表模式 TaskStopWatch(); //倒计时模式 TaskDate(); //日期模式 break; case0x02: //Set Beep(); TaskSetTime(); //进入时间设置模式 break; case0x04: //up break; case0x08: //down break; default: ; } }}//-------------------------------------------------------------------------//LED动态扫描//-------------------------------------------------------------------------ucharcodeled_code[]={3,207,42,74,198,82,18,203,2,66, 0,0,0,0,0,0,0,0,0,0,255};uchar led_buf[8];uchar led_scan_step=0;voidLedScan(){ P1=0;//off if(led_scan_step<7) { P0=led_buf[led_scan_step]; P1=1<<led_scan_step; } led_scan_step++; if(led_scan_step>Light_Set)led_scan_step=0;}//-------------------------------------------------------------------------//定时器初始化 125uSfor12MhzOsc//-------------------------------------------------------------------------voidT0_init(){ TMOD=0X02; TH0=(256-125); TL0=(256-125); EA=1; ET0=1; TR0=1; }//-------------------------------------------------------------------------//定时中断//-------------------------------------------------------------------------ucharxcou=0;ucharms=0;bitbz_flag;bitbeep_en=0;voidtime0(void)interrupt1{ if(beep_en) { bz_flag=!bz_flag; P2_7=bz_flag; } xcou++; if(xcou==2) { LedScan(); //LED扫描 }elseif(xcou==8) { xcou=0; ms++; gms++; //临时计数用的 if(ms==10) { tm_x10ms++; ms=0; if(beep_delay!=0) { beep_delay--; if(beep_delay!=0) beep_en=1; else beep_en=0; } if(tm_x10ms==100) //秒 { tm_second++; if(Light_Delay!=0) { Light_Delay--; if(Light_Delay==0) Light_Set=20; //变暗 else Light_Set=7; //亮度高 } tm_x10ms=0; if(tm_second==60)//分 { tm_minute++; tm_second=0; if(tm_minute==60)//时 { tm_hour++; tm_minute=0; if(tm_hour==24)//日 { tm_day++; tm_hour=0; if(tm_day>GetMDays(tm_year,tm_month)) //月 { tm_month++; tm_day=1; if(tm_month>12)//年 { tm_year++; tm_month=1; } } } } } } } }}//-------------------------------------------------------------------------//返回当前日期的月份天数//-------------------------------------------------------------------------ucharcodedaylist[]={31,28,31,30,31,30,31,31,30,31,30,32};//平年各月天数ucharGetMDays(ucharcyear,ucharcmonth) { ucharrtn; rtn=daylist[cmonth-1]; if(cyear%4==0&&cmonth==2) //闰年2月 rtn=29; return(rtn); }//-------------------------------------------------------------------------//设置指定位置数码管的字符//-------------------------------------------------------------------------voidLedSet(ucharpos,ucharnum){ if(pos>=6) led_buf[pos]=num; else { led_buf[pos]=led_code[num]; }}//-------------------------------------------------------------------------//GetKey读取按键//-------------------------------------------------------------------------ucharGetKey(void){ ucharrtn=0; bitflag; flag=1; if(P3_4==0) rtn=0x01; //mode elseif(P3_5==0) rtn|=0x02; //set elseif(P3_6==0) rtn|=0x04; //up elseif(P3_7==0) rtn|=0x08; //down else flag=0; //pressed if(flag) { gms=0; while(P3_4==0||P3_5==0||P3_6==0||P3_7==0) { if(gms>1000)gms=1000; } if(gms<10) rtn=0;//抗抖过滤小于10ms的信号 else { Beep(); Light_Delay=60; } }else rtn=0; return(rtn);}//-------------------------------------------------------------------------//秒表模式//-------------------------------------------------------------------------void TaskSecond(){ ucharhh=0,mm=0,ss=0,x10ms=0,ccms; uchartmp; while(1) { LedSet(DEG1,0); LedSet(DEG2,0); LedSet(DEG3,0); LedSet(DEG4,0); LedSet(DEG5,0); LedSet(DEG6,0); LedSet(6,0xD4); tmp=InKey(); //等待启动键 if(tmp==0x01) //modekeyexit { return; } elseif(tmp==0x04||tmp==0x08) //setkeystart { //运行中 gms=0; while(1) { if(gms!=0) { ccms++; gms--; if(ccms==10) { x10ms++; ccms=0; if(x10ms==100) { ss++; x10ms=0; if(ss==60) { ss=0; mm++; if(mm==60) { hh++; if(hh==100)hh=0; } } } }elseif(ccms==9) //刷新显示 { if(hh==0) { LedSet(DEG1,mm/10); LedSet(DEG2,mm%10); LedSet(DEG3,ss/10); LedSet(DEG4,ss%10); LedSet(DEG5,x10ms/10); LedSet(DEG6,x10ms%10); LedSet(6,0xD4); }else { LedSet(DEG1,hh/10); LedSet(DEG2,hh%10); LedSet(DEG3,mm/10); LedSet(DEG4,mm%10); LedSet(DEG5,ss/10); LedSet(DEG6,ss%10); LedSet(6,0xD0); } }else { switch(GetKey()) { case0x01: //mode退出 return; break; case0x02: //set暂停 while(1) { tmp=GetKey(); if(tmp==0x01) //modeexit return; elseif(tmp==0x04||tmp==0x08) //继续 break; elseif(tmp==0x02)//重置 { LedSet(DEG1,0); LedSet(DEG2,0); LedSet(DEG3,0); LedSet(DEG4,0); LedSet(DEG5,0); LedSet(DEG6,0); LedSet(6,0xD4); hh=0;mm=0;ss=0;x10ms=0;ccms =0; } } break; } } } } } } }//-------------------------------------------------------------------------//时间设置模式 //-------------------------------------------------------------------------void TaskSetTime(){ uchartmp,pos=0; uintcms=0; gms=0; while(1) { if(gms!=0) { gms--; cms++; tmp=GetKey(); if(tmp==0x01) return; elseif(tmp==0x02) { //set pos++; cms=0; if(pos==3) return; }elseif(tmp==0x04) //up { if(pos==0)//hh { tmp=tm_hour; tmp++; if(tmp>=24)tmp=0; tm_hour=tmp; }elseif(pos==1)//mm { tmp=tm_minute; tmp++; if(tmp>=60)tmp=0; tm_second=0; tm_minute=tmp; }elseif(pos==2) { tm_second=0; } cms=0; }elseif(tmp==0x08) //down { if(pos==0)//hh { tmp=tm_hour; if(tmp==0) tmp=23; else tmp--; tm_hour=tmp; }elseif(pos==1)//mm { tmp=tm_minute; if(tmp==0) tmp=59; else tmp--; tm_second=0; tm_minute=tmp; }elseif(pos==2) { tm_second=0; } cms=0; } if(cms==1) { LedSet(DEG1,tm_hour/10); LedSet(DEG2,tm_hour%10); LedSet(DEG3,tm_minute/10); LedSet(DEG4,tm_minute%10); LedSet(DEG5,tm_second/10); LedSet(DEG6,tm_second%10); LedSet(6,0xE0); }elseif(cms==500) { if(pos==0) { LedSet(DEG1,20); LedSet(DEG2,20); }elseif(pos==1) { LedSet(DEG3,20); LedSet(DEG4,20); }elseif(pos==2) { LedSet(DEG5,20); LedSet(DEG6,20); } }elseif(cms==1000) cms=0; } }} //-------------------------------------------------------------------------//等待一个按键 //-------------------------------------------------------------------------ucharInKey(void){ ucharrtn=0; while(rtn==0) { rtn=GetKey(); } return(rtn);}//-------------------------------------------------------------------------//倒计时//-------------------------------------------------------------------------void TaskStopWatch(){ uchartmp,pos=0; ucharhh=0,mm=0,ss=30,mms=0,m10ms=0; uintcms=0; while(1) { LedSet(DEG1,hh/10); LedSet(DEG2,hh%10); LedSet(DEG3,mm/10); LedSet(DEG4,mm%10); LedSet(DEG5,ss/10); LedSet(DEG6,ss%10); LedSet(6,0xB0); //hh=0,mm=0,ss=30,mms=0,m10ms=0; tmp=InKey(); if(tmp==0x01) return; elseif(tmp==0x02) { //stoptimeset gms=0;cms=0; pos=1; while(1) { if(gms!=0) { cms++; gms--; tmp=GetKey(); if(tmp==0x01) //exit { return; }elseif(tmp==0x02) //nextpos { pos++; if(pos==4) { pos=0; break; } } elseif(tmp==0x04) //up { if(pos==1)//hh { if(hh<99) hh++; else hh=0; }elseif(pos==2)//mm { if(mm<59) mm++; else mm=0; }elseif(pos==3)//s { if(ss<59) ss++; else ss=0; } } elseif(tmp==0x08) //down { if(pos==1)//hh { if(hh>0) hh--; else hh=99; }elseif(pos==2)//mm { if(mm>0) mm--; else mm=59; }elseif(pos==3)//s { if(ss>0) ss--; else ss=59; } } if(cms==1) { LedSet(DEG1,hh/10); LedSet(DEG2,hh%10); LedSet(DEG3,mm/10); LedSet(DEG4,mm%10); LedSet(DEG5,ss/10); LedSet(DEG6,ss%10); LedSet(6,0xB0); }elseif(cms==500) { if(pos==1) { LedSet(DEG1,20); LedSet(DEG2,20); }elseif(pos==2) { LedSet(DEG3,20); LedSet(DEG4,20); }elseif(pos==3) { LedSet(DEG5,20); LedSet(DEG6,20); } }elseif(cms==1000) cms=0; } } } elseif(tmp==0x04||tmp==0x08) { //start cms=0;gms=0; while(1) { if(gms!=0) { cms++; gms--; if(cms%10==1) { if(m10ms==0) { if(ss==0) { if(mm==0) { if(hh==0) //stop break; else { hh--; mm=59; } }else { mm--; ss=59; } }else { ss--; m10ms=99; } }else m10ms--; }else { if(hh!=0) { LedSet(DEG1,hh/10); LedSet(DEG2,hh%10); LedSet(DEG3,mm/10); LedSet(DEG4,mm%10); LedSet(DEG5,ss/10); LedSet(DEG6,ss%10); LedSet(6,0xB0); }else { LedSet(DEG1,mm/10); LedSet(DEG2,mm%10); LedSet(DEG3,ss/10); LedSet(DEG4,ss%10); LedSet(DEG5,m10ms/10); LedSet(DEG6,m10ms%10); LedSet(6,0xB4); } } } if(cms==1000) cms=0; if(GetKey()!=0) return; } //时间到 gms=0;cms=0; while(1) { if(gms!=0) { cms++; gms--; if(cms==1) { LedSet(DEG1,0); LedSet(DEG2,0); LedSet(DEG3,0); LedSet(DEG4,0); LedSet(DEG5,0); LedSet(DEG6,0); LedSet(6,0xB0); }elseif(cms==500) { LedSet(DEG1,20); LedSet(DEG2,20); LedSet(DEG3,20); LedSet(DEG4,20); LedSet(DEG5,20); LedSet(DEG6,20); LedSet(6,0xFF); }elseif(cms==1000) cms=0; if(cms==1) beep_en=1; elseif(cms==200) beep_en=0; elseif(cms==300) beep_en=1; elseif(cms==500) beep_en=0; if(GetKey()!=0) { beep_en=0; return; } } } } } }//-------------------------------------------------------------------------//日期//-------------------------------------------------------------------------void TaskDate(){ uchartmp,pos=0; uintcms=0; while(1) { LedSet(DEG1,tm_year/10); LedSet(DEG2,tm_year%10); LedSet(DEG3,tm_month/10); LedSet(DEG4,tm_month%10); LedSet(DEG5,tm_day/10); LedSet(DEG6,tm_day%10); LedSet(6,0x7A); tmp=GetKey(); if(tmp==0x01) return; elseif(tmp==0x02) { //dateset pos=1;//year cms=0;gms=0; while(1) { if(gms!=0) { gms--; cms++; if(cms==1) { LedSet(DEG1,tm_year/10); LedSet(DEG2,tm_year%10); LedSet(DEG3,tm_month/10); LedSet(DEG4,tm_month%10); LedSet(DEG5,tm_day/10); LedSet(DEG6,tm_day%10); LedSet(6,0x7A); }elseif(cms==500) { if(pos==1) { LedSet(DEG1,20); LedSet(DEG2,20); }elseif(pos==2) { LedSet(DEG3,20); LedSet(DEG4,20); }elseif(pos==3) { LedSet(DEG5,20); LedSet(DEG6,20); } }elseif(cms==1000) cms=0; tmp=GetKey(); if(tmp==0x01) return; elseif(tmp==0x02) //nextpos { pos++; if(pos==4) { pos=0; break; } }elseif(tmp==0x04) //up { if(pos==1) //year { if(tm_year<99) tm_year++; else tm_year=1; }elseif(pos==2) //month { if(tm_month<12) tm_month++; else tm_month=1; }elseif(pos==3) { if(tm_day< GetMDays(tm_year,tm_month)) tm_day++; else tm_day=1; } }elseif(tmp==0x08) //down { if(pos==1) //year { if(tm_year>1) tm_year--; else tm_year=99; }elseif(pos==2) //month { if(tm_month>1) tm_month--; else tm_month=12; }elseif(pos==3) { if(tm_day>1) tm_day--; else tm_day=GetMDays(tm_year,tm_month); } } } } } }}//-------------------------------------------------------------------------//200msBi---//-------------------------------------------------------------------------voidBeep(){ beep_delay=20;}3.2闹钟版本/*******************************************************************************项目编号：CLK01名称：多功能时钟'tonkeys&轻风工作室提供'专业VB编程，毕业设计VB代编程,单片机程序设计。'QQ:58507961（技术支持）10+年编程经验'拍拍：/58507961'淘宝：日期：2021-8-25*******************************************************************************/#include <at89x51.h"//-------------------------------------------------------------------------//缩写宏定义//-------------------------------------------------------------------------#define ucharunsignedchar#defineuintunsignedint//数码管位置宏#defineDEG1 4#defineDEG2 5#defineDEG3 2#defineDEG4 3#defineDEG5 0#defineDEG6 1//-------------------------------------------------------------------------//函数声明//-------------------------------------------------------------------------uchar GetMDays(ucharcyear,ucharcmonth); //返回当前日期的月份天数void T0_init();void LedSet(ucharpos,ucharnum);uchar GetKey(void); //读取按键 void TaskSecond(); //秒表模式void TaskSetTime(); //时间设置模式 void TaskStopWatch();//倒计时void TaskSetAlarm(); //闹钟设置void TaskDate(); //日期uchar InKey(); //等待一个按键void Beep(); //200ms按键音//-------------------------------------------------------------------------//全局变量//-------------------------------------------------------------------------uchartm_year=13,tm_month=8,tm_day=1; //年月日uchartm_hour=10,tm_minute=15,tm_second=0; //时分秒uchartm_x10ms=0; //x10mSucharal_hour=10,al_minute=15,al=0; //时分秒uintgms;ucharmode=0;ucharbeep_delay=0;ucharLight_Set=7; //7--最亮20--暗ucharLight_Delay=60; //延时变暗ucharalarmtime=0;bitalarmsound=0;//-------------------------------------------------------------------------//主函数//-------------------------------------------------------------------------voidmain(){ T0_init(); while(1) { //显示时间 LedSet(DEG1,tm_hour/10); LedSet(DEG2,tm_hour%10); LedSet(DEG3,tm_minute/10); LedSet(DEG4,tm_minute%10); LedSet(DEG5,tm_second/10); LedSet(DEG6,tm_second%10); LedSet(6,0xE0); switch(GetKey()) { case0x01: //mode Beep(); TaskSecond(); //秒表模式 //TaskStopWatch(); //倒计时模式 TaskSetAlarm();//设置闹钟 TaskDate(); //日期模式 break; case0x02: //Set Beep(); TaskSetTime(); //进入时间设置模式 break; case0x04: //up break; case0x08: //down break; default: ; } }}//-------------------------------------------------------------------------//LED动态扫描//-------------------------------------------------------------------------ucharcodeled_code[]={3,207,42,74,198,82,18,203,2,66, ~0x7D,0,0,0,0,0,0,0,0,0,255,~0xC8,0xFE};//10-A.....21-L,22--uchar led_buf[8];uchar led_scan_step=0;voidLedScan(){ P1=0;//off if(led_scan_step<7) { P0=led_buf[led_scan_step]; P1=1<<led_scan_step; } led_scan_step++; if(led_scan_step>Light_Set)led_scan_step=0;}//-------------------------------------------------------------------------//定时器初始化 125uSfor12MhzOsc//-------------------------------------------------------------------------voidT0_init(){ TMOD=0X02; TH0=(256-125); TL0=(256-125); EA=1; ET0=1; TR0=1; }//-------------------------------------------------------------------------//定时中断//-------------------------------------------------------------------------ucharxcou=0;ucharms=0;bitbz_flag;bitbeep_en=0;voidtime0(void)interrupt1{ if(beep_en) { bz_flag=!bz_flag; P2_7=bz_flag; } xcou++; if(xcou==2) { LedScan(); //LED扫描 }elseif(xcou==8) { xcou=0; ms++; gms++; //临时计数用的 if(ms==10) { tm_x10ms++; ms=0; if(beep_delay!=0) { beep_delay--; if(beep_delay!=0) beep_en=1; else beep_en=0; } //闹钟声音 if(alarmsound) { if(tm_x10ms==1||tm_x10ms==30) beep_en=1; elseif(tm_x10ms==20||tm_x10ms==50) beep_en=0; } if(tm_x10ms==100) //秒 { tm_second++; //闹钟声音 if(alarmtime) { alarmtime--; if(alarmtime==0) { alarmsound=0; beep_en=0; } else alarmsound=1; } if(Light_Delay!=0) { Light_Delay--; if(Light_Delay==0) Light_Set=20; //变暗 else Light_Set=7; //亮度高 } tm_x10ms=0; if(tm_second==60)//分 { tm_minute++; tm_second=0; if(tm_minute==60)//时 { tm_hour++; tm_minute=0; if(tm_hour==24)//日 { tm_day++; tm_hour=0; if(tm_day>GetMDays(tm_year,tm_month)) //月 { tm_month++; tm_day=1; if(tm_month>12)//年 { tm_year++; tm_month=1; } } } } //闹钟检查 if(al==1) { if(al_hour==tm_hour) { if(al_minute==tm_minute) { alarmtime=60;//60秒闹钟 } } } } } } }}//-------------------------------------------------------------------------//返回当前日期的月份天数//-------------------------------------------------------------------------ucharcodedaylist[]={31,28,31,30,31,30,31,31,30,31,30,32};//平年各月天数ucharGetMDays(ucharcyear,ucharcmonth) { ucharrtn; rtn=daylist[cmonth-1]; if(cyear%4==0&&cmonth==2) //闰年2月 rtn=29; return(rtn); }//-------------------------------------------------------------------------//设置指定位置数码管的字符//-------------------------------------------------------------------------voidLedSet(ucharpos,ucharnum){ if(pos>=6) led_buf[pos]=num; else { led_buf[pos]=led_code[num]; }}//-------------------------------------------------------------------------//GetKey读取按键//-------------------------------------------------------------------------ucharGetKey(void){ ucharrtn=0; bitflag; flag=1; if(P3_4==0) rtn=0x01; //mode elseif(P3_5==0) rtn|=0x02; //set elseif(P3_6==0) rtn|=0x04; //up elseif(P3_7==0) rtn|=0x08; //down else flag=0; //pressed if(flag) { gms=0; while(P3_4==0||P3_5==0||P3_6==0||P3_7==0) { if(gms>1000)gms=1000; } if(gms<10) rtn=0;//抗抖过滤小于10ms的信号 else { Beep(); Light_Delay=60; } }else rtn=0; if(rtn!=0) alarmsound=0;//任意键取暖闹钟声音 return(rtn);}//-------------------------------------------------------------------------//秒表模式//-------------------------------------------------------------------------void TaskSecond(){ ucharhh=0,mm=0,ss=0,x10ms=0,ccms; uchartmp; while(1) { LedSet(DEG1,0); LedSet(DEG2,0); LedSet(DEG3,0); LedSet(DEG4,0); LedSet(DEG5,0); LedSet(DEG6,0); LedSet(6,0xD4); tmp=InKey(); //等待启动键 if(tmp==0x01) //modekeyexit { return; } elseif(tmp==0x04||tmp==0x08) //setkeystart { //运行中 gms=0; while(1) { if(gms!=0) { ccms++; gms--; if(ccms==10) { x10ms++; ccms=0; if(x10ms==100) { ss++; x10ms=0; if(ss==60) { ss=0; mm++; if(mm==60) { hh++; if(hh==100)hh=0; } } } }elseif(ccms==9) //刷新显示 { if(hh==0) { LedSet(DEG1,mm/10); LedSet(DEG2,mm%10); LedSet(DEG3,ss/10); LedSet(DEG4,ss%10); LedSet(DEG5,x10ms/10); LedSet(DEG6,x10ms%10); LedSet(6,0xD4); }else { LedSet(DEG1,hh/10); LedSet(DEG2,hh%10); LedSet(DEG3,mm/10); LedSet(DEG4,mm%10); LedSet(DEG5,ss/10); LedSet(DEG6,ss%10); LedSet(6,0xD0); } }else { switch(GetKey()) { case0x01: //mode退出 return; break; case0x02: //set暂停 while(1) { tmp=GetKey(); if(tmp==0x01) //modeexit return; elseif(tmp==0x04||tmp==0x08) //继续 break; elseif(tmp==0x02)//重置 { LedSet(DEG1,0); LedSet(DEG2,0); LedSet(DEG3,0); LedSet(DEG4,0); LedSet(DEG5,0); LedSet(DEG6,0); LedSet(6,0xD4); hh=0;mm=0;ss=0;x10ms=0;ccms =0; } } break; } } } } } } }//-------------------------------------------------------------------------//时间设置模式 //-------------------------------------------------------------------------void TaskSetTime(){ uchartmp,pos=0; uintcms=0; gms=0; while(1) { if(gms!=0) { gms--; cms++; tmp=GetKey(); if(tmp==0x01) return; elseif(tmp==0x02) { //set pos++; cms=0; if(pos==3) return; }elseif(tmp==0x04) //up { if(pos==0)//hh { tmp=tm_hour; tmp++; if(tmp>=24)tmp=0; tm_hour=tmp; }elseif(pos==1)//mm { tmp=tm_minute; tmp++; if(tmp>=60)tmp=0; tm_second=0; tm_minute=tmp; }elseif(pos==2) { tm_second=0; } cms=0; }elseif(tmp==0x08) //down { if(pos==0)//hh { tmp=tm_hour; if(tmp==0) tmp=23; else tmp--; tm_hour=tmp; }elseif(pos==1)//mm { tmp=tm_minute; if(tmp==0) tmp=59; else tmp--; tm_second=0; tm_minute=tmp; }elseif(pos==2) { tm_second=0; } cms=0; } if(cms==1) { LedSet(DEG1,tm_hour/10); LedSet(DEG2,tm_hour%10); LedSet(DEG3,tm_minute/10); LedSet(DEG4,tm_minute%10); LedSet(DEG5,tm_second/10); LedSet(DEG6,tm_second%10); LedSet(6,0xE0); }elseif(cms==500) { if(pos==0) { LedSet(DEG1,20); LedSet(DEG2,20); }elseif(pos==1) { LedSet(DEG3,20); LedSet(DEG4,20); }elseif(pos==2) { LedSet(DEG5,20); LedSet(DEG6,20); } }elseif(cms==1000) cms=0; } }} //-------------------------------------------------------------------------//等待一个按键 //-------------------------------------------------------------------------ucharInKey(void){ ucharrtn=0; while(rtn==0) { rtn=GetKey(); } return(rtn);}//-------------------------------------------------------------------------//倒计时//-------------------------------------------------------------------------void TaskStopWatch(){ uchartmp,pos=0; ucharhh=0,mm=0,ss=30,mms=0,m10ms=0; uintcms=0; while(1) { LedSet(DEG1,hh