分时区、12小时制和24小时制多功能电子时钟

/*多功能电子时钟单片机：STC89C52系列或其兼容型号 外部晶振：12MHZ功能：1、支持多个时钟同时运行（CLOCKCOUNT） 2、每个时钟都具备12小时模式和24小时模式 3、12小时模式时，具备AM/PM的LED指示功能 4、每个时钟都具备闹铃功能 5、每个时钟的时间和闹铃时间都可设置 （自适应12小时模式和24小时模式）日期：2012.7.17（佳木斯大学65周年校庆）*/#include reg52.h#define FOSC(12)/系统晶振，以MHZ为单位#define MSECOND(10)/定时器的定时时间，以毫秒为单位#define CLOCKCOUNT(3)/时钟个数#define vTL0(65536-MSECOND*FOSC/12*1000)%256)/计算定时器初值#define vTH0(65536-MSECOND*FOSC/12*1000)/256)#define SEGPORT(P0)/显示器段码口#define WEIPORT(P1)/显示器位码口#define FLASHHOUR(1)/小时闪烁判断值#define FLASHMINUTE(2)/分钟闪烁判断值#define FLASHSECOND(3)/秒闪烁判断值#define FLASHALL(4)/所有位闪烁判断值#define FLASHNONE(5)/不闪烁判断值#define FLASHFREQ(10)/小时、分、秒闪烁时的频率，值越大越慢#define ALARMTIME(30000)/自动撤销闹铃前的等待时间，值越大时间越长#define ALARMON(1)/打开闹铃判断值#define ALARMOFF(2)/关闭闹铃判断值#define TIMEMODE12(1)/12小时模式#define TIMEMODE24(2)/24小时模式#define AM(1)/代表上午#define PM(2)/代表下午#define KEY1(1)/1号按键的键值#define KEY2(2)/2号按键的键值#define KEY3(3)/3号按键的键值#define NOKEY(4)/无按键时的返回键值#define BEEPON(1)/打开蜂鸣器的电平#define BEEPOFF(0)/关闭蜂鸣器的电平#define LEDON(1)/点亮LED时的电平#define LEDOFF(0)/熄灭LED时的电平#define BEEPFREQ(10)/蜂鸣器的发声频率，值越大越慢#define KEYSPEED(30)/按键的响应速度，值越大响应越慢#define KEYWAITTIME(1000)/无按键时，自动退出前的等待时间，值越大时间越长sbit Key1=P20;/1号按键，以下程序设定为“功能键”sbit Key2=P21;/2号按键，以下程序设定为“增键”sbit Key3=P22;/3号按键，以下程序设定为“减键”sbit Beep=P27;/闹铃驱动口线sbit AmLed=P23;/AM指示灯sbit PmLed=P24;/PM指示灯typedef struct/定义一个时钟结构体类型TClock unsigned char Hour;unsigned char Minute;unsigned char Second;unsigned int MSecond; /毫秒unsigned char TimeMode;/表示时钟模式，是12小时模式还是24小时模式unsigned char AmOrPm;/表示当前是上午还是下午unsigned char AlarmOpen;/是否打开闹铃的控制位unsigned char AlarmHour;unsigned char AlarmMinute;unsigned char AlarmFlag; /闹铃时间到标志unsigned int AlarmTime;/为自动退出闹铃状态服务unsigned char AlarmAmOrPm;/表示闹铃是设置在上午还是下午 TClock;unsigned char code SegCode=/共阴极管 dp g f e d c b a 0x3f,0x06,0x5b,0x4f,0x66, 0x6d,0x7d,0x07,0x7f,0x6f,0x00;TClock ClockCLOCKCOUNT,*pClock;/时钟数组和时钟指针unsigned char KeyWaitFlag=0,AdjustTimeFlag=0;/用于函数间协调的两个标志unsigned char WhichClock=0;/存放当前所选时钟的下标unsigned char DispBuf6;/显示缓冲区unsigned char KeyWaitTime=0;/为无按键时的自动退出服务/通用的软件延时函数/x要延时的时间，范围0255void xDelay(unsigned char x) unsigned char y; for(;x0;x-) for(y=30;y0;y-);/将所选时钟的数据填充到显示缓冲区/pClock指向时钟的指针void FillDispBuf(TClock *pClock) DispBuf0=SegCodepClock-Hour/10; DispBuf1=SegCodepClock-Hour%10; DispBuf2=SegCodepClock-Minute/10; DispBuf3=SegCodepClock-Minute%10; DispBuf4=SegCodepClock-Second/10; DispBuf5=SegCodepClock-Second%10;/将所选时钟的闹铃时间填充到显示缓冲区/pClock指向时钟的指针void FillAlarmToDispBuf(TClock *pClock) DispBuf0=SegCode10; DispBuf1=SegCode10; DispBuf2=SegCodepClock-AlarmHour/10; DispBuf3=SegCodepClock-AlarmHour%10; DispBuf4=SegCodepClock-AlarmMinute/10; DispBuf5=SegCodepClock-AlarmMinute%10;/显示函数，用于显示时间，可闪烁显示/FlashWhich指定闪烁的部分，可取值FLASHHOUR、/FLASHMINUTE、FLASHSECOND、FLASHALL、FLASHNONEvoid Display(unsigned char FlashWhich) unsigned char WeiCode,i; static unsigned char nState=0,FlashCount=FLASHFREQ; WeiCode=0xfe; for(i=0;i0) SEGPORT=DispBufi;else FlashCount=FLASHFREQ; nState=1; break; case 1: /offif(-FlashCount0) SEGPORT=DispBuf10;else FlashCount=FLASHFREQ; nState=0; break; default: nState=0; else SEGPORT=DispBufi;break;case FLASHMINUTE:if (i=2)|(i=3) switch(nState) case 0: /onif(-FlashCount0) SEGPORT=DispBufi;else FlashCount=FLASHFREQ; nState=1; break; case 1: /offif(-FlashCount0) SEGPORT=DispBuf10;else FlashCount=FLASHFREQ; nState=0; break; default: nState=0; else SEGPORT=DispBufi;break;case FLASHSECOND:if (i=4)|(i=5) switch(nState) case 0: /onif(-FlashCount0) SEGPORT=DispBufi;else FlashCount=FLASHFREQ; nState=1; break; case 1: /offif(-FlashCount0) SEGPORT=DispBuf10;else FlashCount=FLASHFREQ; nState=0; break; default: nState=0; else SEGPORT=DispBufi;break;case FLASHALL:switch(nState) case 0: /onif(-FlashCount0) SEGPORT=DispBufi;else FlashCount=FLASHFREQ; nState=1; break; case 1: /offif(-FlashCount0) SEGPORT=DispBuf10;else FlashCount=FLASHFREQ; nState=0; break; default: nState=0;break;default: SEGPORT=DispBufi;FlashCount=FLASHFREQ; WEIPORT=WeiCode; WeiCode=1; WeiCode|=1; xDelay(10); /显示指定时钟的时钟下标（编号）/aClock时钟下标void DisplayClock(unsigned char xClock) DispBuf0=0x39;/C DispBuf1=0x38;/L DispBuf2=0x3f;/O DispBuf3=0x39;/C DispBuf4=0x00;/熄灭 DispBuf5=SegCodexClock;/时钟编号 Display(FLASHNONE);/用于显示所选时钟闹铃的开关状态/OnOff开关状态，可取值为ALARMON、ALARMOFFvoid DisplayOnOffAlarm(unsigned char OnorOff) DispBuf0=0x77;/A DispBuf1=0x38;/L DispBuf2=0x77;/A if (OnorOff=ALARMON) DispBuf3=0x00;/熄灭 DispBuf4=0x5c;/o DispBuf5=0x54;/n else DispBuf3=0x5c;/o DispBuf4=0x71;/F DispBuf5=0x71;/F Display(FLASHNONE); /用于显示时钟的时间模式（12小时制或24小时制）/xTimeMode时间模式，可取值为TIMEMODE12、TIMEMODE24void DisplayTimeMode(unsigned char xTimeMode) if (xTimeMode=TIMEMODE12) DispBuf0=SegCode1; /1 DispBuf1=SegCode2; /2 else DispBuf0=SegCode2; /2 DispBuf1=SegCode4; /4 DispBuf2=0x74; /h DispBuf3=0x5c; /o DispBuf4=0x1c; /u DispBuf5=0x70; /r Display(FLASHNONE);/键盘函数，返回值为按键的键值/返回值包括KEY1,KEY2,KEY3,NOKEYunsigned char Key(void) static unsigned char xCount=0; if (+xCountAlarmOpen=ALARMOFF; pClock-TimeMode=TIMEMODE24; AmLed=LEDOFF; PmLed=LEDOFF;void main(void) unsigned char nState=0,aKey,Temp=0; Init(); while(1) aKey=Key(); switch(nState) case 0:/时钟正常运行FillDispBuf(Clock+WhichClock);Display(FLASHNONE);if(ClockWhichClock.AlarmFlag)/驱动闹钟蜂鸣器 if(+Temp=BEEPFREQ) Temp=0; Beep=1; if(aKey!=NOKEY) ClockWhichClock.AlarmFlag=0;Temp=0;Beep=BEEPOFF; if (aKey=KEY1) KeyWaitTime=0; nState=1; break; case 1: /选择时钟KeyWaitFlag=1;/等待按键时间内无按键，自动返回运行状态if (KeyWaitTime=KEYWAITTIME) nState=0; KeyWaitFlag=0; KeyWaitTime=0;if (aKey=KEY1) KeyWaitTime=0; ClockWhichClock.MSecond=0; nState=2; if (aKey=KEY2) KeyWaitTime=0; if(WhichClock0) WhichClock-;DisplayClock(WhichClock); break; case 2:/选择时间模式（12小时制或24小时制）KeyWaitFlag=1;/等待按键时间内无按键，自动返回运行状态if (KeyWaitTime=KEYWAITTIME) nState=0; KeyWaitFlag=0; KeyWaitTime=0;if (aKey=KEY1) KeyWaitTime=0; AdjustTimeFlag=1; nState=3;if (ClockWhichClock.TimeMode=TIMEMODE12) DisplayTimeMode(TIMEMODE12); if (ClockWhichClock.AmOrPm=PM)PmLed=LEDON; AmLed=LEDOFF; else PmLed=LEDOFF; AmLed=LEDON; if (aKey=KEY2)|(aKey=KEY3) KeyWaitTime=0;ClockWhichClock.TimeMode=TIMEMODE24;ClockWhichClock.Hour+=12; else DisplayTimeMode(TIMEMODE24); AmLed=LEDOFF; PmLed=LEDOFF; if (aKey=KEY2)|(aKey=KEY3) ClockWhichClock.TimeMode=TIMEMODE12;if (ClockWhichClock.Hour=12) KeyWaitTime=0; ClockWhichClock.Hour-=12; ClockWhichClock.AmOrPm=PM; else ClockWhichClock.AmOrPm=AM; break; case 3:/调整所选时钟的小时KeyWaitFlag=1;/等待按键时间内无按键，自动返回运行状态if (KeyWaitTime=KEYWAITTIME) nState=0; KeyWaitFlag=0; KeyWaitTime=0;if (aKey=KEY1) KeyWaitTime=0; nState=4;if (aKey=KEY2) KeyWaitTime=0; if (ClockWhichClock.TimeMode=TIMEMODE12) if (ClockWhichClock.Hour12) ClockWhichClock.Hour+;else if (ClockWhichClock.AmOrPm=PM) ClockWhichClock.AmOrPm=AM;ClockWhichClock.Hour=0; else ClockWhichClock.AmOrPm=PM;ClockWhichClock.Hour=0; else if (ClockWhichClock.Hour0) ClockWhichClock.Hour-; FillDispBuf(Clock+WhichClock);Display(FLASHHOUR); break; case 4:/调整所选时钟的分钟KeyWaitFlag=1;/等待按键时间内无按键，自动返回运行状态if (KeyWaitTime=KEYWAITTIME) nState=0; KeyWaitFlag=0; KeyWaitTime=0;if (aKey=KEY1) KeyWaitTime=0; nState=5;if (aKey=KEY2) KeyWaitTime=0; if(ClockWhichClock.Minute0) ClockWhichClock.Minute-; FillDispBuf(Clock+WhichClock);Display(FLASHMINUTE); break; case 5:/调整所选时钟的秒KeyWaitFlag=1;/等待按键时间内无按键，自动返回运行状态if (KeyWaitTime=KEYWAITTIME) nState=0; KeyWaitFlag=0; KeyWaitTime=0;if (aKey=KEY1) KeyWaitTime=0; AdjustTimeFlag=0; nState=6;if (aKey=KEY2) KeyWaitTime=0; if(ClockWhichClock.Second0) ClockWhichClock.Second-; FillDispBuf(Clock+WhichClock);Display(FLASHSECOND); break; case 6:/开关闹铃功能KeyWaitFlag=1;/等待按键时间内无按键，自动返回运行状态if (KeyWaitTime=KEYWAITTIME) nState=0; KeyWaitFlag=0; KeyWaitTime=0;if (aKey=KEY1) KeyWaitTime=0; if(ClockWhichClock.AlarmOpen) nState=7; else nState=0; if(ClockWhichClock.AlarmOpen) DisplayOnOffAlarm(ALARMON); if(aKey=KEY2)|(aKey=KEY3) KeyWaitTime=0; ClockWhichClock.AlarmOpen=ALARMOFF; else DisplayOnOffAlarm(ALARMOFF); if(aKey=KEY2)|(aKey=KEY3) KeyWaitTime=0; ClockWhichClock.AlarmOpen=ALARMON; break; case 7:/调整闹铃小时KeyWaitFlag=1;/等待按键时间内无按键，自动返回运行状态if (KeyWaitTime=KEYWAITTIME) nState=0; KeyWaitFlag=0; KeyWaitTime=0;if (aKey=KEY1) KeyWaitTime=0; nState=8;if (aKey=KEY2) KeyWaitTime=0; if (ClockWhichClock.TimeMode=TIMEMODE12) if (ClockWhichClock.AlarmHour12) ClockWhichClock.AlarmHour+;else if (ClockWhichClock.AlarmAmOrPm=PM) ClockWhichClock.AlarmAmOrPm=AM;ClockWhichClock.AlarmHour=0; else ClockWhichClock.AlarmAmOrPm=PM;ClockWhichClock.AlarmHour=0; else if(ClockWhichClock.AlarmHour0) ClockWhichClock.AlarmHour-; FillAlarmToDispBuf(Clock+WhichClock);Display(FLASHMINUTE);break; case 8:/调整闹铃分钟KeyWaitFlag=1;/等待按键时间内无按键，自动返回运行状态if (KeyWaitTime=KEYWAITTIME) nState=0; KeyWaitFlag=0; KeyWaitTime=0;if (aKey=KEY1) KeyWaitTime=0; nState=0;if (aKey=KEY2) KeyWaitTime=0; if(ClockWhichClock.AlarmMinute0) ClockWhichClock.AlarmMinute-; FillAlarmToDispBuf(Clock+WhichClock);Display(FLASHSECOND); break; default: nState=0; /T0定时器10ms中断服务函数void T0Int(void) inter