基于AT89S52单片机的数字电子钟程序.docx

基于AT89S52单片机的数字电子钟程序.docx

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基于AT89S52单片机的数字电子钟程序

基于AT89S52单片机的数字电子钟程序可以实现控制家用电器,如热水器等HOUREQU030H;小时缓存

MINUTEEQU031H;分钟缓存

SECONDEQU032H;秒缓存

D1HOUREQU033H;定时1小时缓存

D1MINUTEEQU034H;定时1分钟缓存

D2HOUREQU035H;定时2小时缓存

D2MINUTEEQU036H;定时2分钟缓存

AJBZEQU037H;按键次数标志

COUNT1EQU038H;总计数到4000:

拆分成40*100总计数1COUNT2EQU039H;总计数到4000:

拆分成40*100总计数2SPLEQU020H;闪烁判断的依据

TSPLEQU021H;定时计数器闪烁时间信号标志

SET_BTNEQU022H;标志位

DSBZEQU023H;定时开关标志

ORG0000H;程序入口地址

AJMPMAIN;跳转到主程序执行

ORG001BH;定时计数器1中断入口地址

AJMPIT_1;跳转到低定时计数器1中断服务程序

ORG040H;主程序入口地址

MAIN:

MOVSPL,#00H;闪烁标志清零

MOVDPTR,#TABLE;码段首地址存放到数据指针

MOVHOUR,#00H;小时缓存清零

MOVMINUTE,#00H;分缓存清零

MOVSECOND,#00H;秒缓存清零

MOVD1HOUR,#00H;定时1小时缓存清零

MOVD1MINUTE,#00H;定时1分钟缓存清零

MOVD2HOUR,#00H;定时2小时缓存清零

MOVD2MINUTE,#00H;定时2分钟缓存清零

MOVAJBZ,#00H;按键次数缓存清零

MOVCOUNT1,#00H;总计数1清零

MOVCOUNT2,#00H;总计数2清零

MOVDSBZ,#00H;定时开关标志清零

CLRP3.1

MOVTMOD,#20H;设置计数方式

MOVTH1,#06H;定时计数器T1高八位初值

MOVTL1,#06H;定时计数器低八位初值

MOVIE,#10001000B;设置允许中断,并且打开两个定时器

SETBTR1;打开定时计数器T1

LOOP:

JNBP0.0,JUST_TIME

JBSET_BTN.0,JUST_TIME;标志位为1跳转

JNBP0.1,SUBB_TIME;减操作

JBSET_BTN.1,SUBB_TIME

JNBP0.2,ADD_TIME;加操作

JBSET_BTN.2,ADD_TIME

JBP0.3,TIME

CLRP3.1

TIME1:

JBSPL.2,DS1XS;定时1显示

JBSPL.3,DS1XS

JBSPL.4,DS1XS

JBSPL.5,DS2XS;检测定时2是否显示

JBSPL.6,DS2XS

JBSPL.7,DS2XS

ACALLHOUR_SHOW;小时显示ACALLMINUTE_SHOW;分钟显示

ACALLSECOND_SHOW;秒显示

ACALLDS1BJ

ACALLDS2BJ

AJMPLOOP

DS1XS:

ACALLD1HOUR_SHOW;定时1显示ACALLD1MINUTE_SHOW

ACALLD1SECOND_SHOW

AJMPLOOP

DS2XS:

ACALLD2HOUR_SHOW;定时2显示ACALLD2MINUTE_SHOW

ACALLD2SECOND_SHOW

AJMPLOOP

JUST_TIME:

JBSET_BTN.0,WAIT_UP;为1跳

ACALLDELAY2;防抖

JBP0.0,TIME;P0.0为1跳转

SETBSET_BTN.0

MOVR1,AJBZ

CJNER1,#08H,INC1

MOVAJBZ,#00H

MOVSPL,#00H

LJMPTIME

WAIT_UP:

JNBP0.0,TIME

CLRSET_BTN.0

LJMPTIME

SUBB_TIME:

LJMPSUBB_TIME1

TIME:

LJMPTIME1

ADD_TIME:

LJMPADD_TIME1

INC1:

INCAJBZ

MOVR1,AJBZ

CJNER1,#01H,JSFZ;计时分钟

SETBSPL.0

LJMPTIME

JSFZ:

CJNER1,#02H,DS1X

CLRSPL.0

SETBSPL.1

LJMPTIME

DS1X:

CJNER1,#03H,DS1FZ

CLRSPL.1

SETBSPL.2

LJMPTIME

DS1FZ:

CJNER1,#04H,DS1KG

CLRSPL.2

SETBSPL.3

LJMPTIME

DS1KG:

CJNER1,#05H,DS2X

CLRSPL.3

SETBSPL.4

LJMPTIME

DS2X:

CJNER1,#06H,DS2FZ

CLRSPL.4

SETBSPL.5

LJMPTIME

DS2FZ:

CJNER1,#07H,DS2KG

CLRSPL.5

SETBSPL.6

LJMPTIME

DS2KG:

CJNER1,#08H,TIME

CLRSPL.6

SETBSPL.7

LJMPTIME

SUBB_TIME1:

JBSET_BTN.1,WAIT_BTN2_UP

ACALLDELAY2

JBP0.1,TIME

SETBSET_BTN.1

JBSPL.0,SUBB_HOUR

JBSPL.1,SUBB_MIN

JBSPL.2,D1SUBB_HOUR

JBSPL.3,D1SUBB_MIN

JBSPL.4,GDS1

JBSPL.5,D2SUBB_HOUR

JBSPL.6,D2SUBB_MIN

JBSPL.7,GDS2

LJMPTIME

WAIT_BTN2_UP:

JNBP0.1,TIME

CLRSET_BTN.1

LJMPTIME

SUBB_HOUR:

MOVR1,HOUR

CJNER1,#00H,SUBB_HOUR_OPT

MOVHOUR,#17H

LJMPTIME

SUBB_HOUR_OPT:

DECHOUR

LJMPTIME

SUBB_MIN:

MOVR1,MINUTE

CJNER1,#00H,SUBB_MIN_OPT

MOVMINUTE,#3BH

LJMPTIME

SUBB_MIN_OPT:

DECMINUTE

LJMPTIME

D1SUBB_HOUR:

MOVR1,D1HOUR

CJNER1,#00H,D1SUBB_HOUR_OPTMOVD1HOUR,#17H

LJMPTIME

D1SUBB_HOUR_OPT:

DECD1HOUR

LJMPTIME

D1SUBB_MIN:

MOVR1,D1MINUTE

CJNER1,#00H,D1SUBB_MIN_OPT

MOVD1MINUTE,#3BH

LJMPTIME

D1SUBB_MIN_OPT:

DECD1MINUTE

LJMPTIME

GDS1:

CLRDSBZ.0

LJMPTIME

D2SUBB_HOUR:

MOVR1,D2HOUR

CJNER1,#00H,D2SUBB_HOUR_OPTMOVD2HOUR,#17H

LJMPTIME

D2SUBB_HOUR_OPT:

DECD2HOUR

LJMPTIME

D2SUBB_MIN:

MOVR1,D2MINUTE

CJNER1,#00H,D2SUBB_MIN_OPT

MOVD2MINUTE,#3BH

LJMPTIME

D2SUBB_MIN_OPT:

DECD2MINUTE

LJMPTIME

GDS2:

CLRDSBZ.1

LJMPTIME

ADD_TIME1:

JBSET_BTN.2,WAIT_BTN3_UPACALLDELAY2

JBP0.2,TIME2

SETBSET_BTN.2

JBSPL.0,ADD_HOUR

JBSPL.1,ADD_MIN

JBSPL.2,D1ADD_HOUR

JBSPL.3,D1ADD_MIN

JBSPL.4,KDS1

JBSPL.5,D2ADD_HOUR

JBSPL.6,D2ADD_MIN

JBSPL.7,KDS2

LJMPTIME2

WAIT_BTN3_UP:

JNBP0.2,TIME2

CLRSET_BTN.2

LJMPTIME2

ADD_HOUR:

MOVR1,HOUR

CJNER1,#17H,ADD_HOUR_OPT

MOVHOUR,#00H

LJMPTIME2

ADD_HOUR_OPT:

INCHOUR

LJMPTIME2

ADD_MIN:

MOVR1,MINUTE

CJNER1,#3BH,ADD_MIN_OPT

MOVMINUTE,#00H

LJMPTIME2

ADD_MIN_OPT:

INCMINUTE

LJMPTIME2

D1ADD_HOUR:

MOVR1,D1HOUR

CJNER1,#17H,D1ADD_HOUR_OPT

MOVD1HOUR,#00H

LJMPTIME2

D1ADD_HOUR_OPT:

INCD1HOUR

LJMPTIME2

D1ADD_MIN:

MOVR1,D1MINUTE

CJNER1,#3BH,D1ADD_MIN_OPT

MOVD1MINUTE,#00H

LJMPTIME2

D1ADD_MIN_OPT:

INCD1MINUTE

LJMPTIME

KDS1:

SETBDSBZ.0

TIME2:

LJMPTIME1

D2ADD_HOUR:

MOVR1,D2HOUR

CJNER1,#17H,D2ADD_HOUR_OPT

MOVD2HOUR,#00H

LJMPTIME2

D2ADD_HOUR_OPT:

INCD2HOUR

LJMPTIME2

D2ADD_MIN:

MOVR1,D2MINUTE

CJNER1,#3BH,D2ADD_MIN_OPT

MOVD2MINUTE,#00H

LJMPTIME2

D2ADD_MIN_OPT:

INCD2MINUTE

LJMPTIME2

KDS2:

SETBDSBZ.1

LJMPTIME2

HOUR_SHOW:

JNBSPL.0,HOUR_SHOW_HRER

JBTSPL.0,HOUR_SHOW_HRER

ACALLWAIT2_DL1

RET

HOUR_SHOW_HRER:

;小时显示SETBP2.6

CLRA

MOVA,HOUR

MOVB,#0AH

DIVAB;小时十位在A中,个位在B中

MOVCA,@A+DPTR

MOVP1,#00H;P1口控制显示数据,此时显示小时十位数据MOVP1,A

CLRP2.7;P2口控制位置（低电平有效;共阴显示

;延时

ACALLDELAY1

SETBP2.7;熄灭小时

MOVP1,#00H

MOVA,B;B中存放的小时各位数据放入A

MOVCA,@A+DPTR

MOVP1,