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cludereg51h包含51单片机寄存器定义的头文件r
u
sig
edcharTab0xc00xf90xa40xb00x990x920x820xf80x800x900x7f0xffco
trolshaper
u
sig
edcharport80xfe0xfd0xfb0xf7r
defi
eucharu
sig
edcharr
defi
eui
tu
sig
edi
tr
uchari
t_timeseco
dmi
utehouryearmo
thdaytimer
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ta0r
sbitK1P34sbitK2P35sbitK3P36r
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voiddelayui
tz延时函数r
ui
txyforxzx0xfory110y0yr
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voidDisplayhourmi
uteucharhm显示小时分钟的子程序r
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P20xfeP0Tabh10delay1r
P20xfdP0Tabh10delay1r
P20xfdP0Tab10delay1r
P20xfbP0Tabm10delay1r
P20xf7P0Tabm10delay1r
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voidDisplayseco
duchars显示秒的子程序r
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P20xfbP0Tabs10delay1延时1msr
P20xf7P0Tabs10delay1r
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voidKeysca
键盘扫描程序r
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P30xffdelay1r
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ifK10delay10延时10msr
ifK10r
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TR00r
Displayhourmi
utehourmi
utedelay1r
hourTR01r
ifhour24hour0r
whileK10delay10等待释放r
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ifK20delay10延时10msr
ifK20r
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TR00r
Displayhourmi
utehourmi
utedelay1r
mi
uteTR01r
ifmi
ute60mi
ute0r
whileK20delay10r
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ifK30delay10延时10msr
ifK30r
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TR00r
Displayseco
dseco
ddelay1r
seco
dTR01r
ifseco
d60seco
d0r
whileK30delay10r
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函数功能：主函数r
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voidmai
voidr
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TMOD0x01使用定时器T0ttr
EA1开中断总允许r
ET01允许T0中断r
TH06553646083256定时器高八位赋初值r
TL06553646083256定时器低八位赋初值r
TR01r
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t_time0中断计数变量初始化r
seco
d0秒计数变量初始化r
mi
ute12分钟计数变量初始化r
hour12小时计数变量初始化r
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while1r
tKeysca
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ifa1r
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Displayhourmi
utehourmi
ute调用分钟显示子程序r
delay1r
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ifa1tttr
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Displayseco
dseco
d调用秒显示子程序r
delay1r
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函数功能：定时器T0的中断服务子程序r
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voidt0voidi
terrupt1usi
g1ur