求单片机C语言的电子闹钟设计程序 其功能只要有闹钟，一天24小时的时钟功能就行。

#include<reg51.h>

uchar code tab[10]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F}

void view() /*七段数码管显示程序 七个管轮流液悉显示*/

{P3=0x01

unsigned int i=0

while(i<6)

{n=vnum

P1=tab[n]

P3<<=1

i++

}

}

void mDelay(unsigned int Delay) /*延时程序*/

{ unsigned int i

for(Delay>虚埋州0Delay--)

{ for(i=0i<124i++)

{}

}

}

void jumpnum() /*用于钟表时分秒的进位*/

{if(jnum(5)>9) /*秒进位

{jnum[4]=jnum[4]+1

jnum[5]=0

if(jnum[4]>6) /*秒到分进位

{jnum[3]=jnum[3]+1

jum[4]=0

if(jnum[3]>9) /*分进位

{jnum[2]=jnum[2]+1

jnum[3]=0

if(jnum[2]>6) /*分到时进位

{jnum[1]=jnum[1]+1

jnum[2]=0

if(jnum[1]>9) /*时的进位

{jnum[1]=0

jnum[0]=jnum[0]+1

}

else if(jnum[1]>4&&jnum[0]>=2)

{jnum[1]=0

jnum[0]=0

}

}

}

}

}

void key() /*键盘控制程序

{if((P2&0xFF)!=0xFF)/*防抖动

{mDelay(3000)

if((P2&0xFF)!=0xFF)

{unsign int c

c=1

while(c<4)

{ if((P2&0xFF)!=0xFF)

{mDelay(3000)

vnum[]=num[]

void view()

if((P2&0xFF)!=0xFF)

{switch(P2): /*判断不同的按键

{case 0xFE: c++/*c用于判断是闹钟调时c=3还是时钟调时c=2

case oxFD :if(c=2) /*分位增加

{num[3]++}

else if(c=3)

{lnum[3]++

}

case oxFC :if(c=2) /*时位增加

{num[1]++}

else if(c=3)

{lnum[1]++

}

}

if(c=2) /*增加后判断是否需要进位

{jnum[]=num[]

jumpnum()

vnum[]=num[]

void view[]}

if(c=3)

{jnum[]=lnum[]

jumpnum()

vnum[]=num[]

void view[]}}}}}}}

void clock() /*闹钟程序

{for(cl=0num[cl]==lnum(cl)cl=cl+1) /*当前时间与设定时间相同

{}

unsigned int kp=0

if(cl==5&&kp==0) /*闹钟铃声

{for(i=1i<100i++)

{P1_7=~P1_7

for(j=1i<=100j++)}

void mDelay(3000)

for(i=1i<100i++)

{P1_7=~P1_7

for(j=1i<=100j++)}

vnum[]=num[]

void view()

if((P2&0xFF)!=0xFF)/*判断是否有按键，有则停止闹钟

{mDelayd(3000)

void view()

if((P2&0xFF)!=0xFF)

{kp=1}

}}}

viod intclock() /*整点报时程序

{unsigned int ic,i

if(num[2]==5&&num[3]==9&&num[4]==5&&num[5]==0) /*判断差十秒整点差蔽

{if(ic=num[5]+2(ic==(num[5]+2))&&num[5]<59ic=num[5]) /*开始发出500hz声因

{for(i=0i<100i++)

{P1_7=~P1_7

for(i=0i<=100i++)

}

for(i=1i<150i++) /*1000hz声音

{P1_7=~P1_7

for(i=0i<=50i++)

}}}}

void count() inturrupt 1 using 2 /*计时程序

{cn++

if(cn==20)

{num[5]++

cn=0

}

}

void main()

{ P2=0x00

unsigned int num[5],jnum[5],lnum[5]

ET0=1

EA=1

TR0=1

EX0=1

EX1=1

IT0=1

IT1=1

TMOD=0x01

TH0=0x3C

TL0=0xB0

unsigned int cn=0

P2=0x00

while(1)

{void key()

void view()

void jumpnumber()

void clock()

void intclock()

}

}

#include

#include

#include

#include

#include

void

main()

{

int

gd=DETECT,gm

int

x=320,y=240,r=200,i,h,m,s,thetamin,thetasec

struct

time

t

char

n[12][3]={"3","2","1","12","11","10","9","8","7","6","5","4"}

initgraph(&gd,&gm,"g:\\物亩tc\\bgi")//图形驱动器路径,根据自己的系统更换。

circle(x,y,210)

setcolor(4)

settextstyle(4,0,5)

for(i=0i<12i++)

{

if(i!=3)

outtextxy(x+(r-14)*cos(M_PI/6*i)-10,y-(r-14)*sin(M_PI/6*i)-26,n[i])

else

outtextxy(x+(r-14)*cos(M_PI/6*i)-20,y-(r-14)*sin(M_PI/6*i)-26,n[i])

}

gettime(&t)

printf("The

current

time

is:

%2d:%02d:%02d.%02d\n",t.ti_hour,

t.ti_min,

t.ti_sec,

t.ti_hund)

while(!kbhit())

{

setcolor(5)

setfillstyle(1,5)

circle(x,y,10)

floodfill(x,y,5)

gettime(&t)

if(t.ti_min!=m)

{

setcolor(0)

line(x,y,x+(r-60)*cos(thetamin*(M_PI/180)),y-(r-60)*sin(thetamin*(M_PI/180

)))

circle(x+(r-80)*cos(thetamin*(M_PI/180)),y-(r-80)*sin(thetamin*(M_PI/180))

,10)

line(x,y,x+(r-110)*cos(M_PI/6*h-((m/2)*(M_PI/180))),y-(r-110)*sin(M_PI/6*h

-((m/2)*(M_PI/180))))

circle(x+(r-130)*cos(M_PI/6*h-((m/2)*(M_PI/180))),y-(r-130)*sin(M_PI/6*h-(

(m/2)*(M_PI/180))),10)

}

if(t.ti_hour>12)

t.ti_hour=t.ti_hour-12

if(t.ti_hour<核腔4)

h=abs(t.ti_hour-3)

else&n

bsp

h=15-t.ti_hour

m=t.ti_min

if(t.ti_min<=15)

thetamin=(15-t.ti_min)*6

else

thetamin=450-t.ti_min*6

if(t.ti_sec<=15)

thetasec=(15-t.ti_sec)*6

else

thetasec=450-t.ti_sec*6

setcolor(4)

line(x,y,x+(r-110)*cos(M_PI/6*h-((m/2)*(M_PI/180))),y-(r-110)*sin(M_PI/6*h

-((m/2)*(M_PI/罩氏森180))))

circle(x+(r-130)*cos(M_PI/6*h-((m/2)*(M_PI/180))),y-(r-130)*sin(M_PI/6*h-(

(m/2)*(M_PI/180))),10)

line(x,y,x+(r-60)*cos(thetamin*(M_PI/180)),y-(r-60)*sin(thetamin*(M_PI/180

)))

circle(x+(r-80)*cos(thetamin*(M_PI/180)),y-(r-80)*sin(thetamin*(M_PI/180))

,10)

setcolor(15)

line(x,y,x+(r-70)*cos(thetasec*(M_PI/180)),y-(r-70)*sin(thetasec*(M_PI/180

)))

delay(1000)

setcolor(0)

line(x,y,x+(r-70)*cos(thetasec*(M_PI/180)),y-(r-70)*sin(thetasec*(M_PI/180

)))

}

}

该程序已在Turbo

C++3.0中通过编译.