第1个回答 2012-05-24
#include"reg52.h"
#define uchar unsigned char
#define uint unsigned int
sbit wela=P2^7;
sbit dula=P2^6;
sbit s1=P3^4;//模式的选择
sbit s2=P3^5;//调高
sbit s3=P3^6;//调低
sbit s4=P3^7;//选择是否开启闹铃
sbit beep=P2^3;
uchar tt,num,t1,settime,bi;
uchar flag; //至位
int fen,miao,fen1=0,miao1=10;
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};
uchar dis[]={0x40,0x40,0x40,0x40,0x40,0x40};
void timedisplay();
void display();
void keydisplay();
void setdisplay();
void display1();
void delay(uchar z)
{
uchar i,j;
for(i=125;i>0;i--)
for(j=z;j>0;j--);
}
void warm()
{
if(bi==1)
{
beep=0;
TR1=1;
}
}
void init()
{
TMOD=0x11;
TH0=(65536-50000)/256;
TL0=(65536-50000)%6;
TH1=(65536-50000)/256;
TL1=(65536-50000)%6;
EA=1;
ET0=1;
ET1=1;
TR0=1;
}
void keyscan()
{
if(s4==0)
{
delay(5);
{
if (s4==0)
{
while(!s4);
bi++;
if(bi==2)
{
bi=0;
}
}
}
}
if(s1==0)
{
delay(5);
if(s1==0)
{
while(!s1);
num++;
if(num==3)
{
num=0;
}
}
}
if(num!=0)
{
if(s2==0)
{
delay(5);
if(s2==0)
{
if(num==1)
{
miao1++;
if(miao1==60)
miao1=0;
}
if(num==2)
{
fen1++;
if(fen1==60)
fen1=0;
}
while(!s2)
{
keydisplay();
}
}
}
if(s3==0)
{
delay(5);
if(s3==0)
{
if(num==1)
{
miao1--;
if(miao1==-1)
miao1=59;
}
if(num==2)
{
fen1--;
if(fen1==-1)
fen1=59;
}
while(!s3)
{
keydisplay();
}
}
}
}
}
void setdisplay() //设置模式下的显示
{
dis[0]=0x40;
dis[1]=0x40;
dis[2]=table[0];
dis[3]=table[num];
dis[4]=0x40;
dis[5]=0x40;
display();
}
void keydisplay() //通过按键加减时的显示
{
if((flag==1)&&(num==2))
{
dis[0]=table[fen1/10]&0x00;
dis[1]=table[fen1]&0x00;
}
else
{
dis[0]=table[fen1/10];
dis[1]=table[fen1];
}
dis[2]=0x40;
if((flag==1)&&(num==1))
{
dis[3]=table[miao1/10]&0x00;
dis[4]=table[miao1]&0x00;
}
else
{
dis[3]=table[miao1/10];
dis[4]=table[miao1];
}
dis[5]=0x40;
display();
}
void display() //基本的动态显示
{
dula=1; //the one
P0=dis[0];
dula=0;
wela=1;
P0=0xfe;
wela=0;
delay(1);
dula=1; //the two
P0=dis[1];
dula=0;
wela=1;
P0=0xfd;
wela=0;
delay(1);
dula=1; //the three
P0=dis[2];
dula=0;
wela=1;
P0=0xfb;
wela=0;
delay(1);
dula=1; //the four
P0=dis[3];
dula=0;
wela=1;
P0=0xf7;
wela=0;
delay(1);
dula=1; //the five
P0=dis[4];
dula=0;
wela=1;
P0=0xef;
wela=0;
delay(1);
dula=1; //the six
P0=dis[5];
dula=0;
wela=1;
P0=0xdf;
wela=0;
delay(1);
}
void timedisplay()
{
dis[0]=table[fen/10];
dis[1]=table[fen];
dis[2]=0x40;
dis[3]=table[miao/10];
dis[4]=table[miao];
dis[5]=0x40;
display();
}
void main()
{
init();
while(1)
{
keyscan();
if(num!=0)
{
keydisplay();
}
if(num==0)
{
timedisplay();
}
}
}
void timer0() interrupt 1
{
TH0=(65536-50000)/256;
TL0=(65536-50000)%6;
tt++;
if(tt==20)
{
tt=0;
miao++;
if(miao==60)
{
miao=0;
fen++;
if(fen==60)
{
fen=0;
}
}
}
if(!num&&fen1==fen&&miao1==miao)
{
warm();
}
settime++;
if(settime==10)
{
flag=1;
}
if(settime==20)
{
settime=0;
flag=0;
}
}
void timer1() interrupt 3
{
TH1=(65536-50000)/256;
TL1=(65536-50000)%6;
t1++;
if(t1==60)
{
t1=0;
beep=1;
}
}