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#include <reg51.h>
#include<intrins.h>
void UsartConfiguration();
unsigned char p;
#define uint unsigned int
#define uchar unsigned char
uchar code duan[]={0x76,0x79,0x38,0x38,0x3f};
uchar wei[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
unsigned char code tab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
int num,second,minute,hour,a;
int i,j,k,m,n,s,t;
unsigned char PuZh[16];
unsigned char src[16] = {0,1,2,3,4,5,6,7,8,9};
sbit stop=P3^5;
sbit clear=P3^6;
sbit start=P3^7;
sbit hourjia=P2^0;
sbit hourjian=P2^1;
sbit minutejia=P2^2;
sbit minutejian=P2^3;
sbit clock=P2^4;
sbit ledground=P2^5;
void mDelay(unsigned int mDelay)
{ unsigned int i;
for(;mDelay>0;mDelay--)
{ for(i=0;i<124;i++)
{;}
}
}
void liushuideng()
{
int k=2;
while(k--)
{ int i;
ledground=0;
P0=0x01;
mDelay(500);
for(i=0;i<7;i++)
{
P0=P0<<1;
mDelay(100);
}
ledground=1;
}
}
void shumaguan_init()
{
P0=0xff;
P1=0x00;
mDelay(900);
P0=~0xff;
P1=0x00;
mDelay(900);
}
void shumaguan()
{
uchar n;
int z=50;
while(z--)
{
for(n=0;n<5;n++)
{
P1=wei[n];
P0=duan[n];
mDelay(1);
}
}
}
void UsartConfiguration()
{
SCON=0X50;
TMOD=0X21;
PCON=0X80;
TH1=0XF3;
TL1=0XF3;
TR1=1;
}
void Interrupt_0() interrupt 1
{ TH0=-50000/256;
TL0=-50000%256;
num++;
if(num%5==0)
{ if(minutejia==0)
{minute++;mDelay(2);if(minute>59) minute=0;}
if(minutejian==0)
{ minute--;mDelay(2);if(minute<0) minute=59;}
if(hourjia==0)
{hour++;mDelay(2);if(hour>23) hour=0;}
if(hourjian==0)
{hour--;mDelay(2);if(hour<0) hour=23;}
}
if(num==20)
{ num=0;
second=second+1;
if(second>59)
{second=0;minute=minute+1;}
if(minute>59)
{minute=0;hour=hour+1;}
if(hour>23)
hour=0;
}
}
void main()
{
clock=0;
liushuideng();
shumaguan_init();
shumaguan();
a=-50000;
TH0=-50000/256;
TL0=-50000%256;
EA=1;
ET0=1;
TR0=1;
hour=23;
minute=58;
second=40;
UsartConfiguration();
while(1)
{
for(p=0; p<16; p++)
{
SBUF = PuZh[p];
while(!TI);
TI=0;
}
mDelay(3);
if(stop==0) { TR0=0;}
if(clear==0)
{
hour=0;
second=0;
minute=0;
TR0=0;
}
if(start==0)
{TR0=1;}
j=second%10;
k=second/10;
m=minute%10;
n=minute/10;
s=hour%10;
t=hour/10;
PuZh[0] = src[hour/10]+0x30;
PuZh[1] = src[hour% 10]+0x30;
PuZh[2] = 0x2D;
PuZh[3] = src[minute/ 10]+0x30;
PuZh[4] = src[minute% 10]+0x30;
if(hour==0&&minute==0)
clock=1;
else
clock=0;
P1=0x7f;
P0=tab[j];
mDelay(1);
P1=0xbf;
P0=tab[k];
mDelay(1);
P1=0xdb;
P0=0x40;
mDelay(1);
P1=0xef;
P0=tab[m];
mDelay(1);
P1=0xf7;
P0=tab[n];
mDelay(1);
P1=0xfd;
P0=tab[s];
mDelay(1);
P1=0xfe;
P0=tab[t];
mDelay(1);
}
}

復制代碼

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