0122

时钟

#include<reg52.h>

#define DataPort P1 
sbit LATCH1=P2^2;
sbit LATCH2=P2^3;


unsigned char code dofly_DuanMa[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};// 共阴显示段码值0~9
unsigned char code dofly_WeiMa[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};//分别对应相应的数码管点亮,即位码
void Display(unsigned char FirstBit,unsigned char Num);
unsigned char TempData[8];


unsigned char hour = 0;
unsigned char min = 0;
unsigned char sec = 0;
unsigned char msec = 0;


void Delay(unsigned int t)
{
while(--t);
}


void time0_isr(void) interrupt 1
{
EA = 0;


TH0 = 0XD8;
TL0 = 0XF0;
msec++;
if(msec == 100)
{
msec = 0;
sec++;
if(sec == 60)
{
sec = 0;
min++;
if(min == 60)
{
min = 0;
hour++;
if(hour == 24)
hour = 0;
}
}  
}
EA = 1;
}


void main(void)
{
TMOD = 0X01;
TH0 = 0XD8;
TL0 = 0XF0;


EA=1;            
  ET0=1;
TR0 = 1;



while(1)
{
TempData[0] = dofly_DuanMa[hour/10];
TempData[1] = dofly_DuanMa[hour%10]|0x80;


TempData[2] = dofly_DuanMa[min/10];
TempData[3] = dofly_DuanMa[min%10]|0x80;


TempData[4] = dofly_DuanMa[sec/10];
TempData[5] = dofly_DuanMa[sec%10];


//TempData[6] = dofly_DuanMa[msec/10];
//TempData[7] = dofly_DuanMa[msec%10];


Display(2,6);

}


}


void Display(unsigned char FirstBit,unsigned char Num)
{
      unsigned char i;


 for(i=0;i<Num;i++)
 {
  DataPort= 0x00; 
      LATCH1=1;    
      LATCH1=0;


DataPort=dofly_WeiMa[i+FirstBit];
      LATCH2=1;    
      LATCH2=0;


DataPort = TempData[i]; 
      LATCH1=1;    
      LATCH1=0;


Delay(200);
       }
}