#include <at89x51.h>
#include <DS1302.h>
unsigned char code dispcode[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x40};
unsigned char time[]={0,0,0,0,0,0};//用來儲存時間
SYSTEMTIME  time1;   //在ds1302.h文件中已經定義了一個名字為SYSTEMTIME的結構體,在這里我們定義一個變量名
                     //為time的SYSTEMTIME結構體        
void delay(unsigned char i)     //延時子程序  
{
  unsigned char j;
  while((i--)!=0)
  {
    for(j=123;j>0;j--);
  }
}
void display(qian,bai,shi,ge,fen,miao)    //顯示子程序
unsigned char qian,bai,shi,ge,fen,miao;  
{ 
  P2=0xfe;
  SBUF=dispcode[qian];
  P3_2=1;
  delay(3);
  P3_2=0;

  P2=0xfd;
  SBUF=dispcode[bai];
  P3_2=1;
  delay(3);
  P3_2=0;

  P2=0xfb;
  SBUF=0x40;
  P3_2=1;
  delay(3);
  P3_2=0;

  P2=0xf7;
  SBUF=dispcode[shi];
  P3_2=1;
  delay(3);
  P3_2=0;

  P2=0xef;
  SBUF=dispcode[ge];
  P3_2=1;
  delay(3);
  P3_2=0;

  P2=0xdf;
  SBUF=0x40;
  P3_2=1;
  delay(3);
  P3_2=0;

  P2=0xbf;
  SBUF=dispcode[fen];
  P3_2=1;
  delay(3);
  P3_2=0;

  P2=0x7f;
  SBUF=dispcode[miao];
  P3_2=1;
  delay(3);
  P3_2=0;
}   
void main()
{
   Initial_DS1302();                    //初始化DS1302這個時鐘芯片,   
   while(1)                             //無限地循環
   {
       DS1302_GetTime(&time1);          //讀取時間參數            
       time[5]=(time1.Second)%10;       //把秒的個位數據存入time[5]
       time[4]=(time1.Second)/10;       //把秒的十位數據存入time[4]
       time[3]=(time1.Minute)%10;       //把分的個位數據存入time[3]
       time[2]=(time1.Minute)/10;       //把分的十位數據存入time[2]
       time[1]=(time1.Hour)%10;         //把時的個位數據存入time[1]
       time[0]=(time1.Hour)/10; 	    //把時的十位數據存入time[0]
    display(time[0],time[1],time[2],time[3],time[4],time[5]);                        //顯示時間
  }   	 
    } 	
	void uart() interrupt 4
{
    TI=0;
}