}while(count==2);break;  
		  case 2:do					        //count=2,調整分 
		          {
				   hide_sec=0;
				   outkey();
				   Upkey();
				   Downkey();
				   if(temp>0x60)
				     temp=0;
				   if(up_flag==1||down_flag==1)
				   {
				   Write1302(0x8e,0x00); //寫入允許
				   Write1302(0x82,temp); //寫入新的分數 
				   Write1302(0x8e,0x80); //禁止寫入
				   up_flag=0;
				   down_flag=0;
				   }
				   hide_min++;
				   if(hide_min>3)
				     hide_min=0;
                   show_time();
				  }while(count==3);break;
		  case 3:do					        //count=3,調整小時
		          {
                   hide_min=0; 
				   outkey();
				   Upkey();
				   Downkey();
				   if(up_flag==1||down_flag==1)
				   {
				   Write1302(0x8e,0x00); //寫入允許
				   Write1302(0x84,temp); //寫入新的小時數
				   Write1302(0x8e,0x80); //禁止寫入
				   up_flag=0;
				   down_flag=0;
				   }
				   hide_hour++;
				   if(hide_hour>3)
				     hide_hour=0;
                   show_time();
				  }while(count==4);break;
		  case 4:do					        //count=4,調整星期
		          {
                   hide_hour=0; 
				   outkey();
				   Upkey();
				   Downkey();
				   if(up_flag==1||down_flag==1)
				   {
				   Write1302(0x8e,0x00); //寫入允許
				   Write1302(0x8a,temp); //寫入新的星期數
				   Write1302(0x8e,0x80); //禁止寫入
				   up_flag=0;
				   down_flag=0;
				   }
				   hide_week++;
				   if(hide_week>3)
				     hide_week=0;
                   show_time();
				  }while(count==5);break;
		  case 5:do					        //count=5,調整日
		          {
				   hide_week=0; 
				   outkey();
				   Upkey();
				   Downkey();
				   if(up_flag==1||down_flag==1)
				   {
				   Write1302(0x8e,0x00); //寫入允許
				   Write1302(0x86,temp); //寫入新的日數
				   Write1302(0x8e,0x80); //禁止寫入
				   up_flag=0;
				   down_flag=0;
				   }
				   hide_day++;
				   if(hide_day>3)
				     hide_day=0;
                   show_time();
				  }while(count==6);break;
		  case 6:do					        //count=6,調整月
		          {
                   hide_day=0; 
				   outkey();
				   Upkey();
				   Downkey();
				   if(up_flag==1||down_flag==1)
				   {
				   Write1302(0x8e,0x00); //寫入允許
				   Write1302(0x88,temp); //寫入新的月數
				   Write1302(0x8e,0x80); //禁止寫入
				   up_flag=0;
				   down_flag=0;
				   }
				   hide_month++;
				   if(hide_month>3)
				     hide_month=0;
                   show_time();
				  }while(count==7);break;
		  case 7:do					        //count=7,調整年 
		          {
                   hide_month=0; 
				   outkey();
				   Upkey();
				   Downkey();
				   if(up_flag==1||down_flag==1)
				   {
				   Write1302(0x8e,0x00); //寫入允許 
				   Write1302(0x8c,temp); //寫入新的年數 
				   Write1302(0x8e,0x80); //禁止寫入 
				   up_flag=0; 
				   down_flag=0;
				   }
				   hide_year++;
				   if(hide_year>3)
				     hide_year=0;
                   show_time();
				  }while(count==8);break;
		  case 8: count=0;hide_year=0;  //count8, 跳出調整模式,返回默認顯示狀態  
	              Second=Read1302(DS1302_SECOND);
                  Write1302(0x8e,0x00); //寫入允許
	              Write1302(0x80,Second&0x7f);
	              Write1302(0x8E,0x80);          //禁止寫入
				  done=0;
		  break; //count=7,開啟中斷,標志位置0并退出 
		  default:break;

		 }

}
//向ds1302寫入一字節子程序
void ds1302_write(unsigned char ds1302_temp)
{
   unsigned char i,temp;
   long_delay();
   temp=ds1302_temp;
   for(i=0;i<8;i++)
     {
	   DS1302_IO=temp&0x01;
	   short_delay();
	   DS1302_CLK=1;
	   short_delay();
	   DS1302_CLK=0;
	   temp=temp>>1;
	 }
}
//從ds1302讀取一字節子程序
unsigned char ds1302_read(void)
{
   unsigned char i,temp;
   long_delay();
   temp=0;
   for(i=0;i<8;i++)
     {
	    temp=temp>>1;
		if(DS1302_IO)
		  {
		     temp=temp|0x80;
		  }
		DS1302_CLK=1;
		short_delay();
		DS1302_CLK=0;
		short_delay(); 
	 }
	return(temp);
}
void show_time()
{
		uchar i;
	    DS1302_CLK=0;		
		short_delay();
		DS1302_RST=1;
		ds1302_write(0x81);
		i=ds1302_read();
		DS1302_RST=0;
		short_delay();
		DS1302_CLK=1;
		
		dispbuf[12]=(i>>4)&0x07;//秒
		dispbuf[13]=i&0x0f;
		
	    DS1302_CLK=0;		
		short_delay();
		DS1302_RST=1;
		ds1302_write(0x83);
		i=ds1302_read();
		DS1302_RST=0;
		short_delay();
		DS1302_CLK=1;
		
		dispbuf[10]=(i>>4)&0x07;//分
		dispbuf[11]=i&0x0f;
		 
	    DS1302_CLK=0;		
		short_delay();
		DS1302_RST=1;
		ds1302_write(0x85);
		i=ds1302_read();
		DS1302_RST=0;
		short_delay();
		DS1302_CLK=1;
			
		dispbuf[8]=(i>>4)&0x03;//小時
		dispbuf[9]=i&0x0f;

	    DS1302_CLK=0;		
		short_delay();
		DS1302_RST=1;
		ds1302_write(0x87);
		i=ds1302_read();
		DS1302_RST=0;
		short_delay();
		DS1302_CLK=1;
		
		dispbuf[6]=(i>>4)&0x03;//日
		dispbuf[7]=i&0x0f;

	    DS1302_CLK=0;		
		short_delay();
		DS1302_RST=1;
		ds1302_write(0x89);
		i=ds1302_read();
		DS1302_RST=0;
		short_delay();
		DS1302_CLK=1;
		
		dispbuf[4]=(i>>4)&0x01;//月
		dispbuf[5]=i&0x0f;

	    DS1302_CLK=0;		
		short_delay();
		DS1302_RST=1;
		ds1302_write(0x8d);
		i=ds1302_read();
		DS1302_RST=0;
		short_delay();
		DS1302_CLK=1;
		
		dispbuf[2]=(i>>4)&0x0f;//年
		dispbuf[3]=i&0x0f;

	    DS1302_CLK=0;		
		short_delay();
		DS1302_RST=1;
		ds1302_write(0x8b);
		i=ds1302_read();
		DS1302_RST=0;
		short_delay();
		DS1302_CLK=1;
		
		dispbuf[14]=((i&0x07)-1);//周	
}
//主程序
void main(void)
{
   flag=1;
   up_flag=0;
	down_flag=0;
	done=0;           //進入默認液晶顯示 
	wireless_1=0;
	wireless_2=0;
	wireless_3=0;
	wireless_4=0;
   TMOD=0x02;
   TL0=0x06;
   TH0=0x06;
   TR0=1;
   ET0=1;
   EA=1;
   DS1302_RST=0;
 	while(1)
	{   
        while(done==1)
          keydone();    //進入調整模式 
		while(done==0)
 	    {  
            show_time();                //液晶顯示數據  
            flag=0;                  
  		    Setkey();				 //掃描各功能鍵   
 		}
	}
}
void t0(void)interrupt 1 using 0
{
   mscnt++;
   if(mscnt==8)//2ms數碼管掃描顯示
     {
	    mscnt=0;
		P2=dispbitcnt;
		P1=dispcode[dispbuf[dispbitcnt]];
		dispbitcnt++;
		if(dispbitcnt==15)
		  dispbitcnt=0;
	 }
}