#include <AT89X51.H>

//以下是0,1,2,3,4,5,6,7,8,9,A,b,c,d,E,F的字模；
unsigned char code display[]={0xfc,0x60,0xda,0xf2,0x66,0xb6,0xbe,0xe0,0xfe,0xf6,0xee,0x3e,0x9c,0x7a,0x9e,0x8e,0X00,0x02,0xff};
//以下是數(shù)碼管的位選；
unsigned char weixuan[]={0xf7,0xfb,0xfd,0xfe,0x7f,0xbf,0xdf,0xef};
//unsigned char weixuan[]={0xef,0xdf,0xbf,0x7f,0xfe,0xfd,0xfb,0xf7};
unsigned char shuzhu0[8]={0,0,0,0,0,0,0,0};  
unsigned char shuzhu1[8]={0,0,0,0,0,0,0,0}; 
unsigned int count,count0,count1;
unsigned char second,minute,hour,t;
unsigned char day,month,year;
bit flag,flag0;
sbit PR=P3^7;

//以下是延時程序



void delay(void)                
 {
  unsigned char i,j;
  for(i=20;i>0;i--)
  for(j=248;j>0;j--);
 }
//主函數(shù)
 void main(void)
  {
   
   TMOD=0x02;
   TH0=0x06;
   TL0=0x06;
   ET0=1;
   EA=1;
   TR0=1;
   flag=0;
   P1_1=1;
   P1_0=0;
   flag0=1;
   
   while(1)
    {
	 
	/*********************報時程序*****************************/
     if(((minute==30)||(minute==0))&&(count<4000)&&(second==0)) P1_3=1;
	  
	  else  P1_0=0;
		 
	
	//語音程序



   if(P3_5==0)
	  {
	    delay();
        if(P3_5==0)
		 { 
		   PR=0;
		   P1_7=0;
		   P1_6=0;
		
	
		 }	 
	   while(P3_5==0);	 
	     P1_7=1;
		  P1_6=1;
	  }
  
  	if(P3_6==0)
	  {
	    delay();
        if(P3_6==0)
		 { PR=1;
		  P1_7=0;
		  P1_6=0;
	
		 }	 
	   while(P3_6==0);	 
	     P1_7=1;
		 P1_6=1;
	  }
  
	/********當這個鍵按下P1_0=0時才能調整時間當P1_0=1時不能調整時間日期***************************************/	
	if(P3_4==0)
	  {
	    delay();
        if(P3_4==0)
		 {
		  P1_1=~P1_1;
		  if(P1_1==1) flag0=1; else if(P1_1==0) flag0=0;
		 }
		 
	 while(P3_4==0);	 
	  
	  }
    /***************時間\日期切換程序***********************************/
	if(P3_0==0) 
	  {
	   delay();
       if(P3_0==0) 
	    {
		 flag=~flag;
		}
       while(P3_0==0);
     }
          
	   
/***************秒\天調整程序***********************************************/	   
	           
	    
        if((P3_1==0)&&(flag==0)&&( P1_1==0))                 
	    {

          delay();
		   if((P3_1==0)&&(flag==0)&&( P1_1==0))  
           { 
		    second++;
            if(second==60)
                  {
                   second=0;
			      }
				  while(P3_1==0);   
				  }
		 }	 
	else if((P3_1==0)&&(flag==1)&&( P1_1==0))			  
         {
		   
          delay();
		  if((P3_1==0)&&(flag==1)&&( P1_1==0))
           { 
		    day++;
         if(day==32)
                  {
                   day=0;
			      }
				  while(P3_1==0);   
				  }
		 
		 
		 }
			 
/*****************分\月調整程序****************************/        
        if((P3_2==0)&&(flag==0)&&( P1_1==0))                 
	    {

          delay();
		  if((P3_2==0)&&(flag==0)&&( P1_1==0)) 
           { 
		    minute++;
            if(minute==60)
                  {
                    minute=0;
				 }
				  while(P3_2==0);   
				  }
		 }
        
else  if((P3_2==0)&&(flag==1)&&( P1_1==0))
 {
    delay();
		  if((P3_2==0)&&(flag==1)&&( P1_1==0))
           { 
		    month++;
            if( month==13)
                  {
                     month=0;
				 }
				  while(P3_2==0);   
				  }
 
 }
    
/*************時\年調整程序*************************************/

  if((P3_3==0) &&(flag==0)&&( P1_1==0))                
	    {

          delay();
		   delay();
     if((P3_3==0) &&(flag==0)&&( P1_1==0)) 
           { 
		    hour++;
            
              if(hour==24)
                  {
				   hour=0;
				  }  
				  while(P3_3==0);  
         }
		}		  
else if((P3_3==0) &&(flag==1)&&( P1_1==0)) 
 {
     delay();
		  if((P3_3==0) &&(flag==1)&&( P1_1==0)) 
           { 
		    year++;
            
              if(year==99)
                  {
				   year=0;
				  }  
				  while(P3_3==0);
         }
 
 
 }  
				  
/*****************************************************/				  

}
  }			  

              

         
	  
	
/**************中斷***************************************/	

void t0(void) interrupt 1 using 0
 {
   
   
   count0++;
   
     if(count0==8)
   {
    count0=0;
    if(flag==1) {P0=display[shuzhu1[count1]];}
      else P0=display[shuzhu0[count1]];
	P2=weixuan[count1];
	count1++;
	if(count1==8)
	 {
	  count1=0;
	 }
   }
  
  if(flag0==1)
{  
  count++;
   if(count==4000)
    {
	 count=0;
	 second++;
	 if(second==60)
	  {
	   second=0;
	   minute++;
	   if(minute==60)
	    {
		 minute=0;
		 hour++;
		 if(hour==24)
		  {
		   hour=0;
		   day++;
		   if(day==32)
		    {
			 day=0;
			 month++;
			 if(month==13)
			  {
			   month=0;
			   year++;
			   if(year==99)
			    {
				 year=0;
				 second=0;
				 minute=0;
				 hour=0;
				 day=0;
				 month=0;
				 
				}
			  }
			}

		  }

		}
	  }
	
 }
  }
 /*************************時間顯示數(shù)組****************************/
  shuzhu0[0]=second%10;
  shuzhu0[1]=second/10;
  shuzhu0[3]=minute%10;
  shuzhu0[4]=minute/10;
  shuzhu0[6]=hour%10;
  shuzhu0[7]=hour/10;
  shuzhu0[2]=17;
  shuzhu0[5]=17;
/***********年月顯示數(shù)組******************************************/  
  shuzhu1[0]=day%10;
  shuzhu1[1]=day/10;
  shuzhu1[3]=month%10;
  shuzhu1[4]=month/10;
  shuzhu1[6]=year%10;
  shuzhu1[7]=year/10;
  shuzhu1[2]=16;
  shuzhu1[5]=18;


 }