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#include <atmel\at89x52.h>
#include <string.h>

#define comdir P3_2
#define wirespeaker P1_3
#define wiret0 T0
#define wiret1 T1
#define adr_delay1s 0x1086
#define adr_print10ms 0x1000
#define adr_print80ms 0x101A
#define adr_screen_black 0x10BA
#define adr_screen_clear 0x10CD
#define adr_key_search 0X10EB
#define adr_sound500hz 0x109E
#define max_timer 24*3
void (* pFunc)(void); //定義指向函數(shù)的指針
void (* Print80ms)(void);
int CodeChange(int i);
/*define a struct*/
struct time_str{
unsigned char hour;
unsigned char min;
unsigned char sec;
}today;
int depart=20;
int t0int_flag=0;
unsigned char data dispbuf[8] _at_ 0x30;
unsigned char code Sound_Date[max_timer]={
0x00 0 0 0 0 0 0 0 0 0 0 0
0x0b 0 0 0 0 0 0 0 0 0 0 0
0x0b 0 0 0 0 0 0 0 0 0 0 0
0x0b 0 0 0 0 0 0 0 0 0 0 0
0x0b 0 0 0 0 0 0 0 0 0 0 0
0x0b 0 0 0 0 0 0 0 0 0 0 0
};
/*TIMER0 INTERRUPT*/
void timer0(void) interrupt 1{
wiret1=!wiret1;
TH0=0X3C;
TL0=0XB0;
depart-=1;
if (depart%10==0){
t0int_flag=!t0int_flag;
}
if (depart==0){
   depart=20;
   today.sec+=1;
   wiret0=!wiret0;
   if (today.sec==60){
      today.sec=0;
      today.min+=1;
      if(today.min==60){
        today.min=0;
        today.hour+=1;
        if(today.hour==24){
          today.hour=0;
          }
        }
      }
   }
}
/*SERIAL PORT INTERRUPT*/
void serial(void) interrupt 4{
}
main()
{
char *P;
int j=0;
int i=0;
int k=0;
P3_4=0; //T0=0
P3_4=1; //T0=1
P3_5=0; //T1=0
P3_5=1; //T1=1
pFunc=adr_screen_black; //screen black
(*pFunc)();
pFunc=adr_screen_clear; //clrar screen ram
(*pFunc)();

/*P=0X30;
(*P)=0X79;
P++;
(*P)=0X71;*/
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//SP=0XD0;
TMOD=0X21;
//TH1=0XF3;
//TL1=0XF3;
//PCON=0;
//SCON=0X40;
//TR1=1;
ET1=0;
//REN=1;
TH0=0X3C; /* 50ms interrupt */
TL0=0XB0;
TR0=1;
ET0=1;
EA=1;
//TI=0;
//SBUF=0XAA; //MON51 占用串口
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
pFunc=adr_sound500hz;
(*pFunc)(); /*發(fā)聲音一秒*/
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
today.hour=0;
today.min=0;
today.sec=0;
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
for(;;)
{
pFunc=adr_print10ms;
(*pFunc)(); /*screen out*/

j=CodeChange(today.hour/10);
k=CodeChange(today.hour%10);
k=k|0x80;
P=0x30;
(*P)=j;
P++;
(*P)=k;
P++;
j=CodeChange(today.min/10);
k=CodeChange(today.min%10);
(t0int_flag==1)?(k=k|0x80):(k=k&0x7f);
(*P)=j;
P++;
(*P)=k;
P++;
j=CodeChange(today.sec/10);
k=CodeChange(today.sec%10);
(*P)=j;
P++;
(*P)=k;

for(i=0;i<max_timer/3;i++){
    if((today.hour==Sound_Date[i*3])&&(today.min==Sound_Date[i*3+1])&&(today.sec==Sound_Date[i*3+2])){
        pFunc=adr_sound500hz;
        (* pFunc)(); /*發(fā)聲音一秒*/
    }
    }
    pFunc=adr_key_search;
    (* pFunc)();
    i=ACC;
    if (CY==1) {
      //while (CY==1){ /***等待放手***/
      pFunc=adr_print80ms;
      (* pFunc)();
      (* pFunc)();
      (* pFunc)();
      //pFunc=adr_key_search;
      //(* pFunc)();
      //}
    switch(i){
      case 7:
      today.hour+=1;
      if(today.hour>23){today.hour=0;}
      break;
      case 6:
      today.hour-=1;
      if(today.hour==255){today.hour=23;}
      break;
      case 5:
      today.min+=1;
      if(today.min>59){today.min=0;}
      break;
      case 4:
      today.min-=1;
      if(today.min==255){today.min=59;}
      break;
      case 3:
      today.sec+=1;
      if(today.sec>59){today.sec=0;}
      break;
      case 2:
      today.sec-=1;
      if(today.sec==255){today.sec=59;}
      break;
      }
    }
  }
}

//clock table:6:00:00 6:30:00 7:00 7:45:00 0:2:08 0:3:09
int CodeChange(int i){
// 3fh 6 5 4 66 6 7 7 7 67 {
  case 0:
  i=0X3F;
  break;
  case 1:
  i=0X6;
  break;
  case 2:
  i=0X5b;
  break;
  case 3:
  i=0X4F;
  break;
  case 4:
  i=0X66;
  break;
  case 5:
  i=0X6d;
  break;
  case 6:
  i=0X7d;
  break;
  case 7:
  i=0X7;
  break;
  case 8:
  i=0X7f;
  break;
  case 9:
  i=0X67;
  break;
  };
return i;
}