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    1. 新聞中心

      EEPW首頁(yè) > 嵌入式系統(tǒng) > 設(shè)計(jì)應(yīng)用 > DS1302用1602顯示加按鍵調(diào)時(shí)

      DS1302用1602顯示加按鍵調(diào)時(shí)

      作者: 時(shí)間:2016-12-02 來(lái)源:網(wǎng)絡(luò) 收藏

      /*********************向1602寫入時(shí)間****************************/
      void write_second()
      {
      uchar shi,ge;
      shi=second/10;
      ge=second%10;
      Write1602(0x80+0x40+9,0x30+shi);
      Write1602(0x80+0x40+10,0x30+ge);
      }
      void write_minute()
      {
      uchar shi,ge;
      shi=minute/10;
      ge=minute%10;
      Write1602(0x80+0x40+6,0x30+shi);
      Write1602(0x80+0x40+7,0x30+ge);
      }
      void write_hour()
      {
      uchar shi,ge;
      shi=hour/10;
      ge=hour%10;
      Write1602(0x80+0x40+3,0x30+shi);
      Write1602(0x80+0x40+4,0x30+ge);
      }

      本文引用地址:http://www.biyoush.com/article/201612/324681.htm

      void write_day()
      {
      uchar shi,ge;
      shi=day/10;
      ge=day%10;
      Write1602(0x80+8,0x30+shi);
      Write1602(0x80+9,0x30+ge);
      }
      void write_month()
      {
      uchar shi,ge;
      shi=month/10;
      ge=month%10;
      Write1602(0x80+5,0x30+shi);
      Write1602(0x80+6,0x30+ge);
      }
      void write_year()
      {
      uchar shi,ge;
      shi=year/10;
      ge=year%10;
      Write1602(0x80+2,0x30+shi);
      Write1602(0x80+3,0x30+ge);
      }
      void write_week()
      {
      Write1602(0x80+12,0x30+week);
      //uchar week;
      switch(week)
      {
      case 1: Write1602(0x80+12,M);
      Write1602(0x80+13,O);
      Write1602(0x80+14,N);
      break;
      case 2:Write1602(0x80+12,T);
      Write1602(0x80+13,U);
      Write1602(0x80+14,E);
      break;
      case 3:Write1602(0x80+12,W);
      Write1602(0x80+13,E);
      Write1602(0x80+14,N);
      break;
      case 4:Write1602(0x80+12,T);
      Write1602(0x80+13,H);
      Write1602(0x80+14,U);
      break;
      case 5:Write1602(0x80+12,F);
      Write1602(0x80+13,R);
      Write1602(0x80+14,I);
      break;
      case 6:Write1602(0x80+12,S);
      Write1602(0x80+13,A);
      Write1602(0x80+14,T);
      break;
      case 7:Write1602(0x80+12,S);
      Write1602(0x80+13,U);
      Write1602(0x80+14,N);
      break;
      }
      }
      /*********************鍵盤掃描****************************/
      void keyscan()
      {
      if(key==0)
      {
      delay(5);
      if(key==0);//防止誤動(dòng)作
      {

      S1num++;
      while(!key);
      switch(S1num)
      {
      case 1:
      keyflag=1;
      write_1302(0x8e,0x00);//去除寫保護(hù)
      write_1302(0x80,0x80);//時(shí)鐘停下
      write_1602com(0x80+0x40+10);
      write_1602com(0x0f);
      break;
      case 2:
      write_1602com(0x80+0x40+7);
      break;
      case 3:
      write_1602com(0x80+0x40+4);
      break;
      case 4:
      write_1602com(0x80+9);
      break;
      case 5:
      write_1602com(0x80+6);
      break;
      case 6:
      write_1602com(0x80+3);
      break;
      case 7:
      write_1602com(0x80+12);
      break;
      case 8:
      S1num=0;
      keyflag=0;

      write_1602com(0x0c);//不顯示光標(biāo)
      write_1302(0x80,0x00);//禁止寫保護(hù)
      write_1302(0x80,(second/10)<<4|second%10);//將調(diào)節(jié)后的秒寫入DS1302
      write_1302(0x82,(minute/10)<<4|minute%10);//將調(diào)節(jié)后的分寫入DS1302
      write_1302(0x84,(hour/10)<<4|hour%10);//將調(diào)節(jié)后的時(shí)寫入DS1302
      write_1302(0x8a,(week/10)<<4|week%10);//將調(diào)節(jié)后的星期寫入DS1302
      write_1302(0x86,(day/10)<<4|day%10);//將調(diào)節(jié)后的日寫入DS1302
      write_1302(0x88,(month/10)<<4|month%10);//將調(diào)節(jié)后的月寫入DS1302
      write_1302(0x8c,(year/10)<<4|year%10);//
      //write_1302(0x80,0x00);//時(shí)鐘繼續(xù)走這一句不能加在這,否則每次調(diào) 完時(shí)后秒會(huì)歸O
      write_1302(0x8e,0x80);//寫保護(hù)關(guān)
      //write_1602com(0x0c);
      break;
      }
      }
      }
      if(S1num!=0)
      {
      if(K1==0)
      {
      delay(5);
      while(!K1);
      switch(S1num)
      {
      case 1:
      second++;
      if(second==60)second=0;
      //write_1302(0x8e,0x00);//去除寫保護(hù)
      write_second();
      write_1602com(0x80+0x40+10);
      break;
      case 2:
      minute++;
      if(minute==60)minute=0;
      write_minute();
      write_1602com(0x80+0x40+7);
      break;
      case 3:
      hour++;
      if(hour==24)hour=0;
      write_hour();
      write_1602com(0x80+0x40+4);
      break;
      case 4:
      day++;
      write_day();
      write_1602com(0x80+9);
      break;
      case 5:
      month++;
      write_month();
      write_1602com(0x80+6);
      break;
      case 6:
      year++;
      write_year();
      write_1602com(0x80+3);
      break;
      case 7:
      week++;
      write_week();
      write_1602com(0x80+12);
      break;
      // default:break;
      }
      }
      if(K2==0)
      {
      delay(5);
      while(!K2);
      switch(S1num)
      {
      case 1:
      second--;
      if(second<0)second=59;
      write_second();
      write_1602com(0x80+0x40+10);
      break;
      case 2:
      minute--;
      if(minute<0)minute=59;
      write_minute();
      write_1602com(0x80+0x40+7);
      break;
      case 3:
      hour--;
      if(hour<0)hour=23;
      write_hour();
      write_1602com(0x80+0x40+4);
      break;
      case 4:
      day--;
      write_day();
      write_1602com(0x80+9);
      break;
      case 5:
      month--;
      write_month();
      write_1602com(0x80+6);
      break;
      case 6:
      year--;
      write_year();
      write_1602com(0x80+3);
      break;
      case 7:
      week--;
      write_week();
      write_1602com(0x80+12);
      break;
      // default:break;
      }
      }
      }
      }

      void main()
      {
      GND=0;
      delay(100);
      init1602();
      init_1302();
      while(1)
      {
      keyscan();
      if(keyflag==0)
      {
      readtime();
      write_second();
      write_minute();
      write_hour();
      write_day();
      write_month();
      write_year();
      write_week();
      }
      }
      }


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