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📄 clock.lst

📁 单片机 89s52+ds12b887+ds18b20时钟温度程序.rar
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 210   1                      dsas=1;
 211   1                      dsds=1;
 212   1                      dsrw=1;
 213   1                      dscs=0;
 214   1                      P2=0x0b;
 215   1                      dsas=0;                                                           
 216   1                      dsrw=0;
 217   1                      P2=0x06;
 218   1                      dsrw=1;
 219   1                      dsas=1;
 220   1                      dscs=1;
 221   1              Lcd_write_com(0x0c);//关闭光标
 222   1              setupint=0;
 223   1      }
 224          void ds12887_select(uchar select)
 225          {
 226   1              select--;
 227   1              if(select==3)
 228   1              {
 229   2                      clockdata[select]=ds12887_read(6);
 230   2                      Lcd_write_com(0x8d);
 231   2                      while(setupinit==0)
 232   2                      delay(10);         // 消抖
 233   2                      delay(50);
 234   2      
 235   2                      EA=1;
 236   2              }
 237   1              else
 238   1              {
 239   2                      clockdata[select]=Lcd_readtime(addnyr[select]);
 240   2              }
 241   1              while(setupint==(select+1))
C51 COMPILER V8.02   CLOCK                                                                 12/02/2008 10:41:38 PAGE 5   

 242   1              {
 243   2                      if(up==0)
 244   2                      {
 245   3                              delay(50);
 246   3                              clockdata[select]++;
 247   3                              if(clockdata[select]>hightime[select])clockdata[select]=0;
 248   3                              if((select==3)&&(clockdata[select]==0))clockdata[select]=0x01;
 249   3                              ds12887_keys_num(addnyr[select],clockdata[select]);
 250   3                              while(up==0);
 251   3                              delay(50);
 252   3                      }
 253   2                      if(down==0)
 254   2                      {
 255   3                              delay(50);
 256   3                              clockdata[select]--;
 257   3                              if((select==3)&&(clockdata[select]==0))clockdata[select]=hightime[select];
 258   3                              if((clockdata[select])==0xff)clockdata[select]=hightime[select];
 259   3                              ds12887_keys_num(addnyr[select],clockdata[select]);
 260   3                              while(down==0);
 261   3                              delay(50);
 262   3                      }
 263   2                      if(cancle==0)setupint=0;
 264   2                      if(complete==0){ds12887_write();while(complete==0);}
 265   2                      }
 266   1      }
 267          void ds12887_keys()
 268          {
 269   1              Lcd_write_com(0x0d);
 270   1              if(setupint>7)setupint=1;
 271   1              switch(setupint)
 272   1              {
 273   2              case 1:
 274   2                      ds12887_select(setupint);
 275   2                      break;
 276   2              case 2:
 277   2                      ds12887_select(setupint);
 278   2                      break;
 279   2              case 3:
 280   2                      ds12887_select(setupint);
 281   2                      break;
 282   2              case 4:
 283   2                      ds12887_select(setupint);
 284   2                      break;
 285   2              case 5:
 286   2                      ds12887_select(setupint);
 287   2                      break;
 288   2              case 6:
 289   2                      ds12887_select(setupint);
 290   2                      break;
 291   2              case 7:
 292   2                      ds12887_select(setupint);
 293   2                      break;
 294   2              }
 295   1      }
 296          /******************************ds1820程序***************************************/
 297          void ds1820_delay(unsigned int i)
 298          {
 299   1         while(i--);
 300   1      }
 301          void ds1820_reset()
 302          {
 303   1              unsigned char x=0;
C51 COMPILER V8.02   CLOCK                                                                 12/02/2008 10:41:38 PAGE 6   

 304   1              DQ = 1;
 305   1              ds1820_delay(4);
 306   1              DQ = 0;
 307   1              ds1820_delay(100);
 308   1              DQ =1;
 309   1              ds1820_delay(40); 
 310   1      } 
 311          
 312          void ds1820_write(uchar wdata)
 313          {
 314   1              unsigned char i=0;
 315   1              for (i=8; i>0; i--)
 316   1              {
 317   2                      DQ = 0;
 318   2                      DQ = wdata&0x01;
 319   2                      ds1820_delay(10);
 320   2                      DQ = 1;
 321   2                      wdata>>=1;
 322   2              }
 323   1      }
 324          
 325          uchar ds1820_read()
 326          {
 327   1              unsigned char i=0;
 328   1              unsigned char dat = 0;
 329   1              for (i=8;i>0;i--)
 330   1              {
 331   2                      DQ = 0;
 332   2                      dat>>=1;
 333   2                      DQ = 1; 
 334   2                      if(DQ)
 335   2                      dat|=0x80;
 336   2                      ds1820_delay(10);
 337   2              }
 338   1              return(dat);
 339   1      }
 340          ds1820_temp()
 341          {
 342   1              uchar a,b;
 343   1              ds1820_reset();    
 344   1              ds1820_write(0xcc);
 345   1              ds1820_write(0x44);
 346   1              ds1820_reset();    
 347   1              ds1820_write(0xcc);
 348   1              ds1820_write(0xbe);
 349   1              a=ds1820_read();
 350   1              b=ds1820_read();
 351   1              tvalue=b;
 352   1              tvalue<<=8;
 353   1              tvalue=tvalue|a;
 354   1              if(tvalue<0x0fff)
 355   1                      tflag=0;
 356   1              else
 357   1              {
 358   2                      tvalue=~tvalue+1;
 359   2                      tflag=1;
 360   2              }
 361   1              tvalue=tvalue*(0.625);
 362   1              return(tvalue);
 363   1              }
 364          void ds1820_disp()
 365          {
C51 COMPILER V8.02   CLOCK                                                                 12/02/2008 10:41:38 PAGE 7   

 366   1              uchar flagdat;
 367   1              disdata[0]=tvalue/1000+0x30;
 368   1          disdata[1]=tvalue%1000/100+0x30;
 369   1          disdata[2]=tvalue%100/10+0x30;
 370   1          disdata[3]=tvalue%10+0x30;
 371   1          if(tflag==0)
 372   1          flagdat=0x20;
 373   1          else
 374   1          flagdat=0x2d;
 375   1          if(disdata[0]==0x30)
 376   1          {
 377   2                      disdata[0]=0x20;
 378   2          if(disdata[1]==0x30)
 379   2          {
 380   3                      disdata[1]=0x20;
 381   3          }
 382   2              }
 383   1              Lcd_write_com(0xcb);
 384   1              Lcd_write_data(disdata[1]);
 385   1              Lcd_write_com(0xcc);
 386   1              Lcd_write_data(disdata[2]);
 387   1              Lcd_write_com(0xce);
 388   1              Lcd_write_data(disdata[3]);
 389   1         
 390   1      }
 391          void main()
 392          {
 393   1              init();
 394   1              while(1)
 395   1              {
 396   2                      if(setupint==0)
 397   2                      {
 398   3                      ds12887_writeLCD();
 399   3                      ds1820_temp();
 400   3                      ds1820_disp();
 401   3                      }
 402   2                      else
 403   2                      {
 404   3                              ds12887_keys();
 405   3                      }
 406   2              }
 407   1      }
 408          void ds12887_keys_init() interrupt 0
 409          {
 410   1              EA=0;
 411   1              setupint++;
 412   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =   1183    ----
   CONSTANT SIZE    =     70    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     16       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)

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