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📄 mcu.lst

📁 车载DVD的主控MCU的源程序
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 292                          
 293                 ScreenStop();
 294                 CarDirecte=CarDirecte+1;
 295            //       if(CarDirecte == 3)
 296            //      LED_GrnOff();
 297                     temp = 0;
 298                 }
 299               else if(CarDirecte == 3)
 300                { 
 301                    
 302                  //    i = Read24C16(ep_Seven_Page);
C51 COMPILER V7.06   MCU                                                                   12/11/2007 11:28:42 PAGE 6   

 303                  ScreenDown();
 304                      while((ParTest(temp,0x78))>6)
 305                   {
 306                     ScreenDown();
 307                     temp = AdcCont();
 308                             temp &=0x7f;
 309                     CLRWDT = 0x55;
 310                    }    
 311                         ScreenStop();
 312          //              Write24C16(ep_Seven_Page,0x00);
 313                  ScrnCount = 0;
 314              
 315                      while((ReadCarStart())!=0)
 316                   {
 317                    CarBack();
 318                    CLRWDT = 0x55;
 319                           }
 320                  CarStop();
 321                  CarDirecte=CarDirecte-1;
 322                  temp = 0;
 323           //       if(CarDirecte == 2)
 324          //               LED_GrnOn(); 
 325                  DrivePowOff();
 326                     return;       
 327                 }
 328                     
 329            // }  
 330          }
 331          unsigned char AdcCont()
 332           {
 333           //  unsingned int cycl;
 334             unsigned char  vel1;
 335             ADC_CON=STRT_ADC|EN_ADC0;//|EN_ADC3;
 336           //  Sleep(1);
 337             while(ADC3_REG&CMP_ADC ==0)
 338              {
 339                CLRWDT = 0x55;
 340                    
 341              }
 342              vel1=ADC0_REG;
 343              printf("ADC0_REG=%c\n",vel1);
 344              Sleep(10);
 345           //   while(vel1 !=46)  //(abs(vel1-vel2) >3 )
 346           //   {
 347            //    if(CMP_ADC==1)
 348            //     {
 349             //      ScreenDown();
 350             //            vel1=ADC0_REG;
 351             //      CLRWDT = 0x55;
 352          //               LED_GrnOff();
 353              //   }      
 354             // }
 355           //    CLRWDT = 0x55;
 356              ScrnCount= vel1;
 357          //      if((vel1 ==46) || (vel1==66) || (vel1==83) || (vel1==71) || (vel1==76) || (vel1==81) || (vel1==5)|| (ve
             -l1==10) || 
 358          //                  (vel1==15) || (vel1==20) || (vel1==25) || (vel1==30) || (vel1==35) || (vel1==40)) 
 359          //       Write24C16(ep_SevenPage,ScrnCount);
 360          //         Sleep(20);
 361                 
 362              return vel1;
 363          }*/
C51 COMPILER V7.06   MCU                                                                   12/11/2007 11:28:42 PAGE 7   

 364          void driver2(void)
 365          {  
 366   1         unsigned char LastTime;
 367   1         TimeCount = 0;
 368   1       //  TCON = 0x44;
 369   1         TMOD = 0x06;
 370   1         TR0 = 1;
 371   1         EA = 0;      
 372   1         ScrnCount = 1;
 373   1           if(CarDirecte == 2)
 374   1            { 
 375   2                    TL0 = 232; //0x231;
 376   2                TH0 = 232; //0x231;
 377   2                EX0 = 1;
 378   2        //        INTEXT_EN = 0x03;
 379   2                EA = 1;
 380   2                        
 381   2                  while(ScrnCount == 1)
 382   2                     {
 383   3                   ScreenDown();
 384   3                               CLRWDT = 0x55;
 385   3                      //       if(TL0 == 250)
 386   3                      //          {
 387   3                                  //  LED_GrnOn();
 388   3                      //              }
 389   3                          LastTime = TL0;
 390   3                  if(LastTime == 253)
 391   3                    { 
 392   4                              Delay2m();
 393   4                                  ScrnCount = 0;
 394   4                                  TimeCount = 1;
 395   4                                      ScreenStop();
 396   4                                }
 397   3                  }
 398   2                ScreenStop(); 
 399   2            } 
 400   1           if(CarDirecte == 3)
 401   1                { 
 402   2                    TL0 = 232; //0x231;
 403   2                TH0 = 232; //0x231;
 404   2                EX0 = 1;
 405   2          //      INTEXT_EN = 0x02; 
 406   2                    EA = 1;
 407   2                  while(ScrnCount  == 1)
 408   2                         {
 409   3                       ScreenUp();
 410   3                               CLRWDT = 0x55;
 411   3                               LastTime = TL0;
 412   3                               if(LastTime == 253)
 413   3                                 {
 414   4                                   Delay2m();
 415   4                                   ScrnCount = 0;
 416   4                                   TimeCount = 1;
 417   4                                       ScreenStop();
 418   4                                 }
 419   3                         }
 420   2                         ScreenStop();
 421   2                }
 422   1      //      EA = 1;
 423   1      }
 424          
 425          unsigned char ParTest(unsigned char k, unsigned m)
C51 COMPILER V7.06   MCU                                                                   12/11/2007 11:28:42 PAGE 8   

 426          {
 427   1          unsigned char valu;
 428   1          if(k < m)
 429   1            {
 430   2              valu= m-k;
 431   2            }
 432   1          else
 433   1           {
 434   2             valu= k-m;
 435   2           }
 436   1         return valu;
 437   1      }  
 438          /*
 439          void ResetCar()
 440          {  
 441             while((ReadCarStart())!=0)
 442              {
 443                CarBack();
 444                CLRWDT = 0x55;
 445              }
 446              CarStop();
 447          }
 448          
 449          bit ReadCarStart()
 450          {
 451              bit m;
 452             Byte Port;
 453             RDPA_REG |=PA6; 
 454             Port = PTA_REG;
 455             if((Port & PA6)!=0)
 456                {
 457                      m=1;
 458                     }
 459                  else
 460                    {
 461                      m=0;
 462                     }
 463             return m; 
 464          }
 465          bit ReadCarend()
 466          {
 467              bit m;
 468             Byte Port;
 469             RDPA_REG |=PA4; 
 470             Port = PTA_REG;
 471             if((Port & PA4)!=0)
 472                {
 473                      m=1;
 474                     }
 475                  else
 476                    {
 477                      m=0;
 478                     }
 479             return m;
 480          }
 481          
 482          void CarBack()
 483          {
 484              Byte Port;
 485                  Port = PTA_REG;         
 486                  Port |= RDPA_REG;
 487                  Port |= PA2;
C51 COMPILER V7.06   MCU                                                                   12/11/2007 11:28:42 PAGE 9   

 488                  PTA_REG = Port;
 489            
 490                  Port = PTA_REG;         
 491                  Port |= RDPA_REG;
 492                  Port &= ~PA0;
 493                  PTA_REG = Port;
 494          }
 495          void CarStop()
 496          {
 497              Byte Port;
 498                  Port = PTA_REG;         
 499                  Port |= RDPA_REG;
 500                  Port &= ~PA2;
 501                  PTA_REG = Port;
 502            
 503                  Port = PTA_REG;         
 504                  Port |= RDPA_REG;
 505                  Port &= ~PA0;
 506                  PTA_REG = Port;
 507          }
 508          void CarFront()
 509          {
 510              Byte Port;
 511                  Port = PTA_REG;         
 512                  Port |= RDPA_REG;
 513                  Port &= ~PA2;
 514                  PTA_REG = Port;
 515           //   
 516                  Port = PTA_REG;         
 517                  Port |= RDPA_REG;
 518                  Port |= PA0;
 519                  PTA_REG = Port;
 520          }
 521          */
 522          void ScreenUp()
 523          {
 524   1        Byte Port;
 525   1              Port = PTA_REG;         
 526   1              Port |= RDPA_REG;
 527   1              Port |= PA1;
 528   1              PTA_REG = Port;
 529   1        
 530   1              Port = PTA_REG;         
 531   1              Port |= RDPA_REG;
 532   1              Port &= ~PA0;
 533   1              PTA_REG = Port;
 534   1      }
 535          void ScreenStop()
 536          {
 537   1          Byte Port;
 538   1              Port = PTA_REG;         
 539   1              Port |= RDPA_REG;
 540   1              Port &= ~PA0;
 541   1              PTA_REG = Port;
 542   1        
 543   1              Port = PTA_REG;         
 544   1              Port |= RDPA_REG;
 545   1              Port &= ~PA1;
 546   1              PTA_REG = Port;
 547   1      }
 548          void ScreenDown()
 549          {
C51 COMPILER V7.06   MCU                                                                   12/11/2007 11:28:42 PAGE 10  

 550   1          Byte Port;
 551   1              Port = PTA_REG;         
 552   1              Port |= RDPA_REG;
 553   1              Port &= ~PA1;
 554   1              PTA_REG = Port;
 555   1        
 556   1              Port = PTA_REG;         
 557   1              Port |= RDPA_REG;
 558   1              Port |= PA0;
 559   1              PTA_REG = Port;
 560   1      }
 561          //********************************************************
 562          //********************************************************
 563          //==========================================
 564          unsigned char ScanKey()
 565          {
 566   1       unsigned char  i,k=0,j,h,m=0;
 567   1          
 568   1         line1l();
 569   1         line2l();
 570   1         line3l();
 571   1      //   Sleep(9);
 572   1          
 573   1        if((Row1() == 0)||(Row2()==0)||(Row3()==0))
 574   1        {
 575   2           line1h();
 576   2           line2h();
 577   2           line3h();
 578   2        // line4h();
 579   2      
 580   2           for(i=4;i<8;i++)
 581   2             {//p2.i=0;
 582   3               CLRWDT = 0x55; 
 583   3               switch(i)
 584   3                {
 585   4                  case 4:{
 586   5                          line1l();
 587   5                      break;
 588   5                     }
 589   4                  case 5:{

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