light1.lst

实现LED的控制

C51 COMPILER V7.01  LIGHT1                                                                 05/09/2009 14:20:41 PAGE 1   


C51 COMPILER V7.01, COMPILATION OF MODULE LIGHT1
OBJECT MODULE PLACED IN light1.OBJ
COMPILER INVOKED BY: D:\programs and files\keil\C51\BIN\C51.EXE light1.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include <stdio.h>
   2          #include <stdlib.h>
   3          
   4          #include <Fx2.h>
   5          #include <Fx2regs.h>
   6          
   7          unsigned char flag;
   8          unsigned char count_20;
   9          unsigned char i, j ;//i is the index of DSP7LED
  10                                   //j is the count of interrupt
  11          unsigned char digbit;//BITTAB[digbit]
  12          
  13          main()
  14          {       
  15   1              OEA = 0xff;//sets the input/output direction
  16   1              OEB = 0xff;
  17   1              
  18   1              IOA = 0xff;//set the initial number
  19   1              IOB = 0xff;
  20   1              
  21   1              TMOD = 0x11;//use two timers
  22   1              
  23   1              //set initial 50ms
  24   1              TL0 = 0xB0;
  25   1              TH0 = 0x3C;
  26   1      
  27   1              //1ms 
  28   1          TL1=0x18;    
  29   1          TH1=0xFC;
  30   1              
  31   1              EA = 1;//interrupt enable
  32   1      
  33   1              ET0 = 1;// timer0 enable
  34   1              ET1 = 1;
  35   1      
  36   1              TR0 = 1;//begin timer0
  37   1              TR1 = 1;
  38   1              
  39   1              
  40   1              while(1);//loop
  41   1      }
  42          
  43          
  44          
  45          void timer0(void) interrupt 1 using 0{
  46   1               TL0=0xB0;     
  47   1               TH0=0x3C;
  48   1      
  49   1       
  50   1       if(count_20<19){
  51   2        count_20++;
  52   2        flag=0;
  53   2       }else{
  54   2        count_20 = 0;
  55   2        flag = 1;
C51 COMPILER V7.01  LIGHT1                                                                 05/09/2009 14:20:41 PAGE 2   

  56   2       }
  57   1       if(flag){
  58   2        if (j<7) j++;
  59   2        else j=0;
  60   2       }
  61   1      }
  62          
  63          
  64          
  65          
  66          
  67          void ledcontrol(void) interrupt 3 using 1
  68          {
  69   1              
  70   1              unsigned char temp_DSP7LED[16];//add dp to the number
  71   1              unsigned char DSP7LED[16] = {0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07, 0x7f, 0x6f}; //ten numbers 0
             --9
  72   1              unsigned char BITTAB[8]={0x7F,0xBF,0xDF,0xEF,0xF7,0xFB,0xFD,0xFE};//8 LED enable
  73   1              
  74   1      
  75   1      
  76   1              
  77   1      //      TH0 = (time/256);//put in the time again;
  78   1      //      TL0 = (time%256);
  79   1              
  80   1              TL1=0x18;     //USED FOR AD SAMPLING
  81   1          TH1=0xFC;
  82   1      
  83   1              
  84   1              
  85   1      //      if (j<7) j++;//每中断一次J就加1 显示就变一次
  86   1        //    else j=0;
  87   1      
  88   1      //      do{
  89   1                      switch(digbit+1)
  90   1                      {
  91   2                              case 1 : i = j%10;      break;
  92   2                              case 2 : i = (j+1)%10;  break;
  93   2                              case 3 : i = (j+2)%10;  break;
  94   2                              case 4 : i = (j+3)%10;  break;
  95   2                              case 5 : i = (j+4)%10;  break;
  96   2                              case 6 : i = (j+5)%10;  break;
  97   2                              case 7 : i = (j+6)%10;  break;
  98   2                              case 8 : i = (j+7)%10;  break;
  99   2                              default:;
 100   2                      }       
 101   1                      //以下的是新加的小数点显示
 102   1                      if(digbit==j)
 103   1                              temp_DSP7LED[i] = 0x80 + DSP7LED[i];//dsp7led + 1000 0000
 104   1                      else
 105   1                              temp_DSP7LED[i] = DSP7LED[i];
 106   1                      //小数点操作结束
 107   1      
 108   1                      IOA = temp_DSP7LED[i];
 109   1                      IOB = BITTAB[digbit];
 110   1                      
 111   1                      if(digbit<7)
 112   1                              digbit = digbit+1;
 113   1                      else 
 114   1                              digbit = 0;//扫描显示
 115   1                      
 116   1                      
C51 COMPILER V7.01  LIGHT1                                                                 05/09/2009 14:20:41 PAGE 3   

 117   1      //       }while(1);
 118   1              
 119   1      
 120   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    316    ----
   CONSTANT SIZE    =     24    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      5      40
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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