main.lst

该程序可以驱动ADC0809

C51 COMPILER V8.05a   MAIN                                                                 10/27/2007 12:54:02 PAGE 1   


C51 COMPILER V8.05a, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: D:\Program Files\keil\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          #include<pin_define.c>
   3          //#include<fuctions.c>
   4          
   5          void select_channel(unsigned char channel)
   6          {
   7   1              switch(channel)
   8   1              {
   9   2                      case 0:A2=0;A1=0;A0=0;break;
  10   2                      case 1:A2=0;A1=0;A0=1;break;
  11   2                      case 2:A2=0;A1=1;A0=0;break;
  12   2                      case 3:A2=0;A1=1;A0=1;break;
  13   2                      case 4:A2=1;A1=0;A0=0;break;
  14   2                      case 5:A2=1;A1=0;A0=1;break;
  15   2                      case 6:A2=1;A1=1;A0=0;break;
  16   2                      case 7:A2=1;A1=1;A0=1;break;
  17   2                      default:break;
  18   2              }
  19   1      }
  20          void m_delay(int time)
  21          {
  22   1              int i=0;
  23   1              while(time>0)
  24   1                      {
  25   2                              for(i=0;i<156;i++);
  26   2                              time--;
  27   2                      }
  28   1      }
  29          
  30          void start_convert(void)
  31          {
  32   1              ALE=0;
  33   1              START=0;
  34   1              ALE=1;
  35   1              START=1;
  36   1              m_delay(10);
  37   1              ALE=0;
  38   1              START=0;
  39   1      
  40   1      
  41   1      }
  42          void init_0809(void)
  43          {
  44   1              ALE=0;
  45   1              START=0;
  46   1              OE=0;
  47   1              EOC=1;
  48   1      }
  49          void read_data(void)
  50          {
  51   1              OE=1;
  52   1              m_delay(4000);
  53   1              OE=0;
  54   1      
  55   1      }
C51 COMPILER V8.05a   MAIN                                                                 10/27/2007 12:54:02 PAGE 2   

  56          
  57          void main(void)
  58          {
  59   1              
  60   1              while(1)
  61   1              {
  62   2                      init_0809();
  63   2                      select_channel(0);
  64   2                      start_convert();
  65   2                      while(EOC);
  66   2                      while(!EOC);
  67   2                      read_data();
  68   2              //      while(1);
  69   2              }
  70   1      
  71   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    177    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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