adc0809.lst

通过C51来实现光照度测量的设计,而且通过电机带动。

C51 COMPILER V7.50   ADC0809                                                               06/22/2008 15:25:03 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE ADC0809
OBJECT MODULE PLACED IN ADC0809.OBJ
COMPILER INVOKED BY: D:\proteus&keil\keil\C51\BIN\C51.EXE ADC0809.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <reg52.H>
   2          #include "Typedef.H"
   3          #include "UserDef.H"
   4          #include "ADC0809.H"
   5          
   6          /*  端口定义 */
   7          #define P_Data  P0
   8          sbit AD0809_OTEN = P3^4;
   9          sbit AD0809_EOC = P3^2;
  10          sbit AD0809_START = P3^3;
  11          sbit AD0809_ALE = P3^5;
  12          
  13          /***************************************
  14                  初始化函数
  15          ****************************************/
  16          void AD0809_init(void)
  17                  {
  18   1              AD0809_OTEN = 0;
  19   1              AD0809_EOC = 1;
  20   1              AD0809_START = 0;
  21   1              AD0809_ALE = 0;
  22   1              }
  23          
  24          /***************************************
  25                  AD转换函数
  26          ****************************************/
  27          INT8U AD0809(INT8U ch)
  28                  {
  29   1              INT8U adv,i;
  30   1      
  31   1              P_Data = ch;
  32   1              AD0809_ALE = 1;
  33   1              AD0809_ALE = 0;
  34   1      
  35   1              AD0809_START = 1;
  36   1              AD0809_START = 0;
  37   1      
  38   1              
  39   1              for (i=0;i<10;i++)
  40   1                      {}
  41   1      
  42   1              while (AD0809_EOC == 0)
  43   1                      {}
  44   1      
  45   1              P_Data = 0xFF;
  46   1              AD0809_OTEN = 1;
  47   1              adv = P_Data;
  48   1              AD0809_OTEN = 0;
  49   1      
  50   1              return adv;
  51   1              }
  52          
  53          
  54          
  55                  
C51 COMPILER V7.50   ADC0809                                                               06/22/2008 15:25:03 PAGE 2   



MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     38    ----
   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)