dac0832.lst

通过adc0809采集电压

C51 COMPILER V7.50   DAC0832                                                               07/05/2008 14:59:23 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE DAC0832
OBJECT MODULE PLACED IN DAC0832.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE DAC0832.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <reg52.H>
   2          #include "Typedef.H"
   3          #include "UserDef.H"
   4          #include "DAC0832.H"
   5          
   6          /*  端口定义 */
   7          sbit CS = P3^0 ;
   8          sbit Wr = P3^1 ;
   9          #define P_Data P0
  10          
  11          /***************************************
  12                  DA转换函数
  13          ****************************************/
  14          void Dac0832(INT8U v)              //单缓存方式
  15              {
  16   1              CS = 0;
  17   1      
  18   1              P_Data = v;
  19   1              Wr = 1;
  20   1              Wr = 0;                          //LE1=1,DAC0832的8位输入寄存器接收数据
  21   1              Wr = 1;                          //8位输入寄存器锁存数据
  22   1              
  23   1              CS=1;                            //加高电平，DAC0832不被选中
  24   1      
  25   1              P_Data = 0xFF;
  26   1              }
  27          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     16    ----
   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)