aaaa.lst

ADC与DAC的互相转换

C51 COMPILER V8.08   AAAA                                                                  08/18/2007 09:51:37 PAGE 1   


C51 COMPILER V8.08, COMPILATION OF MODULE AAAA
OBJECT MODULE PLACED IN aaaa.OBJ
COMPILER INVOKED BY: D:\Keil\C51\BIN\C51.EXE aaaa.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <reg51.H>
   2          
   3          sbit ST = P3^0;
   4          sbit OE = P3^2;
   5          sbit EOC = P3^1;
   6          sbit CLK = P3^3;
   7          
   8          unsigned char getdata;
   9          void clk() interrupt 1 using 0
  10          {       
  11   1              CLK = ~ CLK;
  12   1      }
  13          
  14          void main()
  15          {
  16   1              ST = 0;
  17   1              OE = 0;
  18   1              
  19   1              TMOD = 0x12;        // 定时器0工作方式2，定时器1工作方式1
  20   1              TH0 = 216;                // 定时器0赋初值
  21   1              TL0 = 216;
  22   1              TH1 = (65536-4000)/256;        //定时器1赋初值
  23   1              TL0 = (65536-4000)%256;
  24   1      
  25   1              TR0 = 1;
  26   1              TR1 = 1;
  27   1              ET0 = 1;
  28   1              ET1 =1;
  29   1              EA = 1;
  30   1      
  31   1              ST = 1;                // ST端产生正脉冲
  32   1              ST = 0;
  33   1      
  34   1              while(1)
  35   1              {
  36   2                      if(EOC == 1)        // 转换结束
  37   2                      {
  38   3                              OE = 1;                // 输出转换得到的数据
  39   3                              getdata = P1;        // 记下得到的数据
  40   3                              OE = 0;
  41   3                              P2=getdata;
  42   3                              
  43   3                      }
  44   2              }
  45   1      } 
  46          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     51    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1    ----
   IDATA SIZE       =   ----    ----
C51 COMPILER V8.08   AAAA                                                                  08/18/2007 09:51:37 PAGE 2   

   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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