ad7008.lst

DDS 单片机控制AD7008 产生正弦波

C51 COMPILER V7.50   AD7008                                                                08/08/2007 21:14:38 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE AD7008
OBJECT MODULE PLACED IN AD7008.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE AD7008.C BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include "AD7008.h"
   2          
   3          void write(unsigned char dat)
   4          {
   5   1           P0 = dat;
   6   1           WR1 = 0;
   7   1           WR1 = 1;
   8   1      }
   9          void load(unsigned char reg_addr)
  10          {
  11   1           P0 = reg_addr;
  12   1           LOAD = 1;
  13   1           LOAD = 0;
  14   1      }
  15          void Init_AD7008()
  16          {
  17   1           LOAD = 0;
  18   1           WR   = 1;
  19   1           FSELECT = 0;
  20   1           SendCM(0x00);
  21   1           SendFW(1000,0);
  22   1           SendFW(0,1);
  23   1           SendPW(0);
  24   1      }
  25          void SendCM(unsigned char c)
  26          {
  27   1           write(c);
  28   1           load(COMMAND);
  29   1      }
  30          void SendFW(unsigned long f,unsigned char s)
  31          {
  32   1          unsigned char fw4,fw3,fw2,fw1;
  33   1          unsigned long k1;
  34   1          
  35   1          k1=f*FW_1Hz;
  36   1          fw4=k1/0x1000000;
  37   1          fw3=k1%0x1000000/0x10000;
  38   1          fw2=k1%0x10000/0x100;
  39   1          fw1=k1%0x100;
  40   1      
  41   1          write(fw4);
  42   1          write(fw3);
  43   1          write(fw2);
  44   1          write(fw1);
  45   1          load(FREQ0 | s);
  46   1      }
  47          void SendPW(unsigned int p)
  48          {
  49   1          unsigned char pw2,pw1;
  50   1          pw2=p/0x100;
  51   1          pw1=p%0x100;
  52   1      
  53   1          write(pw2);
  54   1          write(pw1);
  55   1          load(PHASE);
C51 COMPILER V7.50   AD7008                                                                08/08/2007 21:14:38 PAGE 2   

  56   1      }
  57          void SendIQMOD(unsigned long a)
  58          {
  59   1          unsigned char aw3,aw2,aw1;
  60   1          aw3 = a/0x10000;
  61   1          aw2 = (a%0x10000)/0x100;
  62   1          aw1 = a%0x100;
  63   1      
  64   1          write(aw3);
  65   1          write(aw2);
  66   1          write(aw1);
  67   1          load(IQMOD);
  68   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    254    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----      16
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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