ad9851.lst

数字频率合成器DDS9851控制系统的单片机源代码

C51 COMPILER V7.07   AD9851                                                                05/15/2008 21:40:03 PAGE 1   


C51 COMPILER V7.07, COMPILATION OF MODULE AD9851
OBJECT MODULE PLACED IN ad9851.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE ad9851.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          //////////////////////////////////////////////////////////////////
   2          
   3          #include <reg52.h>
   4          
   5          #define         data_io         P3
   6          sbit    w_clk   =       P2^2;
   7          sbit    fq_ud   =       P2^1;
   8          sbit    reset   =       P2^0;
   9          
  10          
  11          unsigned char   word_buf[5]     = {0x01,0x00,0x00,0x5d,0x34};  //1000hz
  12                                                                    //{0x01,0x00,0x00,0x0b,0x2f};//120hz
  13          
  14          void   ad9851_init(void)                         //DDS 初始化
  15          {
  16   1              w_clk   =       0;
  17   1              fq_ud   =       0;
  18   1              reset   =       0;
  19   1              reset   =       1;
  20   1              reset   =       0;
  21   1      }
  22          
  23          
  24          void   send_word(unsigned char *fq_word)           //频率字送入 DDS 
  25          {
  26   1              unsigned char cnt;
  27   1              
  28   1              reset   =       0;
  29   1              reset   =       1;
  30   1              reset   =       0;
  31   1              fq_ud   =       0;
  32   1              for(cnt=0;cnt<5;cnt++)
  33   1              {
  34   2                      w_clk   =       0;
  35   2                      data_io =       fq_word[cnt];
  36   2                      w_clk   =       1;
  37   2              }
  38   1              w_clk   =       0;
  39   1              fq_ud   =       1;
  40   1              fq_ud   =       0; 
  41   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     58    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      5       3
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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