C51 COMPILER V6.23a  AD9833                                                                03/31/2011 10:38:43 PAGE 1   


C51 COMPILER V6.23a, COMPILATION OF MODULE AD9833
OBJECT MODULE PLACED IN ad9833.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE ad9833.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          //---------------------------------------------------//
   2          //AD9833模块测试程序
   3          //功能：循环输出1KHz方波，正弦波。三角波
   4          //版本：V2.0
   5          //日期：2011-3-25
   6          //作者：无风电子
   7          //博客：http://blog.ednchina.com/wufeng_dz/
   8          //邮箱：wufeng_dz@163.com
   9          //接口：DAT   -->   P1.0
  10          //      CLK   -->   P1.1
  11          //      FNC   -->   P1.2
  12          //---------------------------------------------------//
  13          //定义头文件
  14          # include <reg51.h>
  15          # include <stdio.h>
  16          # include <intrins.h>
  17          //---------------------------------------------------//
  18          sbit ad9833_sdata   =P1^0;
  19          sbit ad9833_sclk    =P1^1;
  20          sbit ad9833_fsync   =P1^2;
  21          //---------------------------------------------------//
  22          //延时程序
  23          //---------------------------------------------------//
  24          void delay(unsigned int m)
  25          {
  26   1      unsigned int  n;
  27   1      for (n=0;n<=m;n++)
  28   1      {
  29   2      }
  30   1      }
  31          //---------------------------------------------------//
  32          //向AD9833写16位数据
  33          //---------------------------------------------------//
  34          void write_ad9833_d16(unsigned int x)
  35          {
  36   1      int i,w;
  37   1      ad9833_sclk=1;
  38   1      ad9833_fsync=1;
  39   1      ad9833_fsync=0;
  40   1      //写16位数据
  41   1      w=x;
  42   1      for(i=0;i<16;i++)
  43   1      {
  44   2      ad9833_sdata=w&0x8000;
  45   2      ad9833_sclk=0;
  46   2      ad9833_sclk=1;
  47   2      w=w<<1;
  48   2      }
  49   1      ad9833_fsync=1;
  50   1      ad9833_sclk=0;
  51   1      }
  52          //---------------------------------------------------//
  53          //                   主程序                          //
  54          //---------------------------------------------------//
  55          main()
C51 COMPILER V6.23a  AD9833                                                                03/31/2011 10:38:43 PAGE 2   

  56          {
  57   1      P0=0XFF;
  58   1      P1=0XFF;
  59   1      P2=0XFF;
  60   1      P3=0XFF;
  61   1      while(1)
  62   1      {
  63   2      delay(100000);
  64   2      delay(100000);
  65   2      delay(100000);
  66   2      delay(100000);
  67   2      delay(100000);
  68   2      delay(100000);
  69   2      delay(100000);
  70   2      delay(100000);
  71   2      //寄存器频率0输出1KHz波形
  72   2      write_ad9833_d16(0x0100); //复位AD9833
  73   2      write_ad9833_d16(0x2100); //选择数据一次写入
  74   2      write_ad9833_d16(0x69F1); //L14
  75   2      write_ad9833_d16(0x4000); //H14 频率寄存器0为1KHz
  76   2      write_ad9833_d16(0x93E3); //L14
  77   2      write_ad9833_d16(0x8001); //H14 频率寄存器1为2KHz
  78   2      write_ad9833_d16(0x2000); //芯片进入工作状态,寄存器频率0输出1KHz波形
  79   2      //寄存器频率1输出2KHz波形
  80   2      delay(100000);
  81   2      delay(100000);
  82   2      delay(100000);
  83   2      delay(100000);
  84   2      delay(100000);
  85   2      delay(100000);
  86   2      delay(100000);
  87   2      delay(100000);
  88   2      write_ad9833_d16(0x2800); 
  89   2      //寄存器频率0输出1KHz三角波波形
  90   2      delay(100000);
  91   2      delay(100000);
  92   2      delay(100000);
  93   2      delay(100000);
  94   2      delay(100000);
  95   2      delay(100000);
  96   2      delay(100000);
  97   2      delay(100000);
  98   2      write_ad9833_d16(0x2002); 
  99   2      //寄存器频率0输出1KHz方波波形
 100   2      delay(100000);
 101   2      delay(100000);
 102   2      delay(100000);
 103   2      delay(100000);
 104   2      delay(100000);
 105   2      delay(100000);
 106   2      delay(100000);
 107   2      delay(100000);
 108   2      write_ad9833_d16(0x2020); 
 109   2      
 110   2      }
 111   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    172    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
C51 COMPILER V6.23a  AD9833                                                                03/31/2011 10:38:43 PAGE 3   

   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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