C51 COMPILER V7.06   AD                                                                    12/11/2008 15:40:11 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE AD
OBJECT MODULE PLACED IN ad.OBJ
COMPILER INVOKED BY: C:\Program Files\Keil\C51\BIN\C51.EXE ad.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include <reg52.h>
   2          #include <absacc.h>
   3          #include <math.h>
   4          
   5          sbit    int0=P3^2;
   6          
   7          #define dac     XBYTE[0xa000]
   8          #define adc     XBYTE[0xb000]
   9          #define pi      3.14
  10          
  11          float xdata dacval[128];
  12          
  13          
  14          unsigned char adcdat;
  15          
  16          void delay(unsigned int t)
  17          {
  18   1              unsigned char i;
  19   1              while(--t)
  20   1                      for(i=0;i<125;i++)
  21   1                      {       ;       }
  22   1      }
  23          
  24          void adc_start(void)
  25          {
  26   1              adc=0xff;
  27   1      }
  28          
  29          void adc_change(void)
  30          {
  31   1              adc_start();
  32   1              while(int0);
  33   1              adcdat=adc;
  34   1      }
  35          
  36          void dac_send(void)
  37          {
  38   1              dac=adcdat;
  39   1      }
  40          
  41          void Sin_val(void)
  42          {
  43   1              unsigned char i;
  44   1              for(i=0;i<128;i++)
  45   1              {
  46   2                      dacval[i]=(unsigned char)(127*sin(2*pi*(i/127.))+127.);
  47   2              }
  48   1              
  49   1      }
  50          
  51          void Sin_wave(void)
  52          {
  53   1              unsigned char i;
  54   1              for(i=0;i<128;i++)
  55   1              {
C51 COMPILER V7.06   AD                                                                    12/11/2008 15:40:11 PAGE 2   

  56   2                      dac=dacval[i];
  57   2                      //delay(10);
  58   2              }
  59   1      }
  60          
  61          void main(void)
  62          {
  63   1              Sin_val();
  64   1              while(1)
  65   1              {
  66   2                      /*
  67   2                      adc_change();
  68   2                      dac_send();
  69   2                      delay(1000);
  70   2                      */
  71   2                      Sin_wave();     
  72   2              }
  73   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    193    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =    512    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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