C51 COMPILER V8.05a   CT                                                                   06/05/2007 06:25:14 PAGE 1   


C51 COMPILER V8.05a, COMPILATION OF MODULE CT
OBJECT MODULE PLACED IN ct.OBJ
COMPILER INVOKED BY: D:\syssoft\keil805\C51\BIN\C51.EXE ct.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          
   2          
   3          #include "MATH.H"
   4          #include "STC12.H"
   5          #include "pin.h"
   6          #include "function.h"
   7          #include "evariable.h"
   8          //cwf2:temperature sensor character --
   9          //Dv=10/(10+R)*1024
  10          //output voltage 2.8532v~0.8807v  :  0C~50C
  11          const float code cwf2[51]={
  12                                                                  13.29,
  13                                                                  12.74,12.22,11.72,11.25,10.8,10.37,9.962,9.571,9.197,8.839,//1~10 C
  14                                                                  8.476,8.168,7.854,7.553,7.266,6.992,6.73,6.48,6.241,6.013, //11~20 C
  15                                                                  5.794,5.584,5.382,5.188,5,4.819,4.646,4.48,4.324,4.179,    //21~30 C
  16                                                                  4.018,3.878,3.749,3.627,3.508,3.392,3.28,3.17,3.064,2.962, //31~40 C
  17                                                                  2.864,2.77,2.68,2.593,2.512,2.43,2.353,2.279,2.207,2.138           //41~50 C
  18                                                            };
  19          byte ct(word DV)
  20          {
  21   1              float k1=0,k2=0;
  22   1              unsigned int DV2;
  23   1              byte i;
  24   1              i=0;
  25   1              while(1)
  26   1              { 
  27   2                      k1=cwf2[i]+10;
  28   2                  k1=cwf2[i]*1024/k1;
  29   2                      DV2=(unsigned int)k1;
  30   2                      if((DV >= DV2)&&(i!=0))
  31   2                      {
  32   3                              k2=cwf2[i-1]+10;
  33   3                      k2=cwf2[i-1]*1024/k2;
  34   3                              k2=k1+k2;
  35   3                              k2=k2/2;
  36   3                              DV2=(unsigned int)k2;
  37   3                              if(DV >= DV2)
  38   3                              {
  39   4                                      i-=1;
  40   4                              }
  41   3                              break;
  42   3                      }
  43   2                      if((DV>= DV2)&&(i==0))
  44   2                      {       
  45   3                         break;
  46   3                      }
  47   2                      i++;
  48   2                      if(i >= 51)
  49   2                      {
  50   3                              break;
  51   3                      }
  52   2              }
  53   1              return(i);
  54   1       }

C51 COMPILER V8.05a   CT                                                                   06/05/2007 06:25:14 PAGE 2   


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    289    ----
   CONSTANT SIZE    =    204    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----      11
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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