adc.lst

单片机P89V51RD2在操纵系统RTX下的各个功能

C51 COMPILER V8.02   ADC                                                                   10/01/2007 00:33:26 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE ADC
OBJECT MODULE PLACED IN .\obj\adc.obj
COMPILER INVOKED BY: e:\Keil\C51\BIN\C51.EXE adc.c BROWSE DEBUG OBJECTEXTEND PRINT(.\lst\adc.lst) OBJECT(.\obj\adc.obj)

line level    source

   1          //adc.c
   2          //
   3          
   4          #include "AppDefine.h"                 
   5          
   6          
   7          //排序
   8          void   bubble(unsigned short *item, unsigned char count)  
   9          {  
  10   1              register   unsigned char   a,b;  
  11   1              register   unsigned short   t;  
  12   1      
  13   1              for(a=1;a<count;++a)  
  14   1                      for(b=count-1;b>=a;--b){  
  15   2                      if(item[b-1]>item[b]){  
  16   3                              t=item[b-1];  
  17   3                              item[b-1]=item[b];  
  18   3                              item[b]=t;  
  19   3                      }  
  20   2              }  
  21   1      }   
  22          
  23          unsigned short AD_acq(void)
  24          {
  25   1              unsigned int   result;
  26   1              unsigned char i;
  27   1              unsigned char al=0,ah=0;
  28   1      
  29   1              DCS0=1;
  30   1              DCLK=1;
  31   1              DCLK=0;
  32   1              DOUT=1;
  33   1              DCS0=0;
  34   1              
  35   1              while(DOUT==1)  {        //if(DOUT==0)    break;
  36   2                      DCLK=1;
  37   2                      DCLK=0;
  38   2                      DOUT=1;
  39   2              }
  40   1              for(i=0;i<4;i++) {
  41   2                      DOUT=1;
  42   2                      DCLK=1;
  43   2                      DCLK=0;
  44   2                      ah<<=1;
  45   2                      if(DOUT) {
  46   3                              ah|=0x01;
  47   3                      }
  48   2              }
  49   1              for(i=0;i<8;i++)
  50   1              {
  51   2                      DOUT=1;
  52   2                      DCLK=1;
  53   2                      DCLK=0;
  54   2                      al<<=1;
  55   2                      if(DOUT){
C51 COMPILER V8.02   ADC                                                                   10/01/2007 00:33:26 PAGE 2   

  56   3                              al|=0x01;
  57   3                      }
  58   2              }
  59   1              DCS0=1;
  60   1              result=ah;result<<=8;result|=al;//得到AD值
  61   1              return (result);
  62   1      }
  63          
  64          //10----01,234567,8,9
  65          unsigned short AD_result (void)  
  66          {  
  67   1              unsigned short i,addata[10],sum;
  68   1              float temp;
  69   1      
  70   1              for(i=0;i<10;i++)
  71   1                      addata[i] = AD_acq ();
  72   1              //sort
  73   1              bubble(addata, 10);
  74   1      
  75   1              //中间三个sum--平均
  76   1              sum=0;
  77   1              for(i=2;i<8;i++)
  78   1                      sum += addata[i];
  79   1              temp = sum/6.0;
  80   1      
  81   1              //mV
  82   1              //temp = temp * 3300/1024.0;
  83   1              //temp *= 3.22265625 ;
  84   1              
  85   1              return (unsigned short)temp;
  86   1      
  87   1      }
  88          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    341    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----      28
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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