text1.lst

一次拟合算法,AD转换后的预处理算法,串口,定时器,积分,排序,三角形,延时,一元二次方程.

C51 COMPILER V8.02   TEXT1                                                                 11/11/2008 21:20:09 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE TEXT1
OBJECT MODULE PLACED IN Text1.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE Text1.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /*------------------------------------------------------------------------------
   2          本程序用来对一个数组求1次拟和系数
   3          ------------------------------------------------------------------------------*/
   4          
   5          #include <REG52.H>                /* special function register declarations   */
   6                                            /* for the intended 8051 derivative         */
   7          
   8          #include <stdio.h>                /* prototype declarations for I/O functions */
   9          #include <stdlib.h>
  10          
  11          
  12          #ifdef MONITOR51                         /* Debugging with Monitor-51 needs   */
              char code reserve [3] _at_ 0x23;         /* space for serial interrupt if     */
              #endif                                   /* Stop Exection with Serial Intr.   */
  15                                                   /* is enabled                        */
  16          
  17          //       xdata float    XBuffer[40];
  18          //       xdata float    YBuffer[40];
  19                   xdata float Y[40]={
  20                   53.1,55.1,57.0,58.9,60.3,
  21                   62.5,64.1,65.8,67.6,69.2,
  22                   70.5,72.1,73.5,74.7,75.7,
  23                   76.4,76.7,76.7,76.8,77.0,
  24                   77.5,78.0,78.5,78.9,79.2,
  25                   79.4,79.4,79.4,79.3,79.4,
  26                   79.5,79.7,79.9,80.0,80.0,
  27                   80.0
  28                   };
  29          //       xdata float  X[20];
  30                   xdata float XSquareSum=0,XSumSquare=0,XSum=0,YSum=0,XYSum=0,Delta=0;
  31                   float a1,a0;
  32                   float f1;
  33                  
  34          
  35          /*------------------------------------------------
  36          The main C function.  Program execution starts
  37          here after stack initialization.
  38          ------------------------------------------------*/
  39          void main (void) {
  40   1              
  41   1               int n,i;
  42   1      
  43   1       /*------------------------------------------------
  44   1      Setup the serial port for 1200 baud at 16MHz.
  45   1      ------------------------------------------------*/
  46   1      #ifndef MONITOR51
  47   1          SCON  = 0x50;                       /* SCON: mode 1, 8-bit UART, enable rcvr      */
  48   1          TMOD |= 0x20;               /* TMOD: timer 1, mode 2, 8-bit reload        */
  49   1          TH1   = 221;                /* TH1:  reload value for 1200 baud @ 16MHz   */
  50   1          TR1   = 1;                  /* TR1:  timer 1 run                          */
  51   1          TI    = 1;                  /* TI:   set TI to send first char of UART    */
  52   1      #endif
  53   1      
  54   1               n=40;
  55   1               for(i=0;i<40;i++)
C51 COMPILER V8.02   TEXT1                                                                 11/11/2008 21:20:09 PAGE 2   

  56   1               {
  57   2                   XSum += i;
  58   2                       YSum += Y[i];
  59   2                       XSquareSum += i*i;
  60   2                       XYSum += i*Y[i];
  61   2               }
  62   1               Delta = n*XSquareSum - XSum * XSum;
  63   1               a1 = ( n* XYSum - XSum* YSum)/Delta;
  64   1               a0 = ( XSquareSum*YSum-XSum*XYSum)/ Delta;
  65   1      
  66   1               printf("a0= %f , a1= %f \n",a0,a1);
  67   1      
  68   1               for(i=0;i<n;i++)
  69   1               {
  70   2                      f1 = Y[i]-(a0+a1*i);
  71   2                      printf("i= %d ,difference=%f\n",i,f1);
  72   2               }
  73   1      
  74   1                while(1);
  75   1      }
  76          
  77          
  78          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    790    ----
   CONSTANT SIZE    =     40    ----
   XDATA SIZE       =    184    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     12       4
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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