measure_frequency.lst

我用单片机8952和电压比较器339做了一个简单的电容容量测量表

C51 COMPILER V7.06   MEASURE_FREQUENCY                                                     03/02/2006 23:49:40 PAGE 1   


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

stmt level    source

   1          /******************************************************************
   2             本程序只供学习使用，未经作者许可，不得用于其它任何用途
   3                我的邮箱：[e-mail]
   4                  欢迎访问我的blog：  http://computer00.21ic.org
   5          
   6          measure_frequency.c文件 频率测量 
   7          
   8          Created by Computer-lov
   9          Date: 2004.11.13
  10          
  11          Edit date:2006.3.2
  12          
  13          Version V1.1
  14          Copyright(C) Computer-lov 2004-2014
  15          All rigths reserved      
  16          *******************************************************************/
  17          
  18          
  19          #include "hardware.h"
  20          #include "measure_frequency.h"
  21          #include "main.h"
  22          #include "LCD1602.h"
  23          #include "isr.h"
  24          
  25          unsigned char frequency_measure_time;
  26          unsigned char frequency_measure_end;
  27          
  28          unsigned char code FREQUENCY_TEXT[]={"FREQUENCY:"};
  29          
  30          void Measure_frequency_and_display(void)
  31          {
  32   1       unsigned char i;
  33   1       CLEAR_HC393=1;
  34   1       TVH0=0;
  35   1       TH0=0;
  36   1       TL0=0;
  37   1       CLEAR_HC393=0;
  38   1       TR0=1;
  39   1       frequency_measure_time=100;
  40   1       frequency_measure_end=1;
  41   1       while(frequency_measure_end);
  42   1       TR0=0;
  43   1       ((unsigned char *)&result)[0]=TVH0;
  44   1       ((unsigned char *)&result)[1]=TH0;
  45   1       ((unsigned char *)&result)[2]=TL0;
  46   1       ((unsigned char *)&result)[3]=HC393_DATA;
  47   1       buffer[0]=' ';
  48   1       buffer[1]=' ';
  49   1       for(i=10;i>1;i--)
  50   1        {
  51   2         buffer[i]=(result%10)+'0';
  52   2         result/=10;   
  53   2        }
  54   1       buffer[11]='H';
  55   1       buffer[12]='z';
C51 COMPILER V7.06   MEASURE_FREQUENCY                                                     03/02/2006 23:49:40 PAGE 2   

  56   1       buffer[13]=' ';
  57   1       buffer[14]=' ';
  58   1       buffer[15]=' ';
  59   1       buffer[16]=0x00;
  60   1       LCD_cls();
  61   1       LCD_prints(FREQUENCY_TEXT);
  62   1       LCD_set_position(40);
  63   1       LCD_prints(buffer);
  64   1      }
  65          
  66          void Measure_frequency(void)
  67          {
  68   1       LCD_cls();
  69   1       LCD_prints(FREQUENCY_TEXT);
  70   1       LCD_set_position(40);
  71   1       LCD_prints("  000000000Hz   ");
  72   1       TMOD=0x15;
  73   1       while(status==MEASURE_FREQUENCY)
  74   1        {
  75   2         if(key)
  76   2          {
  77   3           if(key==KEY_MENU){TR0=0;FREQUENCY_IN_ENABLE=0;status=MAIN_MENU;Write_a_EEPROM_data(EEPROM_Addr,0x01,s
             -tatus);key=0;break;}
  78   3           key=0;
  79   3          }
  80   2         Measure_frequency_and_display();
  81   2        }
  82   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    221    ----
   CONSTANT SIZE    =     28    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      2       1
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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