main.lst

数字温度显示(带负温度),采用STC89C51单片机控制DS18B20

C51 COMPILER V8.02   MAIN                                                                  08/15/2007 18:35:26 PAGE 1   


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

line level    source

   1          /****************************************************************
   2          移植到硬件环境注意修改ReadTemperature()函数相关部分，程序中有说明
   3          *****************************************************************/
   4          
   5          #include "STC89C51RC.H"
   6          #include "ds18b20.h"
   7          #include <absacc.h>
   8          
   9          #define seg1 XBYTE[0xffec]
  10          #define seg2 XBYTE[0xffed]
  11          #define seg3 XBYTE[0xffee]
  12          #define seg4 XBYTE[0xffef]
  13          
  14          
  15          unsigned char ledmap[]=          //共阴LED数码管译码表
  16          {       
  17                  0x3f,0x06,0x5b,0x4f,0x66,       //0,1,2,3,4,
  18                  0x6d,0x7d,0x07,0x7f,0x6f,       //5,6,7,8,9,            
  19                  0xbf,0x86,0xdb,0xcf,0xe6,       //0.,1.,2.,3.,4.,
  20                  0xed,0xfd,0x87,0xff,0xef,       //5.,6.,7.,8.,9.,       
  21          };
  22          
  23          void delay(unsigned int time)
  24          {                                 
  25   1              while(--time);
  26   1      }
  27          
  28          
  29          main()
  30          {
  31   1              unsigned int temp;
  32   1              
  33   1              Init_DS18B20();
  34   1              delay(5000);    
  35   1      
  36   1              while(1)
  37   1              {
  38   2                      
  39   2                      temp = ReadTemperature();//*5;
  40   2      
  41   2                      if(flag_Negative_number)seg1 = 0xbf;
  42   2                      else seg1 = 0xff;
  43   2      
  44   2                      seg2 = ~ledmap[temp/100%10];
  45   2                      seg3 = ~ledmap[temp/10%10+10];
  46   2                      seg4 = ~ledmap[temp%10];
  47   2      
  48   2                      delay(50000);
  49   2              
  50   2              }
  51   1      
  52   1      }
  53          


C51 COMPILER V8.02   MAIN                                                                  08/15/2007 18:35:26 PAGE 2   

MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    307    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     21       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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