task2.lst

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C51 COMPILER V8.09   TASK2                                                                 04/06/2008 17:25:38 PAGE 1   


C51 COMPILER V8.09, COMPILATION OF MODULE TASK2
OBJECT MODULE PLACED IN task2.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE task2.c ROM(COMPACT) OPTIMIZE(9,SIZE) BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include "main.h"
   2          #include "task2.h"
   3          #include "ds18b20.h"
   4          float temp;
   5          unsigned char a=0;
   6          unsigned char b=0;
   7          unsigned char str_temp[10];
   8          
   9          void task2_init(void)
  10          {
  11   1         EA = 0;
  12   1         ds18b20_init();
  13   1         WriteOneChar(0xCC); //跳过读序号列号的操作
  14   1         WriteOneChar(0xBE); //读取温度寄存器等（共可读9个寄存器） 前两个就是温度
  15   1         a=ReadOneChar();
  16   1         b=ReadOneChar();
  17   1         EA = 1;
  18   1      }
  19          
  20          //任务2
  21          void task2()
  22          {  
  23   1         static unsigned char i=0;   
  24   1         i++; 
  25   1         if(i==1)
  26   1         {
  27   2            EA = 0;
  28   2            ds18b20_init();
  29   2            WriteOneChar(0xCC); // 跳过读序号列号的操作
  30   2            WriteOneChar(0x44); // 启动温度转换      
  31   2            EA = 1;
  32   2         }
  33   1         else if(i>8)
  34   1         {
  35   2            EA = 0;
  36   2            ds18b20_init();
  37   2            WriteOneChar(0xCC); //跳过读序号列号的操作
  38   2            WriteOneChar(0xBE); //读取温度寄存器等（共可读9个寄存器） 前两个就是温度
  39   2            a=ReadOneChar();b=ReadOneChar();   
  40   2            //temp = (b*256+a)*6.25; //有效位到小数点后2位，适用Proteus6.9版本和实物版        
  41   2                temp = (b*256+a)*5; //有效位到小数点后2位，适用Proteus7以上版本
  42   2      
  43   2            sprintf(str_temp,"%2.1f",temp/10);          
  44   2                str_buff1[10] = str_temp[0];
  45   2                str_buff1[11] = str_temp[1];
  46   2                str_buff1[12] = str_temp[2];
  47   2                str_buff1[13] = str_temp[3];
  48   2                str_buff1[14] = 0xdf;
  49   2                str_buff1[15] = 'C'; 
  50   2            i = 0;
  51   2            EA = 1;
  52   2         }
  53   1         
  54   1      }

C51 COMPILER V8.09   TASK2                                                                 04/06/2008 17:25:38 PAGE 2   


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    262    ----
   CONSTANT SIZE    =      6    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     17       1
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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