module.lst

一个温度采集系统的单片机程序与WINDOWS 串口通信程序

C51 COMPILER V7.00  MODULE                                                                 03/07/2005 17:31:38 PAGE 1   


C51 COMPILER V7.00, COMPILATION OF MODULE MODULE
OBJECT MODULE PLACED IN module.OBJ
COMPILER INVOKED BY: C:\PROGRA~1\Keil\C51\BIN\c51.exe module.c DB OE SMALL ROM(LARGE)

stmt level    source

   1          #include<reg51.h>
   2          #include<intrins.h>
   3          sbit    key0            =0x93;         //p1.3
   4          sbit    key1            =0x94;         //p1.4 
   5          sbit  led               =0x92;           //p1.2 
   6          
   7          //////////////////////////////
   8          //名称：延迟程序
   9          //功能：根据参数延迟
  10          //////////////////////////////
  11          void delay_time(unsigned int us)          //29us/40us/52us/64us
  12          {  
  13   1              unsigned int data i;
  14   1              for(i=0;i<=us;i++) 
  15   1              _nop_();
  16   1      }
  17          
  18          void delay_time_10ms(void)               //12ms
  19          {
  20   1              delay_time(1000);
  21   1      }
  22          
  23          
  24          /////////////////////////////////
  25          
  26          //名称：键盘扫描
  27          //功能：重新配置DS18B20，DS18B20 ID修改
  28          ////////////////////////////////
  29          void    keyscan(void)
  30          {
  31   1      unsigned        int i,j;
  32   1      bit     read_id_flg             =0;
  33   1      bit     config_ds_flg   =0;
  34   1      i       =0;
  35   1      j       =0;
  36   1      //扫描按键6.32s,检测是否有键按下。
  37   1      while(i<60000)          
  38   1       {      
  39   2              while(j<40000)
  40   2              {
  41   3                      if(key0==0&&read_id_flg==0)         //1键按下，发读DS18B20 ID命令，ID写入EEPROM，RAM备份
  42   3                      {
  43   4                        delay_time_10ms();                       //按键消抖
  44   4                        if(key0==0)
  45   4                         {
  46   5      //                      read_id();                  //查询所有DS18B20 ID,存EEPROM
  47   5                              read_id_flg=1;
  48   5                            led=~led;
  49   5                        while(key0==0);                      //等待按键释放 
  50   5                      i       =0;
  51   5                      j       =0;
  52   5                     }
  53   4                    
  54   4                      //delay();
  55   4                      }
C51 COMPILER V7.00  MODULE                                                                 03/07/2005 17:31:38 PAGE 2   

  56   3                      else if(key1==0&&config_ds_flg==0)    //2键按下，配置DS18B20
  57   3                      {
  58   4                        delay_time_10ms();
  59   4                        if(key1==0)
  60   4                    { 
  61   5      //                 configure_ds();                //设置DS18B20温度上下限，采样精度    
  62   5                         led=~led;
  63   5                         config_ds_flg=1;
  64   5                     while(key1==0); 
  65   5                     i        =0;
  66   5                     j        =0;  
  67   5                    }         
  68   4                      }                       //配置顺序为先发读DS18B20 ID命令，紧接配置DS18B20命令
  69   3                      else                    //若顺序颠倒，只执行配置DS18B20命令
  70   3                      j++;
  71   3              }       
  72   2              i++;
  73   2       }
  74   1      //无键按下，从EEPROM读DS18B20ID-->RAM单元
  75   1      read_id_flg             =0;
  76   1      config_ds_flg   =0;
  77   1      
  78   1      //fill_id();
  79   1      }
  80          
  81          main()
  82          {
  83   1      delay_time(4);
  84   1      delay_time_10ms();
  85   1      keyscan();
  86   1      while(1);
  87   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    161    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----       2
END OF MODULE INFORMATION.


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