main.lst

DS18B20单个数据线温度芯片驱动大全

C51 COMPILER V7.09   MAIN                                                                  08/02/2008 11:36:35 PAGE 1   


C51 COMPILER V7.09, 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          //创建者:蔡星                QQ:364444296
   3          //2006年10月26日
   4          //项目:18b20数码管显示
   5          //=============================================
   6          #include<reg52.h>
   7          #include<intrins.h>
   8          #include<18b20.h>
   9          #define uchar  unsigned char
  10          #define uint   unsigned int
  11          uchar temp_int,temp_piont;
  12          code char led[]={0x11,0xD7,0x32,0x92,
  13                                           0xD4,0x98,0x18,0xD3,0x10,0x90, 
  14                                           0x50,0x1C,0x39,0x16,0x38,0x78};//数码管显示字符
  15          
  16          sbit sda_164=P0^2;
  17          sbit scl_164=P0^3;
  18          
  19          shift(int k)//把一个数字 或一个字的八个位送给一个数码管显示
  20          {
  21   1       int lednumber,i;
  22   1       lednumber=led[k];
  23   1       scl_164=0;
  24   1       for(i=0;i<8;i++)
  25   1       {
  26   2        //scl=0;
  27   2        if(lednumber&0x80) sda_164=1;
  28   2        else sda_164=0;
  29   2        scl_164=1;
  30   2        lednumber=lednumber<<1;
  31   2        scl_164=0;
  32   2       }
  33   1      }
  34          
  35          shift1(int k)//把一个数字 或一个字的八个位送给一个数码管显示
  36          {
  37   1       int lednumber,i;
  38   1       lednumber=led[k];
  39   1       lednumber&=0xef;
  40   1       scl_164=0;
  41   1       for(i=0;i<8;i++)
  42   1       {
  43   2        //scl=0;
  44   2        if(lednumber&0x80) sda_164=1;
  45   2        else sda_164=0;
  46   2        scl_164=1;
  47   2        lednumber=lednumber<<1;
  48   2        scl_164=0;
  49   2       }
  50   1      }
  51          
  52          void delay_caixing(int i)
  53          {
  54   1       while(--i);
  55   1      }
C51 COMPILER V7.09   MAIN                                                                  08/02/2008 11:36:35 PAGE 2   

  56          
  57          void display(uchar num)
  58          {
  59   1       shift(temp_piont%10);
  60   1       shift(temp_piont/10);
  61   1       shift1(temp_int%10);
  62   1       shift(temp_int/10);
  63   1       shift(0xff);
  64   1       shift(0xff);
  65   1       shift(0xff);
  66   1       shift(0xff);
  67   1      }
*** WARNING C280 IN LINE 57 OF MAIN.C: 'num': unreferenced local variable
  68          main()
  69          {
  70   1       uchar number;
  71   1       while(1)
  72   1       {
  73   2        number=readtemp();//读温度
  74   2        display(number);
  75   2        delay_caixing(1000000);
  76   2       }
  77   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    398    ----
   CONSTANT SIZE    =     16    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      8       1
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  1 WARNING(S),  0 ERROR(S)