ds18b20.lst

一个用keil 51c实现的单片机系统程序

C51 COMPILER V7.09   DS18B20                                                               08/06/2007 14:13:54 PAGE 1   


C51 COMPILER V7.09, COMPILATION OF MODULE DS18B20
OBJECT MODULE PLACED IN DS18B20.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE DS18B20.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include  "DS18B20.h"
*** ERROR C202 IN LINE 2 OF DS18B20.H: 'P3': undefined identifier
   2          void delay_18b20(unsigned int count)
   3          {
   4   1       unsigned int i;
   5   1       while(count)
   6   1         {
   7   2          i=200;
   8   2          while(i>0) i--;
   9   2          count--;
  10   2      
  11   2         }  
  12   1      }
  13          void Init_DS18B20(void)
  14          {
  15   1       unsigned int  i=0;
  16   1       unsigned char x=0;
  17   1       while(1)
  18   1       {
  19   2        DQ = 1;    //DQ复位
*** ERROR C202 IN LINE 19 OF DS18B20.C: 'DQ': undefined identifier
  20   2        delay_18b20(8);  //稍做延时
  21   2        DQ = 0;    //单片机将DQ拉低
*** ERROR C202 IN LINE 21 OF DS18B20.C: 'DQ': undefined identifier
  22   2        i=100;while(i>0) i--;
  23   2        DQ = 1;    //拉高总线
*** ERROR C202 IN LINE 23 OF DS18B20.C: 'DQ': undefined identifier
  24   2        i=6;while(i>0) i--;
  25   2        x=DQ;      //稍做延时后 如果x=0则初始化成功 x=1则初始化失败
*** ERROR C202 IN LINE 25 OF DS18B20.C: 'DQ': undefined identifier
  26   2        x=DQ;
*** ERROR C202 IN LINE 26 OF DS18B20.C: 'DQ': undefined identifier
  27   2        x=DQ;
*** ERROR C202 IN LINE 27 OF DS18B20.C: 'DQ': undefined identifier
  28   2        x=DQ;
*** ERROR C202 IN LINE 28 OF DS18B20.C: 'DQ': undefined identifier
  29   2        if(x==0)
  30   2          {
  31   3           flag=1;
*** ERROR C202 IN LINE 31 OF DS18B20.C: 'flag': undefined identifier
  32   3           break;
  33   3          }
  34   2       else
  35   2         {
  36   3          if(i==3) break;
  37   3          delay_18b20(30);
  38   3          flag=0;
*** ERROR C202 IN LINE 38 OF DS18B20.C: 'flag': undefined identifier
  39   3          i++;
  40   3         }
  41   2      }
  42   1      
  43   1      
  44   1      
  45   1      unsigned char ReadOneChar(void)
C51 COMPILER V7.09   DS18B20                                                               08/06/2007 14:13:54 PAGE 2   

*** ERROR C141 IN LINE 45 OF DS18B20.C: syntax error near 'unsigned'
  46   1      {
  47   1      unsigned char i=0;
  48   1      unsigned char j=0;
*** ERROR C141 IN LINE 48 OF DS18B20.C: syntax error near 'unsigned'
*** ERROR C202 IN LINE 48 OF DS18B20.C: 'j': undefined identifier
  49   1      unsigned char dat = 0;
*** ERROR C141 IN LINE 49 OF DS18B20.C: syntax error near 'unsigned'
*** ERROR C202 IN LINE 49 OF DS18B20.C: 'dat': undefined identifier
  50   1      for (i=8;i>0;i--)
  51   1       {
  52   2        DQ = 1;
*** ERROR C202 IN LINE 52 OF DS18B20.C: 'DQ': undefined identifier
  53   2        DQ = 0; // 给脉冲信号
*** ERROR C202 IN LINE 53 OF DS18B20.C: 'DQ': undefined identifier
  54   2        j++;
*** ERROR C202 IN LINE 54 OF DS18B20.C: 'j': undefined identifier
  55   2        DQ = 1; // 给脉冲信号
*** ERROR C202 IN LINE 55 OF DS18B20.C: 'DQ': undefined identifier
  56   2        dat>>=1;
*** ERROR C202 IN LINE 56 OF DS18B20.C: 'dat': undefined identifier
  57   2        j++;
*** ERROR C202 IN LINE 57 OF DS18B20.C: 'j': undefined identifier
  58   2        j++;
*** ERROR C202 IN LINE 58 OF DS18B20.C: 'j': undefined identifier
  59   2        if(DQ)
*** ERROR C202 IN LINE 59 OF DS18B20.C: 'DQ': undefined identifier
  60   2        dat|=0x80;
*** ERROR C202 IN LINE 60 OF DS18B20.C: 'dat': undefined identifier
  61   2        j=10;while(j>0) j--; 
*** ERROR C202 IN LINE 61 OF DS18B20.C: 'j': undefined identifier
*** ERROR C202 IN LINE 61 OF DS18B20.C: 'j': undefined identifier
*** ERROR C202 IN LINE 61 OF DS18B20.C: 'j': undefined identifier
  62   2       }
  63   1       return(dat);
*** ERROR C202 IN LINE 63 OF DS18B20.C: 'dat': undefined identifier
  64   1      }
  65          
  66          //写一个字节
  67          void WriteOneChar(unsigned char dat)
  68          {
  69   1       unsigned char i=0;
  70   1       unsigned char j=0;
  71   1       for (i=8; i>0; i--)
  72   1       {
  73   2        DQ = 1;
*** ERROR C202 IN LINE 73 OF DS18B20.C: 'DQ': undefined identifier
  74   2        DQ = 0;
*** ERROR C202 IN LINE 74 OF DS18B20.C: 'DQ': undefined identifier
  75   2        j++;
  76   2        j++;
  77   2        //j=10;while(j>0) j--;
  78   2        DQ = dat&0x01;
*** ERROR C202 IN LINE 78 OF DS18B20.C: 'DQ': undefined identifier
  79   2        j=10;while(j>0) j--;
  80   2        dat>>=1;
  81   2        DQ=1;
*** ERROR C202 IN LINE 81 OF DS18B20.C: 'DQ': undefined identifier
  82   2        j++;
  83   2       }
  84   1      }
  85          
C51 COMPILER V7.09   DS18B20                                                               08/06/2007 14:13:54 PAGE 3   

  86          //读取温度
  87          unsigned int ReadTemperature(void)
  88          {
  89   1      unsigned char a=0;
  90   1      unsigned char b=0;
  91   1      unsigned int t=0;
  92   1      Init_DS18B20();
  93   1      delay_18b20(1);
  94   1      if(flag==1)
*** ERROR C202 IN LINE 94 OF DS18B20.C: 'flag': undefined identifier
  95   1       {
  96   2      
  97   2        WriteOneChar(0xCC); // 跳过读序号列号的操作
  98   2        WriteOneChar(0x44); // 启动温度转换
  99   2        delay_18b20(200);
 100   2        Init_DS18B20();
 101   2        delay_18b20(1);
 102   2        WriteOneChar(0xCC); //跳过读序号列号的操作
 103   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
 104   2        a=ReadOneChar();
 105   2        b=ReadOneChar();
 106   2        t=b;
 107   2        t<<=8;
 108   2        t=t|a;
 109   2        t>>=4;
 110   2        //tt=t*0.0625;
 111   2        //t= tt*10+0.5; //放大10倍输出并四舍五入---此行没用
 112   2        return(t);
 113   2        }
 114   1      else 
 115   1        return(0);
 116   1      }

C51 COMPILATION COMPLETE.  0 WARNING(S),  33 ERROR(S)