18b20.lst

通过车载终端采集GPS数据

C51 COMPILER V7.09   18B20                                                                 09/17/2008 14:44:43 PAGE 1   


C51 COMPILER V7.09, COMPILATION OF MODULE 18B20
OBJECT MODULE PLACED IN .\output\18b20.obj
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 1wire\18b20.c LARGE BROWSE INCDIR(audio\;eeprom\;extendUART\;flash\;gps\;in
                    -ter\;key\;mcu\;menu\;usb\;gprs\;main\;1wire\) DEBUG OBJECTEXTEND PRINT(.\output\18b20.lst) OBJECT(.\output\18b20.obj)

line level    source

   1          #include "1wire.h"
   2          #include "18B20.h"
   3          #include <stdio.h>
   4          #include "16c554.h"
   5          #include <string.h>
   6          
   7          extern char debug_msg[1024];
   8          void T18B20Debug(char* pVal)
   9          {
  10   1      /*    if (1 == value)
  11   1          {
  12   1              sprintf(debug_msg, "有温度传感器");
  13   1              siob_send(debug_msg, strlen(debug_msg));
  14   1          }
  15   1          else
  16   1          {
  17   1              sprintf(debug_msg, "无温度传感器");
  18   1              siob_send(debug_msg, strlen(debug_msg));
  19   1          }*/
  20   1          sprintf(debug_msg, "%02bX:%02bX,%02bX:%02bX:%02bX:%02bX,%02bX:%02bX:%02bX,\r\n ", \
  21   1                      pVal[0], pVal[1], pVal[2], pVal[3], pVal[4], pVal[5], pVal[6], pVal[7], pVal[8]);
  22   1          siob_send(debug_msg, strlen(debug_msg));
  23   1      }
  24          
  25          char ggggdebug[9];
  26          long gTemperature;//值：实际温度*10000
  27          unsigned char g18b20Point=0;
  28          void T18B20process()
  29          {
  30   1          unsigned char i;
  31   1          unsigned char val1, val2;
  32   1          unsigned char crc;
  33   1          
  34   1      /*    i = wire1_reset();
  35   1      //    T18B20Debug(i);
  36   1          wire1_writebyte(T18B20_READROM);  //read rom
  37   1          for (i=0; i<8; i++)
  38   1              ggggdebug[i] = wire1_readbyte();
  39   1          T18B20Debug(ggggdebug);*/
  40   1      
  41   1          if (0 == g18b20Point)
  42   1          {
  43   2              g18b20Point = 1;
  44   2              wire1_reset();
  45   2              wire1_writebyte(T18B20_SKIPROM);
  46   2              wire1_writebyte(T18B20_CONVERTT);
  47   2          }
  48   1          else
  49   1          {
  50   2              g18b20Point = 0;
  51   2              wire1_reset();
  52   2              wire1_writebyte(T18B20_SKIPROM);
  53   2              wire1_writebyte(T18B20_READSCRATCHPAD);
  54   2              for (i=0; i<9; i++)
C51 COMPILER V7.09   18B20                                                                 09/17/2008 14:44:43 PAGE 2   

  55   2                  ggggdebug[i] = wire1_readbyte();
  56   2       //       T18B20Debug(ggggdebug);
  57   2          }
  58   1      /*    i = wire1_reset();
  59   1          if (1 == i)
  60   1          {
  61   1              //有温度传感器
  62   1              wire1_writebyte(T18B20_SKIPROM);
  63   1              wire1_writebyte(T18B20_CONVERTT);
  64   1          
  65   1              wire1_reset();
  66   1              wire1_writebyte(T18B20_SKIPROM);
  67   1              wire1_writebyte(T18B20_READSCRATCHPAD);
  68   1              val1 = wire1_readbyte();
  69   1              val2 = wire1_readbyte();
  70   1              for (i=0; i<7; i++)
  71   1                  crc = wire1_readbyte();
  72   1              
  73   1              for (i=0; i<9; i++)
  74   1                  debug[i] = wire1_readbyte();
  75   1              T18B20Debug(debug);
  76   1              //chech crc
  77   1              //compute temperature
  78   1              gTemperature = ((val2&0x7)*256+val1)*625;
  79   1              if (val2 > 0xf0)
  80   1                  gTemperature = -gTemperature;
  81   1          }
  82   1          else
  83   1          {
  84   1              //无温度传感器
  85   1          }*/
  86   1          
  87   1      }
*** WARNING C280 IN LINE 31 OF 1WIRE\18B20.C: 'val1': unreferenced local variable
*** WARNING C280 IN LINE 31 OF 1WIRE\18B20.C: 'val2': unreferenced local variable
*** WARNING C280 IN LINE 32 OF 1WIRE\18B20.C: 'crc': unreferenced local variable
  88          
  89          static code const unsigned char  dscrc_table[] = {
  90          0, 94,188,226, 97, 63,221,131,194,156,126, 32,163,253, 31, 65,
  91          157,195, 33,127,252,162, 64, 30, 95, 1,227,189, 62, 96,130,220,
  92          35,125,159,193, 66, 28,254,160,225,191, 93, 3,128,222, 60, 98,
  93          190,224, 2, 92,223,129, 99, 61,124, 34,192,158, 29, 67,161,255,
  94          70, 24,250,164, 39,121,155,197,132,218, 56,102,229,187, 89, 7,
  95          219,133,103, 57,186,228, 6, 88, 25, 71,165,251,120, 38,196,154,
  96          101, 59,217,135, 4, 90,184,230,167,249, 27, 69,198,152,122, 36,
  97          248,166, 68, 26,153,199, 37,123, 58,100,134,216, 91, 5,231,185,
  98          140,210, 48,110,237,179, 81, 15, 78, 16,242,172, 47,113,147,205,
  99          17, 79,173,243,112, 46,204,146,211,141,111, 49,178,236, 14, 80,
 100          175,241, 19, 77,206,144,114, 44,109, 51,209,143, 12, 82,176,238,
 101          50,108,142,208, 83, 13,239,177,240,174, 76, 18,145,207, 45,115,
 102          202,148,118, 40,171,245, 23, 73, 8, 86,180,234,105, 55,213,139,
 103          87, 9,235,181, 54,104,138,212,149,203, 41,119,244,170, 72, 22,
 104          233,183, 85, 11,136,214, 52,106, 43,117,151,201, 74, 20,246,168,
 105          116, 42,200,150, 21, 75,169,247,182,232, 10, 84,215,137,107, 53
 106          };
 107          
 108          /***********************************
 109          *校验和是否吻合
 110          *num：输入长度
 111          *Src：最后一个字节为校验和，其余为内容
 112          *返回值：1：是；0：否
 113          ***********************************/
C51 COMPILER V7.09   18B20                                                                 09/17/2008 14:44:43 PAGE 3   

 114          unsigned char Ds18b20_crc(unsigned char num,unsigned char *Src)
 115          {
 116   1          unsigned char i;
 117   1          unsigned char crcdata = 0;
 118   1          for ( i = 0; i < num-1; i++ )
 119   1          {
 120   2              crcdata = crcdata ^ (*Src); Src++;
 121   2              crcdata = dscrc_table[crcdata];
 122   2          }
 123   1          if (crcdata==*Src) 
 124   1              return 1;
 125   1          else 
 126   1              return 0;
 127   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    281    ----
   CONSTANT SIZE    =    314    ----
   XDATA SIZE       =     14       8
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  3 WARNING(S),  0 ERROR(S)