src/W1CounterDevice.cc

   1 /*
   2  * W1CounterDevice.cc
   3  *
   4  *  Created on: Oct 30, 2010
   5  *      Author: lamikr
   6  */
   7
   8 #include <iostream>
   9 #include <fstream>
  10
  11 #include "W1CounterDevice.hh"
  12
  13 using namespace std;
  14 using namespace w1;
  15
  16 W1CounterDevice::W1CounterDevice(dirent *direntry,
  17                                 int family_code_param,
  18                                 string id_param): W1Device(direntry, family_code_param, id_param) {
  19         ifstream ifs(slave_file.c_str());
  20         if (ifs.is_open() == true) {
  21                 string text;
  22
  23                 text    = get_time() + ": device type = " + get_devicetype_name() + ", id = " + id + ", could not read file: " + slave_file;
  24                 cout << text << endl;
  25                 cout << "verify that you have w1_ds2423 kernel module loaded." << endl;
  26                 ifs.close();
  27         }
  28 }
  29
  30 W1CounterDevice::~W1CounterDevice() {
  31         // TODO Auto-generated destructor stub
  32 }
  33
  34 bool W1CounterDevice::is_supported_family_code(int family_code) {
  35         bool    ret_val;
  36
  37         ret_val = false;
  38         switch(family_code) {
  39                 case 0x1d:
  40                         ret_val = true;
  41                         break;
  42         }
  43         return ret_val;
  44 }
  45
  46 string W1CounterDevice::get_raw_value() {
  47         string          ret_val;
  48         string          value_line;
  49         int             pos;
  50         int             length;
  51         int             ii;
  52
  53         ret_val = "<could not read>";
  54         ifstream ifs(slave_file.c_str());
  55         if (ifs.is_open() == true) {
  56                 ret_val = "";
  57                 while(getline(ifs, value_line)) {
  58                         length  = value_line.length();
  59                         if (length > 0) {
  60                                 pos     = value_line.find("crc=YES c=");
  61                                 if ((pos >= 0) &&
  62                                     (pos + 10 < length)) {
  63                                         value_line      = value_line.substr(pos + 10);
  64                                 }
  65                                 else {
  66                                         value_line      = "";
  67                                 }
  68                         }
  69                         else {
  70                                 value_line      = "";
  71                         }
  72                         if (ret_val.length() == 0) {
  73                                 ret_val = value_line;
  74                         }
  75                         else {
  76                                 ret_val = ret_val + "|" + value_line;
  77                         }
  78                 }
  79                 ifs.close();
  80         }
  81         return ret_val;
  82 }
  83
  84 string W1CounterDevice::get_unit() {
  85         return "";
  86 }
  87
  88 string W1CounterDevice::get_devicetype_name() {
  89         return "Counter Device";
  90 }