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(int family_code_param,
  17                                 string device_id_param,
  18                                 dirent *direntry_param): W1Device(family_code_param, device_id_param, direntry_param) {
  19         string text;
  20
  21         ifstream ifs(slave_file.c_str());
  22         if (ifs.is_open() == true) {
  23                 text    = get_time() + ": device type = " + get_device_type() + ", 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_data() {
  47         string  ret_val;
  48         string  value_line;
  49         int     pos;
  50         int     length;
  51
  52         ret_val = "<could not read>";
  53         ifstream ifs(slave_file.c_str());
  54         if (ifs.is_open() == true) {
  55                 ret_val = "";
  56                 while(getline(ifs, value_line)) {
  57                         length  = value_line.length();
  58                         if (length > 0) {
  59                                 pos     = value_line.find("crc=YES c=");
  60                                 if ((pos >= 0) &&
  61                                     (pos + 10 < length)) {
  62                                         value_line      = value_line.substr(pos + 10);
  63                                 }
  64                                 else {
  65                                         value_line      = "";
  66                                 }
  67                         }
  68                         else {
  69                                 value_line      = "";
  70                         }
  71                         if (ret_val.length() == 0) {
  72                                 ret_val = value_line;
  73                         }
  74                         else {
  75                                 ret_val = ret_val + "|" + value_line;
  76                         }
  77                 }
  78                 ifs.close();
  79         }
  80         return ret_val;
  81 }
  82
  83 string W1CounterDevice::get_unit() {
  84         return "";
  85 }
  86
  87 string W1CounterDevice::get_device_type() {
  88         return "Counter Device";
  89 }