src/W1Device.hh

   1 /*
   2  * W1Device.hh
   3  *
   4  *  Created on: Oct 20, 2010
   5  *      Author: lamikr
   6  */
   7
   8 #ifndef W1DEVICE_HH_
   9 #define W1DEVICE_HH_
  10
  11 #include <string>
  12 #include <list>
  13
  14 #include <dirent.h>
  15 #include <stdbool.h>
  16
  17 #include <plp/Data.hh>
  18 #include <plp/SensorDevice.hh>
  19 #include <plp/Device.hh>
  20
  21 #ifndef W1_SCAN_ROOTDIR
  22 #define W1_SCAN_ROOTDIR         "/sys/bus/w1/devices"
  23 #endif
  24
  25 #ifndef W1_SLAVE_FILE
  26 #define W1_SLAVE_FILE           "w1_slave";
  27 #endif
  28
  29 namespace w1 {
  30         class W1Device : public plp::SensorDevice {
  31                 public:
  32                         W1Device(std::string device_id_param,
  33                                 std::string device_type_param,
  34                                 dirent *direntry_param);
  35                         virtual ~W1Device();
  36                         std::string get_name();
  37                         void set_name(std::string name_param);
  38                         void printout();
  39                         plp::Data *get_data();
  40                         plp::DataReader *get_device_data();
  41                 protected:
  42                         std::string dir_path;
  43                         std::string slave_file;
  44                         std::list<plp::Data *> memory_cache;
  45                         plp::DataReader *reader;
  46                         void save_and_clean_cache();
  47                         virtual std::vector<double> *get_raw_data() = 0;
  48                         virtual unsigned int get_data_decimal_precision() = 0;
  49                         void cache(plp::Data *data);
  50                         std::string to_string(double val, int digit_count);
  51         };
  52 }
  53
  54 #endif /* W1DEVICE_HH_ */