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 #include <pthread.h>
  17
  18 #include <plp/Data.hh>
  19 #include <plp/DataReader.hh>
  20 #include <plp/SensorDevice.hh>
  21 #include <plp/Device.hh>
  22
  23 #ifndef W1_SCAN_ROOTDIR
  24 #define W1_SCAN_ROOTDIR         "/sys/bus/w1/devices"
  25 #endif
  26
  27 #ifndef W1_SLAVE_FILE
  28 #define W1_SLAVE_FILE           "w1_slave";
  29 #endif
  30
  31 namespace w1 {
  32         class W1Device : public plp::SensorDevice {
  33                 public:
  34                         W1Device(std::string device_id_param,
  35                                 std::string device_type_param,
  36                                 dirent *direntry_param);
  37                         ~W1Device();
  38                         void printout();
  39                         plp::Data *get_data();
  40                         const plp::DataReader *get_datareader();
  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() { return 1; }
  49                         void cache(plp::Data *new_data);
  50                         std::string to_string(double val, int digit_count);
  51                         pthread_mutex_t plock;
  52         };
  53 }
  54
  55 #endif /* W1DEVICE_HH_ */