src/marnav/nmea/mtw.hpp

   1 #ifndef __MARNAV__NMEA__MTW__HPP__
   2 #define __MARNAV__NMEA__MTW__HPP__
   3
   4 #include <marnav/nmea/sentence.hpp>
   5 #include <marnav/utils/optional.hpp>
   6
   7 namespace marnav
   8 {
   9 namespace nmea
  10 {
  11 MARNAV_NMEA_DECLARE_SENTENCE_PARSE_FUNC(mtw)
  12
  13 /// @brief MTW - Mean Temperature of Water
  14 ///
  15 /// @code
  16 ///        1   2
  17 ///        |   |
  18 /// $--MTW,x.x,C*hh<CR><LF>
  19 /// @endcode
  20 ///
  21 /// Field Number:
  22 /// 1. Degrees
  23 /// 2. Unit of Measurement
  24 ///    - C = Celcius
  25 ///
  26 class mtw : public sentence
  27 {
  28         MARNAV_NMEA_SENTENCE_FRIENDS(mtw)
  29
  30 public:
  31         constexpr static const sentence_id ID = sentence_id::MTW;
  32         constexpr static const char * TAG = "MTW";
  33
  34         mtw();
  35         mtw(const mtw &) = default;
  36         mtw & operator=(const mtw &) = default;
  37         mtw(mtw &&) = default;
  38         mtw & operator=(mtw &&) = default;
  39
  40 protected:
  41         mtw(talker talk, fields::const_iterator first, fields::const_iterator last);
  42         virtual std::vector<std::string> get_data() const override;
  43
  44 private:
  45         utils::optional<double> temperature; // water temperature
  46         utils::optional<unit::temperature> temperature_unit; // unit degrees, C:celcius
  47
  48 public:
  49         decltype(temperature) get_temperature() const { return temperature; }
  50         decltype(temperature_unit) get_temperature_unit() const { return temperature_unit; }
  51
  52         void set_temperature(double t) noexcept;
  53 };
  54 }
  55 }
  56
  57 #endif