src/marnav/nmea/dbt.hpp

   1 #ifndef __MARNAV__NMEA__DBT__HPP__
   2 #define __MARNAV__NMEA__DBT__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(dbt)
  12
  13 /// @brief DBT - Depth Below Transducer
  14 ///
  15 /// @code
  16 ///        1   2 3   4 5   6
  17 ///        |   | |   | |   |
  18 /// $--DBT,x.x,f,x.x,M,x.x,F*hh<CR><LF>
  19 /// @endcode
  20 ///
  21 /// Field Number:
  22 /// 1. Depth feet
  23 /// 2. Depth feet unit
  24 ///    - f = feet
  25 /// 3. Depth meters
  26 /// 4. Depth meters unit
  27 ///    - M = meters
  28 /// 5. Depth Fathoms
  29 /// 6. Depth Fathoms unit
  30 ///    - F = Fathoms
  31 ///
  32 /// In real-world sensors, sometimes not all three conversions are reported.
  33 /// So you night see something like <tt>$SDDBT,,f,22.5,M,,F*cs</tt>
  34 ///
  35 class dbt : public sentence
  36 {
  37         MARNAV_NMEA_SENTENCE_FRIENDS(dbt)
  38
  39 public:
  40         constexpr static const sentence_id ID = sentence_id::DBT;
  41         constexpr static const char * TAG = "DBT";
  42
  43         dbt();
  44         dbt(const dbt &) = default;
  45         dbt & operator=(const dbt &) = default;
  46         dbt(dbt &&) = default;
  47         dbt & operator=(dbt &&) = default;
  48
  49 protected:
  50         dbt(talker talk, fields::const_iterator first, fields::const_iterator last);
  51         virtual std::vector<std::string> get_data() const override;
  52
  53 private:
  54         utils::optional<double> depth_feet; // water depth in feet
  55         utils::optional<unit::distance> depth_feet_unit; // f:feet
  56         utils::optional<double> depth_meter; // water depth in meter
  57         utils::optional<unit::distance> depth_meter_unit; // M:meter
  58         utils::optional<double> depth_fathom; // water depth in fathom
  59         utils::optional<unit::distance> depth_fathom_unit; // F:fathom
  60
  61 public:
  62         decltype(depth_feet) get_depth_feet() const { return depth_feet; }
  63         decltype(depth_feet_unit) get_depth_feet_unit() const { return depth_feet_unit; }
  64         decltype(depth_meter) get_depth_meter() const { return depth_meter; }
  65         decltype(depth_meter_unit) get_depth_meter_unit() const { return depth_meter_unit; }
  66         decltype(depth_fathom) get_depth_fathom() const { return depth_fathom; }
  67         decltype(depth_fathom_unit) get_depth_fathom_unit() const { return depth_fathom_unit; }
  68
  69         void set_depth_feet(double t) noexcept;
  70         void set_depth_meter(double t) noexcept;
  71         void set_depth_fathom(double t) noexcept;
  72 };
  73 }
  74 }
  75
  76 #endif