src/marnav/seatalk/message_24.hpp

   1 #ifndef __SEATALK__MESSAGE_24__HPP__
   2 #define __SEATALK__MESSAGE_24__HPP__
   3
   4 #include <marnav/seatalk/message.hpp>
   5
   6 namespace marnav
   7 {
   8 namespace seatalk
   9 {
  10
  11 /// @brief Display units for Mileage and Speed
  12 ///
  13 /// @code
  14 /// 24 02 00 00 XX
  15 ///
  16 /// XX:
  17 ///  0x00 : nautical miles (1852m), knots (nautical miles per hour)
  18 ///  0x06 : statute miles (1609.3m), statute miles per hour
  19 ///  0x86 : kilometers (1000m), kilometers per hour
  20 /// @endcode
  21 ///
  22 class message_24 : public message
  23 {
  24 public:
  25         constexpr static const message_id ID = message_id::display_units_mileage_speed;
  26
  27         enum unit_type : uint8_t {
  28                 nautical_miles = 0x00,
  29                 knots = 0x00,
  30                 statute_miles = 0x06,
  31                 statute_miles_per_hour = 0x06,
  32                 kilometers = 0x86,
  33                 kilometers_per_hour = 0x86,
  34         };
  35
  36         message_24();
  37         message_24(const message_24 &) = default;
  38         message_24 & operator=(const message_24 &) = default;
  39
  40         virtual raw get_data() const override;
  41
  42         static std::unique_ptr<message> parse(const raw & data);
  43
  44 private:
  45         unit_type unit;
  46
  47 public:
  48         unit_type get_unit() const noexcept { return unit; }
  49
  50         void set_unit(unit_type t) noexcept { unit = t; }
  51 };
  52 }
  53 }
  54
  55 #endif