src/marnav/seatalk/message_20.hpp

   1 #ifndef __SEATALK__MESSAGE_20__HPP__
   2 #define __SEATALK__MESSAGE_20__HPP__
   3
   4 #include <marnav/seatalk/message.hpp>
   5
   6 namespace marnav
   7 {
   8 namespace seatalk
   9 {
  10
  11 /// @brief Speed through water
  12 ///
  13 /// @code
  14 /// 20 01 XX XX
  15 ///
  16 /// Speed through water: XXXX/10 Knots
  17 /// @endcode
  18 ///
  19 /// Corresponding NMEA sentence: VHW
  20 ///
  21 class message_20 : public message
  22 {
  23 public:
  24         constexpr static const message_id ID = message_id::speed_through_water;
  25         constexpr static size_t SIZE = 4;
  26
  27         message_20();
  28         message_20(const message_20 &) = default;
  29         message_20 & operator=(const message_20 &) = default;
  30
  31         virtual raw get_data() const override;
  32
  33         static std::unique_ptr<message> parse(const raw & data);
  34
  35 private:
  36         uint16_t speed; // speed in 1/10th of knots
  37
  38 public:
  39         uint16_t get_speed() const noexcept { return speed; }
  40
  41         void set_speed(uint16_t t) noexcept { speed = t; }
  42 };
  43 }
  44 }
  45
  46 #endif