src/marnav/seatalk/message_54.hpp

   1 #ifndef MARNAV__SEATALK__MESSAGE_54__HPP
   2 #define MARNAV__SEATALK__MESSAGE_54__HPP
   3
   4 #include <marnav/seatalk/message.hpp>
   5
   6 namespace marnav
   7 {
   8 namespace seatalk
   9 {
  10
  11 /// @brief GMT-Time
  12 ///
  13 /// @code
  14 /// 54 T1 RS HH
  15 ///
  16 /// GMT-time:
  17 ///     HH hours,
  18 ///     6 MSBits of RST = minutes = (RS & 0xFC) / 4
  19 ///     6 LSBits of RST = seconds =  ST & 0x3F
  20 /// @endcode
  21 ///
  22 /// Corresponding NMEA sentences: RMC, GAA, BWR, BWC
  23 ///
  24 class message_54 : public message
  25 {
  26 public:
  27         constexpr static const message_id ID = message_id::gmt_time;
  28         constexpr static size_t SIZE = 4;
  29
  30         message_54();
  31         message_54(const message_54 &) = default;
  32         message_54 & operator=(const message_54 &) = default;
  33
  34         virtual raw get_data() const override;
  35
  36         static std::unique_ptr<message> parse(const raw & data);
  37
  38 private:
  39         uint8_t hour_;
  40         uint8_t minute_;
  41         uint8_t second_;
  42
  43 public:
  44         uint8_t get_hour() const noexcept { return hour_; }
  45         uint8_t get_minute() const noexcept { return minute_; }
  46         uint8_t get_second() const noexcept { return second_; }
  47
  48         void set_time(uint8_t h, uint8_t m, uint8_t s) noexcept;
  49 };
  50 }
  51 }
  52
  53 #endif