src/marnav/nmea/mss.cpp

   1 #include <marnav/nmea/mss.hpp>
   2 #include <marnav/nmea/io.hpp>
   3 #include <stdexcept>
   4
   5 namespace marnav
   6 {
   7 namespace nmea
   8 {
   9 constexpr sentence_id mss::ID;
  10 constexpr const char * mss::TAG;
  11
  12 mss::mss()
  13         : sentence(ID, TAG, talker::global_positioning_system)
  14 {
  15 }
  16
  17 mss::mss(talker talk, fields::const_iterator first, fields::const_iterator last)
  18         : sentence(ID, TAG, talk)
  19 {
  20         if (std::distance(first, last) != 5)
  21                 throw std::invalid_argument{"invalid number of fields in mss"};
  22
  23         read(*(first + 0), signal_strength_);
  24         read(*(first + 1), signal_to_noise_ratio_);
  25         read(*(first + 2), beacon_frequency_);
  26         read(*(first + 3), beacon_datarate_);
  27         read(*(first + 4), unknown_);
  28 }
  29
  30 void mss::append_data_to(std::string & s) const
  31 {
  32         append(s, format(signal_strength_, 2));
  33         append(s, format(signal_to_noise_ratio_, 2));
  34         append(s, format(beacon_frequency_, 3));
  35         append(s, format(beacon_datarate_, 3));
  36         append(s, to_string(unknown_));
  37 }
  38 }
  39 }