src/marnav/nmea/hdt.cpp

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