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Code Issues Releases Wiki Activity

Improve reporting of TTFF

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This commit is contained in:
Carles Fernandez
2025-12-14 10:45:59 +01:00
parent dd5ce88e62
commit 8e4343d5ec
3 changed files with 46 additions and 4 deletions
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20
src/algorithms/PVT/gnuradio_blocks/rtklib_pvt_gs.cc
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@@ -2423,20 +2423,32 @@ int rtklib_pvt_gs::work(int noutput_items, gr_vector_const_void_star& input_item
if (d_first_fix == true)
{
std::ostringstream ss;
ss << "First position fix at ";
if (d_show_local_time_zone)
{
const boost::posix_time::ptime time_first_solution = d_user_pvt_solver->get_position_UTC_time() + d_utc_diff_time;
std::cout << "First position fix at " << time_first_solution << d_local_time_str;
ss << time_first_solution << d_local_time_str;
}
else
{
std::cout << "First position fix at " << d_user_pvt_solver->get_position_UTC_time() << " UTC";
ss << d_user_pvt_solver->get_position_UTC_time() << " UTC";
}
std::cout << " is Lat = " << d_user_pvt_solver->get_latitude() << " [deg], Long = " << d_user_pvt_solver->get_longitude()
<< " [deg], Height= " << d_user_pvt_solver->get_height() << " [m]\n";
ss << " is Lat = " << d_user_pvt_solver->get_latitude()
<< " [deg], Long = " << d_user_pvt_solver->get_longitude()
<< " [deg], Height = " << d_user_pvt_solver->get_height()
<< " [m], with GDOP = " << d_user_pvt_solver->get_gdop();
std::cout << ss.str() << std::endl;
d_end = std::chrono::system_clock::now();
std::chrono::duration<double> elapsed_seconds = d_end - d_start;
double ttff = elapsed_seconds.count();
ss << "\nTime to First Fix: " << ttff << " [s] (wall clock)\n";
if (d_nmea_output_file_enabled)
{
ss << "\nFirst NMEA message: " << d_nmea_printer->get_GPGGA(d_user_pvt_solver.get());
}
LOG(INFO) << ss.str();
send_ttff_msg(ttff);
d_first_fix = false;
}

20
src/algorithms/PVT/libs/nmea_printer.cc
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@@ -438,3 +438,23 @@ std::string Nmea_Printer::get_GPGGA() const
return sentence_str.str();
// $GPGGA,104427.591,5920.7009,N,01803.2938,E,1,05,3.3,78.2,M,23.2,M,0.0,0000*4A
}
std::string Nmea_Printer::get_GPGGA(const Rtklib_Solver* const pvt_data) const
{
std::stringstream sentence_str;
std::array<unsigned char, 1024> buff{};
outnmea_gga(buff.data(), &pvt_data->pvt_sol);
sentence_str << buff.data();
return sentence_str.str();
}
std::string Nmea_Printer::get_GPGSA(const Rtklib_Solver* const pvt_data) const
{
std::stringstream sentence_str;
std::array<unsigned char, 1024> buff{};
outnmea_gsa(buff.data(), &pvt_data->pvt_sol, pvt_data->pvt_ssat.data());
sentence_str << buff.data();
return sentence_str.str();
}

10
src/algorithms/PVT/libs/nmea_printer.h
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@@ -59,6 +59,16 @@ public:
*/
bool Print_Nmea_Line(const Rtklib_Solver* const pvt_data);
/*!
* \brief Returns GPGGA message (fix data)
*/
std::string get_GPGGA(const Rtklib_Solver* const pvt_data) const;
/*!
* \brief Returns GPGSA message (overall satellite reception data)
*/
std::string get_GPGSA(const Rtklib_Solver* const pvt_data) const;
private:
int init_serial(const std::string& serial_device); // serial port control
void close_serial() const;