gnss-sdr/src/core/system_parameters/galileo_has_data.cc

768 lines
28 KiB
C++

/*!
* \file galileo_has_data.cc
* \brief Class for Galileo HAS message type 1 data storage
* \author Carles Fernandez-Prades, 2020-2021 cfernandez(at)cttc.es
*
* -----------------------------------------------------------------------------
*
* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
* This file is part of GNSS-SDR.
*
* Copyright (C) 2010-2021 (see AUTHORS file for a list of contributors)
* SPDX-License-Identifier: GPL-3.0-or-later
*
* -----------------------------------------------------------------------------
*/
#include "galileo_has_data.h"
#include "Galileo_CNAV.h"
#include <algorithm>
#include <bitset>
#include <numeric>
#include <sstream>
std::vector<int> Galileo_HAS_data::get_PRNs_in_mask(uint8_t nsys) const
{
std::vector<int> prn;
if (nsys < satellite_mask.size())
{
uint64_t sat_mask = satellite_mask[nsys];
std::bitset<HAS_MSG_NUMBER_SATELLITE_IDS> bits(sat_mask);
std::string bit_str = bits.to_string();
for (int32_t i = 0; i < HAS_MSG_NUMBER_SATELLITE_IDS; i++)
{
if (bit_str[i] == '1')
{
prn.push_back(i + 1);
}
}
}
return prn;
}
std::vector<int> Galileo_HAS_data::get_PRNs_in_submask(uint8_t nsys) const
{
std::vector<int> prn;
std::vector<int> prn_in_submask;
if (nsys < satellite_submask.size())
{
auto it = std::find(gnss_id_mask.begin(), gnss_id_mask.end(), gnss_id_clock_subset[nsys]);
int index = 0;
if (it != gnss_id_mask.end())
{
index = it - gnss_id_mask.begin();
}
else
{
return prn_in_submask;
}
uint8_t nsys_index_in_mask = gnss_id_mask[index];
uint64_t sat_mask = satellite_mask[nsys_index_in_mask];
std::bitset<HAS_MSG_NUMBER_SATELLITE_IDS> bits(sat_mask);
std::string mask_bit_str = bits.to_string();
for (int i = 0; i < HAS_MSG_NUMBER_SATELLITE_IDS; i++)
{
if (mask_bit_str[i] == '1')
{
prn.push_back(i + 1);
}
}
int number_sats_this_gnss_id = std::count(mask_bit_str.begin(), mask_bit_str.end(), '1');
uint64_t sat_submask = satellite_submask[nsys];
// convert into string
std::string sat_submask_str("");
uint64_t aux = 1;
for (int k = 0; k < number_sats_this_gnss_id - 1; k++)
{
if ((aux & sat_submask) >= 1)
{
sat_submask_str.insert(0, "1");
}
else
{
sat_submask_str.insert(0, "0");
}
aux <<= 1;
}
for (int i = 0; i < number_sats_this_gnss_id; i++)
{
if (sat_submask_str[i] == '1')
{
prn_in_submask.push_back(prn[i]);
}
}
}
return prn_in_submask;
}
std::vector<std::string> Galileo_HAS_data::get_signals_in_mask(uint8_t nsys) const
{
std::vector<std::string> signals_in_mask;
if (signal_mask.size() > nsys)
{
uint16_t sig = signal_mask[nsys];
std::bitset<HAS_MSG_NUMBER_SIGNAL_MASKS> bits(sig);
std::string bits_str = bits.to_string();
for (int32_t k = 0; k < HAS_MSG_NUMBER_SIGNAL_MASKS; k++)
{
if (bits_str[k] == '1')
{
uint8_t system = gnss_id_mask[nsys];
std::string signal;
switch (k)
{
case 0:
if (system == 0)
{
// GPS
signal = "L1 C/A";
}
else if (system == 2)
{
// Galileo
signal = "E1-B I/NAV OS";
}
else
{
signal = "Unknown";
}
break;
case 1:
if (system == 0)
{
// GPS
signal = "Reserved";
}
else if (system == 2)
{
// Galileo
signal = "E1-C";
}
else
{
signal = "Unknown";
}
break;
case 2:
if (system == 0)
{
// GPS
signal = "Reserved";
}
else if (system == 2)
{
// Galileo
signal = "E1-B + E1-C";
}
else
{
signal = "Unknown";
}
break;
case 3:
if (system == 0)
{
// GPS
signal = "L1 L1C(D)";
}
else if (system == 2)
{
// Galileo
signal = "E5a-I F/NAV OS";
}
else
{
signal = "Unknown";
}
break;
case 4:
if (system == 0)
{
// GPS
signal = "L1 L1C(P)";
}
else if (system == 2)
{
// Galileo
signal = "E5a-Q";
}
else
{
signal = "Unknown";
}
break;
case 5:
if (system == 0)
{
// GPS
signal = "L1 L1C(D+P)";
}
else if (system == 2)
{
// Galileo
signal = "E5a-I+E5a-Q";
}
else
{
signal = "Unknown";
}
break;
case 6:
if (system == 0)
{
// GPS
signal = "L2 L2C(M)";
}
else if (system == 2)
{
// Galileo
signal = "E5b-I I/NAV OS";
}
else
{
signal = "Unknown";
}
break;
case 7:
if (system == 0)
{
// GPS
signal = "L2 L2C(L)";
}
else if (system == 2)
{
// Galileo
signal = "E5b-Q";
}
else
{
signal = "Unknown";
}
break;
case 8:
if (system == 0)
{
// GPS
signal = "L2 L2C(M+L)";
}
else if (system == 2)
{
// Galileo
signal = "E5b-I+E5b-Q";
}
else
{
signal = "Unknown";
}
break;
case 9:
if (system == 0)
{
// GPS
signal = "L2 P";
}
else if (system == 2)
{
// Galileo
signal = "E5-I";
}
else
{
signal = "Unknown";
}
break;
case 10:
if (system == 0)
{
// GPS
signal = "Reserved";
}
else if (system == 2)
{
// Galileo
signal = "E5-Q";
}
else
{
signal = "Unknown";
}
break;
case 11:
if (system == 0)
{
// GPS
signal = "L5 I";
}
else if (system == 2)
{
// Galileo
signal = "E5-I + E5-Q";
}
else
{
signal = "Unknown";
}
break;
case 12:
if (system == 0)
{
// GPS
signal = "L5 Q";
}
else if (system == 2)
{
// Galileo
signal = "E6-B C/NAV HAS";
}
else
{
signal = "Unknown";
}
break;
case 13:
if (system == 0)
{
// GPS
signal = "L5 I + L5 Q";
}
else if (system == 2)
{
// Galileo
signal = "E6-C";
}
else
{
signal = "Unknown";
}
break;
case 14:
if (system == 0)
{
// GPS
signal = "Reserved";
}
else if (system == 2)
{
// Galileo
signal = "E6-B + E6-C";
}
else
{
signal = "Unknown";
}
break;
case 15:
if (system == 0)
{
// GPS
signal = "Reserved";
}
else if (system == 2)
{
// Galileo
signal = "Reserved";
}
else
{
signal = "Unknown";
}
break;
default:
signal = "Unknown";
}
signals_in_mask.push_back(signal);
}
}
}
return signals_in_mask;
}
uint8_t Galileo_HAS_data::get_gnss_id(int nsat) const
{
int number_sats = 0;
for (uint8_t i = 0; i < Nsys; i++)
{
number_sats += static_cast<int>(get_PRNs_in_mask(i).size());
if (nsat < number_sats)
{
return gnss_id_mask[i];
}
}
return HAS_MSG_WRONG_SYSTEM;
}
uint16_t Galileo_HAS_data::get_validity_interval_s(uint8_t validity_interval_index) const
{
uint16_t validity_interval;
switch (validity_interval_index)
{
case 0:
validity_interval = 5;
break;
case 1:
validity_interval = 10;
break;
case 2:
validity_interval = 15;
break;
case 3:
validity_interval = 20;
break;
case 4:
validity_interval = 30;
break;
case 5:
validity_interval = 60;
break;
case 6:
validity_interval = 90;
break;
case 7:
validity_interval = 120;
break;
case 8:
validity_interval = 180;
break;
case 9:
validity_interval = 240;
break;
case 10:
validity_interval = 300;
break;
case 11:
validity_interval = 600;
break;
case 12:
validity_interval = 900;
break;
case 13:
validity_interval = 1800;
break;
case 14:
validity_interval = 3600;
break;
default: // reserved
validity_interval = 0;
}
return validity_interval;
}
std::vector<float> Galileo_HAS_data::get_delta_radial_m() const
{
std::vector<float> delta_radial_m;
delta_radial_m.reserve(this->delta_radial.size());
for (const auto& d : this->delta_radial)
{
delta_radial_m.push_back(static_cast<float>(d) * HAS_MSG_DELTA_RADIAL_SCALE_FACTOR);
}
return delta_radial_m;
}
std::vector<float> Galileo_HAS_data::get_delta_radial_m(uint8_t nsys) const
{
std::vector<float> delta_orbit_radial_m = this->get_delta_radial_m();
if (nsys >= this->Nsys)
{
return delta_orbit_radial_m;
}
std::vector<float> delta_orbit_radial_m_aux;
uint8_t num_sats_in_this_system = this->get_num_satellites()[nsys];
delta_orbit_radial_m_aux.reserve(num_sats_in_this_system);
size_t index = 0;
for (uint8_t sys = 0; sys <= nsys; sys++)
{
uint8_t num_sats_in_system = this->get_num_satellites()[sys];
if (sys != nsys)
{
index += num_sats_in_system;
}
else
{
for (uint8_t sat = 0; sat < num_sats_in_system; sat++)
{
delta_orbit_radial_m_aux.push_back(delta_orbit_radial_m[index]);
index++;
}
}
}
return delta_orbit_radial_m_aux;
}
std::vector<float> Galileo_HAS_data::get_delta_along_track_m() const
{
std::vector<float> delta_along_track_m;
delta_along_track_m.reserve(this->delta_along_track.size());
for (const auto& d : this->delta_along_track)
{
delta_along_track_m.push_back(static_cast<float>(d) * HAS_MSG_DELTA_ALONG_TRACK_SCALE_FACTOR);
}
return delta_along_track_m;
}
std::vector<float> Galileo_HAS_data::get_delta_along_track_m(uint8_t nsys) const
{
std::vector<float> delta_along_track_m = this->get_delta_along_track_m();
if (nsys >= this->Nsys)
{
return delta_along_track_m;
}
std::vector<float> delta_along_track_m_aux;
uint8_t num_sats_in_this_system = this->get_num_satellites()[nsys];
delta_along_track_m_aux.reserve(num_sats_in_this_system);
size_t index = 0;
for (uint8_t sys = 0; sys <= nsys; sys++)
{
uint8_t num_sats_in_system = this->get_num_satellites()[sys];
if (sys != nsys)
{
index += num_sats_in_system;
}
else
{
for (uint8_t sat = 0; sat < num_sats_in_system; sat++)
{
delta_along_track_m_aux.push_back(delta_along_track_m[index]);
index++;
}
}
}
return delta_along_track_m_aux;
}
std::vector<float> Galileo_HAS_data::get_delta_cross_track_m() const
{
std::vector<float> delta_cross_track_m;
delta_cross_track_m.reserve(this->delta_cross_track.size());
for (const auto& d : this->delta_along_track)
{
delta_cross_track_m.push_back(static_cast<float>(d) * HAS_MSG_DELTA_CROSS_TRACK_SCALE_FACTOR);
}
return delta_cross_track_m;
}
std::vector<float> Galileo_HAS_data::get_delta_cross_track_m(uint8_t nsys) const
{
std::vector<float> delta_cross_track_m = this->get_delta_cross_track_m();
if (nsys >= this->Nsys)
{
return delta_cross_track_m;
}
std::vector<float> delta_cross_track_m_aux;
uint8_t num_sats_in_this_system = this->get_num_satellites()[nsys];
delta_cross_track_m_aux.reserve(num_sats_in_this_system);
size_t index = 0;
for (uint8_t sys = 0; sys <= nsys; sys++)
{
uint8_t num_sats_in_system = this->get_num_satellites()[sys];
if (sys != nsys)
{
index += num_sats_in_system;
}
else
{
for (uint8_t sat = 0; sat < num_sats_in_system; sat++)
{
delta_cross_track_m_aux.push_back(delta_cross_track_m[index]);
index++;
}
}
}
return delta_cross_track_m_aux;
}
std::vector<float> Galileo_HAS_data::get_delta_clock_c0_m() const
{
std::vector<float> delta_clock_c0_m;
delta_clock_c0_m.reserve(this->delta_clock_c0.size());
for (const auto& d : this->delta_clock_c0)
{
delta_clock_c0_m.push_back(static_cast<float>(d) * HAS_MSG_DELTA_CLOCK_SCALE_FACTOR);
}
return delta_clock_c0_m;
}
std::vector<float> Galileo_HAS_data::get_delta_clock_c0_m(uint8_t nsys) const
{
std::vector<float> delta_clock_c0_m = this->get_delta_clock_c0_m();
if (nsys >= this->Nsys)
{
return delta_clock_c0_m;
}
std::vector<float> delta_clock_c0_m_aux;
uint8_t num_sats_in_this_system = this->get_num_satellites()[nsys];
delta_clock_c0_m_aux.reserve(num_sats_in_this_system);
size_t index = 0;
for (uint8_t sys = 0; sys <= nsys; sys++)
{
uint8_t num_sats_in_system = this->get_num_satellites()[sys];
if (sys != nsys)
{
index += num_sats_in_system;
}
else
{
for (uint8_t sat = 0; sat < num_sats_in_system; sat++)
{
delta_clock_c0_m_aux.push_back(delta_clock_c0_m[index]);
index++;
}
}
}
return delta_clock_c0_m_aux;
}
std::vector<std::vector<float>> Galileo_HAS_data::get_code_bias_m() const
{
std::vector<std::vector<float>> code_bias_m;
const size_t outer_size = this->code_bias.size();
if (outer_size == 0)
{
return code_bias_m;
}
const size_t inner_size = this->code_bias[0].size();
code_bias_m = std::vector<std::vector<float>>(outer_size, std::vector<float>(inner_size));
for (size_t i = 0; i < outer_size; i++)
{
for (size_t j = 0; j < inner_size; j++)
{
code_bias_m[i][j] = static_cast<float>(this->code_bias[i][j]) * HAS_MSG_CODE_BIAS_SCALE_FACTOR;
}
}
return code_bias_m;
}
std::vector<std::vector<float>> Galileo_HAS_data::get_phase_bias_cycle() const
{
std::vector<std::vector<float>> phase_bias_cycle;
const size_t outer_size = this->phase_bias.size();
if (outer_size == 0)
{
return phase_bias_cycle;
}
const size_t inner_size = this->phase_bias[0].size();
phase_bias_cycle = std::vector<std::vector<float>>(outer_size, std::vector<float>(inner_size));
for (size_t i = 0; i < outer_size; i++)
{
for (size_t j = 0; j < inner_size; j++)
{
phase_bias_cycle[i][j] = static_cast<float>(this->phase_bias[i][j]) * HAS_MSG_PHASE_BIAS_SCALE_FACTOR;
}
}
return phase_bias_cycle;
}
std::vector<uint8_t> Galileo_HAS_data::get_num_satellites() const
{
std::vector<uint8_t> num_satellites;
if (this->Nsys == 0)
{
return num_satellites;
}
num_satellites.reserve(this->Nsys);
for (uint8_t i = 0; i < this->Nsys; i++)
{
std::stringstream ss;
std::bitset<HAS_MSG_SATELLITE_MASK_LENGTH> bits(this->satellite_mask[i]);
ss << bits.to_string();
std::string sat_mask = ss.str();
num_satellites.push_back(static_cast<int8_t>(std::count(sat_mask.begin(), sat_mask.end(), '1')));
}
return num_satellites;
}
std::vector<uint16_t> Galileo_HAS_data::get_gnss_iod(uint8_t nsys) const
{
std::vector<uint16_t> gnss_iod_v = this->gnss_iod;
if (nsys >= this->Nsys)
{
return gnss_iod_v;
}
std::vector<uint16_t> gnss_iod_aux;
uint8_t num_sats_in_this_system = this->get_num_satellites()[nsys];
gnss_iod_aux.reserve(num_sats_in_this_system);
size_t index = 0;
for (uint8_t sys = 0; sys <= nsys; sys++)
{
uint8_t num_sats_in_system = this->get_num_satellites()[sys];
if (sys != nsys)
{
index += num_sats_in_system;
}
else
{
for (uint8_t sat = 0; sat < num_sats_in_system; sat++)
{
gnss_iod_aux.push_back(gnss_iod_v[index]);
index++;
}
}
}
return gnss_iod_aux;
}
uint16_t Galileo_HAS_data::get_nsat() const
{
std::vector<uint8_t> num_satellites = this->get_num_satellites();
uint16_t total_number_of_sats = std::accumulate(num_satellites.begin(), num_satellites.end(), 0);
return total_number_of_sats;
}
std::vector<std::string> Galileo_HAS_data::get_systems_string() const
{
const size_t nsys = this->gnss_id_mask.size();
std::vector<std::string> systems(nsys, std::string(""));
for (uint8_t i = 0; i < this->Nsys; i++)
{
std::string system("Reserved");
if (this->gnss_id_mask[i] == 0)
{
system = "GPS";
}
if (this->gnss_id_mask[i] == 2)
{
system = "Galileo";
}
systems[i] = system;
}
return systems;
}
uint16_t Galileo_HAS_data::get_nsatprime() const
{
auto Nsatprime = static_cast<uint16_t>(this->delta_clock_c0_clock_subset.size());
return Nsatprime;
}