gnss-sdr/src/algorithms/tracking/libs/dll_pll_conf.cc

152 lines
6.9 KiB
C++

/*!
* \file dll_pll_conf.cc
* \brief Class that contains all the configuration parameters for generic
* tracking block based on a DLL and a PLL.
* \author Javier Arribas, 2018. jarribas(at)cttc.es
*
* -----------------------------------------------------------------------------
*
* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
* This file is part of GNSS-SDR.
*
* Copyright (C) 2010-2020 (see AUTHORS file for a list of contributors)
* SPDX-License-Identifier: GPL-3.0-or-later
*
* -----------------------------------------------------------------------------
*/
#include "dll_pll_conf.h"
#include "gnss_sdr_flags.h"
#include "item_type_helpers.h"
#if USE_GLOG_AND_GFLAGS
#include <glog/logging.h>
#else
#include <absl/log/log.h>
#endif
#if USE_GLOG_AND_GFLAGS
Dll_Pll_Conf::Dll_Pll_Conf() : carrier_lock_th(FLAGS_carrier_lock_th),
cn0_samples(FLAGS_cn0_samples),
cn0_min(FLAGS_cn0_min),
max_code_lock_fail(FLAGS_max_lock_fail),
max_carrier_lock_fail(FLAGS_max_carrier_lock_fail)
#else
Dll_Pll_Conf::Dll_Pll_Conf() : carrier_lock_th(absl::GetFlag(FLAGS_carrier_lock_th)),
cn0_samples(absl::GetFlag(FLAGS_cn0_samples)),
cn0_min(absl::GetFlag(FLAGS_cn0_min)),
max_code_lock_fail(absl::GetFlag(FLAGS_max_lock_fail)),
max_carrier_lock_fail(absl::GetFlag(FLAGS_max_carrier_lock_fail))
#endif
{
signal[0] = '1';
signal[1] = 'C';
signal[2] = '\0';
}
void Dll_Pll_Conf::SetFromConfiguration(const ConfigurationInterface *configuration,
const std::string &role)
{
item_type = configuration->property(role + ".item_type", item_type);
if (!item_type_valid(item_type))
{
LOG(WARNING) << "Unknown item type: " + item_type << ". Set to gr_complex";
item_type = "gr_complex";
}
double fs_in_deprecated = configuration->property("GNSS-SDR.internal_fs_hz", fs_in);
fs_in = configuration->property("GNSS-SDR.internal_fs_sps", fs_in_deprecated);
high_dyn = configuration->property(role + ".high_dyn", high_dyn);
dump = configuration->property(role + ".dump", dump);
dump_filename = configuration->property(role + ".dump_filename", dump_filename);
dump_mat = configuration->property(role + ".dump_mat", dump_mat);
pll_bw_hz = configuration->property(role + ".pll_bw_hz", pll_bw_hz);
#if USE_GLOG_AND_GFLAGS
if (FLAGS_pll_bw_hz != 0.0)
{
pll_bw_hz = static_cast<float>(FLAGS_pll_bw_hz);
}
#else
if (absl::GetFlag(FLAGS_pll_bw_hz) != 0.0)
{
pll_bw_hz = static_cast<float>(absl::GetFlag(FLAGS_pll_bw_hz));
}
#endif
pll_bw_narrow_hz = configuration->property(role + ".pll_bw_narrow_hz", pll_bw_narrow_hz);
dll_bw_narrow_hz = configuration->property(role + ".dll_bw_narrow_hz", dll_bw_narrow_hz);
dll_bw_hz = configuration->property(role + ".dll_bw_hz", dll_bw_hz);
#if USE_GLOG_AND_GFLAGS
if (FLAGS_dll_bw_hz != 0.0)
{
dll_bw_hz = static_cast<float>(FLAGS_dll_bw_hz);
}
#else
if (absl::GetFlag(FLAGS_dll_bw_hz) != 0.0)
{
dll_bw_hz = static_cast<float>(absl::GetFlag(FLAGS_dll_bw_hz));
}
#endif
dll_filter_order = configuration->property(role + ".dll_filter_order", dll_filter_order);
pll_filter_order = configuration->property(role + ".pll_filter_order", pll_filter_order);
if (dll_filter_order < 1)
{
LOG(WARNING) << "dll_filter_order parameter must be 1, 2 or 3. Set to 1.";
dll_filter_order = 1;
}
if (dll_filter_order > 3)
{
LOG(WARNING) << "dll_filter_order parameter must be 1, 2 or 3. Set to 3.";
dll_filter_order = 3;
}
if (pll_filter_order < 2)
{
LOG(WARNING) << "pll_filter_order parameter must be 2 or 3. Set to 2.";
pll_filter_order = 2;
}
if (pll_filter_order > 3)
{
LOG(WARNING) << "pll_filter_order parameter must be 2 or 3. Set to 3.";
pll_filter_order = 3;
}
if (pll_filter_order == 2)
{
fll_filter_order = 1;
}
if (pll_filter_order == 3)
{
fll_filter_order = 2;
}
enable_fll_pull_in = configuration->property(role + ".enable_fll_pull_in", enable_fll_pull_in);
enable_fll_steady_state = configuration->property(role + ".enable_fll_steady_state", enable_fll_steady_state);
fll_bw_hz = configuration->property(role + ".fll_bw_hz", fll_bw_hz);
pull_in_time_s = configuration->property(role + ".pull_in_time_s", pull_in_time_s);
bit_synchronization_time_limit_s = configuration->property(role + ".bit_synchronization_time_limit_s", bit_synchronization_time_limit_s);
early_late_space_chips = configuration->property(role + ".early_late_space_chips", early_late_space_chips);
early_late_space_narrow_chips = configuration->property(role + ".early_late_space_narrow_chips", early_late_space_narrow_chips);
very_early_late_space_chips = configuration->property(role + ".very_early_late_space_chips", very_early_late_space_chips);
very_early_late_space_narrow_chips = configuration->property(role + ".very_early_late_space_narrow_chips", very_early_late_space_narrow_chips);
extend_correlation_symbols = configuration->property(role + ".extend_correlation_symbols", extend_correlation_symbols);
track_pilot = configuration->property(role + ".track_pilot", track_pilot);
cn0_samples = configuration->property(role + ".cn0_samples", cn0_samples);
cn0_min = configuration->property(role + ".cn0_min", cn0_min);
max_code_lock_fail = configuration->property(role + ".max_lock_fail", max_code_lock_fail);
max_carrier_lock_fail = configuration->property(role + ".max_carrier_lock_fail", max_carrier_lock_fail);
carrier_lock_th = configuration->property(role + ".carrier_lock_th", carrier_lock_th);
carrier_aiding = configuration->property(role + ".carrier_aiding", carrier_aiding);
// tracking lock tests smoother parameters
cn0_smoother_samples = configuration->property(role + ".cn0_smoother_samples", cn0_smoother_samples);
cn0_smoother_alpha = configuration->property(role + ".cn0_smoother_alpha", cn0_smoother_alpha);
smoother_length = configuration->property(role + ".smoother_length", smoother_length);
if (smoother_length < 1)
{
smoother_length = 1;
LOG(WARNING) << "smoother_length must be bigger than 0. It has been set to 1";
}
carrier_lock_test_smoother_samples = configuration->property(role + ".carrier_lock_test_smoother_samples", carrier_lock_test_smoother_samples);
carrier_lock_test_smoother_alpha = configuration->property(role + ".carrier_lock_test_smoother_alpha", carrier_lock_test_smoother_alpha);
}