mirror of https://github.com/gnss-sdr/gnss-sdr
197 lines
7.5 KiB
C++
197 lines
7.5 KiB
C++
/*!
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* \file galileo_e1_dll_pll_veml_tracking_test.cc
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* \brief This class implements a tracking test for GalileoE1DllPllVemlTracking
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* class based on some input parameters.
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* \author Luis Esteve, 2012. luis(at)epsilon-formacion.com
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*
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*
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* -----------------------------------------------------------------------------
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*
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* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
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* This file is part of GNSS-SDR.
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*
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* Copyright (C) 2012-2020 (see AUTHORS file for a list of contributors)
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* SPDX-License-Identifier: GPL-3.0-or-later
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*
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* -----------------------------------------------------------------------------
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*/
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#include "concurrent_queue.h"
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#include "galileo_e1_dll_pll_veml_tracking.h"
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#include "gnss_block_factory.h"
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#include "gnss_block_interface.h"
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#include "gnss_sdr_valve.h"
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#include "gnss_synchro.h"
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#include "in_memory_configuration.h"
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#include <gnuradio/analog/sig_source_waveform.h>
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#include <gnuradio/blocks/file_source.h>
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#include <gnuradio/blocks/null_sink.h>
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#include <gnuradio/blocks/skiphead.h>
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#include <gnuradio/top_block.h>
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#include <gtest/gtest.h>
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#include <chrono>
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#ifdef GR_GREATER_38
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#include <gnuradio/analog/sig_source.h>
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#else
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#include <gnuradio/analog/sig_source_c.h>
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#endif
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class GalileoE1DllPllVemlTrackingInternalTest : public ::testing::Test
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{
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protected:
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GalileoE1DllPllVemlTrackingInternalTest()
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: item_size(sizeof(gr_complex))
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{
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factory = std::make_shared<GNSSBlockFactory>();
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config = std::make_shared<InMemoryConfiguration>();
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}
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void init();
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std::shared_ptr<Concurrent_Queue<pmt::pmt_t>> queue;
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gr::top_block_sptr top_block;
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std::shared_ptr<GNSSBlockFactory> factory;
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std::shared_ptr<InMemoryConfiguration> config;
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Gnss_Synchro gnss_synchro{};
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size_t item_size;
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int message{0};
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bool stop{false};
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};
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void GalileoE1DllPllVemlTrackingInternalTest::init()
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{
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gnss_synchro.Channel_ID = 0;
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gnss_synchro.System = 'E';
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std::string signal = "1B";
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signal.copy(gnss_synchro.Signal, 2, 0);
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gnss_synchro.PRN = 11;
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config->set_property("GNSS-SDR.internal_fs_sps", "8000000");
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config->set_property("Tracking_1B.implementation", "Galileo_E1_DLL_PLL_VEML_Tracking");
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config->set_property("Tracking_1B.item_type", "gr_complex");
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config->set_property("Tracking_1B.dump", "false");
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config->set_property("Tracking_1B.dump_filename", "../data/veml_tracking_ch_");
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config->set_property("Tracking_1B.early_late_space_chips", "0.15");
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config->set_property("Tracking_1B.very_early_late_space_chips", "0.6");
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config->set_property("Tracking_1B.pll_bw_hz", "30.0");
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config->set_property("Tracking_1B.dll_bw_hz", "2.0");
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}
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TEST_F(GalileoE1DllPllVemlTrackingInternalTest, Instantiate)
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{
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init();
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auto tracking = factory->GetBlock(config.get(), "Tracking_1B", 1, 1);
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EXPECT_STREQ("Galileo_E1_DLL_PLL_VEML_Tracking", tracking->implementation().c_str());
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}
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TEST_F(GalileoE1DllPllVemlTrackingInternalTest, ConnectAndRun)
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{
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int fs_in = 8000000;
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int nsamples = 40000000;
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std::chrono::time_point<std::chrono::system_clock> start;
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std::chrono::time_point<std::chrono::system_clock> end;
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std::chrono::duration<double> elapsed_seconds(0);
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init();
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queue = std::make_shared<Concurrent_Queue<pmt::pmt_t>>();
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top_block = gr::make_top_block("Tracking test");
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// Example using smart pointers and the block factory
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std::shared_ptr<GNSSBlockInterface> trk_ = factory->GetBlock(config.get(), "Tracking_1B", 1, 1);
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std::shared_ptr<GalileoE1DllPllVemlTracking> tracking = std::dynamic_pointer_cast<GalileoE1DllPllVemlTracking>(trk_);
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ASSERT_NO_THROW({
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tracking->set_channel(gnss_synchro.Channel_ID);
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}) << "Failure setting channel.";
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ASSERT_NO_THROW({
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tracking->set_gnss_synchro(&gnss_synchro);
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}) << "Failure setting gnss_synchro.";
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ASSERT_NO_THROW({
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tracking->connect(top_block);
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gr::analog::sig_source_c::sptr source = gr::analog::sig_source_c::make(fs_in, gr::analog::GR_SIN_WAVE, 1000, 1, gr_complex(0));
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auto valve = gnss_sdr_make_valve(sizeof(gr_complex), nsamples, queue.get());
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gr::blocks::null_sink::sptr sink = gr::blocks::null_sink::make(sizeof(Gnss_Synchro));
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top_block->connect(source, 0, valve, 0);
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top_block->connect(valve, 0, tracking->get_left_block(), 0);
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top_block->connect(tracking->get_right_block(), 0, sink, 0);
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}) << "Failure connecting the blocks of tracking test.";
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tracking->start_tracking();
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EXPECT_NO_THROW({
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start = std::chrono::system_clock::now();
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top_block->run(); // Start threads and wait
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end = std::chrono::system_clock::now();
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elapsed_seconds = end - start;
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}) << "Failure running the top_block.";
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std::cout << "Processed " << nsamples << " samples in " << elapsed_seconds.count() * 1e6 << " microseconds\n";
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}
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TEST_F(GalileoE1DllPllVemlTrackingInternalTest, ValidationOfResults)
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{
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std::chrono::time_point<std::chrono::system_clock> start;
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std::chrono::time_point<std::chrono::system_clock> end;
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std::chrono::duration<double> elapsed_seconds(0);
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// int num_samples = 40000000; // 4 Msps
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// unsigned int skiphead_sps = 24000000; // 4 Msps
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int num_samples = 80000000; // 8 Msps
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unsigned int skiphead_sps = 8000000; // 8 Msps
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init();
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queue = std::make_shared<Concurrent_Queue<pmt::pmt_t>>();
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top_block = gr::make_top_block("Tracking test");
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// Example using smart pointers and the block factory
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std::shared_ptr<GNSSBlockInterface> trk_ = factory->GetBlock(config.get(), "Tracking_1B", 1, 1);
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std::shared_ptr<TrackingInterface> tracking = std::dynamic_pointer_cast<TrackingInterface>(trk_);
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// gnss_synchro.Acq_delay_samples = 1753; // 4 Msps
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// gnss_synchro.Acq_doppler_hz = -9500; // 4 Msps
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gnss_synchro.Acq_delay_samples = 17256; // 8 Msps
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gnss_synchro.Acq_doppler_hz = -8750; // 8 Msps
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gnss_synchro.Acq_samplestamp_samples = 0;
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ASSERT_NO_THROW({
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tracking->set_channel(gnss_synchro.Channel_ID);
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}) << "Failure setting channel.";
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ASSERT_NO_THROW({
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tracking->set_gnss_synchro(&gnss_synchro);
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}) << "Failure setting gnss_synchro.";
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ASSERT_NO_THROW({
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tracking->connect(top_block);
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}) << "Failure connecting tracking to the top_block.";
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ASSERT_NO_THROW({
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std::string path = std::string(TEST_PATH);
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std::string file = path + "signal_samples/GSoC_CTTC_capture_2012_07_26_4Msps_4ms.dat";
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const char* file_name = file.c_str();
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gr::blocks::file_source::sptr file_source = gr::blocks::file_source::make(sizeof(gr_complex), file_name, false);
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gr::blocks::skiphead::sptr skip_head = gr::blocks::skiphead::make(sizeof(gr_complex), skiphead_sps);
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auto valve = gnss_sdr_make_valve(sizeof(gr_complex), num_samples, queue.get());
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gr::blocks::null_sink::sptr sink = gr::blocks::null_sink::make(sizeof(Gnss_Synchro));
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top_block->connect(file_source, 0, skip_head, 0);
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top_block->connect(skip_head, 0, valve, 0);
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top_block->connect(valve, 0, tracking->get_left_block(), 0);
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top_block->connect(tracking->get_right_block(), 0, sink, 0);
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}) << "Failure connecting the blocks of tracking test.";
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tracking->start_tracking();
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EXPECT_NO_THROW({
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start = std::chrono::system_clock::now();
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top_block->run(); // Start threads and wait
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end = std::chrono::system_clock::now();
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elapsed_seconds = end - start;
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}) << "Failure running the top_block.";
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std::cout << "Tracked " << num_samples << " samples in " << elapsed_seconds.count() * 1e6 << " microseconds\n";
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}
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