mirror of https://github.com/gnss-sdr/gnss-sdr
220 lines
7.2 KiB
C++
220 lines
7.2 KiB
C++
/*!
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* \file gps_l2_m_dll_pll_tracking_test.cc
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* \brief This class implements a tracking test for Galileo_E5a_DLL_PLL_Tracking
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* implementation based on some input parameters.
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* \author Javier Arribas, 2015. jarribas(at)cttc.es
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*
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*
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2012-2019 (see AUTHORS file for a list of contributors)
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*
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* GNSS-SDR is a software defined Global Navigation
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* Satellite Systems receiver
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*
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* This file is part of GNSS-SDR.
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*
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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 "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 "gps_l2_m_dll_pll_tracking.h"
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#include "in_memory_configuration.h"
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#include "tracking_interface.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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#include <utility>
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#if HAS_GENERIC_LAMBDA
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#else
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#include <boost/bind/bind.hpp>
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#endif
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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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#if GNURADIO_USES_STD_POINTERS
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#include <memory>
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#else
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#include <boost/shared_ptr.hpp>
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#endif
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// ######## GNURADIO BLOCK MESSAGE RECEVER #########
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class GpsL2MDllPllTrackingTest_msg_rx;
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#if GNURADIO_USES_STD_POINTERS
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using GpsL2MDllPllTrackingTest_msg_rx_sptr = std::shared_ptr<GpsL2MDllPllTrackingTest_msg_rx>;
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#else
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using GpsL2MDllPllTrackingTest_msg_rx_sptr = boost::shared_ptr<GpsL2MDllPllTrackingTest_msg_rx>;
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#endif
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GpsL2MDllPllTrackingTest_msg_rx_sptr GpsL2MDllPllTrackingTest_msg_rx_make();
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class GpsL2MDllPllTrackingTest_msg_rx : public gr::block
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{
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private:
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friend GpsL2MDllPllTrackingTest_msg_rx_sptr GpsL2MDllPllTrackingTest_msg_rx_make();
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void msg_handler_events(pmt::pmt_t msg);
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GpsL2MDllPllTrackingTest_msg_rx();
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public:
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int rx_message;
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~GpsL2MDllPllTrackingTest_msg_rx(); //!< Default destructor
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};
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GpsL2MDllPllTrackingTest_msg_rx_sptr GpsL2MDllPllTrackingTest_msg_rx_make()
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{
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return GpsL2MDllPllTrackingTest_msg_rx_sptr(new GpsL2MDllPllTrackingTest_msg_rx());
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}
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void GpsL2MDllPllTrackingTest_msg_rx::msg_handler_events(pmt::pmt_t msg)
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{
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try
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{
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int64_t message = pmt::to_long(std::move(msg));
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rx_message = message;
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}
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catch (boost::bad_any_cast& e)
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{
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LOG(WARNING) << "msg_handler_telemetry Bad any cast!";
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rx_message = 0;
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}
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}
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GpsL2MDllPllTrackingTest_msg_rx::GpsL2MDllPllTrackingTest_msg_rx() : gr::block("GpsL2MDllPllTrackingTest_msg_rx", gr::io_signature::make(0, 0, 0), gr::io_signature::make(0, 0, 0))
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{
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this->message_port_register_in(pmt::mp("events"));
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this->set_msg_handler(pmt::mp("events"),
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#if HAS_GENERIC_LAMBDA
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[this](auto&& PH1) { msg_handler_events(PH1); });
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#else
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#if BOOST_173_OR_GREATER
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boost::bind(&GpsL2MDllPllTrackingTest_msg_rx::msg_handler_events, this, boost::placeholders::_1));
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#else
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boost::bind(&GpsL2MDllPllTrackingTest_msg_rx::msg_handler_events, this, _1));
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#endif
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#endif
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rx_message = 0;
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}
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GpsL2MDllPllTrackingTest_msg_rx::~GpsL2MDllPllTrackingTest_msg_rx() = default;
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// ###########################################################
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class GpsL2MDllPllTrackingTest : public ::testing::Test
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{
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protected:
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GpsL2MDllPllTrackingTest()
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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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item_size = sizeof(gr_complex);
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gnss_synchro = Gnss_Synchro();
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}
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~GpsL2MDllPllTrackingTest() = default;
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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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};
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void GpsL2MDllPllTrackingTest::init()
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{
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gnss_synchro.Channel_ID = 0;
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gnss_synchro.System = 'G';
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std::string signal = "2S";
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signal.copy(gnss_synchro.Signal, 2, 0);
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gnss_synchro.PRN = 7;
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config->set_property("GNSS-SDR.internal_fs_sps", "5000000");
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config->set_property("Tracking_2S.item_type", "gr_complex");
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config->set_property("Tracking_2S.dump", "false");
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config->set_property("Tracking_2S.dump_filename", "../data/L2m_tracking_ch_");
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config->set_property("Tracking_2S.implementation", "GPS_L2_M_DLL_PLL_Tracking");
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config->set_property("Tracking_2S.early_late_space_chips", "0.5");
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config->set_property("Tracking_2S.order", "2");
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config->set_property("Tracking_2S.pll_bw_hz", "2");
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config->set_property("Tracking_2S.dll_bw_hz", "0.5");
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}
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TEST_F(GpsL2MDllPllTrackingTest, ValidationOfResults)
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{
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std::chrono::time_point<std::chrono::system_clock> start, end;
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std::chrono::duration<double> elapsed_seconds(0.0);
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int fs_in = 5000000;
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int nsamples = fs_in * 9;
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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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std::shared_ptr<TrackingInterface> tracking = std::make_shared<GpsL2MDllPllTracking>(config.get(), "Tracking_2S", 1, 1);
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auto msg_rx = GpsL2MDllPllTrackingTest_msg_rx_make();
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gnss_synchro.Acq_delay_samples = 1;
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gnss_synchro.Acq_doppler_hz = 1200;
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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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// 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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std::string path = std::string(TEST_PATH);
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std::string file = path + "signal_samples/gps_l2c_m_prn7_5msps.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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auto valve = gnss_sdr_make_valve(sizeof(gr_complex), nsamples, queue);
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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, 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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top_block->msg_connect(tracking->get_right_block(), pmt::mp("events"), msg_rx, pmt::mp("events"));
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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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// TODO: Verify tracking results
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std::cout << "Tracked " << nsamples << " samples in " << elapsed_seconds.count() * 1e6 << " microseconds" << std::endl;
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}
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