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gnss-sdr/src/tests/gnss_block/galileo_e1_dll_pll_veml_tra...

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/*!
* \file galileo_e1_dll_pll_veml_tracking_test.cc
* \brief This class implements a tracking test for GalileoE1DllPllVemlTracking
* class based on some input parameters.
* \author Luis Esteve, 2012. luis(at)epsilon-formacion.com
*
*
* -------------------------------------------------------------------------
*
* Copyright (C) 2012-2015 (see AUTHORS file for a list of contributors)
*
* GNSS-SDR is a software defined Global Navigation
* Satellite Systems receiver
*
* This file is part of GNSS-SDR.
*
* GNSS-SDR is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GNSS-SDR is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
*
* -------------------------------------------------------------------------
*/
#include <ctime>
#include <iostream>
#include <gnuradio/top_block.h>
#include <gnuradio/blocks/file_source.h>
#include <gnuradio/analog/sig_source_waveform.h>
#include <gnuradio/analog/sig_source_c.h>
#include <gnuradio/msg_queue.h>
#include <gnuradio/blocks/null_sink.h>
#include <gnuradio/blocks/skiphead.h>
#include <gtest/gtest.h>
#include "gnss_block_factory.h"
#include "gnss_block_interface.h"
#include "in_memory_configuration.h"
#include "gnss_sdr_valve.h"
#include "gnss_synchro.h"
#include "galileo_e1_dll_pll_veml_tracking.h"
class GalileoE1DllPllVemlTrackingInternalTest: public ::testing::Test
{
protected:
GalileoE1DllPllVemlTrackingInternalTest()
{
factory = std::make_shared<GNSSBlockFactory>();
config = std::make_shared<InMemoryConfiguration>();
item_size = sizeof(gr_complex);
stop = false;
message = 0;
gnss_synchro = Gnss_Synchro();
}
~GalileoE1DllPllVemlTrackingInternalTest()
{}
void init();
gr::msg_queue::sptr queue;
gr::top_block_sptr top_block;
std::shared_ptr<GNSSBlockFactory> factory;
std::shared_ptr<InMemoryConfiguration> config;
Gnss_Synchro gnss_synchro;
size_t item_size;
bool stop;
int message;
};
void GalileoE1DllPllVemlTrackingInternalTest::init()
{
gnss_synchro.Channel_ID = 0;
gnss_synchro.System = 'E';
std::string signal = "1B";
signal.copy(gnss_synchro.Signal, 2, 0);
gnss_synchro.PRN = 11;
config->set_property("GNSS-SDR.internal_fs_hz", "8000000");
config->set_property("Tracking_Galileo.item_type", "gr_complex");
config->set_property("Tracking_Galileo.dump", "true");
config->set_property("Tracking_Galileo.dump_filename", "../data/veml_tracking_ch_");
config->set_property("Tracking_Galileo.implementation", "Galileo_E1_DLL_PLL_VEML_Tracking");
config->set_property("Tracking_Galileo.early_late_space_chips", "0.15");
config->set_property("Tracking_Galileo.very_early_late_space_chips", "0.6");
config->set_property("Tracking_Galileo.pll_bw_hz", "30.0");
config->set_property("Tracking_Galileo.dll_bw_hz", "2.0");
}
TEST_F(GalileoE1DllPllVemlTrackingInternalTest, Instantiate)
{
init();
auto tracking = factory->GetBlock(config, "Tracking", "Galileo_E1_DLL_PLL_VEML_Tracking", 1, 1, queue);
EXPECT_STREQ("Galileo_E1_DLL_PLL_VEML_Tracking", tracking->implementation().c_str());
}
TEST_F(GalileoE1DllPllVemlTrackingInternalTest, ConnectAndRun)
{
int fs_in = 8000000;
int nsamples = 40000000;
struct timeval tv;
long long int begin = 0;
long long int end = 0;
init();
queue = gr::msg_queue::make(0);
top_block = gr::make_top_block("Tracking test");
// Example using smart pointers and the block factory
std::shared_ptr<GNSSBlockInterface> trk_ = factory->GetBlock(config, "Tracking", "Galileo_E1_DLL_PLL_VEML_Tracking", 1, 1, queue);
std::shared_ptr<GalileoE1DllPllVemlTracking> tracking = std::dynamic_pointer_cast<GalileoE1DllPllVemlTracking>(trk_);
ASSERT_NO_THROW( {
tracking->set_channel(gnss_synchro.Channel_ID);
}) << "Failure setting channel." << std::endl;
ASSERT_NO_THROW( {
tracking->set_gnss_synchro(&gnss_synchro);
}) << "Failure setting gnss_synchro." << std::endl;
ASSERT_NO_THROW( {
tracking->connect(top_block);
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));
boost::shared_ptr<gr::block> valve = gnss_sdr_make_valve(sizeof(gr_complex), nsamples, queue);
gr::blocks::null_sink::sptr sink = gr::blocks::null_sink::make(sizeof(Gnss_Synchro));
top_block->connect(source, 0, valve, 0);
top_block->connect(valve, 0, tracking->get_left_block(), 0);
top_block->connect(tracking->get_right_block(), 0, sink, 0);
}) << "Failure connecting the blocks of tracking test." << std::endl;
tracking->start_tracking();
EXPECT_NO_THROW( {
gettimeofday(&tv, NULL);
begin = tv.tv_sec *1000000 + tv.tv_usec;
top_block->run(); //Start threads and wait
gettimeofday(&tv, NULL);
end = tv.tv_sec *1000000 + tv.tv_usec;
}) << "Failure running the top_block." << std::endl;
std::cout << "Processed " << nsamples << " samples in " << (end - begin) << " microseconds" << std::endl;
}
TEST_F(GalileoE1DllPllVemlTrackingInternalTest, ValidationOfResults)
{
struct timeval tv;
long long int begin = 0;
long long int end = 0;
// int num_samples = 40000000; // 4 Msps
// unsigned int skiphead_sps = 24000000; // 4 Msps
int num_samples = 80000000; // 8 Msps
unsigned int skiphead_sps = 8000000; // 8 Msps
init();
queue = gr::msg_queue::make(0);
top_block = gr::make_top_block("Tracking test");
// Example using smart pointers and the block factory
std::shared_ptr<GNSSBlockInterface> trk_ = factory->GetBlock(config, "Tracking", "Galileo_E1_DLL_PLL_VEML_Tracking", 1, 1, queue);
std::shared_ptr<TrackingInterface> tracking = std::dynamic_pointer_cast<TrackingInterface>(trk_);
// gnss_synchro.Acq_delay_samples = 1753; // 4 Msps
// gnss_synchro.Acq_doppler_hz = -9500; // 4 Msps
gnss_synchro.Acq_delay_samples = 17256; // 8 Msps
gnss_synchro.Acq_doppler_hz = -8750; // 8 Msps
gnss_synchro.Acq_samplestamp_samples = 0;
ASSERT_NO_THROW( {
tracking->set_channel(gnss_synchro.Channel_ID);
}) << "Failure setting channel." << std::endl;
ASSERT_NO_THROW( {
tracking->set_gnss_synchro(&gnss_synchro);
}) << "Failure setting gnss_synchro." << std::endl;
ASSERT_NO_THROW( {
tracking->connect(top_block);
}) << "Failure connecting tracking to the top_block." << std::endl;
ASSERT_NO_THROW( {
std::string path = std::string(TEST_PATH);
std::string file = path + "signal_samples/GSoC_CTTC_capture_2012_07_26_4Msps_4ms.dat";
const char * file_name = file.c_str();
gr::blocks::file_source::sptr file_source = gr::blocks::file_source::make(sizeof(gr_complex),file_name,false);
gr::blocks::skiphead::sptr skip_head = gr::blocks::skiphead::make(sizeof(gr_complex), skiphead_sps);
boost::shared_ptr<gr::block> valve = gnss_sdr_make_valve(sizeof(gr_complex), num_samples, queue);
gr::blocks::null_sink::sptr sink = gr::blocks::null_sink::make(sizeof(Gnss_Synchro));
top_block->connect(file_source, 0, skip_head, 0);
top_block->connect(skip_head, 0, valve, 0);
top_block->connect(valve, 0, tracking->get_left_block(), 0);
top_block->connect(tracking->get_right_block(), 0, sink, 0);
}) << "Failure connecting the blocks of tracking test." << std::endl;
tracking->start_tracking();
EXPECT_NO_THROW( {
gettimeofday(&tv, NULL);
begin = tv.tv_sec *1000000 + tv.tv_usec;
top_block->run(); // Start threads and wait
gettimeofday(&tv, NULL);
end = tv.tv_sec *1000000 + tv.tv_usec;
}) << "Failure running the top_block." << std::endl;
std::cout << "Tracked " << num_samples << " samples in " << (end - begin) << " microseconds" << std::endl;
}
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