mirror of
https://github.com/gnss-sdr/gnss-sdr
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121 lines
5.4 KiB
C++
121 lines
5.4 KiB
C++
/*!
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* \file mmse_resampler_test.cc
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* \brief Executes a resampler based on some input parameters.
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* \author Carles Fernandez-Prades 2018 cfernandez (at) cttc.cat
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*
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*
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2010-2018 (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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* GNSS-SDR is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GNSS-SDR is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNSS-SDR. If not, see <https://www.gnu.org/licenses/>.
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*
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* -------------------------------------------------------------------------
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*/
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#include <chrono>
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#include <gnuradio/top_block.h>
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#include <gnuradio/analog/sig_source_waveform.h>
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#include <gnuradio/analog/sig_source_c.h>
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#include <gnuradio/msg_queue.h>
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#include <gnuradio/blocks/null_sink.h>
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#include "gnss_sdr_valve.h"
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#include "mmse_resampler_conditioner.h"
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TEST(MmseResamplerTest, InstantiationAndRunTestWarning)
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{
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double fs_in = 8000000.0; // Input sampling frequency in Hz
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double fs_out = 4000000.0; // sampling freuqncy of the resampled signal in Hz
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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);
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int nsamples = 1000000; //Number of samples to be computed
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gr::msg_queue::sptr queue = gr::msg_queue::make(0);
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gr::top_block_sptr top_block = gr::make_top_block("mmse_resampler_conditioner_cc_test");
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boost::shared_ptr<gr::analog::sig_source_c> source = gr::analog::sig_source_c::make(fs_in, gr::analog::GR_SIN_WAVE, 1000.0, 1.0, gr_complex(0.0));
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boost::shared_ptr<gr::block> valve = gnss_sdr_make_valve(sizeof(gr_complex), nsamples, queue);
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std::shared_ptr<InMemoryConfiguration> config;
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config = std::make_shared<InMemoryConfiguration>();
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config->set_property("Resampler.sample_freq_in", std::to_string(fs_in));
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config->set_property("Resampler.sample_freq_out", std::to_string(fs_out));
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std::shared_ptr<MmseResamplerConditioner> resampler = std::make_shared<MmseResamplerConditioner>(config.get(), "Resampler", 1, 1);
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gr::blocks::null_sink::sptr sink = gr::blocks::null_sink::make(sizeof(gr_complex));
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EXPECT_NO_THROW({
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resampler->connect(top_block);
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top_block->connect(source, 0, valve, 0);
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top_block->connect(valve, 0, resampler->get_left_block(), 0);
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top_block->connect(resampler->get_right_block(), 0, sink, 0);
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}) << "Connection failure of direct_resampler_conditioner.";
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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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top_block->stop();
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}) << "Failure running direct_resampler_conditioner.";
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std::cout << "Resampled " << nsamples << " samples in " << elapsed_seconds.count() * 1e6 << " microseconds" << std::endl;
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}
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TEST(MmseResamplerTest, InstantiationAndRunTest2)
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{
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double fs_in = 8000000.0; // Input sampling frequency in Hz
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double fs_out = 4000000.0; // sampling freuqncy of the resampled signal in Hz
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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);
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int nsamples = 1000000; //Number of samples to be computed
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gr::msg_queue::sptr queue = gr::msg_queue::make(0);
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gr::top_block_sptr top_block = gr::make_top_block("mmse_resampler_conditioner_cc_test");
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boost::shared_ptr<gr::analog::sig_source_c> source = gr::analog::sig_source_c::make(fs_in, gr::analog::GR_SIN_WAVE, 1000.0, 1.0, gr_complex(0.0));
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boost::shared_ptr<gr::block> valve = gnss_sdr_make_valve(sizeof(gr_complex), nsamples, queue);
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std::shared_ptr<InMemoryConfiguration> config;
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config = std::make_shared<InMemoryConfiguration>();
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config->set_property("Resampler.sample_freq_in", std::to_string(fs_in));
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config->set_property("GNSS-SDR.internal_fs_sps", std::to_string(fs_out));
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std::shared_ptr<MmseResamplerConditioner> resampler = std::make_shared<MmseResamplerConditioner>(config.get(), "Resampler", 1, 1);
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gr::blocks::null_sink::sptr sink = gr::blocks::null_sink::make(sizeof(gr_complex));
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EXPECT_NO_THROW({
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resampler->connect(top_block);
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top_block->connect(source, 0, valve, 0);
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top_block->connect(valve, 0, resampler->get_left_block(), 0);
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top_block->connect(resampler->get_right_block(), 0, sink, 0);
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}) << "Connection failure of direct_resampler_conditioner.";
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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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top_block->stop();
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}) << "Failure running direct_resampler_conditioner.";
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std::cout << "Resampled " << nsamples << " samples in " << elapsed_seconds.count() * 1e6 << " microseconds" << std::endl;
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}
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