mirror of https://github.com/gnss-sdr/gnss-sdr
105 lines
3.2 KiB
C++
105 lines
3.2 KiB
C++
/*!
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* \file gn3s_signal_source.cc
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* \brief GN3S USB dongle GPS RF front-end signal sampler driver
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* \author Javier Arribas, jarribas(at)cttc.es
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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) 2010-2020 (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 "gn3s_signal_source.h"
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#include "configuration_interface.h"
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#include "gnss_sdr_string_literals.h"
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#include <glog/logging.h>
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#include <gnuradio/blocks/file_sink.h>
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#include <gn3s/gn3s_source_cc.h>
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using namespace std::string_literals;
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Gn3sSignalSource::Gn3sSignalSource(const ConfigurationInterface* configuration,
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std::string role,
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unsigned int in_stream,
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unsigned int out_stream,
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Concurrent_Queue<pmt::pmt_t>* queue)
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: SignalSourceBase(configuration, role, "Gn3s_Signal_Source"s), in_stream_(in_stream), out_stream_(out_stream)
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{
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const std::string default_item_type("short");
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const std::string default_dump_file("./data/gn3s_source.dat");
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item_type_ = configuration->property(role + ".item_type", default_item_type);
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dump_ = configuration->property(role + ".dump", false);
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dump_filename_ = configuration->property(role + ".dump_filename", default_dump_file);
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if (item_type_.compare("gr_complex") == 0)
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{
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item_size_ = sizeof(gr_complex);
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gn3s_source_ = gn3s_make_source_cc();
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DLOG(INFO) << "Item size " << item_size_;
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DLOG(INFO) << "gn3s_source(" << gn3s_source_->unique_id() << ")";
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}
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// else if (item_type_.compare("short") == 0)
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// {
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// item_size_ = sizeof(short);
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// resampler_ = direct_resampler_make_conditioner_ss(sample_freq_in_,
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// sample_freq_out_);
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// }
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else
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{
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LOG(WARNING) << item_type_
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<< " unrecognized item type for resampler";
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item_size_ = sizeof(short);
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}
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if (dump_)
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{
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DLOG(INFO) << "Dumping output into file " << dump_filename_;
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file_sink_ = gr::blocks::file_sink::make(item_size_, dump_filename_.c_str());
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}
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if (dump_)
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{
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DLOG(INFO) << "file_sink(" << file_sink_->unique_id() << ")";
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}
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}
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void Gn3sSignalSource::connect(gr::top_block_sptr top_block)
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{
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if (dump_)
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{
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top_block->connect(gn3s_source_, 0, file_sink_, 0);
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DLOG(INFO) << "connected gn3s_source to file sink";
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}
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else
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{
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DLOG(INFO) << "nothing to connect internally";
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}
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}
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void Gn3sSignalSource::disconnect(gr::top_block_sptr top_block)
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{
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if (dump_)
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{
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top_block->disconnect(gn3s_source_, 0, file_sink_, 0);
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}
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}
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gr::basic_block_sptr Gn3sSignalSource::get_left_block()
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{
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LOG(WARNING) << "Left block of a signal source should not be retrieved";
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return gr::block_sptr();
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}
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gr::basic_block_sptr Gn3sSignalSource::get_right_block()
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{
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return gn3s_source_;
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}
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