mirror of https://github.com/gnss-sdr/gnss-sdr
119 lines
4.0 KiB
C++
119 lines
4.0 KiB
C++
/*!
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* \file raw_array_signal_source.cc
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* \brief CTTC Experimental GNSS 8 channels array signal source
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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 "raw_array_signal_source.h"
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#include "concurrent_queue.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 <pmt/pmt.h>
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#include <dbfcttc/raw_array.h>
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using namespace std::string_literals;
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RawArraySignalSource::RawArraySignalSource(const ConfigurationInterface* configuration,
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std::string role, unsigned int in_stream, unsigned int out_stream, Concurrent_Queue<pmt::pmt_t>* queue)
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: SignalSourceBase(configuration, role, "Raw_Array_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("gr_complex");
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const std::string default_dump_file("./data/raw_array_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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dump_ = false;
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const std::string default_ethernet_dev("eth0");
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eth_device_ = configuration->property(role + ".ethernet_dev", default_ethernet_dev);
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int channels_ = configuration->property(role + ".channels", 8);
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int snapshots_per_frame_ = configuration->property(role + ".snapshots_per_frame", 80);
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int inter_frame_delay_ = configuration->property(role + ".inter_frame_delay", 10);
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int sampling_freq_ = configuration->property(role + ".sampling_freq", 5000000);
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if (item_type_ == "gr_complex")
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{
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item_size_ = sizeof(gr_complex);
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raw_array_source_ = gr::dbfcttc::raw_array::make(eth_device_.c_str(), channels_, snapshots_per_frame_, inter_frame_delay_, sampling_freq_);
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DLOG(INFO) << "Item size " << item_size_;
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DLOG(INFO) << "raw_array_source(" << raw_array_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_ << " unrecognized item type for raw_array_source_";
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item_size_ = sizeof(gr_complex);
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}
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if (dump_)
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{
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// TODO: multichannel recorder
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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 RawArraySignalSource::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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// TODO: multichannel recorder
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top_block->connect(raw_array_source_, 0, file_sink_, 0);
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DLOG(INFO) << "connected raw_array_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 RawArraySignalSource::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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// TODO: multichannel recorder
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top_block->disconnect(raw_array_source_, 0, file_sink_, 0);
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}
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}
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gr::basic_block_sptr RawArraySignalSource::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 RawArraySignalSource::get_right_block()
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{
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return raw_array_source_;
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}
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