mirror of https://github.com/gnss-sdr/gnss-sdr
118 lines
3.6 KiB
C++
118 lines
3.6 KiB
C++
/*!
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* \file beamformer_filter.cc
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* \brief Interface of an adapter of a digital beamformer
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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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* 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 "beamformer_filter.h"
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#include "beamformer.h"
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#include "configuration_interface.h"
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#include <glog/logging.h>
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#include <gnuradio/blocks/file_sink.h>
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using google::LogMessage;
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BeamformerFilter::BeamformerFilter(
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ConfigurationInterface* configuration, std::string role,
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unsigned int in_stream, unsigned int out_stream) : role_(role), in_stream_(in_stream), out_stream_(out_stream)
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{
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std::string default_item_type = "gr_complex";
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std::string default_dump_file = "./data/input_filter.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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DLOG(INFO) << "dump_ is " << dump_;
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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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beamformer_ = make_beamformer();
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DLOG(INFO) << "Item size " << item_size_;
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DLOG(INFO) << "resampler(" << beamformer_->unique_id() << ")";
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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 beamformer";
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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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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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DLOG(INFO) << "file_sink(" << file_sink_->unique_id() << ")";
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}
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samples_ = 0;
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if (in_stream_ > 8)
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{
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LOG(ERROR) << "This implementation only supports eight input streams";
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}
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if (out_stream_ > 1)
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{
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LOG(ERROR) << "This implementation only supports one output stream";
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}
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}
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BeamformerFilter::~BeamformerFilter() = default;
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void BeamformerFilter::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(beamformer_, 0, file_sink_, 0);
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DLOG(INFO) << "connected beamformer output 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 BeamformerFilter::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(beamformer_, 0, file_sink_, 0);
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}
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}
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gr::basic_block_sptr BeamformerFilter::get_left_block()
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{
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return beamformer_;
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}
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gr::basic_block_sptr BeamformerFilter::get_right_block()
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{
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return beamformer_;
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}
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