gnss-sdr/src/algorithms/input_filter/adapters/beamformer_filter.cc

113 lines
3.4 KiB
C++

/*!
* \file beamformer_filter.cc
* \brief Interface of an adapter of a digital beamformer
* \author Javier Arribas jarribas (at) cttc.es
*
* -------------------------------------------------------------------------
*
* Copyright (C) 2010-2015 (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 "beamformer_filter.h"
#include "beamformer.h"
#include "configuration_interface.h"
#include <glog/logging.h>
#include <gnuradio/blocks/file_sink.h>
using google::LogMessage;
BeamformerFilter::BeamformerFilter(
ConfigurationInterface* configuration, std::string role,
unsigned int in_stream, unsigned int out_stream) :
role_(role), in_stream_(in_stream), out_stream_(out_stream)
{
std::string default_item_type = "gr_complex";
std::string default_dump_file = "./data/input_filter.dat";
item_type_ = configuration->property(role + ".item_type", default_item_type);
dump_ = configuration->property(role + ".dump", false);
DLOG(INFO) << "dump_ is " << dump_;
dump_filename_ = configuration->property(role + ".dump_filename", default_dump_file);
if (item_type_.compare("gr_complex") == 0)
{
item_size_ = sizeof(gr_complex);
beamformer_ = make_beamformer();
DLOG(INFO) << "Item size " << item_size_;
DLOG(INFO) << "resampler(" << beamformer_->unique_id() << ")";
}
else
{
LOG(WARNING) << item_type_
<< " unrecognized item type for beamformer";
item_size_ = sizeof(gr_complex);
}
if (dump_)
{
DLOG(INFO) << "Dumping output into file " << dump_filename_;
file_sink_ = gr::blocks::file_sink::make(item_size_, dump_filename_.c_str());
DLOG(INFO) << "file_sink(" << file_sink_->unique_id() << ")";
}
samples_ = 0;
}
BeamformerFilter::~BeamformerFilter() {}
void BeamformerFilter::connect(gr::top_block_sptr top_block)
{
if (dump_)
{
top_block->connect(beamformer_, 0, file_sink_, 0);
DLOG(INFO) << "connected beamformer output to file sink";
}
else
{
DLOG(INFO) << "nothing to connect internally";
}
}
void BeamformerFilter::disconnect(gr::top_block_sptr top_block)
{
if (dump_)
{
top_block->disconnect(beamformer_, 0, file_sink_, 0);
}
}
gr::basic_block_sptr BeamformerFilter::get_left_block()
{
return beamformer_;
}
gr::basic_block_sptr BeamformerFilter::get_right_block()
{
return beamformer_;
}