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

100 lines
2.9 KiB
C++

/*!
* \file beamformer_filter.cc
* \brief Interface of an adapter of a digital beamformer
* \author Javier Arribas jarribas (at) cttc.es
*
* -----------------------------------------------------------------------------
*
* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
* This file is part of GNSS-SDR.
*
* Copyright (C) 2010-2020 (see AUTHORS file for a list of contributors)
* SPDX-License-Identifier: GPL-3.0-or-later
*
* -----------------------------------------------------------------------------
*/
#include "beamformer_filter.h"
#include "beamformer.h"
#include "configuration_interface.h"
#include <glog/logging.h>
#include <gnuradio/blocks/file_sink.h>
BeamformerFilter::BeamformerFilter(
const ConfigurationInterface* configuration, const std::string& role,
unsigned int in_stream, unsigned int out_stream)
: role_(role),
in_stream_(in_stream),
out_stream_(out_stream),
dump_(configuration->property(role + ".dump", false))
{
const std::string default_item_type("gr_complex");
const std::string default_dump_file("./data/input_filter.dat");
item_type_ = configuration->property(role + ".item_type", default_item_type);
dump_filename_ = configuration->property(role + ".dump_filename", default_dump_file);
DLOG(INFO) << "role " << role_;
if (item_type_ == "gr_complex")
{
item_size_ = sizeof(gr_complex);
beamformer_ = make_beamformer_sptr();
DLOG(INFO) << "Item size " << item_size_;
DLOG(INFO) << "resampler(" << beamformer_->unique_id() << ")";
}
else
{
LOG(WARNING) << item_type_
<< " unrecognized item type for beamformer";
item_size_ = 0;
}
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() << ")";
}
if (in_stream_ > 8)
{
LOG(ERROR) << "This implementation only supports eight input streams";
}
if (out_stream_ > 1)
{
LOG(ERROR) << "This implementation only supports one output stream";
}
}
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_;
}