gnss-sdr/src/algorithms/signal_source/adapters/raw_array_signal_source.cc

122 lines
3.9 KiB
C++

/*!
* \file raw_array_signal_source.cc
* \brief CTTC Experimental GNSS 8 channels array signal source
* \author Javier Arribas, jarribas(at)cttc.es
*
* -------------------------------------------------------------------------
*
* Copyright (C) 2010-2019 (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.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
* -------------------------------------------------------------------------
*/
#include "raw_array_signal_source.h"
#include "concurrent_queue.h"
#include "configuration_interface.h"
#include <glog/logging.h>
#include <gnuradio/blocks/file_sink.h>
#include <pmt/pmt.h>
#include <dbfcttc/raw_array.h>
RawArraySignalSource::RawArraySignalSource(ConfigurationInterface* configuration,
std::string role, unsigned int in_stream, unsigned int out_stream, Concurrent_Queue<pmt::pmt_t>* queue) : role_(role), in_stream_(in_stream), out_stream_(out_stream)
{
std::string default_item_type = "gr_complex";
std::string default_dump_file = "./data/raw_array_source.dat";
item_type_ = configuration->property(role + ".item_type", default_item_type);
// dump_ = configuration->property(role + ".dump", false);
// dump_filename_ = configuration->property(role + ".dump_filename", default_dump_file);
dump_ = false;
std::string default_ethernet_dev = "eth0";
eth_device_ = configuration->property(role + ".ethernet_dev", default_ethernet_dev);
int channels_;
channels_ = configuration->property(role + ".channels", 8);
int snapshots_per_frame_;
snapshots_per_frame_ = configuration->property(role + ".snapshots_per_frame", 80);
int inter_frame_delay_;
inter_frame_delay_ = configuration->property(role + ".inter_frame_delay", 10);
int sampling_freq_;
sampling_freq_ = configuration->property(role + ".sampling_freq", 5000000);
if (item_type_ == "gr_complex")
{
item_size_ = sizeof(gr_complex);
raw_array_source_ = gr::dbfcttc::raw_array::make(eth_device_.c_str(), channels_, snapshots_per_frame_, inter_frame_delay_, sampling_freq_);
DLOG(INFO) << "Item size " << item_size_;
DLOG(INFO) << "raw_array_source(" << raw_array_source_->unique_id() << ")";
}
// else if (item_type_.compare("short") == 0)
// {
// item_size_ = sizeof(short);
// resampler_ = direct_resampler_make_conditioner_ss(sample_freq_in_,
// sample_freq_out_);
// }
else
{
LOG(WARNING) << item_type_ << " unrecognized item type for raw_array_source_";
item_size_ = sizeof(gr_complex);
}
if (dump_)
{
// TODO: multichannel recorder
DLOG(INFO) << "Dumping output into file " << dump_filename_;
file_sink_ = gr::blocks::file_sink::make(item_size_, dump_filename_.c_str());
}
if (dump_)
{
DLOG(INFO) << "file_sink(" << file_sink_->unique_id() << ")";
}
}
void RawArraySignalSource::connect(gr::top_block_sptr top_block)
{
if (dump_)
{
// TODO: multichannel recorder
top_block->connect(raw_array_source_, 0, file_sink_, 0);
DLOG(INFO) << "connected raw_array_source_ to file sink";
}
else
{
DLOG(INFO) << "nothing to connect internally";
}
}
void RawArraySignalSource::disconnect(gr::top_block_sptr top_block)
{
if (dump_)
{
// TODO: multichannel recorder
top_block->disconnect(raw_array_source_, 0, file_sink_, 0);
}
}
gr::basic_block_sptr RawArraySignalSource::get_left_block()
{
LOG(WARNING) << "Left block of a signal source should not be retrieved";
return gr::block_sptr();
}
gr::basic_block_sptr RawArraySignalSource::get_right_block()
{
return raw_array_source_;
}