mirror of
https://github.com/gnss-sdr/gnss-sdr
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163 lines
4.8 KiB
C++
163 lines
4.8 KiB
C++
/*!
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* \file pass_through.cc
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* \brief Implementation of a block that just puts its input in its
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* output.
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* \author Carlos Aviles, 2010. carlos.avilesr(at)googlemail.com
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*
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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 "pass_through.h"
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#include "configuration_interface.h"
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#include <glog/logging.h>
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#include <gnuradio/gr_complex.h>
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#include <volk/volk_complex.h>
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#include <cstdint> // for int8_t
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#include <ostream> // for operator<<
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Pass_Through::Pass_Through(const ConfigurationInterface* configuration, const std::string& role,
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unsigned int in_streams,
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unsigned int out_streams) : role_(role),
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in_streams_(in_streams),
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out_streams_(out_streams)
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{
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const std::string default_item_type("gr_complex");
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item_type_ = configuration->property(role + ".item_type", default_item_type);
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inverted_spectrum = configuration->property(role + ".inverted_spectrum", false);
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if (item_type_ == "float")
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{
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item_size_ = sizeof(float);
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}
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else if (item_type_ == "gr_complex")
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{
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item_size_ = sizeof(gr_complex);
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if (inverted_spectrum)
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{
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conjugate_cc_ = make_conjugate_cc();
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}
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}
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else if ((item_type_ == "short") || (item_type_ == "ishort"))
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{
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item_size_ = sizeof(int16_t);
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}
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else if (item_type_ == "cshort")
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{
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item_size_ = sizeof(lv_16sc_t);
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if (inverted_spectrum)
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{
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conjugate_sc_ = make_conjugate_sc();
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}
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}
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else if ((item_type_ == "byte") || (item_type_ == "ibyte"))
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{
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item_size_ = sizeof(int8_t);
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}
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else if (item_type_ == "cbyte")
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{
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item_size_ = sizeof(lv_8sc_t);
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if (inverted_spectrum)
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{
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conjugate_ic_ = make_conjugate_ic();
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}
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}
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else
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{
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LOG(WARNING) << item_type_ << " unrecognized item type. Using float";
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item_size_ = sizeof(float);
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}
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kludge_copy_ = gr::blocks::copy::make(item_size_);
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const uint64_t max_source_buffer_samples = configuration->property("GNSS-SDR.max_source_buffer_samples", 0);
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if (max_source_buffer_samples > 0)
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{
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kludge_copy_->set_max_output_buffer(max_source_buffer_samples);
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LOG(INFO) << "Set signal conditioner max output buffer to " << max_source_buffer_samples;
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}
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DLOG(INFO) << "kludge_copy(" << kludge_copy_->unique_id() << ")";
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if (in_streams_ > 1)
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{
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LOG(ERROR) << "This implementation only supports one input stream but it is set to " << in_streams_;
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}
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if (out_streams_ > 1)
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{
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LOG(ERROR) << "This implementation only supports one output stream but it is set to " << out_streams_;
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}
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}
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void Pass_Through::connect(gr::top_block_sptr top_block)
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{
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if (top_block)
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{ /* top_block is not null */
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};
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DLOG(INFO) << "nothing to connect internally";
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}
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void Pass_Through::disconnect(gr::top_block_sptr top_block)
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{
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if (top_block)
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{ /* top_block is not null */
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};
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// Nothing to disconnect
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}
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gr::basic_block_sptr Pass_Through::get_left_block()
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{
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if (inverted_spectrum)
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{
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if (item_type_ == "gr_complex")
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{
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return conjugate_cc_;
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}
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if (item_type_ == "cshort")
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{
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return conjugate_sc_;
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}
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if (item_type_ == "cbyte")
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{
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return conjugate_ic_;
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}
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LOG(WARNING) << "Setting inverted_spectrum to true with item_type "
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<< item_type_ << " is not defined and has no effect.";
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}
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return kludge_copy_;
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}
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gr::basic_block_sptr Pass_Through::get_right_block()
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{
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if (inverted_spectrum)
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{
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if (item_type_ == "gr_complex")
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{
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return conjugate_cc_;
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}
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if (item_type_ == "cshort")
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{
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return conjugate_sc_;
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}
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if (item_type_ == "cbyte")
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{
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return conjugate_ic_;
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}
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DLOG(WARNING) << "Setting inverted_spectrum to true with item_type "
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<< item_type_ << " is not defined and has no effect.";
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}
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return kludge_copy_;
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}
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