mirror of https://github.com/gnss-sdr/gnss-sdr
143 lines
4.5 KiB
C++
143 lines
4.5 KiB
C++
/*!
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* \file ibyte_to_complex.cc
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* \brief Adapts an I/Q interleaved byte integer sample stream to a gr_complex (float) stream
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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 "ibyte_to_complex.h"
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#include "configuration_interface.h"
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#include <glog/logging.h>
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IbyteToComplex::IbyteToComplex(ConfigurationInterface* configuration, const std::string& role,
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unsigned int in_streams, unsigned int out_streams) : config_(configuration), role_(role), in_streams_(in_streams), out_streams_(out_streams)
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{
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std::string default_input_item_type = "byte";
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std::string default_output_item_type = "gr_complex";
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std::string default_dump_filename = "../data/input_filter.dat";
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DLOG(INFO) << "role " << role_;
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input_item_type_ = config_->property(role_ + ".input_item_type", default_input_item_type);
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dump_ = config_->property(role_ + ".dump", false);
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dump_filename_ = config_->property(role_ + ".dump_filename", default_dump_filename);
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inverted_spectrum = configuration->property(role + ".inverted_spectrum", false);
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size_t item_size = sizeof(gr_complex);
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gr_interleaved_char_to_complex_ = gr::blocks::interleaved_char_to_complex::make();
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DLOG(INFO) << "data_type_adapter_(" << gr_interleaved_char_to_complex_->unique_id() << ")";
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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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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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}
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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";
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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";
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}
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}
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void IbyteToComplex::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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if (inverted_spectrum)
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{
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top_block->connect(gr_interleaved_char_to_complex_, 0, conjugate_cc_, 0);
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top_block->connect(conjugate_cc_, 0, file_sink_, 0);
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}
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else
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{
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top_block->connect(gr_interleaved_char_to_complex_, 0, file_sink_, 0);
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}
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}
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else
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{
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if (inverted_spectrum)
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{
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top_block->connect(gr_interleaved_char_to_complex_, 0, conjugate_cc_, 0);
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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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}
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void IbyteToComplex::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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if (inverted_spectrum)
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{
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top_block->disconnect(gr_interleaved_char_to_complex_, 0, conjugate_cc_, 0);
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top_block->disconnect(conjugate_cc_, 0, file_sink_, 0);
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}
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else
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{
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top_block->disconnect(gr_interleaved_char_to_complex_, 0, file_sink_, 0);
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}
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}
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else
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{
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if (inverted_spectrum)
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{
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top_block->disconnect(gr_interleaved_char_to_complex_, 0, conjugate_cc_, 0);
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}
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}
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}
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gr::basic_block_sptr IbyteToComplex::get_left_block()
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{
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return gr_interleaved_char_to_complex_;
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}
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gr::basic_block_sptr IbyteToComplex::get_right_block()
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{
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if (inverted_spectrum)
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{
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return conjugate_cc_;
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}
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return gr_interleaved_char_to_complex_;
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}
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