mirror of https://github.com/gnss-sdr/gnss-sdr
130 lines
3.9 KiB
C++
130 lines
3.9 KiB
C++
/*!
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* \file ibyte_to_cshort.cc
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* \brief Adapts an I/Q interleaved short integer (16 bits) sample stream
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* to a gr_complex (float) stream
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* \author Carles Fernandez-Prades, cfernandez(at)cttc.es
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*
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2010-2019 (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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* 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 "ibyte_to_cshort.h"
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#include "configuration_interface.h"
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#include <glog/logging.h>
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#include <volk/volk.h>
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IbyteToCshort::IbyteToCshort(const ConfigurationInterface* configuration, const std::string& role,
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unsigned int in_streams, unsigned int out_streams) : 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 = "cshort";
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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_ = configuration->property(role_ + ".input_item_type", default_input_item_type);
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dump_ = configuration->property(role_ + ".dump", false);
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dump_filename_ = configuration->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(lv_16sc_t);
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interleaved_byte_to_complex_short_ = make_interleaved_byte_to_complex_short();
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DLOG(INFO) << "data_type_adapter_(" << interleaved_byte_to_complex_short_->unique_id() << ")";
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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 (inverted_spectrum)
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{
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conjugate_sc_ = make_conjugate_sc();
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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 IbyteToCshort::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(interleaved_byte_to_complex_short_, 0, conjugate_sc_, 0);
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top_block->connect(conjugate_sc_, 0, file_sink_, 0);
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}
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else
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{
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top_block->connect(interleaved_byte_to_complex_short_, 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(interleaved_byte_to_complex_short_, 0, conjugate_sc_, 0);
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}
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}
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}
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void IbyteToCshort::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(interleaved_byte_to_complex_short_, 0, conjugate_sc_, 0);
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top_block->disconnect(conjugate_sc_, 0, file_sink_, 0);
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}
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else
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{
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top_block->disconnect(interleaved_byte_to_complex_short_, 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(interleaved_byte_to_complex_short_, 0, conjugate_sc_, 0);
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}
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}
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}
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gr::basic_block_sptr IbyteToCshort::get_left_block()
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{
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return interleaved_byte_to_complex_short_;
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}
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gr::basic_block_sptr IbyteToCshort::get_right_block()
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{
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if (inverted_spectrum)
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{
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return conjugate_sc_;
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}
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return interleaved_byte_to_complex_short_;
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}
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