mirror of
https://github.com/gnss-sdr/gnss-sdr
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137 lines
3.9 KiB
C++
137 lines
3.9 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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* Copyright (C) 2010-2015 (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 <http://www.gnu.org/licenses/>.
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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 <iostream>
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#include <complex>
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#include <glog/logging.h>
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#include <volk/volk.h>
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#include "configuration_interface.h"
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using google::LogMessage;
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Pass_Through::Pass_Through(ConfigurationInterface* configuration, std::string role,
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unsigned int in_streams,
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unsigned int out_streams) :
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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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std::string default_item_type = "gr_complex";
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std::string input_type = configuration->property(role + ".input_item_type", default_item_type);
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std::string output_type = configuration->property(role + ".output_item_type", default_item_type);
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if(input_type.compare(output_type) != 0)
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{
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LOG(WARNING) << "input_item_type and output_item_type are different in a Pass_Through implementation! Taking "
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<< input_type
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<< ", but item_size will supersede it.";
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}
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item_type_ = configuration->property(role + ".item_type", input_type);
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vector_size_ = configuration->property(role + ".vector_size", 1);
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if(item_type_.compare("float") == 0)
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{
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item_size_ = sizeof(float);
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}
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else if(item_type_.compare("gr_complex") == 0)
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{
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item_size_ = sizeof(gr_complex);
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}
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else if(item_type_.compare("short") == 0)
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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_.compare("ishort") == 0)
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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_.compare("cshort") == 0)
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{
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item_size_ = sizeof(lv_16sc_t);
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}
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else if(item_type_.compare("byte") == 0)
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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_.compare("ibyte") == 0)
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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_.compare("cbyte") == 0)
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{
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item_size_ = sizeof(lv_8sc_t);
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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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DLOG(INFO) << "kludge_copy(" << kludge_copy_->unique_id() << ")";
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}
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Pass_Through::~Pass_Through()
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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) { /* top_block is not null */};
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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) { /* top_block is not null */};
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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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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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return kludge_copy_;
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}
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