mirror of https://github.com/gnss-sdr/gnss-sdr
124 lines
3.5 KiB
C++
124 lines
3.5 KiB
C++
/*!
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* \file signal_conditioner.cc
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* \brief It holds blocks to change data type, filter and resample input data.
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* \author Luis Esteve, 2012. luis(at)epsilon-formacion.com
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*
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*
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2010-2012 (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 "signal_conditioner.h"
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#include "gnss_flowgraph.h"
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#include <iostream>
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#include <sstream>
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#include <boost/lexical_cast.hpp>
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#include <boost/thread/thread.hpp>
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#include <gnuradio/gr_io_signature.h>
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#include <gnuradio/gr_message.h>
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#include <glog/log_severity.h>
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#include <glog/logging.h>
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using google::LogMessage;
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// Constructor
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SignalConditioner::SignalConditioner(ConfigurationInterface *configuration,
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GNSSBlockInterface *data_type_adapt, GNSSBlockInterface *in_filt,
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GNSSBlockInterface *res, std::string role, std::string implementation,
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gr_msg_queue_sptr queue) : data_type_adapt_(data_type_adapt),
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in_filt_(in_filt), res_(res), role_(role), implementation_(implementation),
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queue_(queue)
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{
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connected_ = false;
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}
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// Destructor
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SignalConditioner::~SignalConditioner()
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{
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delete data_type_adapt_;
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delete in_filt_;
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delete res_;
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}
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void SignalConditioner::connect(gr_top_block_sptr top_block)
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{
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if (connected_)
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{
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LOG_AT_LEVEL(WARNING) << "Signal conditioner already connected internally";
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return;
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}
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data_type_adapt_->connect(top_block);
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in_filt_->connect(top_block);
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res_->connect(top_block);
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top_block->connect(data_type_adapt_->get_right_block(), 0,
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in_filt_->get_left_block(), 0);
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DLOG(INFO) << "data_type_adapter -> input_filter";
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top_block->connect(in_filt_->get_right_block(), 0,
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res_->get_left_block(), 0);
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DLOG(INFO) << "input_filter -> resampler";
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connected_ = true;
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}
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void SignalConditioner::disconnect(gr_top_block_sptr top_block)
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{
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if (!connected_)
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{
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LOG_AT_LEVEL(WARNING) << "Signal conditioner already disconnected internally";
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return;
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}
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top_block->disconnect(data_type_adapt_->get_right_block(), 0,
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in_filt_->get_left_block(), 0);
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top_block->disconnect(in_filt_->get_right_block(), 0,
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res_->get_left_block(), 0);
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data_type_adapt_->disconnect(top_block);
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in_filt_->disconnect(top_block);
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res_->disconnect(top_block);
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connected_ = false;
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}
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gr_basic_block_sptr SignalConditioner::get_left_block()
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{
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return data_type_adapt_->get_left_block();
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}
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gr_basic_block_sptr SignalConditioner::get_right_block()
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{
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return res_->get_right_block();
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}
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