mirror of https://github.com/gnss-sdr/gnss-sdr
330 lines
11 KiB
C++
330 lines
11 KiB
C++
/*!
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* \file gnss_block_factory.cc
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* \brief This class implements a factory that returns instances of GNSS blocks.
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* \author Carlos Aviles, 2010. carlos.avilesr(at)googlemail.com
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* Luis Esteve, 2011. luis(at)epsilon-formacion.com
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* Javier Arribas, 2011. jarribas(at)cttc.es
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*
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* This class encapsulates the complexity behind the instantiation
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* of GNSS blocks.
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*
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2010-2011 (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 "gnss_block_factory.h"
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#include <string>
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#include <sstream>
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#include <iostream>
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#include <boost/lexical_cast.hpp>
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#include <glog/log_severity.h>
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#include <glog/logging.h>
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#include "configuration_interface.h"
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#include "gnss_block_interface.h"
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#include "pass_through.h"
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#include "file_signal_source.h"
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#include "null_sink_output_filter.h"
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#include "file_output_filter.h"
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#include "channel.h"
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//#include "usrp1_signal_source.h"
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#include "direct_resampler_conditioner.h"
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#include "gps_l1_ca_gps_sdr_acquisition.h"
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#include "gps_l1_ca_pcps_acquisition.h"
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#include "gps_l1_ca_tong_pcps_acquisition.h"
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#include "gps_l1_ca_dll_pll_tracking.h"
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#include "gps_l1_ca_dll_fll_pll_tracking.h"
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#include "gps_l1_ca_telemetry_decoder.h"
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#include "gps_l1_ca_observables.h"
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#include "gps_l1_ca_pvt.h"
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using google::LogMessage;
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GNSSBlockFactory::GNSSBlockFactory()
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{
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}
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GNSSBlockFactory::~GNSSBlockFactory()
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{
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}
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GNSSBlockInterface* GNSSBlockFactory::GetSignalSource(
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ConfigurationInterface *configuration, gr_msg_queue_sptr queue)
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{
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std::string default_implementation = "File_Signal_Source";
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std::string implementation = configuration->property(
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"SignalSource.implementation", default_implementation);
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DLOG(INFO) << "Getting SignalSource with implementation "
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<< implementation;
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return GetBlock(configuration, "SignalSource", implementation, 0, 1,
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queue);
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}
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GNSSBlockInterface* GNSSBlockFactory::GetSignalConditioner(
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ConfigurationInterface *configuration, gr_msg_queue_sptr queue)
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{
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std::string default_implementation = "Pass_Through";
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std::string implementation = configuration->property(
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"SignalConditioner.implementation", default_implementation);
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DLOG(INFO) << "Getting SignalConditioner with implementation "
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<< implementation;
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return GetBlock(configuration, "SignalConditioner", implementation, 1, 1,
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queue);
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}
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GNSSBlockInterface* GNSSBlockFactory::GetObservables(
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ConfigurationInterface *configuration, gr_msg_queue_sptr queue)
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{
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std::string default_implementation = "GPS_L1_CA_Observables";
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std::string implementation = configuration->property(
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"Observables.implementation", default_implementation);
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DLOG(INFO) << "Getting Observables with implementation "
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<< implementation;
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unsigned int channel_count =
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configuration->property("Channels.count", 12);
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return GetBlock(configuration, "Observables", implementation,
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channel_count, channel_count, queue);
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}
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GNSSBlockInterface* GNSSBlockFactory::GetPVT(
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ConfigurationInterface *configuration, gr_msg_queue_sptr queue)
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{
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std::string default_implementation = "Pass_Through";
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std::string implementation = configuration->property(
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"PVT.implementation", default_implementation);
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DLOG(INFO) << "Getting PVT with implementation " << implementation;
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unsigned int channel_count =
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configuration->property("Channels.count", 12);
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return GetBlock(configuration, "PVT", implementation, channel_count, 1,
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queue);
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}
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GNSSBlockInterface* GNSSBlockFactory::GetOutputFilter(
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ConfigurationInterface *configuration, gr_msg_queue_sptr queue)
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{
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std::string default_implementation = "Null_Sink_Output_Filter";
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std::string implementation = configuration->property(
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"OutputFilter.implementation", default_implementation);
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DLOG(INFO) << "Getting OutputFilter with implementation "
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<< implementation;
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return GetBlock(configuration, "OutputFilter", implementation, 1, 0,
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queue);
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}
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GNSSBlockInterface* GNSSBlockFactory::GetChannel(
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ConfigurationInterface *configuration, std::string acq,
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std::string trk, std::string tlm, int channel,
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gr_msg_queue_sptr queue)
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{
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std::stringstream stream;
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stream << channel;
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std::string id = stream.str();
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DLOG(INFO) << "Instantiating channel " << id;
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return new Channel(configuration, channel, GetBlock(configuration,
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"SignalConditioner", "Pass_Through", 1, 1, queue),
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(AcquisitionInterface*)GetBlock(configuration, "Acquisition",
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acq, 1, 1, queue), (TrackingInterface*)GetBlock(
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configuration, "Tracking", trk, 1, 1, queue),
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(TelemetryDecoderInterface*)GetBlock(configuration,
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"TelemetryDecoder", tlm, 1, 1, queue), "Channel",
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"Channel", queue);
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}
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std::vector<GNSSBlockInterface*>* GNSSBlockFactory::GetChannels(
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ConfigurationInterface *configuration, gr_msg_queue_sptr queue)
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{
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std::string default_implementation = "PassThrough";
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unsigned int channel_count =
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configuration->property("Channels.count", 12);
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std::vector<GNSSBlockInterface*>* channels = new std::vector<
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GNSSBlockInterface*>();
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std::string tracking = configuration->property("Tracking.implementation",
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default_implementation);
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std::string telemetry_decoder = configuration->property(
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"TelemetryDecoder.implementation", default_implementation);
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for (unsigned int i = 0; i < channel_count; i++)
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{
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std::string acquisition_implementation_name = "Acquisition"
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+ boost::lexical_cast<std::string>(i) + ".implementation";
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std::string acquisition_implementation = configuration->property(
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acquisition_implementation_name, default_implementation);
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channels->push_back(GetChannel(configuration,
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acquisition_implementation, tracking, telemetry_decoder, i,
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queue));
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//std::cout << "getchannel_" << i << ", acq_implementation_name: "
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//<< acquisition_implementation_name << ", implementation: "
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//<< acquisition_implementation << std::endl;
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}
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DLOG(INFO) << "Getting " << channel_count << " channels";
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return channels;
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}
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/*
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* Returns the block with the required configuration and implementation
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*
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* PLEASE ADD YOUR NEW BLOCK HERE!!
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*/
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GNSSBlockInterface* GNSSBlockFactory::GetBlock(
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ConfigurationInterface *configuration, std::string role,
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std::string implementation, unsigned int in_streams,
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unsigned int out_streams, gr_msg_queue_sptr queue)
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{
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GNSSBlockInterface* block = NULL; //Change to nullptr when available in compilers (C++11)
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// SIGNAL SOURCES -------------------------------------------------------------
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if (implementation.compare("File_Signal_Source") == 0)
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{
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block = new FileSignalSource(configuration, role, in_streams,
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out_streams, queue);
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}
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// else if (implementation.compare("USRP1_Signal_Source") == 0)
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// {
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// block = new Usrp1SignalSource(configuration, role, in_streams,
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// out_streams, queue);
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// }
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//! \todo Create a UHD block
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// SIGNAL CONDITIONERS ---------------------------------------------------------
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else if (implementation.compare("Pass_Through") == 0)
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{
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block = new PassThrough(configuration, role, in_streams, out_streams);
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}
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else if (implementation.compare("Direct_Resampler") == 0)
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{
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block = new DirectResamplerConditioner(configuration, role,
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in_streams, out_streams);
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}
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// ACQUISITION BLOCKS ---------------------------------------------------------
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else if (implementation.compare("GPS_L1_CA_GPS_SDR_Acquisition") == 0)
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{
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block = new GpsL1CaGpsSdrAcquisition(configuration, role, in_streams,
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out_streams, queue);
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}
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else if (implementation.compare("GPS_L1_CA_PCPS_Acquisition") == 0)
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{
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block = new GpsL1CaPcpsAcquisition(configuration, role, in_streams,
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out_streams, queue);
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}
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else if (implementation.compare("GPS_L1_CA_TONG_PCPS_Acquisition") == 0)
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{
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block = new GpsL1CaTongPcpsAcquisition(configuration, role,
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in_streams, out_streams, queue);
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}
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// TRACKING BLOCKS -------------------------------------------------------------
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else if (implementation.compare("GPS_L1_CA_DLL_PLL_Tracking") == 0)
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{
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block = new GpsL1CaDllPllTracking(configuration, role, in_streams,
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out_streams, queue);
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}
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else if (implementation.compare("GPS_L1_CA_DLL_FLL_PLL_Tracking") == 0)
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{
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block = new GpsL1CaDllFllPllTracking(configuration, role, in_streams,
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out_streams, queue);
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}
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// TELEMETRY DECODERS ----------------------------------------------------------
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else if (implementation.compare("GPS_L1_CA_Telemetry_Decoder") == 0)
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{
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block = new GpsL1CaTelemetryDecoder(configuration, role, in_streams,
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out_streams, queue);
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}
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// OBSERVABLES -----------------------------------------------------------------
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else if (implementation.compare("GPS_L1_CA_Observables") == 0)
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{
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block = new GpsL1CaObservables(configuration, role, in_streams,
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out_streams, queue);
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}
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// PVT -------------------------------------------------------------------------
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else if (implementation.compare("GPS_L1_CA_PVT") == 0)
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{
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block = new GpsL1CaPvt(configuration, role, in_streams,
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out_streams, queue);
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}
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// OUTPUT FILTERS --------------------------------------------------------------
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else if (implementation.compare("Null_Sink_Output_Filter") == 0)
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{
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block = new NullSinkOutputFilter(configuration, role, in_streams,
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out_streams);
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}
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else if (implementation.compare("File_Output_Filter") == 0)
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{
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block = new FileOutputFilter(configuration, role, in_streams,
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out_streams);
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}
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else
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{
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// Log fatal. This causes execution to stop.
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LOG_AT_LEVEL(ERROR) << implementation
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<< ": Undefined implementation for block";
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}
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return block;
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}
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