mirror of
https://github.com/gnss-sdr/gnss-sdr
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0f80ce0159
message system. Removing the deprecated channel internal queue and its references. Some tests that are using the old channel queue are disabled in this version
146 lines
4.4 KiB
C++
146 lines
4.4 KiB
C++
/*!
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* \file gnss_flowgraph.h
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* \brief Interface of a GNSS receiver flowgraph.
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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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* Carles Fernandez-Prades, 2014. cfernandez(at)cttc.es
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*
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* It contains a signal source,
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* a signal conditioner, a set of channels, a pvt and an output filter.
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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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#ifndef GNSS_SDR_GNSS_FLOWGRAPH_H_
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#define GNSS_SDR_GNSS_FLOWGRAPH_H_
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#include <list>
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#include <memory>
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#include <queue>
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#include <string>
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#include <vector>
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#include <gnuradio/top_block.h>
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#include <gnuradio/msg_queue.h>
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#include "GPS_L1_CA.h"
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#include "gnss_signal.h"
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class GNSSBlockInterface;
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class ChannelInterface;
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class ConfigurationInterface;
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class GNSSBlockFactory;
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/*! \brief This class represents a GNSS flowgraph.
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*
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* It contains a signal source,
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* a signal conditioner, a set of channels, a PVT and an output filter.
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*/
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class GNSSFlowgraph
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{
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public:
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/*!
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* \brief Constructor that initializes the receiver flowgraph
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*/
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GNSSFlowgraph(std::shared_ptr<ConfigurationInterface> configuration,
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boost::shared_ptr<gr::msg_queue> queue);
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/*!
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* \brief Virtual destructor
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*/
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virtual ~GNSSFlowgraph();
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//! \brief Start the flowgraph
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void start();
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//! \brief Stop the flowgraph
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void stop();
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/*!
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* \brief Connects the defined blocks in the flowgraph
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*
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* Signal Source > Signal conditioner > Channels >> Observables >> PVT > Output filter
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*/
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void connect();
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void wait();
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/*!
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* \brief Applies an action to the flowgraph
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*
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* \param[in] who Who generated the action
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* \param[in] what What is the action 0: acquisition failed
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*/
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void apply_action(unsigned int who, unsigned int what);
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void set_configuration(std::shared_ptr<ConfigurationInterface> configuration);
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unsigned int applied_actions()
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{
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return applied_actions_;
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}
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bool connected()
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{
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return connected_;
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}
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bool running()
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{
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return running_;
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}
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/*!
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* \brief Sends a GNURadio asyncronous message from telemetry to PVT
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*
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* It is used to assist the receiver with external ephemeris data
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*/
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bool send_telemetry_msg(pmt::pmt_t msg);
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private:
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void init(); // Populates the SV PRN list available for acquisition and tracking
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void set_signals_list();
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void set_channels_state(); // Initializes the channels state (start acquisition or keep standby)
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// using the configuration parameters (number of channels and max channels in acquisition)
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bool connected_;
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bool running_;
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int sources_count_;
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unsigned int channels_count_;
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unsigned int acq_channels_count_;
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unsigned int max_acq_channels_;
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unsigned int applied_actions_;
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std::string config_file_;
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std::shared_ptr<ConfigurationInterface> configuration_;
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std::vector<std::shared_ptr<GNSSBlockInterface>> sig_source_;
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std::vector<std::shared_ptr<GNSSBlockInterface>> sig_conditioner_;
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std::shared_ptr<GNSSBlockInterface> observables_;
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std::shared_ptr<GNSSBlockInterface> pvt_;
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std::vector<std::shared_ptr<ChannelInterface>> channels_;
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gr::top_block_sptr top_block_;
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boost::shared_ptr<gr::msg_queue> queue_;
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std::list<Gnss_Signal> available_GNSS_signals_;
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std::vector<unsigned int> channels_state_;
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};
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#endif /*GNSS_SDR_GNSS_FLOWGRAPH_H_*/
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