mirror of
https://github.com/gnss-sdr/gnss-sdr
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108 lines
3.7 KiB
C++
108 lines
3.7 KiB
C++
/*!
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* \file channel.h
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* \brief Interface of a GNSS channel.
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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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*
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* It holds blocks for acquisition, tracking,
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* navigation data extraction and pseudorange calculation.
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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_CHANNEL_H_
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#define GNSS_SDR_CHANNEL_H_
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#include <memory>
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#include <string>
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#include <gnuradio/msg_queue.h>
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#include <gnuradio/block.h>
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#include "channel_interface.h"
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#include "channel_fsm.h"
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#include "gnss_synchro.h"
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#include "channel_msg_receiver_cc.h"
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class ConfigurationInterface;
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class AcquisitionInterface;
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class TrackingInterface;
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class TelemetryDecoderInterface;
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/*!
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* \brief This class represents a GNSS channel. It wraps an AcquisitionInterface,
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* a Tracking Interface and a TelemetryDecoderInterface, and handles
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* their interaction through a Finite State Machine
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*
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*/
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class Channel: public ChannelInterface
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{
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public:
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//! Constructor
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Channel(ConfigurationInterface *configuration, unsigned int channel,
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std::shared_ptr<GNSSBlockInterface> pass_through, std::shared_ptr<AcquisitionInterface> acq,
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std::shared_ptr<TrackingInterface> trk, std::shared_ptr<TelemetryDecoderInterface> nav,
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std::string role, std::string implementation,
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boost::shared_ptr<gr::msg_queue> queue);
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//! Virtual destructor
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virtual ~Channel();
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void connect(gr::top_block_sptr top_block);
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void disconnect(gr::top_block_sptr top_block);
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gr::basic_block_sptr get_left_block();
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gr::basic_block_sptr get_right_block();
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std::string role(){ return role_; }
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//! Returns "Channel"
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std::string implementation(){ return implementation_; }
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size_t item_size(){ return 0; }
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Gnss_Signal get_signal() const { return gnss_signal_; }
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std::shared_ptr<AcquisitionInterface> acquisition(){ return acq_; }
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std::shared_ptr<TrackingInterface> tracking(){ return trk_; }
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std::shared_ptr<TelemetryDecoderInterface> telemetry(){ return nav_; }
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void start_acquisition(); //!< Start the State Machine
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void set_signal(const Gnss_Signal& gnss_signal_); //!< Sets the channel GNSS signal
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void msg_handler_events(pmt::pmt_t msg);
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private:
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channel_msg_receiver_cc_sptr channel_msg_rx;
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std::shared_ptr<GNSSBlockInterface> pass_through_;
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std::shared_ptr<AcquisitionInterface> acq_;
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std::shared_ptr<TrackingInterface> trk_;
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std::shared_ptr<TelemetryDecoderInterface> nav_;
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std::string role_;
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std::string implementation_;
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bool flag_enable_fpga;
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unsigned int channel_;
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Gnss_Synchro gnss_synchro_;
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Gnss_Signal gnss_signal_;
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bool connected_;
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bool repeat_;
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ChannelFsm channel_fsm_;
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boost::shared_ptr<gr::msg_queue> queue_;
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};
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#endif /*GNSS_SDR_CHANNEL_H_*/
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