2011-10-01 18:45:20 +00:00
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/*!
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* \file channel.h
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* \brief This class represents 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) 2010-2011 (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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2011-12-28 03:05:37 +00:00
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#ifndef GNSS_SDR_CHANNEL_H_
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#define GNSS_SDR_CHANNEL_H_
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2011-10-01 18:45:20 +00:00
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#include <gnuradio/gr_null_sink.h>
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#include <gnuradio/gr_msg_queue.h>
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#include "channel_interface.h"
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#include "gps_l1_ca_channel_fsm.h"
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#include "control_message_factory.h"
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#include "concurrent_queue.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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//class GpsL1CaChannelFsm;
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/*!
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* \brief This class represents a GNSS channel.
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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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GNSSBlockInterface *pass_through, AcquisitionInterface *acq,
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TrackingInterface *trk, TelemetryDecoderInterface *nav,
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std::string role, std::string implementation,
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gr_msg_queue_sptr 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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std::string implementation(){ return "Channel";}
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size_t item_size(){ return 0;}
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unsigned int satellite(){ return satellite_;}
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AcquisitionInterface* acquisition(){ return acq_;}
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TrackingInterface* tracking(){ return trk_;}
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TelemetryDecoderInterface* telemetry(){ return nav_;}
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void start_acquisition();
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void set_satellite(unsigned int satellite);
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void start();
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void stop();
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private:
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GNSSBlockInterface *pass_through_;
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AcquisitionInterface *acq_;
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TrackingInterface *trk_;
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TelemetryDecoderInterface *nav_;
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std::string role_;
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std::string implementation_;
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unsigned int channel_;
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unsigned int satellite_;
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bool connected_;
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bool stop_;
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int message_;
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bool repeat_;
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GpsL1CaChannelFsm channel_fsm_;
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gr_msg_queue_sptr queue_;
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concurrent_queue<int> channel_internal_queue_;
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boost::thread ch_thread_;
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void run();
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void process_channel_messages();
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};
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2011-12-28 03:05:37 +00:00
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#endif /*GNSS_SDR_CHANNEL_H_*/
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