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gnss-sdr/src/algorithms/channel/adapters/channel.h
2017-05-05 17:08:49 +02:00

108 lines
3.7 KiB
C++

/*!
* \file channel.h
* \brief Interface of a GNSS channel.
* \author Carlos Aviles, 2010. carlos.avilesr(at)googlemail.com
* Luis Esteve, 2011. luis(at)epsilon-formacion.com
*
* It holds blocks for acquisition, tracking,
* navigation data extraction and pseudorange calculation.
*
* -------------------------------------------------------------------------
*
* Copyright (C) 2010-2015 (see AUTHORS file for a list of contributors)
*
* GNSS-SDR is a software defined Global Navigation
* Satellite Systems receiver
*
* This file is part of GNSS-SDR.
*
* GNSS-SDR is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GNSS-SDR is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
*
* -------------------------------------------------------------------------
*/
#ifndef GNSS_SDR_CHANNEL_H_
#define GNSS_SDR_CHANNEL_H_
#include <memory>
#include <string>
#include <gnuradio/msg_queue.h>
#include <gnuradio/block.h>
#include "channel_interface.h"
#include "channel_fsm.h"
#include "gnss_synchro.h"
#include "channel_msg_receiver_cc.h"
class ConfigurationInterface;
class AcquisitionInterface;
class TrackingInterface;
class TelemetryDecoderInterface;
/*!
* \brief This class represents a GNSS channel. It wraps an AcquisitionInterface,
* a Tracking Interface and a TelemetryDecoderInterface, and handles
* their interaction through a Finite State Machine
*
*/
class Channel: public ChannelInterface
{
public:
//! Constructor
Channel(ConfigurationInterface *configuration, unsigned int channel,
std::shared_ptr<GNSSBlockInterface> pass_through, std::shared_ptr<AcquisitionInterface> acq,
std::shared_ptr<TrackingInterface> trk, std::shared_ptr<TelemetryDecoderInterface> nav,
std::string role, std::string implementation,
boost::shared_ptr<gr::msg_queue> queue);
//! Virtual destructor
virtual ~Channel();
void connect(gr::top_block_sptr top_block);
void disconnect(gr::top_block_sptr top_block);
gr::basic_block_sptr get_left_block();
gr::basic_block_sptr get_right_block();
std::string role(){ return role_; }
//! Returns "Channel"
std::string implementation(){ return implementation_; }
size_t item_size(){ return 0; }
Gnss_Signal get_signal() const { return gnss_signal_; }
std::shared_ptr<AcquisitionInterface> acquisition(){ return acq_; }
std::shared_ptr<TrackingInterface> tracking(){ return trk_; }
std::shared_ptr<TelemetryDecoderInterface> telemetry(){ return nav_; }
void start_acquisition(); //!< Start the State Machine
void set_signal(const Gnss_Signal& gnss_signal_); //!< Sets the channel GNSS signal
void msg_handler_events(pmt::pmt_t msg);
private:
channel_msg_receiver_cc_sptr channel_msg_rx;
std::shared_ptr<GNSSBlockInterface> pass_through_;
std::shared_ptr<AcquisitionInterface> acq_;
std::shared_ptr<TrackingInterface> trk_;
std::shared_ptr<TelemetryDecoderInterface> nav_;
std::string role_;
std::string implementation_;
bool flag_enable_fpga;
unsigned int channel_;
Gnss_Synchro gnss_synchro_;
Gnss_Signal gnss_signal_;
bool connected_;
bool repeat_;
ChannelFsm channel_fsm_;
boost::shared_ptr<gr::msg_queue> queue_;
};
#endif /*GNSS_SDR_CHANNEL_H_*/