mirror of https://github.com/gnss-sdr/gnss-sdr
133 lines
3.7 KiB
C++
133 lines
3.7 KiB
C++
/*!
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* \file nsr_file_signal_source.h
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* \brief Implementation of a class that reads signals samples from a NSR 2 bits sampler front-end file
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* and adapts it to a SignalSourceInterface. More information about the front-end here
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* http://www.ifen.com/products/sx-scientific-gnss-solutions/nsr-software-receiver.html
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* \author Javier Arribas, 2013 jarribas(at)cttc.es
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*
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* This class represents a file signal source.
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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_NSR_FILE_SIGNAL_SOURCE_H_
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#define GNSS_SDR_NSR_FILE_SIGNAL_SOURCE_H_
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#include <string>
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#include <gnuradio/blocks/file_source.h>
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#include <gnuradio/blocks/file_sink.h>
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#include <gnuradio/blocks/throttle.h>
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#include <gnuradio/hier_block2.h>
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#include <gnuradio/msg_queue.h>
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#include "gnss_block_interface.h"
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#include "unpack_byte_2bit_samples.h"
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class ConfigurationInterface;
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/*!
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* \brief Class that reads signals samples from a file
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* and adapts it to a SignalSourceInterface
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*/
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class NsrFileSignalSource: public GNSSBlockInterface
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{
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public:
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NsrFileSignalSource(ConfigurationInterface* configuration, std::string role,
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unsigned int in_streams, unsigned int out_streams,
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boost::shared_ptr<gr::msg_queue> queue);
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virtual ~NsrFileSignalSource();
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inline std::string role() override
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{
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return role_;
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}
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/*!
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* \brief Returns "Nsr_File_Signal_Source".
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*/
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inline std::string implementation() override
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{
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return "Nsr_File_Signal_Source";
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}
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inline size_t item_size() override
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{
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return item_size_;
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}
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void connect(gr::top_block_sptr top_block) override;
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void disconnect(gr::top_block_sptr top_block) override;
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gr::basic_block_sptr get_left_block() override;
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gr::basic_block_sptr get_right_block() override;
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inline std::string filename() const
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{
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return filename_;
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}
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inline std::string item_type() const
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{
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return item_type_;
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}
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inline bool repeat() const
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{
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return repeat_;
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}
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inline long sampling_frequency() const
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{
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return sampling_frequency_;
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}
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inline long samples() const
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{
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return samples_;
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}
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private:
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unsigned long long samples_;
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long sampling_frequency_;
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std::string filename_;
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std::string item_type_;
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bool repeat_;
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bool dump_;
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std::string dump_filename_;
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std::string role_;
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unsigned int in_streams_;
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unsigned int out_streams_;
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gr::blocks::file_source::sptr file_source_;
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unpack_byte_2bit_samples_sptr unpack_byte_;
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boost::shared_ptr<gr::block> valve_;
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gr::blocks::file_sink::sptr sink_;
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gr::blocks::throttle::sptr throttle_;
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boost::shared_ptr<gr::msg_queue> queue_;
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size_t item_size_;
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// Throttle control
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bool enable_throttle_control_;
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};
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#endif /*GNSS_SDR_NSR_FILE_SIGNAL_SOURCE_H_*/
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