gnss-sdr/src/algorithms/signal_source/adapters/nsr_file_signal_source.h

63 lines
1.9 KiB
C++

/*!
* \file nsr_file_signal_source.h
* \brief Implementation of a class that reads signals samples from a NSR 2 bits sampler front-end file
* and adapts it to a SignalSourceInterface. More information about the front-end here
* http://www.ifen.com/products/sx-scientific-gnss-solutions/nsr-software-receiver.html
* \author Javier Arribas, 2013 jarribas(at)cttc.es
*
* This class represents a file signal source.
*
* -----------------------------------------------------------------------------
*
* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
* This file is part of GNSS-SDR.
*
* Copyright (C) 2010-2021 (see AUTHORS file for a list of contributors)
* SPDX-License-Identifier: GPL-3.0-or-later
*
* -----------------------------------------------------------------------------
*/
#ifndef GNSS_SDR_NSR_FILE_SIGNAL_SOURCE_H
#define GNSS_SDR_NSR_FILE_SIGNAL_SOURCE_H
#include "file_source_base.h"
#include "unpack_byte_2bit_samples.h"
/** \addtogroup Signal_Source
* \{ */
/** \addtogroup Signal_Source_adapters
* \{ */
class ConfigurationInterface;
/*!
* \brief Class that reads signals samples from a file
* and adapts it to a SignalSourceInterface
*/
class NsrFileSignalSource : public FileSourceBase
{
public:
NsrFileSignalSource(const ConfigurationInterface* configuration, const std::string& role,
unsigned int in_streams, unsigned int out_streams,
Concurrent_Queue<pmt::pmt_t>* queue);
~NsrFileSignalSource() = default;
protected:
std::tuple<size_t, bool> itemTypeToSize() override;
double packetsPerSample() const override;
gnss_shared_ptr<gr::block> source() const override;
void create_file_source_hook() override;
void pre_connect_hook(gr::top_block_sptr top_block) override;
void pre_disconnect_hook(gr::top_block_sptr top_block) override;
private:
unpack_byte_2bit_samples_sptr unpack_byte_;
};
/** \} */
/** \} */
#endif // GNSS_SDR_NSR_FILE_SIGNAL_SOURCE_H