mirror of
https://github.com/gnss-sdr/gnss-sdr
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76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
/*!
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* \file four_bit_cpx_file_signal_source.h
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* \brief Interface of a class that reads signals samples from a 2 bit complex sampler front-end file
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* and adapts it to a SignalSourceInterface.
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* \author Javier Arribas, 2015 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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* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
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* This file is part of GNSS-SDR.
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*
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* Copyright (C) 2010-2021 (see AUTHORS file for a list of contributors)
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* SPDX-License-Identifier: GPL-3.0-or-later
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*
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* -----------------------------------------------------------------------------
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*/
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#ifndef GNSS_SDR_FOUR_BIT_CPX_FILE_SIGNAL_SOURCE_H
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#define GNSS_SDR_FOUR_BIT_CPX_FILE_SIGNAL_SOURCE_H
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#include "file_source_base.h"
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#include "gnss_sdr_timestamp.h"
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#include "unpack_byte_4bit_samples.h"
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#include <gnuradio/blocks/interleaved_short_to_complex.h>
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#include <cstddef>
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#include <string>
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#include <tuple>
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/** \addtogroup Signal_Source
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* \{ */
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/** \addtogroup Signal_Source_adapters
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* \{ */
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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 FourBitCpxFileSignalSource : public FileSourceBase
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{
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public:
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FourBitCpxFileSignalSource(const ConfigurationInterface* configuration,
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const std::string& role,
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unsigned int in_streams,
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unsigned int out_streams,
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Concurrent_Queue<pmt::pmt_t>* queue);
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~FourBitCpxFileSignalSource() = default;
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protected:
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std::tuple<size_t, bool> itemTypeToSize() override;
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double packetsPerSample() const override;
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gnss_shared_ptr<gr::block> source() const override;
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void create_file_source_hook() override;
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void pre_connect_hook(gr::top_block_sptr top_block) override;
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void pre_disconnect_hook(gr::top_block_sptr top_block) override;
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private:
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unpack_byte_4bit_samples_sptr unpack_byte_;
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gr::blocks::interleaved_short_to_complex::sptr inter_shorts_to_cpx_;
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gnss_shared_ptr<Gnss_Sdr_Timestamp> timestamp_block_;
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std::string sample_type_;
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std::string timestamp_file_;
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double timestamp_clock_offset_ms_;
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bool reverse_interleaving_;
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};
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/** \} */
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/** \} */
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#endif // GNSS_SDR_FOUR_BIT_CPX_FILE_SIGNAL_SOURCE_H
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