mirror of https://github.com/gnss-sdr/gnss-sdr
59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
/*!
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* \file unpack_short_byte_samples.cc
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*
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* \brief Unpacks shorts samples to byte samples (1 short = 2 byte samples).
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* Packing Order
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* Packing order in Nibble I0 I1
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* \author Javier Arribas jarribas (at) cttc.es
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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) 2010-2022 (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_UNPACK_SHORT_BYTE_SAMPLES_H
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#define GNSS_SDR_UNPACK_SHORT_BYTE_SAMPLES_H
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#include "gnss_block_interface.h"
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#include <gnuradio/sync_interpolator.h>
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/** \addtogroup Signal_Source
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* \{ */
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/** \addtogroup Signal_Source_gnuradio_blocks
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* \{ */
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class unpack_short_byte_samples;
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using unpack_short_byte_samples_sptr = gnss_shared_ptr<unpack_short_byte_samples>;
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unpack_short_byte_samples_sptr make_unpack_short_byte_samples();
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/*!
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* \brief This class implements conversion between short packet samples to byte samples
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* 1 short = 2 byte samples
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*/
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class unpack_short_byte_samples : public gr::sync_interpolator
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{
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public:
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unpack_short_byte_samples();
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void forecast(int noutput_items, gr_vector_int &ninput_items_required);
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~unpack_short_byte_samples() = default;
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int work(int noutput_items,
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gr_vector_const_void_star &input_items,
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gr_vector_void_star &output_items);
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private:
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friend unpack_short_byte_samples_sptr make_unpack_short_byte_samples_sptr();
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};
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/** \} */
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/** \} */
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#endif // GNSS_SDR_UNPACK_SHORT_BYTE_SAMPLES_H
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