mirror of https://github.com/gnss-sdr/gnss-sdr
64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
/*!
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* \file unpack_byte_2bit_cpx_samples.h
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*
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* \brief Unpacks byte samples to 2 bits complex samples.
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* Packing Order
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* Most Significant Nibble - Sample n
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* Least Significant Nibble - Sample n+1
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* Packing order in Nibble Q1 Q0 I1 I0
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* \author Javier Arribas jarribas (at) cttc.es
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2010-2018 (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 <https://www.gnu.org/licenses/>.
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*
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* -------------------------------------------------------------------------
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*/
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#ifndef GNSS_SDR_UNPACK_BYTE_2BIT_CPX_SAMPLES_H
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#define GNSS_SDR_UNPACK_BYTE_2BIT_CPX_SAMPLES_H
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#include <gnuradio/sync_interpolator.h>
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class unpack_byte_2bit_cpx_samples;
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using unpack_byte_2bit_cpx_samples_sptr = boost::shared_ptr<unpack_byte_2bit_cpx_samples>;
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unpack_byte_2bit_cpx_samples_sptr make_unpack_byte_2bit_cpx_samples();
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/*!
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* \brief This class implements conversion between byte packet samples to 2bit_cpx samples
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* 1 byte = 2 x complex 2bit I, + 2bit Q samples
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*/
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class unpack_byte_2bit_cpx_samples : public gr::sync_interpolator
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{
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public:
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unpack_byte_2bit_cpx_samples();
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~unpack_byte_2bit_cpx_samples();
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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_byte_2bit_cpx_samples_sptr make_unpack_byte_2bit_cpx_samples_sptr();
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};
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#endif
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