ofdm_synchronizer_cc_impl.h

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/* -*- c++ -*- */
/*
 * Copyright 2019 Free Software Foundation, Inc..
 *
 * This is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3, or (at your option)
 * any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this software; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */

#ifndef INCLUDED_INSPECTOR_OFDM_SYNCHRONIZER_CC_IMPL_H
#define INCLUDED_INSPECTOR_OFDM_SYNCHRONIZER_CC_IMPL_H

#include <gnuradio/blocks/rotator.h>
#include <inspector/ofdm_synchronizer_cc.h>

namespace gr {
namespace inspector {

class ofdm_synchronizer_cc_impl : public ofdm_synchronizer_cc
{
private:
    int d_fft_len, d_cp_len, d_tag_pos, d_min_items;
    bool d_msg_received;
    blocks::rotator d_rotator;
    gr::thread::mutex d_mutex;

public:
    ofdm_synchronizer_cc_impl(int min_items);
    ~ofdm_synchronizer_cc_impl();

    void handle_msg(pmt::pmt_t msg);
    std::vector<gr_complex> autocorr(const gr_complex* in, int len);

    // Where all the action really happens
    int work(int noutput_items,
             gr_vector_const_void_star& input_items,
             gr_vector_void_star& output_items);
};

} // namespace inspector
} // namespace gr

#endif /* INCLUDED_INSPECTOR_OFDM_SYNCHRONIZER_CC_IMPL_H */