/* -*- c++ -*- */
/*
 * Copyright 2014 Free Software Foundation, Inc.
 *
 * This file is part of GNU Radio
 *
 * GNU Radio 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.
 *
 * GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */

#ifndef INCLUDED_DIGITAL_HDLC_DEFRAMER_BP_IMPL_H
#define INCLUDED_DIGITAL_HDLC_DEFRAMER_BP_IMPL_H

#include <gnuradio/digital/hdlc_deframer_bp.h>

namespace gr {
namespace digital {

class hdlc_deframer_bp_impl : public hdlc_deframer_bp
{
private:
    size_t d_length_min;
    size_t d_length_max;
    size_t d_ones;
    size_t d_bytectr;
    size_t d_bitctr;
    unsigned char* d_pktbuf;

    const pmt::pmt_t d_port;

    unsigned int crc_ccitt(unsigned char* data, size_t len);

public:
    hdlc_deframer_bp_impl(int length_min, int length_max);
    ~hdlc_deframer_bp_impl();

    // 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 digital
} // namespace gr

#endif /* INCLUDED_DIGITAL_HDLC_DEFRAMER_BP_IMPL_H */
