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/* -*- c++ -*- */
/*
* Copyright 2004-2006,2011 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_OFDM_CYCLIC_PREFIXER_H
#define INCLUDED_DIGITAL_OFDM_CYCLIC_PREFIXER_H
#include <digital_api.h>
#include <gr_sync_interpolator.h>
#include <stdio.h>
class digital_ofdm_cyclic_prefixer;
typedef boost::shared_ptr<digital_ofdm_cyclic_prefixer> digital_ofdm_cyclic_prefixer_sptr;
DIGITAL_API digital_ofdm_cyclic_prefixer_sptr
digital_make_ofdm_cyclic_prefixer (size_t input_size, size_t output_size);
/*!
* \brief adds a cyclic prefix vector to an input size long ofdm
* symbol(vector) and converts vector to a stream output_size long.
* \ingroup ofdm_blk
*/
class DIGITAL_API digital_ofdm_cyclic_prefixer : public gr_sync_interpolator
{
friend DIGITAL_API digital_ofdm_cyclic_prefixer_sptr
digital_make_ofdm_cyclic_prefixer (size_t input_size, size_t output_size);
protected:
digital_ofdm_cyclic_prefixer (size_t input_size, size_t output_size);
public:
int work (int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
private:
size_t d_input_size;
size_t d_output_size;
};
#endif /* INCLUDED_DIGITAL_OFDM_CYCLIC_PREFIXER_H */
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