GNU Radio C++ API
digital_ofdm_sampler.h
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/* -*- c++ -*- */
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/*
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* Copyright 2007,2011 Free Software Foundation, Inc.
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*
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* This file is part of GNU Radio
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*
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* GNU Radio 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, or (at your option)
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* any later version.
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*
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* GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDED_DIGITAL_OFDM_SAMPLER_H
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#define INCLUDED_DIGITAL_OFDM_SAMPLER_H
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#include <
digital_api.h
>
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#include <
gr_sync_block.h
>
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class
digital_ofdm_sampler
;
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typedef
boost::shared_ptr<digital_ofdm_sampler>
digital_ofdm_sampler_sptr
;
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DIGITAL_API
digital_ofdm_sampler_sptr
digital_make_ofdm_sampler
(
unsigned
int
fft_length,
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unsigned
int
symbol_length,
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unsigned
int
timeout=1000);
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/*!
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* \brief does the rest of the OFDM stuff
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* \ingroup ofdm_blk
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*/
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class
DIGITAL_API
digital_ofdm_sampler
:
public
gr_block
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{
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friend
DIGITAL_API
digital_ofdm_sampler_sptr
digital_make_ofdm_sampler
(
unsigned
int
fft_length,
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unsigned
int
symbol_length,
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unsigned
int
timeout);
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digital_ofdm_sampler
(
unsigned
int
fft_length,
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unsigned
int
symbol_length,
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unsigned
int
timeout);
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private
:
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enum
state_t {STATE_NO_SIG, STATE_PREAMBLE, STATE_FRAME};
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state_t d_state;
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unsigned
int
d_timeout_max;
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unsigned
int
d_timeout;
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unsigned
int
d_fft_length;
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unsigned
int
d_symbol_length;
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public
:
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void
forecast
(
int
noutput_items,
gr_vector_int
&ninput_items_required);
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int
general_work
(
int
noutput_items,
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gr_vector_int
&ninput_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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};
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#endif
gr-digital
include
digital_ofdm_sampler.h
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