/* -*- c++ -*- */ /* * Copyright 2007,2011,2012 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_SAMPLER_IMPL_H #define INCLUDED_DIGITAL_OFDM_SAMPLER_IMPL_H #include <digital/ofdm_sampler.h> #include <gr_sync_block.h> namespace gr { namespace digital { class ofdm_sampler_impl : public ofdm_sampler { private: enum state_t {STATE_NO_SIG, STATE_PREAMBLE, STATE_FRAME}; state_t d_state; unsigned int d_timeout_max; unsigned int d_timeout; unsigned int d_fft_length; unsigned int d_symbol_length; public: ofdm_sampler_impl(unsigned int fft_length, unsigned int symbol_length, unsigned int timeout=1000); ~ofdm_sampler_impl(); void forecast(int noutput_items, gr_vector_int &ninput_items_required); int general_work(int noutput_items, gr_vector_int &ninput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items); }; } /* namespace digital */ } /* namespace gr */ #endif /* INCLUDED_DIGITAL_OFDM_SAMPLER_IMPL_H */