/* -*- c++ -*- */
/*
 * Copyright 2004,2007,2012 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_CHANNELS_SRO_MODEL_CC_IMPL_H
#define INCLUDED_CHANNELS_SRO_MODEL_CC_IMPL_H

#include <gnuradio/analog/fastnoise_source.h>
#include <gnuradio/channels/sro_model.h>
#include <gnuradio/filter/mmse_fir_interpolator_cc.h>
#include <gnuradio/filter/mmse_interpolator_cc.h>

namespace gr {
namespace channels {

class CHANNELS_API sro_model_impl : public sro_model
{
private:
    float d_mu;
    float d_mu_inc;
    float d_sro;
    float d_samp_rate;
    float d_max_dev_hz;
    float d_std_dev_hz;
    gr::filter::mmse_fir_interpolator_cc* d_interp;
    gr::analog::fastnoise_source_f::sptr d_noise;
    double d_noise_seed;

public:
    sro_model_impl(double sample_rate_hz,
                   double std_dev_hz,
                   double max_dev_hz,
                   double noise_seed = 0);
    ~sro_model_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);

    float mu() const;
    float interp_ratio() const;
    void set_mu(float mu);
    void set_interp_ratio(float interp_ratio);
    void setup_rpc();

    void set_std_dev(double _dev)
    {
        d_std_dev_hz = _dev;
        d_noise =
            gr::analog::fastnoise_source_f::make(analog::GR_GAUSSIAN, _dev, d_noise_seed);
    }
    void set_max_dev(double _dev) { d_max_dev_hz = _dev; }
    void set_samp_rate(double _rate) { d_samp_rate = _rate; }

    double std_dev() const { return d_std_dev_hz; }
    double max_dev() const { return d_max_dev_hz; }
    double samp_rate() const { return d_samp_rate; }
};

} // namespace channels
} /* namespace gr */

#endif
