/* -*- c++ -*- */
/*
 * Copyright 2008, 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_ANALOG_FMDET_CF_IMPL_H
#define INCLUDED_ANALOG_FMDET_CF_IMPL_H

#include <analog/fmdet_cf.h>
//#include <filter/fir_filter.h>
#include <gr_sync_block.h>

namespace gr {
  namespace analog {

    class fmdet_cf_impl : public fmdet_cf
    {
    private:
      gr_complex d_S1, d_S2, d_S3, d_S4;
      float d_freq, d_freqlo, d_freqhi, d_scl, d_bias;
      //kernel::fir_filter_ccf* d_filter;

    public:
      fmdet_cf_impl(float samplerate, float freq_low,
		    float freq_high, float scl);
      ~fmdet_cf_impl();

      void set_scale(float scl);
      void set_freq_range(float freq_low, float freq_high);

      float freq() const { return d_freq; }
      float freq_high() const { return d_freqhi; }
      float freq_low() const { return d_freqlo; }
      float scale() const { return d_scl; }
      float bias() const { return d_bias; }

      int work(int noutput_items,
	       gr_vector_const_void_star &input_items,
	       gr_vector_void_star &output_items);
    };

  } /* namespace analog */
} /* namespace gr */

#endif /* INCLUDED_ANALOG_FMDET_CF_IMPL_H */