gr_fir_filter_fff.h

gnuradio软件无线电源程序.现在的手机多基于软件无线电

/* -*- c++ -*- */
/*
 * Copyright 2004 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 2, 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., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

/*
 * WARNING: This file is automatically generated by generate_gr_fir_filter_XXX.py
 * Any changes made to this file will be overwritten.
 */

#ifndef INCLUDED_GR_FIR_FILTER_FFF_H
#define	INCLUDED_GR_FIR_FILTER_FFF_H

#include <gr_sync_decimator.h>

class gr_fir_filter_fff;
typedef boost::shared_ptr<gr_fir_filter_fff> gr_fir_filter_fff_sptr;
gr_fir_filter_fff_sptr gr_make_fir_filter_fff (int decimation, const std::vector<float> &taps);

class gr_fir_fff;

/*!
 * \brief FIR filter with float input, float output and float taps
 * \ingroup filter
 */
class gr_fir_filter_fff : public gr_sync_decimator
{
 private:
  friend gr_fir_filter_fff_sptr gr_make_fir_filter_fff (int decimation, const std::vector<float> &taps);

  gr_fir_fff		*d_fir;
  std::vector<float>	d_new_taps;
  bool			d_updated;

  /*!
   * Construct a FIR filter with the given taps
   */
  gr_fir_filter_fff (int decimation, const std::vector<float> &taps);

 public:
  ~gr_fir_filter_fff ();

  void set_taps (const std::vector<float> &taps);

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

#endif