78 lines
2.5 KiB
C++
78 lines
2.5 KiB
C++
/* -*- c++ -*- */
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/*
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* Copyright 2004 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 2, 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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef INCLUDED_REPEATER_SLICER_FF_H
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#define INCLUDED_REPEATER_SLICER_FF_H
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#include <gr_sync_block.h>
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class repeater_fsk4_slicer_fb;
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/*
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* We use boost::shared_ptr's instead of raw pointers for all access
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* to gr_blocks (and many other data structures). The shared_ptr gets
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* us transparent reference counting, which greatly simplifies storage
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* management issues. This is especially helpful in our hybrid
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* C++ / Python system.
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*
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* See http://www.boost.org/libs/smart_ptr/smart_ptr.htm
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*
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* As a convention, the _sptr suffix indicates a boost::shared_ptr
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*/
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typedef boost::shared_ptr<repeater_fsk4_slicer_fb> repeater_fsk4_slicer_fb_sptr;
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/*!
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* \brief Return a shared_ptr to a new instance of repeater_fsk4_slicer_fb.
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*
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* To avoid accidental use of raw pointers, repeater_fsk4_slicer_fb's
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* constructor is private. repeater_make_fsk4_slicer_fb is the public
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* interface for creating new instances.
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*/
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repeater_fsk4_slicer_fb_sptr repeater_make_fsk4_slicer_fb ();
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/*!
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* \brief produce a stream of dibits, given a stream of floats in [-3,-1,1,3]
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* \ingroup block
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*
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* This uses the preferred technique: subclassing gr_sync_block.
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*/
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class repeater_fsk4_slicer_fb : public gr_sync_block
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{
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private:
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// The friend declaration allows repeater_make_fsk4_slicer_fb to
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// access the private constructor.
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friend repeater_fsk4_slicer_fb_sptr repeater_make_fsk4_slicer_fb ();
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repeater_fsk4_slicer_fb (); // private constructor
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public:
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~repeater_fsk4_slicer_fb (); // public destructor
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// Where all the action really happens
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int work (int noutput_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 /* INCLUDED_REPEATER_SLICER_FF_H */
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