From 39a50c763240da578a05a6b651776804786d813a Mon Sep 17 00:00:00 2001 From: Piotr Krysik Date: Tue, 7 Apr 2009 12:47:18 +0200 Subject: Added files from gr-howto-write-a-block --- src/lib/gsm_receiver.h | 78 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 src/lib/gsm_receiver.h (limited to 'src/lib/gsm_receiver.h') diff --git a/src/lib/gsm_receiver.h b/src/lib/gsm_receiver.h new file mode 100644 index 0000000..092b936 --- /dev/null +++ b/src/lib/gsm_receiver.h @@ -0,0 +1,78 @@ +/* -*- 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 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_HOWTO_SQUARE_FF_H +#define INCLUDED_HOWTO_SQUARE_FF_H + +#include + +class howto_square_ff; + +/* + * We use boost::shared_ptr's instead of raw pointers for all access + * to gr_blocks (and many other data structures). The shared_ptr gets + * us transparent reference counting, which greatly simplifies storage + * management issues. This is especially helpful in our hybrid + * C++ / Python system. + * + * See http://www.boost.org/libs/smart_ptr/smart_ptr.htm + * + * As a convention, the _sptr suffix indicates a boost::shared_ptr + */ +typedef boost::shared_ptr howto_square_ff_sptr; + +/*! + * \brief Return a shared_ptr to a new instance of howto_square_ff. + * + * To avoid accidental use of raw pointers, howto_square_ff's + * constructor is private. howto_make_square_ff is the public + * interface for creating new instances. + */ +howto_square_ff_sptr howto_make_square_ff (); + +/*! + * \brief square a stream of floats. + * \ingroup block + * + * \sa howto_square2_ff for a version that subclasses gr_sync_block. + */ +class howto_square_ff : public gr_block +{ +private: + // The friend declaration allows howto_make_square_ff to + // access the private constructor. + + friend howto_square_ff_sptr howto_make_square_ff (); + + howto_square_ff (); // private constructor + + public: + ~howto_square_ff (); // public destructor + + // Where all the action really happens + + int general_work (int noutput_items, + gr_vector_int &ninput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items); +}; + +#endif /* INCLUDED_HOWTO_SQUARE_FF_H */ -- cgit v1.2.3