diff options
| author | Johnathan Corgan <johnathan@corganlabs.com> | 2013-04-29 20:59:55 -0700 |
|---|---|---|
| committer | Johnathan Corgan <johnathan@corganlabs.com> | 2013-04-29 20:59:55 -0700 |
| commit | bc462ac6f6841c16fe3f6a777f32589c3b546aba (patch) | |
| tree | c3561c5c8570caa004e4dedd977d548659920e51 /gr-digital/include/gnuradio/digital/scrambler_bb.h | |
| parent | a23eb76138baad68e2a6eb6a53b2d7f87bc1288a (diff) | |
digital: moved include dir to gnuradio/digital
Diffstat (limited to 'gr-digital/include/gnuradio/digital/scrambler_bb.h')
| -rw-r--r-- | gr-digital/include/gnuradio/digital/scrambler_bb.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/gr-digital/include/gnuradio/digital/scrambler_bb.h b/gr-digital/include/gnuradio/digital/scrambler_bb.h new file mode 100644 index 0000000000..4ba83daf60 --- /dev/null +++ b/gr-digital/include/gnuradio/digital/scrambler_bb.h @@ -0,0 +1,60 @@ +/* -*- 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_GR_SCRAMBLER_BB_H +#define INCLUDED_GR_SCRAMBLER_BB_H + +#include <gnuradio/digital/api.h> +#include <gnuradio/sync_block.h> + +namespace gr { + namespace digital { + + /*! + * \brief Scramble an input stream using an LFSR. + * \ingroup coding_blk + * + * \details + * This block works on the LSB only of the input data stream, + * i.e., on an "unpacked binary" stream, and produces the same + * format on its output. + */ + class DIGITAL_API scrambler_bb : virtual public sync_block + { + public: + // gr::digital::scrambler_bb::sptr + typedef boost::shared_ptr<scrambler_bb> sptr; + + /*! + * Make a scramber block. + * + * \param mask Polynomial mask for LFSR + * \param seed Initial shift register contents + * \param len Shift register length + */ + static sptr make(int mask, int seed, int len); + }; + + } /* namespace digital */ +} /* namespace gr */ + +#endif /* INCLUDED_GR_SCRAMBLER_BB_H */ |