diff options
Diffstat (limited to 'gr-digital/lib/digital_additive_scrambler_bb.cc')
-rw-r--r-- | gr-digital/lib/digital_additive_scrambler_bb.cc | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/gr-digital/lib/digital_additive_scrambler_bb.cc b/gr-digital/lib/digital_additive_scrambler_bb.cc deleted file mode 100644 index a8affaa78f..0000000000 --- a/gr-digital/lib/digital_additive_scrambler_bb.cc +++ /dev/null @@ -1,69 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2008,2010,2012 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. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <digital_additive_scrambler_bb.h> -#include <gr_io_signature.h> - -digital_additive_scrambler_bb_sptr -digital_make_additive_scrambler_bb(int mask, int seed, int len, int count) -{ - return gnuradio::get_initial_sptr(new digital_additive_scrambler_bb - (mask, seed, len, count)); -} - -digital_additive_scrambler_bb::digital_additive_scrambler_bb(int mask, - int seed, - int len, - int count) - : gr_sync_block("additive_scrambler_bb", - gr_make_io_signature (1, 1, sizeof (unsigned char)), - gr_make_io_signature (1, 1, sizeof (unsigned char))), - d_lfsr(mask, seed, len), - d_count(count), - d_bits(0) -{ -} - -int -digital_additive_scrambler_bb::work(int noutput_items, - gr_vector_const_void_star &input_items, - gr_vector_void_star &output_items) -{ - const unsigned char *in = (const unsigned char *) input_items[0]; - unsigned char *out = (unsigned char *) output_items[0]; - - for (int i = 0; i < noutput_items; i++) { - out[i] = in[i]^d_lfsr.next_bit(); - if (d_count > 0) { - if (++d_bits == d_count) { - d_lfsr.reset(); - d_bits = 0; - } - } - } - - return noutput_items; -} |