3 * Copyright 2006 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2, or (at your option)
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13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
23 #ifndef INCLUDED_GR_UNPACK_K_BITS_BB_H
24 #define INCLUDED_GR_UNPACK_K_BITS_BB_H
26 #include <gr_sync_interpolator.h>
28 class gr_unpack_k_bits_bb;
29 typedef boost::shared_ptr<gr_unpack_k_bits_bb> gr_unpack_k_bits_bb_sptr;
30 gr_unpack_k_bits_bb_sptr gr_make_unpack_k_bits_bb (unsigned k);
32 class gr_unpack_k_bits_bb;
35 * \brief Converts a byte with k relevent bits to k output bytes with 1 bit in the LSB
37 class gr_unpack_k_bits_bb : public gr_sync_interpolator
40 friend gr_unpack_k_bits_bb_sptr gr_make_unpack_k_bits_bb (unsigned k);
42 gr_unpack_k_bits_bb (unsigned k);
44 unsigned d_k; // number of relevent bits to unpack into k output bytes
47 ~gr_unpack_k_bits_bb ();
49 int work (int noutput_items,
50 gr_vector_const_void_star &input_items,
51 gr_vector_void_star &output_items);