1 /* -*- c++ -*- */
2 /*
3  * Copyright 2005,2010,2013-2014 Free Software Foundation, Inc.
4  *
5  * This file is part of GNU Radio
6  *
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 3, or (at your option)
10  * any later version.
11  *
12  * GNU Radio is distributed in the hope that it will be useful,
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.
16  *
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.
21  */
22 
23 #if HAVE_CONFIG_H
24 #include "config.h"
25 #endif
26 
27 #include "unpack_k_bits_bb_impl.h"
28 #include <gnuradio/io_signature.h>
29 #include <iostream>
30 #include <stdexcept>
31 
32 namespace gr {
33 namespace blocks {
34 
make(unsigned k)35 unpack_k_bits_bb::sptr unpack_k_bits_bb::make(unsigned k)
36 {
37     return gnuradio::get_initial_sptr(new unpack_k_bits_bb_impl(k));
38 }
39 
unpack_k_bits_bb_impl(unsigned k)40 unpack_k_bits_bb_impl::unpack_k_bits_bb_impl(unsigned k)
41     : sync_interpolator("unpack_k_bits_bb",
42                         io_signature::make(1, 1, sizeof(unsigned char)),
43                         io_signature::make(1, 1, sizeof(unsigned char)),
44                         k)
45 {
46     d_unpack = new kernel::unpack_k_bits(k);
47 }
48 
~unpack_k_bits_bb_impl()49 unpack_k_bits_bb_impl::~unpack_k_bits_bb_impl() { delete d_unpack; }
50 
work(int noutput_items,gr_vector_const_void_star & input_items,gr_vector_void_star & output_items)51 int unpack_k_bits_bb_impl::work(int noutput_items,
52                                 gr_vector_const_void_star& input_items,
53                                 gr_vector_void_star& output_items)
54 {
55     const unsigned char* in = (const unsigned char*)input_items[0];
56     unsigned char* out = (unsigned char*)output_items[0];
57 
58     d_unpack->unpack(out, in, noutput_items / d_unpack->k());
59 
60     return noutput_items;
61 }
62 
63 } /* namespace blocks */
64 } /* namespace gr */
65