1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
/* -*- 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.
*/
/*
* config.h is generated by configure. It contains the results
* of probing for features, options etc. It should be the first
* file included in your .cc file.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <dab_puncture_vbb.h>
#include <gr_io_signature.h>
/*
* Create a new instance of dab_puncture_vbb and return
* a boost shared_ptr. This is effectively the public constructor.
*/
dab_puncture_vbb_sptr
dab_make_puncture_vbb(const std::vector<unsigned char> &puncturing_vector)
{
return gnuradio::get_initial_sptr(new dab_puncture_vbb(puncturing_vector));
}
unsigned int dab_puncture_vbb::ones(const std::vector<unsigned char> &puncturing_vector)
{
unsigned int onescount = 0;
for (unsigned int i = 0; i < puncturing_vector.size(); i++) {
if (puncturing_vector[i] == 1)
onescount++;
}
return onescount;
}
dab_puncture_vbb::dab_puncture_vbb(const std::vector<unsigned char> &puncturing_vector) :
gr_sync_block("puncture_vbb",
gr_make_io_signature(1, 1, sizeof(char) * puncturing_vector.size()),
gr_make_io_signature(1, 1, sizeof(char) * ones(puncturing_vector))),
d_puncturing_vector(puncturing_vector)
{
d_vlen_in = puncturing_vector.size();
d_vlen_out = ones(puncturing_vector);
}
int
dab_puncture_vbb::work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
int i;
unsigned int j;
const char *in = (const char *) input_items[0];
char *out = (char *) output_items[0];
for (i = 0; i < noutput_items; i++) {
for (j = 0; j < d_vlen_in; j++) {
if (d_puncturing_vector[j] == 1) {
*out++ = *in++;
} else
in++;
}
}
return noutput_items;
}
|
