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
|
/* -*- c++ -*- */
/*
* Copyright 2008 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 <gpio_and_const_ss.h>
#include <gr_io_signature.h>
gpio_and_const_ss_sptr
gpio_make_and_const_ss (unsigned short k)
{
return gpio_and_const_ss_sptr (new gpio_and_const_ss (k));
}
gpio_and_const_ss::gpio_and_const_ss (unsigned short k)
: gr_sync_block ("and_const_ss",
gr_make_io_signature (1, 1, sizeof (short)),
gr_make_io_signature (1, 1, sizeof (short))),
d_k (k)
{
}
int
gpio_and_const_ss::work (int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
short *iptr = (short *) input_items[0];
short *optr = (short *) output_items[0];
int size = noutput_items;
while (size >= 8){
*optr++ = *iptr++ & d_k;
*optr++ = *iptr++ & d_k;
*optr++ = *iptr++ & d_k;
*optr++ = *iptr++ & d_k;
*optr++ = *iptr++ & d_k;
*optr++ = *iptr++ & d_k;
*optr++ = *iptr++ & d_k;
*optr++ = *iptr++ & d_k;
size -= 8;
}
while (size-- > 0)
*optr++ = *iptr++ & d_k;
return noutput_items;
}
|
