blob: de34c053db18cb4f32116cfcbec9e003d57304d7 (
plain)
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
|
/* -*- 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 2, 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef INCLUDED_USRP_BYTESEX_H
#define INCLUDED_USRP_BYTESEX_H
/*!
* \brief routines for convertering between host and usrp byte order
*
* Prior to including this file, the user must include "config.h"
* which will or won't define WORDS_BIGENDIAN based on the
* result of the AC_C_BIGENDIAN autoconf test.
*/
#ifdef HAVE_BYTESWAP_H
#include <byteswap.h>
#else
static inline unsigned short int
bswap_16 (unsigned short int x)
{
return ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8));
}
#endif
#ifdef WORDS_BIGENDIAN
static inline short int
host_to_usrp_short (short int x)
{
return bswap_16 (x);
}
static inline short int
usrp_to_host_short (short int x)
{
return bswap_16 (x);
}
#else
static inline short int
host_to_usrp_short (short int x)
{
return x;
}
static inline short int
usrp_to_host_short (unsigned short int x)
{
return x;
}
#endif
#endif /* INCLUDED_USRP_BYTESEX_H */
|