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<h1>usrp_bytesex.h</h1><a href="usrp__bytesex_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- c++ -*- */</span>
<a name="l00002"></a>00002 <span class="comment">/*</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright 2004 Free Software Foundation, Inc.</span>
<a name="l00004"></a>00004 <span class="comment"> * </span>
<a name="l00005"></a>00005 <span class="comment"> * This file is part of GNU Radio</span>
<a name="l00006"></a>00006 <span class="comment"> * </span>
<a name="l00007"></a>00007 <span class="comment"> * GNU Radio is free software; you can redistribute it and/or modify</span>
<a name="l00008"></a>00008 <span class="comment"> * it under the terms of the GNU General Public License as published by</span>
<a name="l00009"></a>00009 <span class="comment"> * the Free Software Foundation; either version 3, or (at your option)</span>
<a name="l00010"></a>00010 <span class="comment"> * any later version.</span>
<a name="l00011"></a>00011 <span class="comment"> * </span>
<a name="l00012"></a>00012 <span class="comment"> * GNU Radio is distributed in the hope that it will be useful,</span>
<a name="l00013"></a>00013 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00014"></a>00014 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00015"></a>00015 <span class="comment"> * GNU General Public License for more details.</span>
<a name="l00016"></a>00016 <span class="comment"> * </span>
<a name="l00017"></a>00017 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
<a name="l00018"></a>00018 <span class="comment"> * along with GNU Radio; see the file COPYING. If not, write to</span>
<a name="l00019"></a>00019 <span class="comment"> * the Free Software Foundation, Inc., 51 Franklin Street,</span>
<a name="l00020"></a>00020 <span class="comment"> * Boston, MA 02110-1301, USA.</span>
<a name="l00021"></a>00021 <span class="comment"> */</span>
<a name="l00022"></a>00022 <span class="preprocessor">#ifndef INCLUDED_USRP_BYTESEX_H</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor">#define INCLUDED_USRP_BYTESEX_H</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span>
<a name="l00033"></a>00033 <span class="preprocessor">#ifdef HAVE_BYTESWAP_H</span>
<a name="l00034"></a>00034 <span class="preprocessor"></span><span class="preprocessor">#include <byteswap.h></span>
<a name="l00035"></a>00035 <span class="preprocessor">#else</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span>
<a name="l00037"></a>00037 <span class="preprocessor">#warning Using non-portable code (likely wrong other than ILP32).</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span>
<a name="l00039"></a>00039 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> <span class="keywordtype">int</span>
<a name="l00040"></a>00040 bswap_16 (<span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> <span class="keywordtype">int</span> x)
<a name="l00041"></a>00041 {
<a name="l00042"></a>00042 <span class="keywordflow">return</span> ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8));
<a name="l00043"></a>00043 }
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>
<a name="l00046"></a>00046 bswap_32 (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> x)
<a name="l00047"></a>00047 {
<a name="l00048"></a>00048 <span class="keywordflow">return</span> ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) \
<a name="l00049"></a>00049 | (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24));
<a name="l00050"></a>00050 }
<a name="l00051"></a>00051 <span class="preprocessor">#endif</span>
<a name="l00052"></a>00052 <span class="preprocessor"></span>
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="preprocessor">#ifdef WORDS_BIGENDIAN</span>
<a name="l00055"></a>00055 <span class="preprocessor"></span>
<a name="l00056"></a>00056 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>
<a name="l00057"></a>00057 host_to_usrp_u32 (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> x)
<a name="l00058"></a>00058 {
<a name="l00059"></a>00059 <span class="keywordflow">return</span> bswap_32(x);
<a name="l00060"></a>00060 }
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>
<a name="l00063"></a>00063 usrp_to_host_u32 (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> x)
<a name="l00064"></a>00064 {
<a name="l00065"></a>00065 <span class="keywordflow">return</span> bswap_32(x);
<a name="l00066"></a>00066 }
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">short</span> <span class="keywordtype">int</span>
<a name="l00069"></a>00069 host_to_usrp_short (<span class="keywordtype">short</span> <span class="keywordtype">int</span> x)
<a name="l00070"></a>00070 {
<a name="l00071"></a>00071 <span class="keywordflow">return</span> bswap_16 (x);
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">short</span> <span class="keywordtype">int</span>
<a name="l00075"></a>00075 usrp_to_host_short (<span class="keywordtype">short</span> <span class="keywordtype">int</span> x)
<a name="l00076"></a>00076 {
<a name="l00077"></a>00077 <span class="keywordflow">return</span> bswap_16 (x);
<a name="l00078"></a>00078 }
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <span class="preprocessor">#else</span>
<a name="l00081"></a>00081 <span class="preprocessor"></span>
<a name="l00082"></a>00082 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>
<a name="l00083"></a>00083 host_to_usrp_u32 (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> x)
<a name="l00084"></a>00084 {
<a name="l00085"></a>00085 <span class="keywordflow">return</span> x;
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>
<a name="l00089"></a>00089 usrp_to_host_u32 (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> x)
<a name="l00090"></a>00090 {
<a name="l00091"></a>00091 <span class="keywordflow">return</span> x;
<a name="l00092"></a>00092 }
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">short</span> <span class="keywordtype">int</span>
<a name="l00095"></a>00095 host_to_usrp_short (<span class="keywordtype">short</span> <span class="keywordtype">int</span> x)
<a name="l00096"></a>00096 {
<a name="l00097"></a>00097 <span class="keywordflow">return</span> x;
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099
<a name="l00100"></a>00100 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">short</span> <span class="keywordtype">int</span>
<a name="l00101"></a>00101 usrp_to_host_short (<span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> <span class="keywordtype">int</span> x)
<a name="l00102"></a>00102 {
<a name="l00103"></a>00103 <span class="keywordflow">return</span> x;
<a name="l00104"></a>00104 }
<a name="l00105"></a>00105
<a name="l00106"></a>00106 <span class="preprocessor">#endif</span>
<a name="l00107"></a>00107 <span class="preprocessor"></span>
<a name="l00108"></a>00108 <span class="preprocessor">#endif </span><span class="comment">/* INCLUDED_USRP_BYTESEX_H */</span>
</pre></div></div>
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distrib
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Mandriva
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