<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>GNU Radio 3.3.0 C++ API: usrp_bytesex.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.6.3 --> <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><span class="comment"></span> <a name="l00025"></a>00025 <span class="comment">/*!</span> <a name="l00026"></a>00026 <span class="comment"> * \brief routines for convertering between host and usrp byte order</span> <a name="l00027"></a>00027 <span class="comment"> *</span> <a name="l00028"></a>00028 <span class="comment"> * Prior to including this file, the user must include "config.h"</span> <a name="l00029"></a>00029 <span class="comment"> * which will or won't define WORDS_BIGENDIAN based on the</span> <a name="l00030"></a>00030 <span class="comment"> * result of the AC_C_BIGENDIAN autoconf test.</span> <a name="l00031"></a>00031 <span class="comment"> */</span> <a name="l00032"></a>00032 <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><a class="code" href="usrp__bytesex_8h.html#a0115e66e52aa67ebda68ef82277279e8">00040</a> <a class="code" href="usrp__bytesex_8h.html#a0115e66e52aa67ebda68ef82277279e8" title="routines for convertering between host and usrp byte order">bswap_16</a> (<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><a class="code" href="usrp__bytesex_8h.html#a5daa96cca5af8f71429474a60445352a">00046</a> <a class="code" href="usrp__bytesex_8h.html#a5daa96cca5af8f71429474a60445352a">bswap_32</a> (<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 <a class="code" href="usrp__bytesex_8h.html#a2019524069173a605ab72a04a85a5de5">host_to_usrp_u32</a> (<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> <a class="code" href="usrp__bytesex_8h.html#a5daa96cca5af8f71429474a60445352a">bswap_32</a>(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 <a class="code" href="usrp__bytesex_8h.html#af2cc6892cbb22d72a8ba095aacb55bed">usrp_to_host_u32</a> (<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> <a class="code" href="usrp__bytesex_8h.html#a5daa96cca5af8f71429474a60445352a">bswap_32</a>(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 <a class="code" href="usrp__bytesex_8h.html#a00939c7e9784b93a72e92f91008d83a9">host_to_usrp_short</a> (<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> <a class="code" href="usrp__bytesex_8h.html#a0115e66e52aa67ebda68ef82277279e8" title="routines for convertering between host and usrp byte order">bswap_16</a> (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 <a class="code" href="usrp__bytesex_8h.html#a9648f0744b310eabe967a79029347a0a">usrp_to_host_short</a> (<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> <a class="code" href="usrp__bytesex_8h.html#a0115e66e52aa67ebda68ef82277279e8" title="routines for convertering between host and usrp byte order">bswap_16</a> (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><a class="code" href="usrp__bytesex_8h.html#a2019524069173a605ab72a04a85a5de5">00083</a> <a class="code" href="usrp__bytesex_8h.html#a2019524069173a605ab72a04a85a5de5">host_to_usrp_u32</a> (<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><a class="code" href="usrp__bytesex_8h.html#af2cc6892cbb22d72a8ba095aacb55bed">00089</a> <a class="code" href="usrp__bytesex_8h.html#af2cc6892cbb22d72a8ba095aacb55bed">usrp_to_host_u32</a> (<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><a class="code" href="usrp__bytesex_8h.html#a00939c7e9784b93a72e92f91008d83a9">00095</a> <a class="code" href="usrp__bytesex_8h.html#a00939c7e9784b93a72e92f91008d83a9">host_to_usrp_short</a> (<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><a class="code" href="usrp__bytesex_8h.html#a9648f0744b310eabe967a79029347a0a">00101</a> <a class="code" href="usrp__bytesex_8h.html#a9648f0744b310eabe967a79029347a0a">usrp_to_host_short</a> (<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> <hr class="footer"/><address style="text-align: right;"><small>Generated on Wed Dec 29 19:51:01 2010 for GNU Radio 3.3.0 C++ API by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.3 </small></address> </body> </html>