Sophie

Sophie

distrib > Fedora > 14 > x86_64 > media > updates > by-pkgid > 6e7a2755bd78c9deedab199b86e675f3 > files > 3796

gnuradio-doc-3.2.2-9.fc14.x86_64.rpm

<!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 3.2.2 C++ API: gr_check_lfsr_32k_s.h Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript">
$(document).ready(initResizable);
</script>
<link href="doxygen.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<!-- Generated by Doxygen 1.7.3 -->
<div id="top">
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
 <tbody>
 <tr style="height: 56px;">
  <td style="padding-left: 0.5em;">
   <div id="projectname">GNU Radio 3.2.2 C++ API</div>
  </td>
 </tr>
 </tbody>
</table>
</div>
</div>
<div id="side-nav" class="ui-resizable side-nav-resizable">
  <div id="nav-tree">
    <div id="nav-tree-contents">
    </div>
  </div>
  <div id="splitbar" style="-moz-user-select:none;" 
       class="ui-resizable-handle">
  </div>
</div>
<script type="text/javascript">
  initNavTree('gr__check__lfsr__32k__s_8h.html','');
</script>
<div id="doc-content">
<div class="header">
  <div class="headertitle">
<h1>gr_check_lfsr_32k_s.h</h1>  </div>
</div>
<div class="contents">
<a href="gr__check__lfsr__32k__s_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_GR_CHECK_LFSR_32K_S_H</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor">#define INCLUDED_GR_CHECK_LFSR_32K_S_H</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include &lt;gr_sync_block.h&gt;</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include &lt;<a class="code" href="gri__lfsr__32k_8h.html">gri_lfsr_32k.h</a>&gt;</span>
<a name="l00027"></a>00027 
<a name="l00028"></a>00028 
<a name="l00029"></a>00029 <span class="keyword">class </span><a class="code" href="classgr__check__lfsr__32k__s.html" title="sink that checks if its input stream consists of a lfsr_32k sequence.This sink is typically used alon...">gr_check_lfsr_32k_s</a>;
<a name="l00030"></a>00030 <span class="keyword">typedef</span> <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">boost::shared_ptr&lt;gr_check_lfsr_32k_s&gt;</a> <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">gr_check_lfsr_32k_s_sptr</a>;
<a name="l00031"></a>00031 
<a name="l00032"></a>00032 <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">gr_check_lfsr_32k_s_sptr</a> <a class="code" href="gr__check__lfsr__32k__s_8h.html#a477ec6ef12cf85b65e27d079c8b463e4">gr_make_check_lfsr_32k_s</a> ();
<a name="l00033"></a>00033 <span class="comment"></span>
<a name="l00034"></a>00034 <span class="comment">/*!</span>
<a name="l00035"></a>00035 <span class="comment"> * \brief sink that checks if its input stream consists of a lfsr_32k sequence.</span>
<a name="l00036"></a>00036 <span class="comment"> * \ingroup sink_blk</span>
<a name="l00037"></a>00037 <span class="comment"> *</span>
<a name="l00038"></a>00038 <span class="comment"> * This sink is typically used along with gr_lfsr_32k_source_s to test</span>
<a name="l00039"></a>00039 <span class="comment"> * the USRP using its digital loopback mode.</span>
<a name="l00040"></a>00040 <span class="comment"> */</span>
<a name="l00041"></a><a class="code" href="classgr__check__lfsr__32k__s.html">00041</a> <span class="keyword">class </span><a class="code" href="classgr__check__lfsr__32k__s.html" title="sink that checks if its input stream consists of a lfsr_32k sequence.This sink is typically used alon...">gr_check_lfsr_32k_s</a> : <span class="keyword">public</span> <a class="code" href="classgr__sync__block.html" title="synchronous 1:1 input to output with historyOverride work to provide the signal processing implementa...">gr_sync_block</a>
<a name="l00042"></a>00042 {
<a name="l00043"></a>00043   <span class="keyword">friend</span> <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">gr_check_lfsr_32k_s_sptr</a> <a class="code" href="classgr__check__lfsr__32k__s.html#a477ec6ef12cf85b65e27d079c8b463e4">gr_make_check_lfsr_32k_s</a> ();
<a name="l00044"></a>00044 
<a name="l00045"></a>00045   <span class="keyword">enum</span> state {
<a name="l00046"></a>00046     SEARCHING,          <span class="comment">// searching for synchronization</span>
<a name="l00047"></a>00047     MATCH0,
<a name="l00048"></a>00048     MATCH1,
<a name="l00049"></a>00049     MATCH2,
<a name="l00050"></a>00050     LOCKED              <span class="comment">// is locked</span>
<a name="l00051"></a>00051   };
<a name="l00052"></a>00052 
<a name="l00053"></a>00053   state                 d_state;
<a name="l00054"></a>00054   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>          d_history;              <span class="comment">// bitmask of decisions</span>
<a name="l00055"></a>00055   
<a name="l00056"></a>00056   <span class="keywordtype">long</span>                  d_ntotal;               <span class="comment">// total number of shorts</span>
<a name="l00057"></a>00057   <span class="keywordtype">long</span>                  d_nright;               <span class="comment">// # of correct shorts</span>
<a name="l00058"></a>00058   <span class="keywordtype">long</span>                  d_runlength;            <span class="comment">// # of correct shorts in a row</span>
<a name="l00059"></a>00059 
<a name="l00060"></a>00060   <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> BUFSIZE = 2048 - 1;          <span class="comment">// ensure pattern isn&#39;t packet aligned</span>
<a name="l00061"></a>00061   <span class="keywordtype">int</span>                   d_index;
<a name="l00062"></a>00062   <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span>        d_buffer[BUFSIZE];
<a name="l00063"></a>00063 
<a name="l00064"></a>00064 
<a name="l00065"></a>00065   <a class="code" href="classgr__check__lfsr__32k__s.html" title="sink that checks if its input stream consists of a lfsr_32k sequence.This sink is typically used alon...">gr_check_lfsr_32k_s</a> ();
<a name="l00066"></a>00066   
<a name="l00067"></a>00067   <span class="keywordtype">void</span> enter_SEARCHING ();
<a name="l00068"></a>00068   <span class="keywordtype">void</span> enter_MATCH0 ();
<a name="l00069"></a>00069   <span class="keywordtype">void</span> enter_MATCH1 ();
<a name="l00070"></a>00070   <span class="keywordtype">void</span> enter_MATCH2 ();
<a name="l00071"></a>00071   <span class="keywordtype">void</span> enter_LOCKED ();
<a name="l00072"></a>00072 
<a name="l00073"></a>00073   <span class="keywordtype">void</span> right (){
<a name="l00074"></a>00074     d_history = (d_history &lt;&lt; 1) | 0x1;
<a name="l00075"></a>00075     d_nright++;
<a name="l00076"></a>00076     d_runlength++;
<a name="l00077"></a>00077   }
<a name="l00078"></a>00078   
<a name="l00079"></a>00079   <span class="keywordtype">void</span> wrong (){
<a name="l00080"></a>00080     d_history = (d_history &lt;&lt; 1) | 0x0;
<a name="l00081"></a>00081     d_runlength = 0;
<a name="l00082"></a>00082   }
<a name="l00083"></a>00083 
<a name="l00084"></a>00084   <span class="keywordtype">bool</span> right_three_times () { <span class="keywordflow">return</span> (d_history &amp; 0x7) == 0x7; }
<a name="l00085"></a>00085   <span class="keywordtype">bool</span> wrong_three_times () { <span class="keywordflow">return</span> (d_history &amp; 0x7) == 0x0; }
<a name="l00086"></a>00086 
<a name="l00087"></a>00087   <span class="keywordtype">void</span> log_error (<span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> expected, <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> actual);
<a name="l00088"></a>00088 
<a name="l00089"></a>00089  <span class="keyword">public</span>:
<a name="l00090"></a>00090 
<a name="l00091"></a>00091   <span class="keywordtype">int</span> <a class="code" href="classgr__check__lfsr__32k__s.html#a6d3274a565176d4f5f8b52b89fcd392c" title="just like gr_block::general_work, only this arranges to call consume_each for you">work</a> (<span class="keywordtype">int</span> noutput_items,
<a name="l00092"></a>00092             <a class="code" href="classstd_1_1vector.html">gr_vector_const_void_star</a> &amp;input_items,
<a name="l00093"></a>00093             <a class="code" href="classstd_1_1vector.html">gr_vector_void_star</a> &amp;output_items);
<a name="l00094"></a>00094 
<a name="l00095"></a><a class="code" href="classgr__check__lfsr__32k__s.html#a483f708dc01b0377897cfb5786187ca4">00095</a>   <span class="keywordtype">long</span> <a class="code" href="classgr__check__lfsr__32k__s.html#a483f708dc01b0377897cfb5786187ca4">ntotal</a> ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d_ntotal; }
<a name="l00096"></a><a class="code" href="classgr__check__lfsr__32k__s.html#aa000827205a60019727e39b9bc282017">00096</a>   <span class="keywordtype">long</span> <a class="code" href="classgr__check__lfsr__32k__s.html#aa000827205a60019727e39b9bc282017">nright</a> ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d_nright; }
<a name="l00097"></a><a class="code" href="classgr__check__lfsr__32k__s.html#abac105f28682535e83d783ab322a6c18">00097</a>   <span class="keywordtype">long</span> <a class="code" href="classgr__check__lfsr__32k__s.html#abac105f28682535e83d783ab322a6c18">runlength</a> ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d_runlength; }
<a name="l00098"></a>00098 
<a name="l00099"></a>00099 };
<a name="l00100"></a>00100 
<a name="l00101"></a>00101 
<a name="l00102"></a>00102 <span class="preprocessor">#endif </span><span class="comment">/* INCLUDED_GR_CHECK_LFSR_32K_S_H */</span>
</pre></div></div>
</div>
  <div id="nav-path" class="navpath">
    <ul>
      <li class="navelem"><a class="el" href="gr__check__lfsr__32k__s_8h.html">gr_check_lfsr_32k_s.h</a>      </li>
      <li class="footer">Generated on Thu Feb 17 2011 for GNU Radio 3.2.2 C++ API by&#160;
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </li>
    </ul>
  </div>

</body>
</html>

Perl :: Catalyst :: PostgreSQL :: RPM Valid HTML 4.01 Transitional