<!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"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.3"/>
<title>GNU Radio 3.6.4.1 C++ API: threshold_ff_impl.h Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<script type="text/javascript">
$(document).ready(initResizable);
$(window).load(resizeHeight);
</script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td style="padding-left: 0.5em;">
<div id="projectname">GNU Radio 3.6.4.1 C++ API
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.3 -->
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
<div id="nav-tree">
<div id="nav-tree-contents">
<div id="nav-sync" class="sync"></div>
</div>
</div>
<div id="splitbar" style="-moz-user-select:none;"
class="ui-resizable-handle">
</div>
</div>
<script type="text/javascript">
$(document).ready(function(){initNavTree('threshold__ff__impl_8h_source.html','');});
</script>
<div id="doc-content">
<div class="header">
<div class="headertitle">
<div class="title">threshold_ff_impl.h</div> </div>
</div><!--header-->
<div class="contents">
<a href="threshold__ff__impl_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* -*- c++ -*- */</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright 2004,2013 Free Software Foundation, Inc.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * This file is part of GNU Radio</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * GNU Radio is free software; you can redistribute it and/or modify</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * it under the terms of the GNU General Public License as published by</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * the Free Software Foundation; either version 3, or (at your option)</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * any later version.</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * GNU Radio is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * GNU General Public License for more details.</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * You should have received a copy of the GNU General Public License</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * along with GNU Radio; see the file COPYING. If not, write to</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * the Free Software Foundation, Inc., 51 Franklin Street,</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * Boston, MA 02110-1301, USA.</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#ifndef INCLUDED_GR_THRESHOLD_FF_IMPL_H</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#define INCLUDED_GR_THRESHOLD_FF_IMPL_H</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <<a class="code" href="threshold__ff_8h.html">blocks/threshold_ff.h</a>></span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">namespace </span>gr {</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keyword">namespace </span>blocks {</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a name="l00031"></a><span class="lineno"><a class="code" href="classgr_1_1blocks_1_1threshold__ff__impl.html"> 31</a></span>  <span class="keyword">class </span><a class="code" href="classgr_1_1blocks_1_1threshold__ff__impl.html">threshold_ff_impl</a> : <span class="keyword">public</span> <a class="code" href="classgr_1_1blocks_1_1threshold__ff.html" title="Output a 1 or zero based on a threshold value.Test the incoming signal against a threshold. If the signal excedes the hi value, it will output a 1 until the signal falls below the lo value.">threshold_ff</a></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  {</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">private</span>:</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordtype">float</span> d_lo, d_hi; <span class="comment">// the constant</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordtype">float</span> d_last_state;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <a class="code" href="classgr_1_1blocks_1_1threshold__ff__impl.html#a5d68c70d4214dbd6b0e22b25dd54a938">threshold_ff_impl</a>(<span class="keywordtype">float</span> <a class="code" href="classgr_1_1blocks_1_1threshold__ff__impl.html#a8ac0e8ef80f66c8e8deff8c502d3daa1">lo</a>, <span class="keywordtype">float</span> <a class="code" href="classgr_1_1blocks_1_1threshold__ff__impl.html#a5c94a5e2706627cfa506f4a3661df58e">hi</a>,</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordtype">float</span> initial_state=0);</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <a class="code" href="classgr_1_1blocks_1_1threshold__ff__impl.html#a10fa7b06576680164c8cc3ac5fd424e2">~threshold_ff_impl</a>();</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="code" href="classgr_1_1blocks_1_1threshold__ff__impl.html#a8ac0e8ef80f66c8e8deff8c502d3daa1"> 42</a></span>  <span class="keywordtype">float</span> <a class="code" href="classgr_1_1blocks_1_1threshold__ff__impl.html#a8ac0e8ef80f66c8e8deff8c502d3daa1">lo</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d_lo; }</div>
<div class="line"><a name="l00043"></a><span class="lineno"><a class="code" href="classgr_1_1blocks_1_1threshold__ff__impl.html#ae2bde795e45827ebdb7ac2ecc9dab2f6"> 43</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgr_1_1blocks_1_1threshold__ff__impl.html#ae2bde795e45827ebdb7ac2ecc9dab2f6">set_lo</a>(<span class="keywordtype">float</span> lo) { d_lo = <a class="code" href="classgr_1_1blocks_1_1threshold__ff__impl.html#a8ac0e8ef80f66c8e8deff8c502d3daa1">lo</a>; }</div>
<div class="line"><a name="l00044"></a><span class="lineno"><a class="code" href="classgr_1_1blocks_1_1threshold__ff__impl.html#a5c94a5e2706627cfa506f4a3661df58e"> 44</a></span>  <span class="keywordtype">float</span> <a class="code" href="classgr_1_1blocks_1_1threshold__ff__impl.html#a5c94a5e2706627cfa506f4a3661df58e">hi</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d_hi; }</div>
<div class="line"><a name="l00045"></a><span class="lineno"><a class="code" href="classgr_1_1blocks_1_1threshold__ff__impl.html#a4dd7fa9e0f69235466bbba0aa4b2c871"> 45</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgr_1_1blocks_1_1threshold__ff__impl.html#a4dd7fa9e0f69235466bbba0aa4b2c871">set_hi</a>(<span class="keywordtype">float</span> hi) { d_hi = <a class="code" href="classgr_1_1blocks_1_1threshold__ff__impl.html#a5c94a5e2706627cfa506f4a3661df58e">hi</a>; }</div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="code" href="classgr_1_1blocks_1_1threshold__ff__impl.html#aac7dfb99a7c811f9c397e2345c07b37f"> 46</a></span>  <span class="keywordtype">float</span> <a class="code" href="classgr_1_1blocks_1_1threshold__ff__impl.html#aac7dfb99a7c811f9c397e2345c07b37f">last_state</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d_last_state; }</div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="code" href="classgr_1_1blocks_1_1threshold__ff__impl.html#a1ee2a12a5254ea0d15cecc66792af211"> 47</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgr_1_1blocks_1_1threshold__ff__impl.html#a1ee2a12a5254ea0d15cecc66792af211">set_last_state</a>(<span class="keywordtype">float</span> <a class="code" href="classgr_1_1blocks_1_1threshold__ff__impl.html#aac7dfb99a7c811f9c397e2345c07b37f">last_state</a>) { d_last_state = <a class="code" href="classgr_1_1blocks_1_1threshold__ff__impl.html#aac7dfb99a7c811f9c397e2345c07b37f">last_state</a>; }</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordtype">int</span> <a class="code" href="classgr_1_1blocks_1_1threshold__ff__impl.html#aed803556d3c9c47acf86f1c3c21f615b" 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,</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <a class="code" href="gr__types_8h.html#a9852a3d906d823cb70eb9c29e7f2a43d">gr_vector_const_void_star</a> &input_items,</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="code" href="gr__types_8h.html#acd3f499576e769966ea44554b359d949">gr_vector_void_star</a> &output_items);</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  };</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  } <span class="comment">/* namespace blocks */</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> } <span class="comment">/* namespace gr */</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#endif </span><span class="comment">/* INCLUDED_GR_THRESHOLD_FF_IMPL_H */</span><span class="preprocessor"></span></div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="navelem"><a class="el" href="dir_163b61ceea2e02982ffc042218391854.html">gr-blocks</a></li><li class="navelem"><a class="el" href="dir_15d994c021202dfc6f700e3d0f5c0046.html">lib</a></li><li class="navelem"><a class="el" href="threshold__ff__impl_8h.html">threshold_ff_impl.h</a></li>
<li class="footer">Generated on Fri Apr 19 2013 16:20:34 for GNU Radio 3.6.4.1 C++ API by
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.3 </li>
</ul>
</div>
</body>
</html>
