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<h1>gr_squelch_base_cc.h</h1>  </div>
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<a href="gr__squelch__base__cc_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 2006 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 
<a name="l00023"></a>00023 <span class="preprocessor">#ifndef INCLUDED_GR_SQUELCH_BASE_CC_H</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#define INCLUDED_GR_SQUELCH_BASE_CC_H</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include &lt;gr_block.h&gt;</span>
<a name="l00027"></a>00027 
<a name="l00028"></a><a class="code" href="classgr__squelch__base__cc.html">00028</a> <span class="keyword">class </span><a class="code" href="classgr__squelch__base__cc.html">gr_squelch_base_cc</a> : <span class="keyword">public</span> <a class="code" href="classgr__block.html" title="The abstract base class for all &amp;#39;terminal&amp;#39; processing blocks.A signal processing flow is cons...">gr_block</a>
<a name="l00029"></a>00029 {
<a name="l00030"></a>00030 <span class="keyword">private</span>:
<a name="l00031"></a>00031   <span class="keywordtype">int</span>    d_ramp;
<a name="l00032"></a>00032   <span class="keywordtype">int</span>    d_ramped;
<a name="l00033"></a>00033   <span class="keywordtype">bool</span>   d_gate;
<a name="l00034"></a>00034   <span class="keywordtype">double</span> d_envelope;
<a name="l00035"></a>00035   <span class="keyword">enum</span> { ST_MUTED, ST_ATTACK, ST_UNMUTED, ST_DECAY } d_state;
<a name="l00036"></a>00036 
<a name="l00037"></a>00037 <span class="keyword">protected</span>:
<a name="l00038"></a><a class="code" href="classgr__squelch__base__cc.html#abfd6f465a2c52de7da1fe5e4293877dd">00038</a>   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classgr__squelch__base__cc.html#abfd6f465a2c52de7da1fe5e4293877dd">update_state</a>(<span class="keyword">const</span> <a class="code" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> &amp;sample) {};
<a name="l00039"></a><a class="code" href="classgr__squelch__base__cc.html#a0aed8cb09a725dedcdc69bb3b298f283">00039</a>   <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classgr__squelch__base__cc.html#a0aed8cb09a725dedcdc69bb3b298f283">mute</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <span class="keyword">false</span>; };
<a name="l00040"></a>00040 
<a name="l00041"></a>00041 <span class="keyword">public</span>:
<a name="l00042"></a>00042   <a class="code" href="classgr__squelch__base__cc.html#a88d6244e55ba1c0a0af750097ac9a2a3">gr_squelch_base_cc</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="classgr__basic__block.html#aa12a20d8b8eab341da935530d29299d2">name</a>, <span class="keywordtype">int</span> <a class="code" href="classgr__squelch__base__cc.html#a75e246fbe7392ab6ada53fc7154a29b1">ramp</a>, <span class="keywordtype">bool</span> <a class="code" href="classgr__squelch__base__cc.html#aac453abc028ae38e941375e90c426d6d">gate</a>);
<a name="l00043"></a>00043 
<a name="l00044"></a><a class="code" href="classgr__squelch__base__cc.html#a75e246fbe7392ab6ada53fc7154a29b1">00044</a>   <span class="keywordtype">int</span> <a class="code" href="classgr__squelch__base__cc.html#a75e246fbe7392ab6ada53fc7154a29b1">ramp</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d_ramp; }
<a name="l00045"></a><a class="code" href="classgr__squelch__base__cc.html#a4fbf6731c6fc6f0768e395a7e57695f7">00045</a>   <span class="keywordtype">void</span> <a class="code" href="classgr__squelch__base__cc.html#a4fbf6731c6fc6f0768e395a7e57695f7">set_ramp</a>(<span class="keywordtype">int</span> <a class="code" href="classgr__squelch__base__cc.html#a75e246fbe7392ab6ada53fc7154a29b1">ramp</a>) { d_ramp = <a class="code" href="classgr__squelch__base__cc.html#a75e246fbe7392ab6ada53fc7154a29b1">ramp</a>; }
<a name="l00046"></a><a class="code" href="classgr__squelch__base__cc.html#aac453abc028ae38e941375e90c426d6d">00046</a>   <span class="keywordtype">bool</span> <a class="code" href="classgr__squelch__base__cc.html#aac453abc028ae38e941375e90c426d6d">gate</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d_gate; }
<a name="l00047"></a><a class="code" href="classgr__squelch__base__cc.html#ab3de9b306f78de0ce46c736a33b9f50f">00047</a>   <span class="keywordtype">void</span> <a class="code" href="classgr__squelch__base__cc.html#ab3de9b306f78de0ce46c736a33b9f50f">set_gate</a>(<span class="keywordtype">bool</span> <a class="code" href="classgr__squelch__base__cc.html#aac453abc028ae38e941375e90c426d6d">gate</a>) { d_gate = <a class="code" href="classgr__squelch__base__cc.html#aac453abc028ae38e941375e90c426d6d">gate</a>; }
<a name="l00048"></a><a class="code" href="classgr__squelch__base__cc.html#aee62d8c2fa75b77d1e7580c28d999849">00048</a>   <span class="keywordtype">bool</span> <a class="code" href="classgr__squelch__base__cc.html#aee62d8c2fa75b77d1e7580c28d999849">unmuted</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> (d_state == ST_UNMUTED || d_state == ST_ATTACK); }
<a name="l00049"></a>00049 
<a name="l00050"></a>00050   <span class="keyword">virtual</span> <a class="code" href="classstd_1_1vector.html">std::vector&lt;float&gt;</a> <a class="code" href="classgr__squelch__base__cc.html#aa057da566cf1cd38fb991f7bfa0e2a89">squelch_range</a>() <span class="keyword">const</span> = 0;
<a name="l00051"></a>00051 
<a name="l00052"></a>00052   <span class="keywordtype">int</span> <a class="code" href="classgr__squelch__base__cc.html#a0b4c46b6b18b013fac914094b99e23d3" title="compute output items from input items">general_work</a> (<span class="keywordtype">int</span> noutput_items,
<a name="l00053"></a>00053                     <a class="code" href="classstd_1_1vector.html">gr_vector_int</a> &amp;ninput_items,
<a name="l00054"></a>00054                     <a class="code" href="classstd_1_1vector.html">gr_vector_const_void_star</a> &amp;input_items,
<a name="l00055"></a>00055                     <a class="code" href="classstd_1_1vector.html">gr_vector_void_star</a> &amp;output_items);
<a name="l00056"></a>00056 };
<a name="l00057"></a>00057 
<a name="l00058"></a>00058 <span class="preprocessor">#endif </span><span class="comment">/* INCLUDED_GR_SQUELCH_BASE_CC_H */</span>
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