rockmd

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=11"/>
<meta name="generator" content="Doxygen 1.11.0"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>Metal Detector: C:/Users/Viktor/Desktop/labaratorni/Projects/Metal_Detector/software/Program/Tasks/Src/app_tasks.c File Reference</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>
<script type="text/javascript" src="clipboard.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="navtreedata.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="cookie.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/searchdata.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
  $(function() { init_search(); });
/* @license-end */
</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 id="projectrow">
  <td id="projectalign">
   <div id="projectname">Metal Detector
   </div>
  </td>
    <td>        <div id="MSearchBox" class="MSearchBoxInactive">
        <span class="left">
          <span id="MSearchSelect"                onmouseover="return searchBox.OnSearchSelectShow()"                onmouseout="return searchBox.OnSearchSelectHide()">&#160;</span>
          <input type="text" id="MSearchField" value="" placeholder="Search" accesskey="S"
               onfocus="searchBox.OnSearchFieldFocus(true)" 
               onblur="searchBox.OnSearchFieldFocus(false)" 
               onkeyup="searchBox.OnSearchFieldChange(event)"/>
          </span><span class="right">
            <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.svg" alt=""/></a>
          </span>
        </div>
</td>
 </tr>
 </tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.11.0 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
var searchBox = new SearchBox("searchBox", "search/",'.html');
/* @license-end */
</script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(function() { codefold.init(0); });
/* @license-end */
</script>
</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">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(function(){initNavTree('app__tasks_8c.html',''); initResizable(true); });
/* @license-end */
</script>
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
     onmouseover="return searchBox.OnSearchSelectShow()"
     onmouseout="return searchBox.OnSearchSelectHide()"
     onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>

<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<div id="MSearchResults">
<div class="SRPage">
<div id="SRIndex">
<div id="SRResults"></div>
<div class="SRStatus" id="Loading">Loading...</div>
<div class="SRStatus" id="Searching">Searching...</div>
<div class="SRStatus" id="NoMatches">No Matches</div>
</div>
</div>
</div>
</div>

<div class="header">
  <div class="summary">
<a href="#func-members">Functions</a> &#124;
<a href="#var-members">Variables</a>  </div>
  <div class="headertitle"><div class="title">app_tasks.c File Reference</div></div>
</div><!--header-->
<div class="contents">

<p>Application tasks for signal processing, metal detecting, and LVGL GUI updates.  
<a href="#details">More...</a></p>
<div class="textblock"><code>#include &quot;<a class="el" href="app__tasks_8h_source.html">app_tasks.h</a>&quot;</code><br />
<code>#include &quot;signal.h&quot;</code><br />
<code>#include &quot;lvgl.h&quot;</code><br />
<code>#include &quot;<a class="el" href="ui_8h_source.html">ui.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="app__signal_8h_source.html">app_signal.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="metal__detecting_8h_source.html">metal_detecting.h</a>&quot;</code><br />
<code>#include &quot;main.h&quot;</code><br />
</div><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a329066beef148cff731cb7aa7b243b65" id="r_a329066beef148cff731cb7aa7b243b65"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a329066beef148cff731cb7aa7b243b65">ProduceAudioTask</a> (void *argument)</td></tr>
<tr class="memdesc:a329066beef148cff731cb7aa7b243b65"><td class="mdescLeft">&#160;</td><td class="mdescRight">Task to produce audio when metal is detected.  <br /></td></tr>
<tr class="separator:a329066beef148cff731cb7aa7b243b65"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a278d7757ba50ce233e8a86b63d284ff6" id="r_a278d7757ba50ce233e8a86b63d284ff6"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a278d7757ba50ce233e8a86b63d284ff6">SignalProcessingTask</a> (void *argument)</td></tr>
<tr class="memdesc:a278d7757ba50ce233e8a86b63d284ff6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Task to process signals and detect metal.  <br /></td></tr>
<tr class="separator:a278d7757ba50ce233e8a86b63d284ff6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a0ae6fb624d4aaf3b9d41d861ae89f7c3" id="r_a0ae6fb624d4aaf3b9d41d861ae89f7c3"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a0ae6fb624d4aaf3b9d41d861ae89f7c3">LvHandlerTask</a> (void *argument)</td></tr>
<tr class="memdesc:a0ae6fb624d4aaf3b9d41d861ae89f7c3"><td class="mdescLeft">&#160;</td><td class="mdescRight">Task to handle LVGL GUI updates.  <br /></td></tr>
<tr class="separator:a0ae6fb624d4aaf3b9d41d861ae89f7c3"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="var-members" name="var-members"></a>
Variables</h2></td></tr>
<tr class="memitem:a9c992a943e64583345d6a2fd0d2e2dbc" id="r_a9c992a943e64583345d6a2fd0d2e2dbc"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="metal__detecting_8h.html#ab4dd54490f480c0f6487e8aeb9feb640">MD_DetectStatus_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a9c992a943e64583345d6a2fd0d2e2dbc">md_flag</a> = <a class="el" href="metal__detecting_8h.html#ab4dd54490f480c0f6487e8aeb9feb640aba1240809f7ca0c3eb4ee13d2abe47e2">NO_TARGET</a></td></tr>
<tr class="separator:a9c992a943e64583345d6a2fd0d2e2dbc"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa2462074938c713cc94e7eaa06c94637" id="r_aa2462074938c713cc94e7eaa06c94637"><td class="memItemLeft" align="right" valign="top">static int16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#aa2462074938c713cc94e7eaa06c94637">phase_diff</a> = 0</td></tr>
<tr class="separator:aa2462074938c713cc94e7eaa06c94637"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa871827dba9597a6dc5d8391f993309f" id="r_aa871827dba9597a6dc5d8391f993309f"><td class="memItemLeft" align="right" valign="top">static uint16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#aa871827dba9597a6dc5d8391f993309f">magnitude</a> = 0</td></tr>
<tr class="separator:aa871827dba9597a6dc5d8391f993309f"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Application tasks for signal processing, metal detecting, and LVGL GUI updates. </p>
<p>This file contains the implementation of various tasks:</p><ul>
<li>ProduceAudioTask: Manages audio output for detected targets.</li>
<li>SignalProcessingTask: Handles signal acquisition, processing, and metal detection.</li>
<li>LvHandlerTask: Manages updates to the LVGL user interface based on signal processing results.</li>
</ul>
<p>Created on: Jul 21, 2024 Author: Viktor </p>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="a0ae6fb624d4aaf3b9d41d861ae89f7c3" name="a0ae6fb624d4aaf3b9d41d861ae89f7c3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a0ae6fb624d4aaf3b9d41d861ae89f7c3">&#9670;&#160;</a></span>LvHandlerTask()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void LvHandlerTask </td>
          <td>(</td>
          <td class="paramtype">void *</td>          <td class="paramname"><span class="paramname"><em>argument</em></span></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Task to handle LVGL GUI updates. </p>
<p>This task updates the LVGL user interface with signal processing results, including depth bar, phase arc, and charts for time and frequency domains.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">argument</td><td>Task argument (unused). </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<a id="a329066beef148cff731cb7aa7b243b65" name="a329066beef148cff731cb7aa7b243b65"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a329066beef148cff731cb7aa7b243b65">&#9670;&#160;</a></span>ProduceAudioTask()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void ProduceAudioTask </td>
          <td>(</td>
          <td class="paramtype">void *</td>          <td class="paramname"><span class="paramname"><em>argument</em></span></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Task to produce audio when metal is detected. </p>
<p>This task waits for the AudioSemaphoreHandle to be released, then enables the audio amplifier for a specified duration to produce an audio signal.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">argument</td><td>Task argument (unused). </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<a id="a278d7757ba50ce233e8a86b63d284ff6" name="a278d7757ba50ce233e8a86b63d284ff6"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a278d7757ba50ce233e8a86b63d284ff6">&#9670;&#160;</a></span>SignalProcessingTask()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void SignalProcessingTask </td>
          <td>(</td>
          <td class="paramtype">void *</td>          <td class="paramname"><span class="paramname"><em>argument</em></span></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Task to process signals and detect metal. </p>
<p>This task waits for a flag from the input queue, processes the signal to perform FFT and detect metal, and updates detection status and phase difference.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">argument</td><td>Task argument (unused). </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<h2 class="groupheader">Variable Documentation</h2>
<a id="aa871827dba9597a6dc5d8391f993309f" name="aa871827dba9597a6dc5d8391f993309f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa871827dba9597a6dc5d8391f993309f">&#9670;&#160;</a></span>magnitude</h2>

<div class="memitem">
<div class="memproto">
<table class="mlabels">
  <tr>
  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname">uint16_t magnitude = 0</td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">
<p>Magnitude of the received signal </p>

</div>
</div>
<a id="a9c992a943e64583345d6a2fd0d2e2dbc" name="a9c992a943e64583345d6a2fd0d2e2dbc"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a9c992a943e64583345d6a2fd0d2e2dbc">&#9670;&#160;</a></span>md_flag</h2>

<div class="memitem">
<div class="memproto">
<table class="mlabels">
  <tr>
  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname"><a class="el" href="metal__detecting_8h.html#ab4dd54490f480c0f6487e8aeb9feb640">MD_DetectStatus_t</a> md_flag = <a class="el" href="metal__detecting_8h.html#ab4dd54490f480c0f6487e8aeb9feb640aba1240809f7ca0c3eb4ee13d2abe47e2">NO_TARGET</a></td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">
<p>Metal detection flag </p>

</div>
</div>
<a id="aa2462074938c713cc94e7eaa06c94637" name="aa2462074938c713cc94e7eaa06c94637"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa2462074938c713cc94e7eaa06c94637">&#9670;&#160;</a></span>phase_diff</h2>

<div class="memitem">
<div class="memproto">
<table class="mlabels">
  <tr>
  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname">int16_t phase_diff = 0</td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">
<p>Phase difference between signals </p>

</div>
</div>
</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_0dd456b08668c9223ebe957b6c5d094b.html">Tasks</a></li><li class="navelem"><a class="el" href="dir_edadffdfd2c35a0aeeabdefbd6cb5c61.html">Src</a></li><li class="navelem"><a class="el" href="app__tasks_8c.html">app_tasks.c</a></li>
    <li class="footer">Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.11.0 </li>
  </ul>
</div>
</body>
</html>