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<a href="#define-members">Macros</a> &#124;
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<p><a class="el" href="_free_stack_8h.html#a86da1fd0aa8dcc6a981803373bc8839d">FreeStack()</a> function.  
<a href="#details">More...</a></p>
<div class="textblock"><code>#include &lt;stdint.h&gt;</code><br />
<code>#include &lt;avr/io.h&gt;</code><br />
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Include dependency graph for FreeStack.h:</div>
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Macros</h2></td></tr>
<tr class="memitem:acd5a8222ee7af79faab74b1df412d600"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_free_stack_8h.html#acd5a8222ee7af79faab74b1df412d600">HAS_UNUSED_STACK</a>&#160;&#160;&#160;1</td></tr>
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Functions</h2></td></tr>
<tr class="memitem:a534f4eab46987296c6951fc35a2f9a7f"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_free_stack_8h.html#a534f4eab46987296c6951fc35a2f9a7f">FillStack</a> ()</td></tr>
<tr class="separator:a534f4eab46987296c6951fc35a2f9a7f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a86da1fd0aa8dcc6a981803373bc8839d"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_free_stack_8h.html#a86da1fd0aa8dcc6a981803373bc8839d">FreeStack</a> ()</td></tr>
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<tr class="memitem:a0a6400cf785c9647c0bacb76b15851de"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_free_stack_8h.html#a0a6400cf785c9647c0bacb76b15851de">UnusedStack</a> ()</td></tr>
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Variables</h2></td></tr>
<tr class="memitem:ad193a2cc121e0d4614a1c21eb463fb56"><td class="memItemLeft" align="right" valign="top">char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_free_stack_8h.html#ad193a2cc121e0d4614a1c21eb463fb56">__brkval</a></td></tr>
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<tr class="memitem:adbad17f740c2d7f2bc4833681c93c932"><td class="memItemLeft" align="right" valign="top">char&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_free_stack_8h.html#adbad17f740c2d7f2bc4833681c93c932">__bss_end</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p><a class="el" href="_free_stack_8h.html#a86da1fd0aa8dcc6a981803373bc8839d">FreeStack()</a> function. </p>
<p>Copyright (c) 2011-2019 Bill Greiman This file is part of the SdFat library for SD memory cards.</p>
<p>MIT License</p>
<p>Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:</p>
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</div><h2 class="groupheader">Macro Definition Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#acd5a8222ee7af79faab74b1df412d600">&#9670;&nbsp;</a></span>HAS_UNUSED_STACK</h2>

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          <td class="memname">#define HAS_UNUSED_STACK&#160;&#160;&#160;1</td>
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<p>Indicate <a class="el" href="_free_stack_8h.html#a534f4eab46987296c6951fc35a2f9a7f">FillStack()</a> and <a class="el" href="_free_stack_8h.html#a0a6400cf785c9647c0bacb76b15851de">UnusedStack()</a> are available. </p>

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<h2 class="groupheader">Function Documentation</h2>
<a id="a534f4eab46987296c6951fc35a2f9a7f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a534f4eab46987296c6951fc35a2f9a7f">&#9670;&nbsp;</a></span>FillStack()</h2>

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          <td class="memname">void FillStack </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
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<p>Fill stack with 0x55 pattern </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a86da1fd0aa8dcc6a981803373bc8839d">&#9670;&nbsp;</a></span>FreeStack()</h2>

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          <td class="memname">int FreeStack </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
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<p>Amount of free stack space. </p><dl class="section return"><dt>Returns</dt><dd>The number of free bytes. </dd></dl>

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<a id="a0a6400cf785c9647c0bacb76b15851de"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a0a6400cf785c9647c0bacb76b15851de">&#9670;&nbsp;</a></span>UnusedStack()</h2>

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          <td class="memname">int UnusedStack </td>
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          <td class="paramname"></td><td>)</td>
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<p>Determine the amount of unused stack.</p>
<p><a class="el" href="_free_stack_8h.html#a534f4eab46987296c6951fc35a2f9a7f">FillStack()</a> must be called to fill the stack with a 0x55 pattern.</p>
<p><a class="el" href="_free_stack_8h.html#a0a6400cf785c9647c0bacb76b15851de">UnusedStack()</a> may fail if malloc() or new is use.</p>
<dl class="section return"><dt>Returns</dt><dd>number of bytes with 0x55 pattern. </dd></dl>

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<h2 class="groupheader">Variable Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ad193a2cc121e0d4614a1c21eb463fb56">&#9670;&nbsp;</a></span>__brkval</h2>

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          <td class="memname">char* __brkval</td>
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<p>boundary between stack and heap. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#adbad17f740c2d7f2bc4833681c93c932">&#9670;&nbsp;</a></span>__bss_end</h2>

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<p>End of bss section. </p>

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