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Richard Barry 2010-01-24 21:04:32 +00:00
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<meta http-equiv="Content-Style-Type" content="text/css">
<link rel="up" title="FatFs" href="../00index_e.html">
<link rel="stylesheet" href="../css_e.css" type="text/css" media="screen" title="ELM Default">
<title>FatFs - disk_status</title>
</head>
<body>
<div class="para">
<h2>disk_status</h2>
<p>The disk_status function returns the current disk status.</p>
<pre>
DSTATUS disk_status (
BYTE <em>Drive</em> /* Physical drive number */
);
</pre>
</div>
<div class="para">
<h4>Parameter</h4>
<dl class="par">
<dt>Drive</dt>
<dd>Specifies the physical drive number to be confirmed.</dd>
</dl>
</div>
<div class="para">
<h4>Return Values</h4>
<p>The disk status is returned in combination of following flags.</p>
<dl class="ret">
<dt>STA_NOINIT</dt>
<dd>Indicates that the disk drive has not been initialized. This flag is set on: system reset, disk removal and disk_initialize function failed, and cleared on: disk_initialize function succeeded.</dd>
<dt>STA_NODISK</dt>
<dd>Indicates that no medium in the drive. This is always cleared on fixed disk drive.</dd>
<dt>STA_PROTECTED</dt>
<dd>Indicates that the medium is write protected. This is always cleared on the drive that does not support write protect notch. Not valid when <tt>STA_NODISK</tt> is set.</dd>
</dl>
</div>
<p class="foot"><a href="../00index_e.html">Return</a></p>
</body>
</html>