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Initial firmware commit.

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Jared Boone
2015-07-08 08:39:24 -07:00
parent 626e863257
commit dc6fee8370
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firmware/chibios-portapack/ext/fatfs/doc/en/dstat.html Normal file
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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="alternate" hreflang="ja" title="Japanese" href="../ja/dstat.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 func">
<h2>disk_status</h2>
<p>The disk_status function returns the current drive status.</p>
<pre>
DSTATUS disk_status (
BYTE <span class="arg">pdrv</span> <span class="c">/* [IN] Physical drive number */</span>
);
</pre>
</div>
<div class="para arg">
<h4>Parameter</h4>
<dl class="par">
<dt>pdrv</dt>
<dd>Physical drive number to identify the target device. Always zero at single drive system.</dd>
</dl>
</div>
<div class="para ret">
<h4>Return Values</h4>
<p>The current drive status is returned in combination of status flags described below. FatFs refers only <tt>STA_NOINIT</tt> and <tt>STA_PROTECT</tt>.</p>
<dl class="ret">
<dt>STA_NOINIT</dt>
<dd>Indicates that the device is not initialized. This flag is set on system reset, media removal or failure of <tt>disk_initialize()</tt> function. It is cleared on <tt>disk_initialize()</tt> function succeeded. Media change that occurs asynchronously must be captured and reflect it to the status flags, or auto-mount feature will not work correctly. If the system does not support media change detect feature, application program needs to force de-initialize the file system object with <tt>f_mount()</tt> function after the media change.</dd>
<dt>STA_NODISK</dt>
<dd>Indicates that no medium in the drive. This is always cleared on fixed disk drive. Note that FatFs does not refer this flag.</dd>
<dt>STA_PROTECT</dt>
<dd>Indicates that the medium is write protected. This is always cleared on the drives without write protect feature. Not valid if no medium in the drive.</dd>
</dl>
</div>
<p class="foot"><a href="../00index_e.html">Return</a></p>
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