| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748 | <!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 and not ready to work. 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. Any media change that occurs asynchronously must be captured and reflect it to the status flags, or auto-mount function will not work correctly. If the system does not support media change detection, application program needs to force de-initialize the file system object and re-mount the volume with <tt>f_mount</tt> function after each media change.</dd><dt>STA_NODISK</dt><dd>Indicates that no medium in the drive. This is always cleared at 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 at the drives without write protect function. Not valid if no medium in the drive.</dd></dl></div><p class="foot"><a href="../00index_e.html">Return</a></p></body></html>
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