mayhem-firmware/firmware/chibios-portapack/ext/fatfs/doc/en/dstat.html

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<div class="para func">
<h2>disk_status</h2>
<p>The disk_status function is called to inquire 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>
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Initial firmware commit. 2015-07-08 15:39:24 +00:00			`<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">`
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			`<title>FatFs - disk_status</title>`
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			`<div class="para func">`
			`<h2>disk_status</h2>`
FatFs: Update to release R0.12b. 2017-05-03 11:35:19 +00:00			`<p>The disk_status function is called to inquire the current drive status.</p>`
Initial firmware commit. 2015-07-08 15:39:24 +00:00			`<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>`
FatFs: Update to R0.12a. 2016-07-29 06:06:21 +00:00			<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>
Initial firmware commit. 2015-07-08 15:39:24 +00:00			`<dt>STA_NODISK</dt>`
FatFs: Update to R0.12a. 2016-07-29 06:06:21 +00:00			`<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>`
Initial firmware commit. 2015-07-08 15:39:24 +00:00			`<dt>STA_PROTECT</dt>`
FatFs: Update to R0.12a. 2016-07-29 06:06:21 +00:00			`<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>`
Initial firmware commit. 2015-07-08 15:39:24 +00:00			`</dl>`
			`</div>`

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