ugfx/3rdparty/fatfs-0.10b/doc/en/chdrive.html

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<title>FatFs - f_chdrive</title>
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<div class="para func">
<h2>f_chdrive</h2>
<p>The f_chdrive function changes the current drive.</p>
<pre>
FRESULT f_chdrive (
  const TCHAR* <span class="arg">path</span>  <span class="c">/* [IN] Logical drive number */</span>
);
</pre>
</div>

<div class="para arg">
<h4>Parameters</h4>
<dl class="par">
<dt>path</dt>
<dd>Specifies the <a href="filename.html">logical drive number</a> to be set as the current drive.</dd>
</dl>
</div>


<div class="para ret">
<h4>Return Values</h4>
<p>
<a href="rc.html#ok">FR_OK</a>,
<a href="rc.html#id">FR_INVALID_DRIVE</a>
</p>
</div>


<div class="para desc">
<h4>Description</h4>
<p>The <tt>f_chdrive()</tt> function changes the current drive. The initial value of the current drive number is 0. Note that the current drive is retained in a static variable so that it also affects other tasks that using the file functions.</p>
</div>

<div class="para comp">
<h4>QuickInfo</h4>
<p>Available when <tt>_FS_RPATH >= 1</tt> and <tt>_VOLUMES >= 2</tt>.</p>
</div>


<div class="para ref">
<h4>See Also</h4>
<p><tt><a href="chdir.html">f_chdir</a>, <a href="getcwd.html">f_getcwd</a></tt></p>
</div>

<p class="foot"><a href="../00index_e.html">Return</a></p>
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Move 3rd Party source to a new directory. Rationalise Fatfs code and fix a couple of configuration issues. 2014-08-13 05:48:16 +00:00			`<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">`
			`<html lang="en">`
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			`<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/chdrive.html">`
			`<link rel="stylesheet" href="../css_e.css" type="text/css" media="screen" title="ELM Default">`
			`<title>FatFs - f_chdrive</title>`
			`</head>`

			`<body>`

			`<div class="para func">`
			`<h2>f_chdrive</h2>`
			`<p>The f_chdrive function changes the current drive.</p>`
			`<pre>`
			`FRESULT f_chdrive (`
			`const TCHAR* <span class="arg">path</span> <span class="c">/* [IN] Logical drive number */</span>`
			`);`
			`</pre>`
			`</div>`

			`<div class="para arg">`
			`<h4>Parameters</h4>`
			`<dl class="par">`
			`<dt>path</dt>`
			`<dd>Specifies the <a href="filename.html">logical drive number</a> to be set as the current drive.</dd>`
			`</dl>`
			`</div>`


			`<div class="para ret">`
			`<h4>Return Values</h4>`
			`<p>`
			`<a href="rc.html#ok">FR_OK</a>,`
			`<a href="rc.html#id">FR_INVALID_DRIVE</a>`
			`</p>`
			`</div>`


			`<div class="para desc">`
			`<h4>Description</h4>`
			`<p>The <tt>f_chdrive()</tt> function changes the current drive. The initial value of the current drive number is 0. Note that the current drive is retained in a static variable so that it also affects other tasks that using the file functions.</p>`
			`</div>`

			`<div class="para comp">`
			`<h4>QuickInfo</h4>`
			`<p>Available when <tt>_FS_RPATH >= 1</tt> and <tt>_VOLUMES >= 2</tt>.</p>`
			`</div>`


			`<div class="para ref">`
			`<h4>See Also</h4>`
			`<p><tt><a href="chdir.html">f_chdir</a>, <a href="getcwd.html">f_getcwd</a></tt></p>`
			`</div>`

			`<p class="foot"><a href="../00index_e.html">Return</a></p>`
			`</body>`
			`</html>`