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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>
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