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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [Common/] [FileSystem/] [FatFs-0.7e/] [doc/] [en/] [chdrive.html] - Rev 611
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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="stylesheet" href="../css_e.css" type="text/css" media="screen" title="ELM Default"> <title>FatFs - f_chdrive</title> </head> <body> <div class="para"> <h2>f_chdrive</h2> <p>The f_chdrive function changes the current drive.</p> <pre> FRESULT f_chdrive ( BYTE <em>Drive</em> /* Logical drive number */ ); </pre> </div> <div class="para"> <h4>Parameters</h4> <dl class="par"> <dt>Drive</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"> <h4>Return Values</h4> <dl class="ret"> <dt>FR_OK (0)</dt> <dd>The function succeeded.</dd> <dt>FR_INVALID_DRIVE</dt> <dd>The drive number is invalid.</dd> </dl> </div> <div class="para"> <h4>Description</h4> <p>The f_chdrive 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"> <h4>QuickInfo</h4> <p>Available when <tt>_FS_RPATH == 1</tt>.</p> </div> <div class="para"> <h4>See Also</h4> <p><tt><a href="chdir.html">f_chdir</a></tt></p> </div> <p class="foot"><a href="../00index_e.html">Return</a></p> </body> </html>
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