savelij13
238747ef97
- Added FAT12. Removed unbuffered mode. - Fixed a problem on small (<32M) patition.
58 lines
2.0 KiB
HTML
58 lines
2.0 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html lang="en">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<meta http-equiv="Content-Style-Type" content="text/css">
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<link rel="up" title="FatFs" href="../00index_e.html">
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<link rel="stylesheet" href="../css_e.css" type="text/css" media="screen" title="ELM Default">
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<title>FatFs - f_mountdrv</title>
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</head>
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<body>
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<div class="para">
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<h2>f_mountdrv</h2>
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<p>The f_mountdrv forces mounted the partition.</p>
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<pre>
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FRESULT f_mountdrv ();
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</pre>
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</div>
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<div class="para">
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<h4>Return Values</h4>
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<dl class="ret">
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<dt>FR_OK</dt>
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<dd>The function succeeded.</dd>
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<dt>FR_NOT_READY</dt>
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<dd>The disk drive cannot work due to no medium in the drive or any other reason.</dd>
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<dt>FR_RW_ERROR</dt>
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<dd>Any error occured in low level disk I/O.</dd>
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<dt>FR_NOT_ENABLED</dt>
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<dd>FatFs module has not been enabled.</dd>
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<dt>FR_NO_FILESYSTEM</dt>
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<dd>There is no valid FAT partition on the disk.</dd>
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</dl>
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</div>
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<div class="para">
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<h4>Description</h4>
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<p>The f_mountdrv mounts a partition (initializes <tt>FATFS</tt> structure) and put all file functions can be used. The file system is mounted (initialized) automatically in accordance with the necessity when any file function is called, so that any initialization is not needed before using file functions. To terminate use of the FatFs module, close all files and clear the global variable <em>FatFs</em>, then the <tt>FATFS</tt> structure can be discarded. In this function, following process is executed.</p>
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<br>
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<ul>
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<li>Initializes lower level layer (disk I/O module).</li>
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<li>Searches a FAT boot record in order of sector 0 (as SFD format) and first primary partition (as FDISK format).</li>
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<li>Initializes file system object (<tt>FATFS</tt> structure).</li>
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</ul>
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</div>
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<div class="para">
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<h4>References</h4>
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<p><tt><a href="sfatfs.html">FATFS</a></tt></p>
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</div>
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<p class="foot"><a href="../00index_e.html">Return</a></p>
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</body>
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</html>
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