<p>The f_mount fucntion registers/unregisters a work area to the FatFs module.</p>
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<pre>
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FRESULT f_mount (
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BYTE <em>Drive</em>, /* Logical drive number */
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FATFS* <em>FileSystemObject</em> /* Pointer to the work area */
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);
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</pre>
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</div>
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<div class="para">
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<h4>Parameters</h4>
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<dl class="par">
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<dt>Drive</dt>
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<dd>Logical drive number (0-9) to register/unregister the work area.</dd>
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<dt>FileSystemObject</dt>
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<dd>Pointer to the work area (file system object) to be registered.</dd>
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</dl>
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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 (0)</dt>
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<dd>The function succeeded.</dd>
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<dt>FR_INVALID_DRIVE</dt>
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<dd>The drive number is invalid.</dd>
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</dl>
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</div>
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44
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<div class="para">
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<h4>Description</h4>
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<p>The f_mount function registers/unregisters a work area to the FatFs module. The work area must be given to the each volume with this function prior to use any other file function. To unregister a work area, specify a NULL to the <em>FileSystemObject</em>, and then the work area can be discarded.</p>
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<p>This function only initializes the given work area and registers its address to the internal table, any access to the disk I/O layer does not occure. The volume mount process is performed on first file access after f_mount function or media change.</p>
