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FatFs update to R0.11a.
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@@ -13,10 +13,10 @@
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<div class="para">
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<h2>FATFS</h2>
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<p>The <tt>FATFS</tt> structure (file system object) holds dynamic work area of individual logical drives. It is given by application program and registerd/unregisterd to the FatFs module with <tt>f_mount()</tt> function. Initialization is done on first API call after <tt>f_mount()</tt> function or media change. Application program must not modify any member in this structure.</p>
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<p>The <tt>FATFS</tt> structure (file system object) holds dynamic work area of individual logical drives. It is given by application program and registerd/unregisterd to the FatFs module with <tt>f_mount</tt> function. Initialization is done on first API call after <tt>f_mount</tt> function or media change. Application program must not modify any member in this structure, or any data on the FAT volume can be collapsed.</p>
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<pre>
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<span class="k">typedef</span> <span class="k">struct</span> {
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BYTE fs_type; <span class="c">/* FAT sub-type (0:Not mounted) */</span>
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BYTE fs_type; <span class="c">/* FAT sub-type (0:Not mounted, FS_FAT12/FS_FAT16/FS_FAT32) */</span>
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BYTE drv; <span class="c">/* Physical drive number */</span>
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BYTE csize; <span class="c">/* Sectors per cluster (1,2,4,...,128) */</span>
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BYTE n_fats; <span class="c">/* Number of FAT copies (1,2) */</span>
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@@ -31,19 +31,19 @@
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_SYNC_t sobj; <span class="c">/* Identifier of sync object */</span>
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<span class="k">#endif</span>
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<span class="k">#if</span> !_FS_READONLY
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DWORD last_clust; <span class="c">/* FSINFO: Last allocated cluster */</span>
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DWORD free_clust; <span class="c">/* FSINFO: Number of free clusters */</span>
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DWORD last_clust; <span class="c">/* FSINFO: Last allocated cluster (0xFFFFFFFF if invalid) */</span>
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DWORD free_clust; <span class="c">/* FSINFO: Number of free clusters (0xFFFFFFFF if invalid) */</span>
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<span class="k">#endif</span>
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<span class="k">#if</span> _FS_RPATH
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DWORD cdir; <span class="c">/* Current directory start cluster (0:root) */</span>
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DWORD cdir; <span class="c">/* Cluster number of current directory (0:root) */</span>
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<span class="k">#endif</span>
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DWORD n_fatent; <span class="c">/* Number of FAT entries (== Number of clusters + 2) */</span>
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DWORD n_fatent; <span class="c">/* Number of FAT entries (Number of clusters + 2) */</span>
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DWORD fsize; <span class="c">/* Sectors per FAT */</span>
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DWORD volbase; <span class="c">/* Volume start sector */</span>
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DWORD fatbase; <span class="c">/* FAT area start sector */</span>
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DWORD dirbase; <span class="c">/* Root directory area start sector (FAT32: Cluster#) */</span>
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DWORD database; <span class="c">/* Data area start sector */</span>
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DWORD winsect; <span class="c">/* Current sector appearing in the win[] */</span>
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DWORD volbase; <span class="c">/* Volume base LBA */</span>
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DWORD fatbase; <span class="c">/* FAT base LBA */</span>
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DWORD dirbase; <span class="c">/* Root directory base (LBA|Cluster) */</span>
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DWORD database; <span class="c">/* Data base LBA */</span>
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DWORD winsect; <span class="c">/* Sector LBA appearing in the win[] */</span>
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BYTE win[_MAX_SS]; <span class="c">/* Disk access window for directory, FAT (and file data at tiny cfg) */</span>
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} FATFS;
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</pre>
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