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diff --git a/3rdparty/fatfs-0.13/documents/doc/sfatfs.html b/3rdparty/fatfs-0.13/documents/doc/sfatfs.html new file mode 100644 index 00000000..867c4b4c --- /dev/null +++ b/3rdparty/fatfs-0.13/documents/doc/sfatfs.html @@ -0,0 +1,62 @@ +<!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="alternate" hreflang="ja" title="Japanese" href="../ja/sfatfs.html"> +<link rel="stylesheet" href="../css_e.css" type="text/css" media="screen" title="ELM Default"> +<title>FatFs - FATFS</title> +</head> + +<body> + +<div class="para"> +<h2>FATFS</h2> +<p>The <tt>FATFS</tt> structure (filesystem 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 of the structure is done by volume mount process whenever necessary. Application program must not modify any member in this structure, or the FAT volume can be collapsed.</p> +<pre> +<span class="k">typedef</span> <span class="k">struct</span> { + BYTE fs_type; <span class="c">/* FAT type (0, FS_FAT12, FS_FAT16, FS_FAT32 or FS_EXFAT) */</span> + BYTE pdrv; <span class="c">/* Hosting physical drive of this volume */</span> + BYTE n_fats; <span class="c">/* Number of FAT copies (1,2) */</span> + BYTE wflag; <span class="c">/* win[] flag (b0:win[] is dirty) */</span> + BYTE fsi_flag; <span class="c">/* FSINFO flags (b7:Disabled, b0:Dirty) */</span> + WORD id; <span class="c">/* Volume mount ID */</span> + WORD n_rootdir; <span class="c">/* Number of root directory entries (FAT12/16) */</span> + WORD csize; <span class="c">/* Sectors per cluster */</span> +<span class="k">#if</span> FF_MAX_SS != FF_MIN_SS + WORD ssize; <span class="c">/* Sector size (512,1024,2048 or 4096) */</span> +<span class="k">#endif</span> +<span class="k">#if FF_FS_EXFAT</span> + BYTE* dirbuf; <span class="c">/* Directory entry block scratchpad buffer */</span> +<span class="k">#endif</span> +<span class="k">#if</span> FF_FS_REENTRANT + FF_SYNC_t sobj; <span class="c">/* Identifier of sync object */</span> +<span class="k">#endif</span> +<span class="k">#if</span> !FF_FS_READONLY + DWORD last_clust; <span class="c">/* FSINFO: Last allocated cluster (0xFFFFFFFF if invalid) */</span> + DWORD free_clust; <span class="c">/* FSINFO: Number of free clusters (0xFFFFFFFF if invalid) */</span> +<span class="k">#endif</span> +<span class="k">#if</span> FF_FS_RPATH + DWORD cdir; <span class="c">/* Cluster number of current directory (0:root) */</span> +<span class="k">#if FF_FS_EXFAT</span> + DWORD cdc_scl; <span class="c">/* Containing directory start cluster (invalid when cdir is 0) */</span> + DWORD cdc_size; <span class="c">/* b31-b8:Size of containing directory, b7-b0: Chain status */</span> + DWORD cdc_ofs; <span class="c">/* Offset in the containing directory (invalid when cdir is 0) */</span> +<span class="k">#endif</span> +<span class="k">#endif</span> + DWORD n_fatent; <span class="c">/* Number of FAT entries (Number of clusters + 2) */</span> + DWORD fsize; <span class="c">/* Sectors per FAT */</span> + DWORD volbase; <span class="c">/* Volume base LBA */</span> + DWORD fatbase; <span class="c">/* FAT base LBA */</span> + DWORD dirbase; <span class="c">/* Root directory base (LBA|Cluster) */</span> + DWORD database; <span class="c">/* Data base LBA */</span> + DWORD winsect; <span class="c">/* Sector LBA appearing in the win[] */</span> + BYTE win[FF_MAX_SS]; <span class="c">/* Disk access window for directory, FAT (and file data at tiny cfg) */</span> +} FATFS; +</pre> +</div> + +<p class="foot"><a href="../00index_e.html">Return</a></p> +</body> +</html> |