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author | inmarket <andrewh@inmarket.com.au> | 2014-08-13 15:48:16 +1000 |
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committer | inmarket <andrewh@inmarket.com.au> | 2014-08-13 15:48:16 +1000 |
commit | efa13a879df590ce0043a5b4f97597484bf264e1 (patch) | |
tree | dcded7e06aa5467496d4f9aa365e00fb096a6801 /3rdparty/fatfs-0.10b/doc/en/sfatfs.html | |
parent | 10902154aec652a3fcdf028b2c6ff16743464973 (diff) | |
download | uGFX-efa13a879df590ce0043a5b4f97597484bf264e1.tar.gz uGFX-efa13a879df590ce0043a5b4f97597484bf264e1.tar.bz2 uGFX-efa13a879df590ce0043a5b4f97597484bf264e1.zip |
Move 3rd Party source to a new directory.
Rationalise Fatfs code and fix a couple of configuration issues.
Diffstat (limited to '3rdparty/fatfs-0.10b/doc/en/sfatfs.html')
-rw-r--r-- | 3rdparty/fatfs-0.10b/doc/en/sfatfs.html | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/3rdparty/fatfs-0.10b/doc/en/sfatfs.html b/3rdparty/fatfs-0.10b/doc/en/sfatfs.html new file mode 100644 index 00000000..d81e84b2 --- /dev/null +++ b/3rdparty/fatfs-0.10b/doc/en/sfatfs.html @@ -0,0 +1,54 @@ +<!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 (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> +<pre> +<span class="k">typedef</span> <span class="k">struct</span> { + BYTE fs_type; <span class="c">/* FAT sub-type (0:Not mounted) */</span> + BYTE drv; <span class="c">/* Physical drive number */</span> + BYTE csize; <span class="c">/* Sectors per cluster (1,2,4,...,128) */</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">/* File system mount ID */</span> + WORD n_rootdir; <span class="c">/* Number of root directory entries (FAT12/16) */</span> +<span class="k">#if</span> _MAX_SS != _MIN_SS + WORD ssize; <span class="c">/* Sector size (512,1024,2048 or 4096) */</span> +<span class="k">#endif</span> +<span class="k">#if</span> _FS_REENTRANT + _SYNC_t sobj; <span class="c">/* Identifier of sync object */</span> +<span class="k">#endif</span> +<span class="k">#if</span> !_FS_READONLY + DWORD last_clust; <span class="c">/* FSINFO: Last allocated cluster */</span> + DWORD free_clust; <span class="c">/* FSINFO: Number of free clusters */</span> +<span class="k">#endif</span> +<span class="k">#if</span> _FS_RPATH + DWORD cdir; <span class="c">/* Current directory start cluster (0:root) */</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 start sector */</span> + DWORD fatbase; <span class="c">/* FAT area start sector */</span> + DWORD dirbase; <span class="c">/* Root directory area start sector (FAT32: Cluster#) */</span> + DWORD database; <span class="c">/* Data area start sector */</span> + DWORD winsect; <span class="c">/* Current sector appearing in the win[] */</span> + BYTE win[_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> |