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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>VLSI Solution Oy Evaluation MP3 Player Source Code Documentation</title><link href="doxygen.css" rel="stylesheet" type="text/css"><img src="vlsi_small.gif" hspace="20" bordercolor="#ffffff" alt="VLSI Solution Oy"><b>VLSI Solution Oy Evaluation MP3 Player Source Code Documentation</b><p></p></head><body><!-- Generated by Doxygen 1.3.7 --><div class="qindex"><a class="qindex" href="index.html">Main Page</a> | <a class="qindex" href="annotated.html">Class List</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="functions.html">Class Members</a> | <a class="qindex" href="globals.html">File Members</a> | <a class="qindex" href="pages.html">Related Pages</a></div><h1>filesys.h File Reference</h1>File system interface, Implemented: FAT16, FAT32. <a href="#_details">More...</a><p><code>#include "<a class="el" href="buffer_8h-source.html">buffer.h</a>"</code><br><code>#include "<a class="el" href="board_8h-source.html">board.h</a>"</code><br><p>Include dependency graph for filesys.h:<p><center><img src="filesys_8h__incl.png" border="0" usemap="#filesys.h_map" alt="Include dependency graph"></center><map name="filesys.h_map"><area href="buffer_8h.html" shape="rect" coords="6,93,54,117" alt=""><area href="board_8h.html" shape="rect" coords="78,93,129,117" alt=""></map><p>This graph shows which files directly or indirectly include this file:<p><center><img src="filesys_8h__dep__incl.png" border="0" usemap="#filesys.hdep_map" alt="Included by dependency graph"></center><map name="filesys.hdep_map"><area href="filesys_8c.html" shape="rect" coords="6,18,62,42" alt=""><area href="player_8c.html" shape="rect" coords="86,18,140,42" alt=""><area href="record_8c.html" shape="rect" coords="164,18,217,42" alt=""><area href="vs10xx_8c.html" shape="rect" coords="241,18,300,42" alt=""></map><p><a href="filesys_8h-source.html">Go to the source code of this file.</a><table border=0 cellpadding=0 cellspacing=0><tr><td></td></tr><tr><td colspan=2><br><h2>Classes</h2></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top>struct </td><td class="memItemRight" valign=bottom><a class="el" href="structfragmentEntry.html">fragmentEntry</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Fragment Table. <a href="structfragmentEntry.html#_details">More...</a><br><br></td></tr><tr><td colspan=2><br><h2>Defines</h2></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top>#define </td><td class="memItemRight" valign=bottom><a class="el" href="filesys_8h.html#a0">IS_FAT_32</a> UDF</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Use PSW User Definable Flag to indicate FAT16/32. <a href="#a0"></a><br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top>#define </td><td class="memItemRight" valign=bottom><a class="el" href="filesys_8h.html#a1">MAX_NUMBER_FRAGMENTS</a> 10</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Maximum allowable number of fragments in file. <a href="#a1"></a><br><br></td></tr><tr><td colspan=2><br><h2>Functions</h2></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top>unsigned char </td><td class="memItemRight" valign=bottom><a class="el" href="filesys_8h.html#a7">InitFileSystem</a> ()</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Start the filing system and initialize all necessary subsystems. <a href="#a7"></a><br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top>unsigned char </td><td class="memItemRight" valign=bottom><a class="el" href="filesys_8h.html#a8">OpenFile</a> (unsigned int fileNumber)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Open a file for reading. <a href="#a8"></a><br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top>unsigned char </td><td class="memItemRight" valign=bottom><a class="el" href="filesys_8h.html#a9">FGetChar</a> ()</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Read a character from current file. <a href="#a9"></a><br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top>unsigned char </td><td class="memItemRight" valign=bottom><a class="el" href="filesys_8h.html#a10">BuildFragmentTable</a> (void)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Build a fragment table starting from current sector. <a href="#a10"></a><br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top>unsigned char </td><td class="memItemRight" valign=bottom><a class="el" href="filesys_8h.html#a11">ScanForFreeSector</a> ()</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Search for next free sector. <a href="#a11"></a><br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="filesys_8h.html#a12">WriteClusterChain</a> ()</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Write a cluster chain to FAT for a fragment. <a href="#a12"></a><br><br></td></tr><tr><td colspan=2><br><h2>Variables</h2></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top>Public xdata unsigned long </td><td class="memItemRight" valign=bottom><a class="el" href="filesys_8h.html#a2">fileSize</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Size of current file to play. <a href="#a2"></a><br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top>xdata struct <a class="el" href="structfragmentEntry.html">fragmentEntry</a> </td><td class="memItemRight" valign=bottom><a class="el" href="filesys_8h.html#a3">fragment</a> [MAX_NUMBER_FRAGMENTS]</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Fragment Table. <a href="#a3"></a><br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top>xdata char </td><td class="memItemRight" valign=bottom><a class="el" href="filesys_8h.html#a4">currentFileName</a> [12]</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">8 first characters of current file name <a href="#a4"></a><br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top>xdata unsigned long </td><td class="memItemRight" valign=bottom><a class="el" href="filesys_8h.html#a5">freeSector</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Next free cluster number. <a href="#a5"></a><br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top>data unsigned char </td><td class="memItemRight" valign=bottom><a class="el" href="filesys_8h.html#a6">fatSectorsPerCluster</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">FAT Global sectors per cluster. <a href="#a6"></a><br><br></td></tr></table><hr><a name="_details"></a><h2>Detailed Description</h2>File system interface, Implemented: FAT16, FAT32. <p><p>Definition in file <a class="el" href="filesys_8h-source.html">filesys.h</a>.<hr><h2>Define Documentation</h2><a class="anchor" name="a0" doxytag="filesys.h::IS_FAT_32" ></a><p><table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> #define IS_FAT_32 UDF </td> </tr> </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>Use PSW User Definable Flag to indicate FAT16/32. <p><p>Definition at line <a class="el" href="filesys_8h-source.html#l00015">15</a> of file <a class="el" href="filesys_8h-source.html">filesys.h</a>.<p>Referenced by <a class="el" href="filesys_8c-source.html#l00401">BuildFragmentTable()</a>, <a class="el" href="filesys_8c-source.html#l00806">FatInitGlobals()</a>, <a class="el" href="filesys_8c-source.html#l00085">GetFatEntry()</a>, <a class="el" href="filesys_8c-source.html#l00303">GetNextSector()</a>, and <a class="el" href="filesys_8c-source.html#l00129">WriteClusterChain()</a>. </td> </tr></table><a class="anchor" name="a1" doxytag="filesys.h::MAX_NUMBER_FRAGMENTS" ></a><p><table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> #define MAX_NUMBER_FRAGMENTS 10 </td> </tr> </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>Maximum allowable number of fragments in file. <p>?? 快捷鍵說明
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