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<title>ELM - 斈梡FAT僼傽僀儖僔僗僥儉丒儌僕儏乕儖</title>
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<h1>FAT僼傽僀儖僔僗僥儉丒儌僕儏乕儖</h1>
<hr>

<div class="abst">
<img src="layers.png" class="rset" width="245" height="255">
<p>彫婯柾側慻傒崬傒僔僗僥儉岦偗偺斈梡FAT僼傽僀儖僔僗僥儉丒儌僕儏乕儖偱偡丅ANSI C弨嫆偱僴乕僪僂僃傾丒傾乕僉僥僋僠儍偵偼埶懚偟側偄偺偱丄昁梫側儚乕僋僄儕傾偑妋曐偱偒傟偽丄PIC, AVR, H8, Z80側偳傎偲傫偳偺儅僀僐儞偱偦偺傑傑巊梡壜擻偱偡丅偄傠偄傠側巊梡宍懺傪峫椂偟偰丄崅懍斉乮FatFs乯偲徣儊儌儕斉乮Tiny-FatFs乯偺2捠傝傪嶌惉偟偰傒傑偟偨丅幚嵺偵巊梡偡傞偵偼丄奺婰榐儊僨傿傾乮CFC, MMC, SDC, ATA, USB, SCSI摍乯偵懳墳偟偨僨傿僗僋I/O儌僕儏乕儖乮僒儞僾儖偁傝乯傪梡堄偡傞昁梫偑偁傝傑偡丅</p>
<h4>FatFs儌僕儏乕儖偺摿挜</h4>
<ul>
 <li>僔僗僥儉梡偲奺僼傽僀儖梡僶僢僼傽傪暘棧偟丄暋悢僼傽僀儖偺崅懍傾僋僙僗偵揔偡傞</li>
 <li>儊儌儕偺徚旓偑彮側偄</li>
 <li>FAT12, FAT16(+FAT64), FAT32偵懳墳 <small>(FAT64: FAT16 in 64KB/cluster)</small></li>
 <li>8.3宍幃僼傽僀儖柤偲NT彫暥帤僼儔僌偵懳墳</li>
 <li>FDISK僼僅乕儅僢僩(婎杮嬫夋)偍傛傃SFD僼僅乕儅僢僩(512B/sector偺傒)偵懳墳</li>
</ul>
<h4>Tiny-FatFs儌僕儏乕儖偺摿挜</h4>
<ul>
 <li>僔僗僥儉梡偲奺僼傽僀儖梡僶僢僼傽傪嫟捠壔偟丄RAM偺巊梡検傪嶍尭</li>
 <li>儊儌儕偺徚旓偑彮側偔丄彫儊儌儕丒僔僗僥儉(1KB)偵懳墳</li>
 <li>FAT12, FAT16(+FAT64)偵懳墳</li>
 <li>8.3宍幃僼傽僀儖柤偲NT彫暥帤僼儔僌偵懳墳</li>
 <li>FDISK僼僅乕儅僢僩(婎杮嬫夋)偍傛傃SFD僼僅乕儅僢僩(512B/sector偺傒)偵懳墳</li>
</ul>
</div>


<div class="para">
<h3>儊儌儕巊梡</h3>
<p>偄偔偮偐偺僐儞僼傿僊儏儗乕僔儑儞丒僆僾僔儑儞偵傛傝丄晄梫側娭悢傪嶍偭偰儌僕儏乕儖僒僀僘傪嶍尭偱偒傑偡丅師偵幚嵺偺儊儌儕巊梡検[僶僀僩]傪帵偟傑偡(avrgcc偺椺)丅</p>

<div class="lset">
<table class="lst2">
 <caption>FatFs</caption>
 <tr><th>僙僋僔儑儞</th><th>昗弨</th><th>嵟彫</th></tr>
 <tr><td>Program (R/W cfg.)</td><td>8282</td><td>6294</td></tr>
 <tr><td>Program (R/O cfg.)</td><td>4482</td><td>3704</td></tr>
 <tr><td>Work Area (static)</td><td colspan="2">2</td>
 <tr><td>Work Area (dynamic)</td><td colspan="2">544 + 540 * &lt;files&gt;</td>
</table>
</div>
<table class="lst2">
 <caption>Tiny-FatFs</caption>
 <tr><th>僙僋僔儑儞</th><th>昗弨</th><th>嵟彫</th></tr>
 <tr><td>Program (R/W cfg.)</td><td>6868</td><td>5208</td></tr>
 <tr><td>Program (R/O cfg.)</td><td>3804</td><td>3136</td></tr>
 <tr><td>Work Area (static)</td><td colspan="2">2</td></tr>
 <tr><td>Work Area (dynamic)</td><td colspan="2">538 + 24 * &lt;files&gt;</td></tr>
</table>
</div>


<div class="para">
<h3>忋埵儗僀儎I/F</h3>
<p>FatFs/Tiny-FatFs儌僕儏乕儖偼丄師偺僼傽僀儖憖嶌娭悢傪採嫙偟偰偄傑偡丅</p>
<ul>
<li><a href="ja/open.html">f_open</a> - 僼傽僀儖偺僆乕僾儞丒嶌惉</li>
<li><a href="ja/close.html">f_close</a> - 僼傽僀儖偺僋儘乕僘</li>
<li><a href="ja/read.html">f_read</a> - 僼傽僀儖偺撉傒崬傒</li>
<li><a href="ja/write.html">f_write</a> - 僼傽僀儖偺彂偒崬傒</li>
<li><a href="ja/lseek.html">f_lseek</a> - 僼傽僀儖R/W億僀儞僞偺堏摦</li>
<li><a href="ja/sync.html">f_sync</a> - 僉儍僢僔儏偝傟偨僨乕僞偺僼儔僢僔儏</li>
<li><a href="ja/opendir.html">f_opendir</a> - 僨傿儗僋僩儕偺僆乕僾儞</li>
<li><a href="ja/readdir.html">f_readdir</a> - 僨傿儗僋僩儕偺撉傒弌偟</li>
<li><a href="ja/getfree.html">f_getfree</a> - 僨傿僗僋嬻偒椞堟偺庢摼</li>
<li><a href="ja/stat.html">f_stat</a> - 僼傽僀儖丒僗僥乕僞僗偺庢摼</li>
<li><a href="ja/mkdir.html">f_mkdir</a> - 僨傿儗僋僩儕偺嶌惉</li>
<li><a href="ja/unlink.html">f_unlink</a> - 僼傽僀儖傑偨偼僨傿儗僋僩儕偺嶍彍</li>
<li><a href="ja/chmod.html">f_chmod</a> - 僼傽僀儖傑偨偼僨傿儗僋僩儕懏惈偺曄峏</li>
<li><a href="ja/mountdrv.html">f_mountdrv</a> - 僼傽僀儖丒僔僗僥儉偺柧帵揑弶婜壔</li>
</ul>
</div>


<div class="para">
<h3>壓埵儗僀儎I/F</h3>
<p>FatFs/Tiny-FatFs儌僕儏乕儖偼丄暔棟僪儔僀僽傊偺傾僋僙僗傗尰嵼帪崗傪摼傞偨傔丄壓埵儗僀儎偵師偺僀儞僞乕僼僃乕僗傪梫媮偟傑偡丅</p>
<ul>
<li><a href="ja/dinit.html">disk_initialize</a> - 僨傿僗僋丒僪儔僀僽偺弶婜壔</li>
<li><a href="ja/dstat.html">disk_status</a> - 僨傿僗僋丒僪儔僀僽偺忬懺庢摼</li>
<li><a href="ja/dread.html">disk_read</a> - 僨傿僗僋偐傜偺撉傒崬傒</li>
<li><a href="ja/dwrite.html">disk_write</a> - 僨傿僗僋傊偺彂偒崬傒</li>
<li><a href="ja/fattime.html">get_fattime</a> - 擔晅丒帪崗偺庢摼</li>
</ul>
</div>


<div class="para">
<h3>帒椏</h3>
<p>FatFs/Tiny-FatFs儌僕儏乕儖偼僼儕乕僂僃傾偲偟偰嫵堢丒尋媶丒奐敪梡偵岞奐偟偰偄傑偡丅偳偺傛偆側棙梡栚揑乮屄恖丒旕彜梡丒彜梡乯偱傕巊梡丒夵曄丒攝晍偵偮偄偰堦愗偺惂尷偼偁傝傑偣傫偑丄慡偰棙梡幰偺愑擟偺壓偱偺棙梡偲偟傑偡丅</p>
<br>
<ul>
<li><a href="rwtest.png">僷僼僅乕儅儞僗丒僥僗僩</a>乮僥僗僩儃乕僪丗ATmega64/9.2MHz with <a href="rw_mmc.jpeg">MMC</a>/<a href="rw_ata.jpeg">HDD</a>/<a href="rw_cfc.jpeg">CFC</a>乯</li>
<li><a href="http://www.microsoft.com/whdc/system/platform/firmware/fatgen.mspx">FAT32巇條彂</a> (Microsoft)</li>
<li><a href="../../docs/mmc/mmc.html">MMC偺巊偄偐偨</a></li>
</ul>
</div>


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