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ESP3D/extra-libraries/ESP8266/ESP8266SdFat/doc/html/class_ex_fat_partition.html
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2023-10-02 19:55:18 +08:00

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<a href="#pub-methods">Public Member Functions</a> &#124;
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<p>Access exFat partitions on raw file devices.
<a href="class_ex_fat_partition.html#details">More...</a></p>
<p><code>#include &lt;ExFatPartition.h&gt;</code></p>
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Inheritance diagram for ExFatPartition:</div>
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Public Member Functions</h2></td></tr>
<tr class="memitem:ac2b5adafda0a9b52ffedf964e355da31"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_ex_fat_partition.html#ac2b5adafda0a9b52ffedf964e355da31">bytesPerCluster</a> () const</td></tr>
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<tr class="memitem:aedaebff39e7cbae66f226e9c7593b5b6"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_ex_fat_partition.html#aedaebff39e7cbae66f226e9c7593b5b6">bytesPerClusterShift</a> () const</td></tr>
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<tr class="memitem:aa4ff8402ba78a2de52ed61175a044ee3"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_ex_fat_partition.html#aa4ff8402ba78a2de52ed61175a044ee3">sectorsPerClusterShift</a> () const</td></tr>
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Friends</h2></td></tr>
<tr class="memitem:a0ea68fb710b4ca007419acbf84ca6908"><td class="memItemLeft" align="right" valign="top">class&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_ex_fat_partition.html#a0ea68fb710b4ca007419acbf84ca6908">ExFatFile</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Access exFat partitions on raw file devices. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="ac2b5adafda0a9b52ffedf964e355da31"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac2b5adafda0a9b52ffedf964e355da31">&#9670;&nbsp;</a></span>bytesPerCluster()</h2>
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<td class="memname">uint32_t ExFatPartition::bytesPerCluster </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>the number of bytes in a cluster. </dd></dl>
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</div>
<a id="aedaebff39e7cbae66f226e9c7593b5b6"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aedaebff39e7cbae66f226e9c7593b5b6">&#9670;&nbsp;</a></span>bytesPerClusterShift()</h2>
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<td class="memname">uint8_t ExFatPartition::bytesPerClusterShift </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>the power of two for bytesPerCluster. </dd></dl>
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<a id="a3859310dde1f70daaca0ebcf274cb558"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a3859310dde1f70daaca0ebcf274cb558">&#9670;&nbsp;</a></span>bytesPerSector()</h2>
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<td class="memname">uint16_t ExFatPartition::bytesPerSector </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>the number of bytes in a sector. </dd></dl>
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<a id="a226e452b6ae5c6846059e4acd21be1f1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a226e452b6ae5c6846059e4acd21be1f1">&#9670;&nbsp;</a></span>bytesPerSectorShift()</h2>
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<td class="memname">uint8_t ExFatPartition::bytesPerSectorShift </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>the power of two for bytesPerSector. </dd></dl>
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<a id="a63fac808e421ed5c8e72a37616ac56ac"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a63fac808e421ed5c8e72a37616ac56ac">&#9670;&nbsp;</a></span>cacheClear()</h2>
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<td class="memname">uint8_t* ExFatPartition::cacheClear </td>
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<td class="paramname"></td><td>)</td>
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<p>Clear the cache and returns a pointer to the cache. Not for normal apps. </p><dl class="section return"><dt>Returns</dt><dd>A pointer to the cache buffer or zero if an error occurs. </dd></dl>
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<a id="a17b72f8a437c5663a04473606fd36d58"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a17b72f8a437c5663a04473606fd36d58">&#9670;&nbsp;</a></span>clusterCount()</h2>
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<td class="memname">uint32_t ExFatPartition::clusterCount </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>the cluster count for the partition. </dd></dl>
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<a id="a2f75613844b26a2a574a0ee31005b1a0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a2f75613844b26a2a574a0ee31005b1a0">&#9670;&nbsp;</a></span>clusterHeapStartSector()</h2>
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<td class="memname">uint32_t ExFatPartition::clusterHeapStartSector </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>the cluster heap start sector. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a12e390567f2217f804af9b1ea397780c">&#9670;&nbsp;</a></span>fatLength()</h2>
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<td class="memname">uint32_t ExFatPartition::fatLength </td>
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<dl class="section return"><dt>Returns</dt><dd>the FAT length in sectors </dd></dl>
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<a id="ab63f9a3aacc0aeccae138a77cccbbb5b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab63f9a3aacc0aeccae138a77cccbbb5b">&#9670;&nbsp;</a></span>fatStartSector()</h2>
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<dl class="section return"><dt>Returns</dt><dd>the FAT start sector number. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a3e63d87b4ef985f92c1793d269274f44">&#9670;&nbsp;</a></span>fatType()</h2>
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<dl class="section return"><dt>Returns</dt><dd>Type FAT_TYPE_EXFAT for exFAT partition or zero for error. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ae6d4414d6440b79b6314cd1edbaa35b0">&#9670;&nbsp;</a></span>freeClusterCount()</h2>
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<dl class="section return"><dt>Returns</dt><dd>the free cluster count. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#adb1d277492dccba09031e2064f4fa66f">&#9670;&nbsp;</a></span>init()</h2>
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<td class="memname">bool ExFatPartition::init </td>
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<td class="paramname"><em>dev</em>, </td>
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<td class="paramtype">uint8_t&#160;</td>
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<p>Initialize a exFAT partition. </p><dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir">[in]</td><td class="paramname">dev</td><td>The blockDevice for the partition. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">part</td><td>The partition to be used. Legal values for <em>part</em> are 1-4 to use the corresponding partition on a device formatted with a MBR, Master Boot Record, or zero if the device is formatted as a super floppy with the FAT boot sector in sector zero.</td></tr>
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<dl class="section return"><dt>Returns</dt><dd>true for success or false for failure. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ac7ddc5d4efd1651816f1284980b6f790">&#9670;&nbsp;</a></span>rootDirectoryCluster()</h2>
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<td class="memname">uint32_t ExFatPartition::rootDirectoryCluster </td>
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<dl class="section return"><dt>Returns</dt><dd>the root directory start cluster number. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a9412bd687edc99266c88f8aa87f01c51">&#9670;&nbsp;</a></span>rootLength()</h2>
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<td class="memname">uint32_t ExFatPartition::rootLength </td>
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<dl class="section return"><dt>Returns</dt><dd>the root directory length. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a12798377b4d3cb16891607c543d0bded">&#9670;&nbsp;</a></span>sectorsPerCluster()</h2>
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<td class="memname">uint32_t ExFatPartition::sectorsPerCluster </td>
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<dl class="section return"><dt>Returns</dt><dd>the number of sectors in a cluster. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#aa4ff8402ba78a2de52ed61175a044ee3">&#9670;&nbsp;</a></span>sectorsPerClusterShift()</h2>
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<td class="memname">uint8_t ExFatPartition::sectorsPerClusterShift </td>
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<dl class="section return"><dt>Returns</dt><dd>the power of two for sectors per cluster. </dd></dl>
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<h2 class="groupheader">Friends And Related Function Documentation</h2>
<a id="a0ea68fb710b4ca007419acbf84ca6908"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a0ea68fb710b4ca007419acbf84ca6908">&#9670;&nbsp;</a></span>ExFatFile</h2>
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<td class="memname">friend class <a class="el" href="class_ex_fat_file.html">ExFatFile</a></td>
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<span class="mlabels"><span class="mlabel">friend</span></span> </td>
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<p><a class="el" href="class_ex_fat_file.html" title="Basic file class.">ExFatFile</a> allowed access to private members. </p>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li>Arduino/libraries/SdFat/src/ExFatLib/<a class="el" href="_ex_fat_partition_8h.html">ExFatPartition.h</a></li>
<li>Arduino/libraries/SdFat/src/ExFatLib/ExFatPartition.cpp</li>
</ul>
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