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<a href="#pub-methods">Public Member Functions</a> &#124;
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<p>Main file system class for SdFat library.  
 <a href="class_sd_fat.html#details">More...</a></p>

<p><code>#include &lt;SdFat.h&gt;</code></p>
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Inheritance diagram for SdFat:</div>
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Collaboration diagram for SdFat:</div>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a05bd3d358a708efe2f9002d05c3a4139"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_file_system.html#a05bd3d358a708efe2f9002d05c3a4139">begin</a> (uint8_t part=0)</td></tr>
<tr class="separator:a05bd3d358a708efe2f9002d05c3a4139"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3d3f2cc4df1b6f2a129c3a614c1e5e1f"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_fat_base.html#a3d3f2cc4df1b6f2a129c3a614c1e5e1f">begin</a> (<a class="el" href="class_sd_spi_card.html#a31a561750501b6635ad2b85c8c960381">SdSpiCard::m_spi_t</a> *spi, uint8_t csPin=SS, uint8_t divisor=2)</td></tr>
<tr class="separator:a3d3f2cc4df1b6f2a129c3a614c1e5e1f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9552f4c1811a1d3c00e183cf12afd45d"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_fat.html#a9552f4c1811a1d3c00e183cf12afd45d">begin</a> (uint8_t csPin=SS, uint8_t divisor=2)</td></tr>
<tr class="separator:a9552f4c1811a1d3c00e183cf12afd45d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a06beed4cea5e38116b58254a57125442"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_volume.html#a06beed4cea5e38116b58254a57125442">blocksPerCluster</a> () const </td></tr>
<tr class="separator:a06beed4cea5e38116b58254a57125442"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:abc66d856d05198d9ebe7104c8c4155d7"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_volume.html#abc66d856d05198d9ebe7104c8c4155d7">blocksPerFat</a> () const </td></tr>
<tr class="separator:abc66d856d05198d9ebe7104c8c4155d7"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa1e3b1d0c21d202deb82668068ab00e8"><td class="memItemLeft" align="right" valign="top"><a class="el" href="unioncache__t.html">cache_t</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_volume.html#aa1e3b1d0c21d202deb82668068ab00e8">cacheClear</a> ()</td></tr>
<tr class="separator:aa1e3b1d0c21d202deb82668068ab00e8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a899294ced4e4585feae7668099338534"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_sd_spi_card.html">SdSpiCard</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_fat_base.html#a899294ced4e4585feae7668099338534">card</a> ()</td></tr>
<tr class="separator:a899294ced4e4585feae7668099338534"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae60c555879572052295b55fe2886d43a"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_fat.html#ae60c555879572052295b55fe2886d43a">cardBegin</a> (uint8_t csPin=SS, uint8_t divisor=2)</td></tr>
<tr class="separator:ae60c555879572052295b55fe2886d43a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a5667915e63187a43a71dfada63800865"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_file_system.html#a5667915e63187a43a71dfada63800865">chdir</a> (bool set_cwd=false)</td></tr>
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<tr class="memitem:a44af1b98e8d986d12107b654453acbc4"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_file_system.html#a44af1b98e8d986d12107b654453acbc4">chdir</a> (const char *path, bool set_cwd=false)</td></tr>
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<tr class="memitem:af24917d6e00c8766dab168eb834047ec"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_file_system.html#af24917d6e00c8766dab168eb834047ec">chvol</a> ()</td></tr>
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<tr class="memitem:a18446a9c5924304fa7a87d5f03ccaf21"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_volume.html#a18446a9c5924304fa7a87d5f03ccaf21">clusterCount</a> () const </td></tr>
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<tr class="memitem:ac0e63f33d71d5dc95a602834274def6a"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_volume.html#ac0e63f33d71d5dc95a602834274def6a">clusterSizeShift</a> () const </td></tr>
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<tr class="memitem:a443364af257c219f8e908d5b073d8fa3"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_volume.html#a443364af257c219f8e908d5b073d8fa3">dataStartBlock</a> () const </td></tr>
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<tr class="memitem:a25c6311b70fa274b3be94ff25fdebba7"><td class="memItemLeft" align="right" valign="top">int8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_volume.html#a25c6311b70fa274b3be94ff25fdebba7">dbgFat</a> (uint32_t n, uint32_t *v)</td></tr>
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<tr class="memitem:a905d883dcbaa60aa35a6eb0cad63cc9e"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_fat_base.html#a905d883dcbaa60aa35a6eb0cad63cc9e">errorHalt</a> ()</td></tr>
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<tr class="memitem:ae8cf95abf0ffb1c7a55eb1a192c28982"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_fat_base.html#ae8cf95abf0ffb1c7a55eb1a192c28982">errorHalt</a> (Print *pr)</td></tr>
<tr class="separator:ae8cf95abf0ffb1c7a55eb1a192c28982"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a07e04b976ffcaf7e9492e50c6e4900a8"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_fat_base.html#a07e04b976ffcaf7e9492e50c6e4900a8">errorHalt</a> (char const *msg)</td></tr>
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<tr class="memitem:a7c52e1a1909c9aa532b8525cf721fd89"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_fat_base.html#a7c52e1a1909c9aa532b8525cf721fd89">errorHalt</a> (Print *pr, char const *msg)</td></tr>
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<tr class="memitem:a111cecbcc7ea5c068c44051491a77a52"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_fat_base.html#a111cecbcc7ea5c068c44051491a77a52">errorHalt</a> (const __FlashStringHelper *msg)</td></tr>
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<tr class="memitem:a4c34e68605243269f96122a9cb909004"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_fat_base.html#a4c34e68605243269f96122a9cb909004">errorHalt</a> (Print *pr, const __FlashStringHelper *msg)</td></tr>
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<tr class="memitem:a2deadc5b8bcdf5710fefba39b895e008"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_fat_base.html#a2deadc5b8bcdf5710fefba39b895e008">errorPrint</a> ()</td></tr>
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<tr class="memitem:aaa950f290e41c0ff2d62b94cb425ba12"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_fat_base.html#aaa950f290e41c0ff2d62b94cb425ba12">errorPrint</a> (Print *pr)</td></tr>
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<tr class="memitem:a84fe32d89460471cf9f66495f545e2ae"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_fat_base.html#a84fe32d89460471cf9f66495f545e2ae">errorPrint</a> (const char *msg)</td></tr>
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<tr class="memitem:a5ecc4177c65f8e2837a9ef4d17368a98"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_fat_base.html#a5ecc4177c65f8e2837a9ef4d17368a98">errorPrint</a> (Print *pr, char const *msg)</td></tr>
<tr class="separator:a5ecc4177c65f8e2837a9ef4d17368a98"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7eed2449f96d62e87bea96c6da4f618a"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_fat_base.html#a7eed2449f96d62e87bea96c6da4f618a">errorPrint</a> (const __FlashStringHelper *msg)</td></tr>
<tr class="separator:a7eed2449f96d62e87bea96c6da4f618a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aace11e097b69144a80a4abbca54d35b0"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_fat_base.html#aace11e097b69144a80a4abbca54d35b0">errorPrint</a> (Print *pr, const __FlashStringHelper *msg)</td></tr>
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<tr class="memitem:aee58c6352652f216577196e32a594b67"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_file_system.html#aee58c6352652f216577196e32a594b67">exists</a> (const char *path)</td></tr>
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<tr class="memitem:acdedc6a200b01e401c9cd9b511eae6ec"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_volume.html#acdedc6a200b01e401c9cd9b511eae6ec">fatCount</a> ()</td></tr>
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<tr class="memitem:a0dd0cc689b63ef0702aed1cf36b1722d"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_volume.html#a0dd0cc689b63ef0702aed1cf36b1722d">fatStartBlock</a> () const </td></tr>
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<tr class="memitem:a1364f11fe9bb4717ce0685e2b7b86027"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_volume.html#a1364f11fe9bb4717ce0685e2b7b86027">fatType</a> () const </td></tr>
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<tr class="memitem:a1683b063fc6202ab85470b9610f16f93"><td class="memItemLeft" align="right" valign="top">int32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_volume.html#a1683b063fc6202ab85470b9610f16f93">freeClusterCount</a> ()</td></tr>
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<tr class="memitem:a389f0ef6fb556c67b48ade5c0c1b3a9a"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_fat_base.html#a389f0ef6fb556c67b48ade5c0c1b3a9a">fsBegin</a> ()</td></tr>
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<tr class="memitem:acab819fa25a91dad1cc698a7e1e0eb32"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_volume.html#acab819fa25a91dad1cc698a7e1e0eb32">init</a> ()</td></tr>
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<tr class="memitem:a034d997a1e7a0b2b664a4357bcccd256"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_volume.html#a034d997a1e7a0b2b664a4357bcccd256">init</a> (uint8_t part)</td></tr>
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<tr class="memitem:adbfd9264f972f054e561128bad0b267e"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_fat_base.html#adbfd9264f972f054e561128bad0b267e">initErrorHalt</a> ()</td></tr>
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<tr class="memitem:a86770dd889bffc5788172c8d34a3582c"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_fat_base.html#a86770dd889bffc5788172c8d34a3582c">initErrorHalt</a> (Print *pr)</td></tr>
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<tr class="memitem:a0d4c851a3243c9f8c21d3894821292e9"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_fat_base.html#a0d4c851a3243c9f8c21d3894821292e9">initErrorHalt</a> (char const *msg)</td></tr>
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<tr class="memitem:a02f18794078b7a1c9662c3ded438cff4"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_fat_base.html#a02f18794078b7a1c9662c3ded438cff4">initErrorHalt</a> (Print *pr, char const *msg)</td></tr>
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<tr class="memitem:aa93c7fec40b37e7f5dd1e362ebf5ff69"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_fat_base.html#aa93c7fec40b37e7f5dd1e362ebf5ff69">initErrorHalt</a> (Print *pr, const __FlashStringHelper *msg)</td></tr>
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<tr class="memitem:aca07f92b3a06ede0e7a56b68b76dc3b7"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_fat_base.html#aca07f92b3a06ede0e7a56b68b76dc3b7">initErrorPrint</a> (Print *pr, char const *msg)</td></tr>
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<tr class="memitem:ac0b7161c1385841264323ac244f5c89c"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_fat_base.html#ac0b7161c1385841264323ac244f5c89c">initErrorPrint</a> (Print *pr, const __FlashStringHelper *msg)</td></tr>
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<tr class="memitem:a2398fb37a7a9d5e0dc0ffde6a44a993d"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_file_system.html#a2398fb37a7a9d5e0dc0ffde6a44a993d">ls</a> (uint8_t flags=0)</td></tr>
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<tr class="memitem:a947e4586077a922892b632edac33b67a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_file.html">File</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_file_system.html#a947e4586077a922892b632edac33b67a">open</a> (const char *path, uint8_t mode=<a class="el" href="_arduino_files_8h.html#ad52d51659a75e25d96fb04d22ff718cb">FILE_READ</a>)</td></tr>
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<tr class="memitem:ab2d483670a0a6a6a4754b23614fe11bc"><td class="memItemLeft" align="right" valign="top">uint16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_volume.html#ab2d483670a0a6a6a4754b23614fe11bc">rootDirEntryCount</a> () const </td></tr>
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<tr class="memitem:a4ca68fe47bb675df0a80df1ed7a53698"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_fat_volume.html">FatVolume</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_file_system.html#a4ca68fe47bb675df0a80df1ed7a53698">vol</a> ()</td></tr>
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<tr class="memitem:a07bc98088ce4a9c725700899c184f7fc"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_volume.html#a07bc98088ce4a9c725700899c184f7fc">volumeBlockCount</a> () const </td></tr>
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<tr class="memitem:acf257d02b7166683bda2abc5058004bf"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_fat_file.html">FatFile</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_file_system.html#acf257d02b7166683bda2abc5058004bf">vwd</a> ()</td></tr>
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<tr class="memitem:a36d7831f92acfbfef1c4a24dd7103dc4"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_file_system.html#a36d7831f92acfbfef1c4a24dd7103dc4">wipe</a> (<a class="el" href="_fat_volume_8h.html#ac62f6449331cfe1a71f29be30efe7890">print_t</a> *pr=0)</td></tr>
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</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Main file system class for SdFat library. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
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          <td class="memname">bool FatFileSystem::begin </td>
          <td>(</td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>part</em> = <code>0</code></td><td>)</td>
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<p>Initialize an <a class="el" href="class_fat_file_system.html" title="Integration class for the FatLib library. ">FatFileSystem</a> object. </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">part</td><td>partition to initialize. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>The value true is returned for success and the value false is returned for failure. </dd></dl>

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          <td class="memname">bool SdFatBase::begin </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="class_sd_spi_card.html#a31a561750501b6635ad2b85c8c960381">SdSpiCard::m_spi_t</a> *&#160;</td>
          <td class="paramname"><em>spi</em>, </td>
        </tr>
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          <td class="paramkey"></td>
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          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>csPin</em> = <code>SS</code>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>divisor</em> = <code>2</code>&#160;</td>
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<p>Initialize SD card and file system. </p><dl class="params"><dt>Parameters</dt><dd>
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    <tr><td class="paramdir">[in]</td><td class="paramname">spi</td><td>SPI object for the card. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">csPin</td><td>SD card chip select pin. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">divisor</td><td>SPI divisor. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>true for success else false. </dd></dl>

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          <td>(</td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>csPin</em> = <code>SS</code>, </td>
        </tr>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>divisor</em> = <code>2</code>&#160;</td>
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<p>Initialize SD card and file system.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">csPin</td><td>SD card chip select pin. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">divisor</td><td>SPI divisor. </td></tr>
  </table>
  </dd>
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<dl class="section return"><dt>Returns</dt><dd>true for success else false. </dd></dl>

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          <td class="memname">uint8_t FatVolume::blocksPerCluster </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 volume's cluster size in blocks. </dd></dl>

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          <td class="memname">uint32_t FatVolume::blocksPerFat </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 blocks in one FAT. </dd></dl>

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          <td class="memname"><a class="el" href="unioncache__t.html">cache_t</a>* FatVolume::cacheClear </td>
          <td>(</td>
          <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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          <td class="memname"><a class="el" href="class_sd_spi_card.html">SdSpiCard</a>* SdFatBase::card </td>
          <td>(</td>
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<dl class="section return"><dt>Returns</dt><dd>Pointer to SD card object </dd></dl>

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          <td>(</td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>csPin</em> = <code>SS</code>, </td>
        </tr>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>divisor</em> = <code>2</code>&#160;</td>
        </tr>
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          <td></td>
          <td>)</td>
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<p>Diagnostic call to initialize SD card - use for diagnostic purposes only. </p><dl class="params"><dt>Parameters</dt><dd>
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    <tr><td class="paramdir">[in]</td><td class="paramname">csPin</td><td>SD card chip select pin. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">divisor</td><td>SPI divisor. </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>true for success else false. </dd></dl>

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          <td class="memname">bool FatFileSystem::chdir </td>
          <td>(</td>
          <td class="paramtype">bool&#160;</td>
          <td class="paramname"><em>set_cwd</em> = <code>false</code></td><td>)</td>
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<p>Change a volume's working directory to root</p>
<p>Changes the volume's working directory to the SD's root directory. Optionally set the current working directory to the volume's working directory.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">set_cwd</td><td>Set the current working directory to this volume's working directory if true.</td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The value true is returned for success and the value false is returned for failure. </dd></dl>

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          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>path</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">bool&#160;</td>
          <td class="paramname"><em>set_cwd</em> = <code>false</code>&#160;</td>
        </tr>
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          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
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<p>Change a volume's working directory</p>
<p>Changes the volume working directory to the <em>path</em> subdirectory. Optionally set the current working directory to the volume's working directory.</p>
<p>Example: If the volume's working directory is "/DIR", chdir("SUB") will change the volume's working directory from "/DIR" to "/DIR/SUB".</p>
<p>If path is "/", the volume's working directory will be changed to the root directory</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">path</td><td>The name of the subdirectory.</td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">set_cwd</td><td>Set the current working directory to this volume's working directory if true.</td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The value true is returned for success and the value false is returned for failure. </dd></dl>

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          <td class="memname">void FatFileSystem::chvol </td>
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          <td class="paramname"></td><td>)</td>
          <td></td>
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<p>Set the current working directory to a volume's working directory.</p>
<p>This is useful with multiple SD cards.</p>
<p>The current working directory is changed to this volume's working directory.</p>
<p>This is like the Windows/DOS &lt;drive letter&gt;: command. </p>

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          <td class="memname">uint32_t FatVolume::clusterCount </td>
          <td>(</td>
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          <td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>The total number of clusters in the volume. </dd></dl>

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          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>The shift count required to multiply by blocksPerCluster. </dd></dl>

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          <td class="memname">uint32_t FatVolume::dataStartBlock </td>
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          <td class="paramname"></td><td>)</td>
          <td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>The logical block number for the start of file data. </dd></dl>

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          <td class="memname">int8_t FatVolume::dbgFat </td>
          <td>(</td>
          <td class="paramtype">uint32_t&#160;</td>
          <td class="paramname"><em>n</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint32_t *&#160;</td>
          <td class="paramname"><em>v</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
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<p>Debug access to FAT table</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">n</td><td>cluster number. </td></tr>
    <tr><td class="paramdir">[out]</td><td class="paramname">v</td><td>value of entry </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>true for success or false for failure </dd></dl>

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          <td class="memname">void SdFatBase::errorHalt </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
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<p>Print any SD error code to Serial and halt. </p>

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          <td class="memname">void SdFatBase::errorHalt </td>
          <td>(</td>
          <td class="paramtype">Print *&#160;</td>
          <td class="paramname"><em>pr</em></td><td>)</td>
          <td></td>
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<p>Print any SD error code and halt.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">pr</td><td>Print destination. </td></tr>
  </table>
  </dd>
</dl>

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          <td class="memname">void SdFatBase::errorHalt </td>
          <td>(</td>
          <td class="paramtype">char const *&#160;</td>
          <td class="paramname"><em>msg</em></td><td>)</td>
          <td></td>
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<p>Print msg, any SD error code and halt.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">msg</td><td>Message to print. </td></tr>
  </table>
  </dd>
</dl>

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          <td class="memname">void SdFatBase::errorHalt </td>
          <td>(</td>
          <td class="paramtype">Print *&#160;</td>
          <td class="paramname"><em>pr</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">char const *&#160;</td>
          <td class="paramname"><em>msg</em>&#160;</td>
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          <td></td>
          <td>)</td>
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<p>Print msg, any SD error code, and halt.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">pr</td><td>Print destination. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">msg</td><td>Message to print. </td></tr>
  </table>
  </dd>
</dl>

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          <td class="memname">void SdFatBase::errorHalt </td>
          <td>(</td>
          <td class="paramtype">const __FlashStringHelper *&#160;</td>
          <td class="paramname"><em>msg</em></td><td>)</td>
          <td></td>
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<p>Print msg, any SD error code, and halt.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">msg</td><td>Message to print. </td></tr>
  </table>
  </dd>
</dl>

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          <td class="memname">void SdFatBase::errorHalt </td>
          <td>(</td>
          <td class="paramtype">Print *&#160;</td>
          <td class="paramname"><em>pr</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const __FlashStringHelper *&#160;</td>
          <td class="paramname"><em>msg</em>&#160;</td>
        </tr>
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          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
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<p>Print msg, any SD error code, and halt.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">pr</td><td>Print destination. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">msg</td><td>Message to print. </td></tr>
  </table>
  </dd>
</dl>

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          <td class="memname">void SdFatBase::errorPrint </td>
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          <td class="paramname"></td><td>)</td>
          <td></td>
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<p>Print any SD error code to Serial </p>

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          <td class="memname">void SdFatBase::errorPrint </td>
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          <td class="paramtype">Print *&#160;</td>
          <td class="paramname"><em>pr</em></td><td>)</td>
          <td></td>
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<p>Print any SD error code. </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">pr</td><td>Print device. </td></tr>
  </table>
  </dd>
</dl>

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          <td class="memname">void SdFatBase::errorPrint </td>
          <td>(</td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>msg</em></td><td>)</td>
          <td></td>
        </tr>
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<p>Print msg, any SD error code.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">msg</td><td>Message to print. </td></tr>
  </table>
  </dd>
</dl>

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          <td>(</td>
          <td class="paramtype">Print *&#160;</td>
          <td class="paramname"><em>pr</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">char const *&#160;</td>
          <td class="paramname"><em>msg</em>&#160;</td>
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          <td>)</td>
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<p>Print msg, any SD error code.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">pr</td><td>Print destination. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">msg</td><td>Message to print. </td></tr>
  </table>
  </dd>
</dl>

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          <td class="memname">void SdFatBase::errorPrint </td>
          <td>(</td>
          <td class="paramtype">const __FlashStringHelper *&#160;</td>
          <td class="paramname"><em>msg</em></td><td>)</td>
          <td></td>
        </tr>
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<p>Print msg, any SD error code.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">msg</td><td>Message to print. </td></tr>
  </table>
  </dd>
</dl>

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          <td>(</td>
          <td class="paramtype">Print *&#160;</td>
          <td class="paramname"><em>pr</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const __FlashStringHelper *&#160;</td>
          <td class="paramname"><em>msg</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
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<p>Print msg, any SD error code.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">pr</td><td>Print destination. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">msg</td><td>Message to print. </td></tr>
  </table>
  </dd>
</dl>

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          <td class="memname">bool FatFileSystem::exists </td>
          <td>(</td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>path</em></td><td>)</td>
          <td></td>
        </tr>
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<p>Test for the existence of a file.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">path</td><td>Path of the file to be tested for.</td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>true if the file exists else false. </dd></dl>

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          <td class="memname">uint8_t FatVolume::fatCount </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
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<dl class="section return"><dt>Returns</dt><dd>The number of <a class="el" href="class_file.html" title="Arduino SD.h style File API. ">File</a> Allocation Tables. </dd></dl>

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          <td class="memname">uint32_t FatVolume::fatStartBlock </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 logical block number for the start of the first FAT. </dd></dl>

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          <td class="memname">uint8_t FatVolume::fatType </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td> const</td>
        </tr>
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<dl class="section return"><dt>Returns</dt><dd>The FAT type of the volume. Values are 12, 16 or 32. </dd></dl>

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          <td class="memname">int32_t FatVolume::freeClusterCount </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
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<p>Volume free space in clusters.</p>
<dl class="section return"><dt>Returns</dt><dd>Count of free clusters for success or -1 if an error occurs. </dd></dl>

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          <td class="memname">bool SdFatBase::fsBegin </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
      </table>
  </td>
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<p>Diagnostic call to initialize <a class="el" href="class_fat_file_system.html" title="Integration class for the FatLib library. ">FatFileSystem</a> - use for diagnostic purposes only. </p><dl class="section return"><dt>Returns</dt><dd>true for success else false. </dd></dl>

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          <td class="memname">bool FatVolume::init </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
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<p>Initialize a FAT volume. Try partition one first then try super floppy format.</p>
<dl class="section return"><dt>Returns</dt><dd>The value true is returned for success and the value false is returned for failure. </dd></dl>

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          <td class="memname">bool FatVolume::init </td>
          <td>(</td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>part</em></td><td>)</td>
          <td></td>
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<p>Initialize a FAT volume.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <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 block zero.</td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The value true is returned for success and the value false is returned for failure. </dd></dl>

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          <td class="memname">void SdFatBase::initErrorHalt </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
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<p>Print any SD error code and halt. </p>

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          <td class="memname">void SdFatBase::initErrorHalt </td>
          <td>(</td>
          <td class="paramtype">Print *&#160;</td>
          <td class="paramname"><em>pr</em></td><td>)</td>
          <td></td>
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<p>Print error details and halt after begin fails.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">pr</td><td>Print destination. </td></tr>
  </table>
  </dd>
</dl>

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          <td class="memname">void SdFatBase::initErrorHalt </td>
          <td>(</td>
          <td class="paramtype">char const *&#160;</td>
          <td class="paramname"><em>msg</em></td><td>)</td>
          <td></td>
        </tr>
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<p>Print message, error details, and halt after <a class="el" href="class_fat_volume.html#acab819fa25a91dad1cc698a7e1e0eb32">SdFat::init()</a> fails.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">msg</td><td>Message to print. </td></tr>
  </table>
  </dd>
</dl>

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          <td class="memname">void SdFatBase::initErrorHalt </td>
          <td>(</td>
          <td class="paramtype">Print *&#160;</td>
          <td class="paramname"><em>pr</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">char const *&#160;</td>
          <td class="paramname"><em>msg</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
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<p>Print message, error details, and halt after <a class="el" href="class_fat_volume.html#acab819fa25a91dad1cc698a7e1e0eb32">SdFatBase::init()</a> fails. </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">pr</td><td>Print device. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">msg</td><td>Message to print. </td></tr>
  </table>
  </dd>
</dl>

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          <td class="memname">void SdFatBase::initErrorHalt </td>
          <td>(</td>
          <td class="paramtype">const __FlashStringHelper *&#160;</td>
          <td class="paramname"><em>msg</em></td><td>)</td>
          <td></td>
        </tr>
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<p>Print message, error details, and halt after <a class="el" href="class_fat_volume.html#acab819fa25a91dad1cc698a7e1e0eb32">SdFat::init()</a> fails.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">msg</td><td>Message to print. </td></tr>
  </table>
  </dd>
</dl>

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          <td class="memname">void SdFatBase::initErrorHalt </td>
          <td>(</td>
          <td class="paramtype">Print *&#160;</td>
          <td class="paramname"><em>pr</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const __FlashStringHelper *&#160;</td>
          <td class="paramname"><em>msg</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
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<p>Print message, error details, and halt after <a class="el" href="class_fat_volume.html#acab819fa25a91dad1cc698a7e1e0eb32">SdFatBase::init()</a> fails. </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">pr</td><td>Print device for message. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">msg</td><td>Message to print. </td></tr>
  </table>
  </dd>
</dl>

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          <td class="memname">void SdFatBase::initErrorPrint </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
      </table>
  </td>
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<p>Print error details after <a class="el" href="class_fat_volume.html#acab819fa25a91dad1cc698a7e1e0eb32">SdFat::init()</a> fails. </p>

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          <td class="memname">void SdFatBase::initErrorPrint </td>
          <td>(</td>
          <td class="paramtype">Print *&#160;</td>
          <td class="paramname"><em>pr</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
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<p>Print error details after <a class="el" href="class_fat_volume.html#acab819fa25a91dad1cc698a7e1e0eb32">SdFatBase::init()</a> fails.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">pr</td><td>Print destination. </td></tr>
  </table>
  </dd>
</dl>

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          <td class="memname">void SdFatBase::initErrorPrint </td>
          <td>(</td>
          <td class="paramtype">char const *&#160;</td>
          <td class="paramname"><em>msg</em></td><td>)</td>
          <td></td>
        </tr>
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<p>Print message and error details and halt after <a class="el" href="class_fat_volume.html#acab819fa25a91dad1cc698a7e1e0eb32">SdFat::init()</a> fails.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">msg</td><td>Message to print. </td></tr>
  </table>
  </dd>
</dl>

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          <td class="memname">void SdFatBase::initErrorPrint </td>
          <td>(</td>
          <td class="paramtype">Print *&#160;</td>
          <td class="paramname"><em>pr</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">char const *&#160;</td>
          <td class="paramname"><em>msg</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
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<p>Print message and error details and halt after <a class="el" href="class_fat_volume.html#acab819fa25a91dad1cc698a7e1e0eb32">SdFatBase::init()</a> fails.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">pr</td><td>Print destination. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">msg</td><td>Message to print. </td></tr>
  </table>
  </dd>
</dl>

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          <td class="memname">void SdFatBase::initErrorPrint </td>
          <td>(</td>
          <td class="paramtype">const __FlashStringHelper *&#160;</td>
          <td class="paramname"><em>msg</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
  </td>
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<p>Print message and error details and halt after <a class="el" href="class_fat_volume.html#acab819fa25a91dad1cc698a7e1e0eb32">SdFat::init()</a> fails.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">msg</td><td>Message to print. </td></tr>
  </table>
  </dd>
</dl>

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          <td class="memname">void SdFatBase::initErrorPrint </td>
          <td>(</td>
          <td class="paramtype">Print *&#160;</td>
          <td class="paramname"><em>pr</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const __FlashStringHelper *&#160;</td>
          <td class="paramname"><em>msg</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
  </td>
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<p>Print message and error details and halt after <a class="el" href="class_fat_volume.html#acab819fa25a91dad1cc698a7e1e0eb32">SdFatBase::init()</a> fails.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">pr</td><td>Print destination. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">msg</td><td>Message to print. </td></tr>
  </table>
  </dd>
</dl>

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          <td class="memname">void FatFileSystem::ls </td>
          <td>(</td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>flags</em> = <code>0</code></td><td>)</td>
          <td></td>
        </tr>
      </table>
  </td>
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<p>List the directory contents of the volume working directory to Serial.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">flags</td><td>The inclusive OR of</td></tr>
  </table>
  </dd>
</dl>
<p>LS_DATE - Print file modification date</p>
<p>LS_SIZE - Print file size.</p>
<p>LS_R - Recursive list of subdirectories. </p>

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          <td class="memname">void FatFileSystem::ls </td>
          <td>(</td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>path</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>flags</em> = <code>0</code>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
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<p>List the directory contents of a directory to Serial.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">path</td><td>directory to list.</td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">flags</td><td>The inclusive OR of</td></tr>
  </table>
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<p>LS_DATE - Print file modification date</p>
<p>LS_SIZE - Print file size.</p>
<p>LS_R - Recursive list of subdirectories. </p>

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          <td class="memname">void FatFileSystem::ls </td>
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          <td class="paramtype">uint8_t&#160;</td>
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<p>List the directory contents of the volume working directory.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">pr</td><td>Print stream for list.</td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">flags</td><td>The inclusive OR of</td></tr>
  </table>
  </dd>
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<p>LS_DATE - Print file modification date</p>
<p>LS_SIZE - Print file size.</p>
<p>LS_R - Recursive list of subdirectories. </p>

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          <td class="memname">void FatFileSystem::ls </td>
          <td>(</td>
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          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>path</em>, </td>
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          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>flags</em>&#160;</td>
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<p>List the directory contents of a directory.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">pr</td><td>Print stream for list.</td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">path</td><td>directory to list.</td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">flags</td><td>The inclusive OR of</td></tr>
  </table>
  </dd>
</dl>
<p>LS_DATE - Print file modification date</p>
<p>LS_SIZE - Print file size.</p>
<p>LS_R - Recursive list of subdirectories. </p>

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        </tr>
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          <td class="paramtype">bool&#160;</td>
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<p>Make a subdirectory in the volume working directory.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">path</td><td>A path with a valid 8.3 DOS name for the subdirectory.</td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">pFlag</td><td>Create missing parent directories if true.</td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The value true is returned for success and the value false is returned for failure. </dd></dl>

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          <td class="memname"><a class="el" href="class_file.html">File</a> FatFileSystem::open </td>
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          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>mode</em> = <code><a class="el" href="_arduino_files_8h.html#ad52d51659a75e25d96fb04d22ff718cb">FILE_READ</a></code>&#160;</td>
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<p>open a file</p>
<dl class="params"><dt>Parameters</dt><dd>
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    <tr><td class="paramdir">[in]</td><td class="paramname">path</td><td>location of file to be opened. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">mode</td><td>open mode flags. </td></tr>
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  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>a <a class="el" href="class_file.html" title="Arduino SD.h style File API. ">File</a> object. </dd></dl>

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          <td class="memname">bool FatFileSystem::remove </td>
          <td>(</td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>path</em></td><td>)</td>
          <td></td>
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<p>Remove a file from the volume working directory.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">path</td><td>A path with a valid 8.3 DOS name for the file.</td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The value true is returned for success and the value false is returned for failure. </dd></dl>

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          <td class="memname">bool FatFileSystem::rename </td>
          <td>(</td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>oldPath</em>, </td>
        </tr>
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          <td class="paramkey"></td>
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          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>newPath</em>&#160;</td>
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<p>Rename a file or subdirectory.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">oldPath</td><td>Path name to the file or subdirectory to be renamed.</td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">newPath</td><td>New path name of the file or subdirectory.</td></tr>
  </table>
  </dd>
</dl>
<p>The <em>newPath</em> object must not exist before the rename call.</p>
<p>The file to be renamed must not be open. The directory entry may be moved and file system corruption could occur if the file is accessed by a file object that was opened before the <a class="el" href="class_fat_file_system.html#a0187891a24017b41bd7c5ba63e659e65">rename()</a> call.</p>
<dl class="section return"><dt>Returns</dt><dd>The value true is returned for success and the value false is returned for failure. </dd></dl>

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          <td class="memname">bool FatFileSystem::rmdir </td>
          <td>(</td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>path</em></td><td>)</td>
          <td></td>
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<p>Remove a subdirectory from the volume's working directory.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">path</td><td>A path with a valid 8.3 DOS name for the subdirectory.</td></tr>
  </table>
  </dd>
</dl>
<p>The subdirectory file will be removed only if it is empty.</p>
<dl class="section return"><dt>Returns</dt><dd>The value true is returned for success and the value false is returned for failure. </dd></dl>

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          <td class="memname">uint16_t FatVolume::rootDirEntryCount </td>
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          <td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>The number of entries in the root directory for FAT16 volumes. </dd></dl>

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          <td class="memname">uint32_t FatVolume::rootDirStart </td>
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          <td class="paramname"></td><td>)</td>
          <td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>The logical block number for the start of the root directory on FAT16 volumes or the first cluster number on FAT32 volumes. </dd></dl>

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          <td class="memname">bool FatFileSystem::truncate </td>
          <td>(</td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>path</em>, </td>
        </tr>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint32_t&#160;</td>
          <td class="paramname"><em>length</em>&#160;</td>
        </tr>
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          <td></td>
          <td>)</td>
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<p>Truncate a file to a specified length. The current file position will be maintained if it is less than or equal to <em>length</em> otherwise it will be set to end of file.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">path</td><td>A path with a valid 8.3 DOS name for the file. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">length</td><td>The desired length for the file.</td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The value true is returned for success and the value false is returned for failure. </dd></dl>

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          <td class="memname"><a class="el" href="class_fat_volume.html">FatVolume</a>* FatFileSystem::vol </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
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<dl class="section return"><dt>Returns</dt><dd>a pointer to the <a class="el" href="class_fat_volume.html" title="Access FAT16 and FAT32 volumes on raw file devices. ">FatVolume</a> object. </dd></dl>

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          <td class="memname">uint32_t FatVolume::volumeBlockCount </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 blocks in the volume </dd></dl>

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          <td class="memname"><a class="el" href="class_fat_file.html">FatFile</a>* FatFileSystem::vwd </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
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<dl class="section return"><dt>Returns</dt><dd>a pointer to the volume working directory. </dd></dl>

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          <td class="memname">bool FatFileSystem::wipe </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="_fat_volume_8h.html#ac62f6449331cfe1a71f29be30efe7890">print_t</a> *&#160;</td>
          <td class="paramname"><em>pr</em> = <code>0</code></td><td>)</td>
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<p>Wipe all data from the volume. You must reinitialize the volume before accessing it again. </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">pr</td><td>print stream for status dots. </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>true for success else false. </dd></dl>

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<hr/>The documentation for this class was generated from the following file:<ul>
<li>Arduino/libraries/SdFat/src/<a class="el" href="_sd_fat_8h.html">SdFat.h</a></li>
</ul>
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