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  65. <a href="#pub-methods">Public Member Functions</a> &#124;
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  66. <a href="#friends">Friends</a> &#124;
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  67. <a href="class_fat_partition-members.html">List of all members</a>  </div>
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  68.   <div class="headertitle">
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  69. <div class="title">FatPartition Class Reference</div>  </div>
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  71. <div class="contents">
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  72. 

  73. <p>Access FAT16 and FAT32 partitions on raw file devices.  
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  74.  <a href="class_fat_partition.html#details">More...</a></p>
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  75. 

  76. <p><code>#include &lt;FatPartition.h&gt;</code></p>
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  77. <div class="dynheader">
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  78. Inheritance diagram for FatPartition:</div>
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  88. <table class="memberdecls">
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  89. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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  90. Public Member Functions</h2></td></tr>
    91. 

  91. <tr class="memitem:a1c3ab374b425c27bb6b6ddd55752c056"><td class="memItemLeft" align="right" valign="top">uint16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_partition.html#a1c3ab374b425c27bb6b6ddd55752c056">bytesPerCluster</a> ()</td></tr>
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  93. <tr class="memitem:aaf43a09e71689c257f4b189ee307db4f"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_partition.html#aaf43a09e71689c257f4b189ee307db4f">bytesPerClusterShift</a> ()</td></tr>
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  95. <tr class="memitem:a1eba03c763bab44263735488435731f8"><td class="memItemLeft" align="right" valign="top">uint16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_partition.html#a1eba03c763bab44263735488435731f8">bytesPerSector</a> ()</td></tr>
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  97. <tr class="memitem:a4e513ab3fcfb95583092793116aa4df5"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_partition.html#a4e513ab3fcfb95583092793116aa4df5">bytesPerSectorShift</a> ()</td></tr>
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  99. <tr class="memitem:abf74c1e3c714b396e6271aee304c2448"><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_partition.html#abf74c1e3c714b396e6271aee304c2448">cacheClear</a> ()</td></tr>
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  101. <tr class="memitem:aba35645c23735c4833c07bc2b3adcd1f"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_partition.html#aba35645c23735c4833c07bc2b3adcd1f">clusterCount</a> () const</td></tr>
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  103. <tr class="memitem:a7e89ec91780f7dfa060b261c605bf2e5"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_partition.html#a7e89ec91780f7dfa060b261c605bf2e5">dataStartSector</a> () const</td></tr>
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  105. <tr class="memitem:a0af1e91a311180119b4a2c85d7e6e87e"><td class="memItemLeft" align="right" valign="top">int8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_partition.html#a0af1e91a311180119b4a2c85d7e6e87e">dbgFat</a> (uint32_t n, uint32_t *v)</td></tr>
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  107. <tr class="memitem:a56b37c3230818b9ae8e0a25c01a370a3"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_partition.html#a56b37c3230818b9ae8e0a25c01a370a3">fatCount</a> ()</td></tr>
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  109. <tr class="memitem:a2c94db084d89355da7695d82ee612f72"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_partition.html#a2c94db084d89355da7695d82ee612f72">FatPartition</a> ()</td></tr>
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  111. <tr class="memitem:a6a1ce7d707cf15bea08b63216413e055"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_partition.html#a6a1ce7d707cf15bea08b63216413e055">fatStartSector</a> () const</td></tr>
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  113. <tr class="memitem:ad45c276232d7093b82f1075e8c488bac"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_partition.html#ad45c276232d7093b82f1075e8c488bac">fatType</a> () const</td></tr>
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  115. <tr class="memitem:ac9689f1e11f59acc5f1b21ed9bb71174"><td class="memItemLeft" align="right" valign="top">int32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_partition.html#ac9689f1e11f59acc5f1b21ed9bb71174">freeClusterCount</a> ()</td></tr>
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  117. <tr class="memitem:ab827224f30eec57255d21cae589911ef"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_partition.html#ab827224f30eec57255d21cae589911ef">init</a> (<a class="el" href="class_sd_spi_card.html">BlockDevice</a> *dev, uint8_t part=1)</td></tr>
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  119. <tr class="memitem:a6ba99b9711269b5ab6ca091b88e81288"><td class="memItemLeft" align="right" valign="top">uint16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_partition.html#a6ba99b9711269b5ab6ca091b88e81288">rootDirEntryCount</a> () const</td></tr>
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  121. <tr class="memitem:a5d005e0f6fd4b84da8a5ebdea03aaf85"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_partition.html#a5d005e0f6fd4b84da8a5ebdea03aaf85">rootDirStart</a> () const</td></tr>
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  123. <tr class="memitem:a6b970fa2e06de1a826b09e251dc3119b"><td class="memItemLeft" align="right" valign="top">uint16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_partition.html#a6b970fa2e06de1a826b09e251dc3119b">sectorMask</a> ()</td></tr>
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    125. 

  125. <tr class="memitem:a836546c368e6ffe117e6ab8775d23eba"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_partition.html#a836546c368e6ffe117e6ab8775d23eba">sectorsPerCluster</a> () const</td></tr>
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    127. 

  127. <tr class="memitem:a593a27482ff8d993542d6f82bd92e26c"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_partition.html#a593a27482ff8d993542d6f82bd92e26c">sectorsPerClusterShift</a> () const</td></tr>
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    129. 

  129. <tr class="memitem:a1f5c7599333dbe152a3cdd60623ce6d1"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_partition.html#a1f5c7599333dbe152a3cdd60623ce6d1">sectorsPerFat</a> () const</td></tr>
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    131. 

  131. <tr class="memitem:a916ba7d67711bb62daf12ecd47ca4b8e"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_partition.html#a916ba7d67711bb62daf12ecd47ca4b8e">volumeSectorCount</a> () const</td></tr>
    132. 

  132. <tr class="separator:a916ba7d67711bb62daf12ecd47ca4b8e"><td class="memSeparator" colspan="2">&#160;</td></tr>
    133. 

  133. </table><table class="memberdecls">
    134. 

  134. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="friends"></a>
    135. 

  135. Friends</h2></td></tr>
    136. 

  136. <tr class="memitem:a1e97a7aed860b898c403cb29455b3fe7"><td class="memItemLeft" align="right" valign="top">class&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_partition.html#a1e97a7aed860b898c403cb29455b3fe7">FatCache</a></td></tr>
    137. 

  137. <tr class="separator:a1e97a7aed860b898c403cb29455b3fe7"><td class="memSeparator" colspan="2">&#160;</td></tr>
    138. 

  138. <tr class="memitem:a18fb15a715ea85037ab802286853103e"><td class="memItemLeft" align="right" valign="top">class&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_partition.html#a18fb15a715ea85037ab802286853103e">FatFile</a></td></tr>
    139. 

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  140. </table>
    141. 

  141. <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
    142. 

  142. <div class="textblock"><p>Access FAT16 and FAT32 partitions on raw file devices. </p>
    143. 

  143. </div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
    144. 

  144. <a id="a2c94db084d89355da7695d82ee612f72"></a>
    145. 

  145. <h2 class="memtitle"><span class="permalink"><a href="#a2c94db084d89355da7695d82ee612f72">&#9670;&nbsp;</a></span>FatPartition()</h2>
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  146. 

  147. <div class="memitem">
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  148. <div class="memproto">
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  149. <table class="mlabels">
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  151.   <td class="mlabels-left">
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    154. 

  154.           <td class="memname">FatPartition::FatPartition </td>
    155. 

  155.           <td>(</td>
    156. 

  156.           <td class="paramname"></td><td>)</td>
    157. 

  157.           <td></td>
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  158.         </tr>
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  159.       </table>
    160. 

  160.   </td>
    161. 

  161.   <td class="mlabels-right">
    162. 

  162. <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
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  163.   </tr>
    164. 

  164. </table>
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  165. </div><div class="memdoc">
    166. 

  166. <p>Create an instance of <a class="el" href="class_fat_partition.html" title="Access FAT16 and FAT32 partitions on raw file devices.">FatPartition</a> </p>
    167. 

  167. 

  168. </div>
    169. 

  169. </div>
    170. 

  170. <h2 class="groupheader">Member Function Documentation</h2>
    171. 

  171. <a id="a1c3ab374b425c27bb6b6ddd55752c056"></a>
    172. 

  172. <h2 class="memtitle"><span class="permalink"><a href="#a1c3ab374b425c27bb6b6ddd55752c056">&#9670;&nbsp;</a></span>bytesPerCluster()</h2>
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  179.       <table class="memname">
    180. 

  180.         <tr>
    181. 

  181.           <td class="memname">uint16_t FatPartition::bytesPerCluster </td>
    182. 

  182.           <td>(</td>
    183. 

  183.           <td class="paramname"></td><td>)</td>
    184. 

  184.           <td></td>
    185. 

  185.         </tr>
    186. 

  186.       </table>
    187. 

  187.   </td>
    188. 

  188.   <td class="mlabels-right">
    189. 

  189. <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
    190. 

  190.   </tr>
    191. 

  191. </table>
    192. 

  192. </div><div class="memdoc">
    193. 

  193. <dl class="section return"><dt>Returns</dt><dd>Number of bytes in a cluster. </dd></dl>
    194. 

  194. 

  195. </div>
    196. 

  196. </div>
    197. 

  197. <a id="aaf43a09e71689c257f4b189ee307db4f"></a>
    198. 

  198. <h2 class="memtitle"><span class="permalink"><a href="#aaf43a09e71689c257f4b189ee307db4f">&#9670;&nbsp;</a></span>bytesPerClusterShift()</h2>
    199. 

  199. 

  200. <div class="memitem">
    201. 

  201. <div class="memproto">
    202. 

  202. <table class="mlabels">
    203. 

  203.   <tr>
    204. 

  204.   <td class="mlabels-left">
    205. 

  205.       <table class="memname">
    206. 

  206.         <tr>
    207. 

  207.           <td class="memname">uint8_t FatPartition::bytesPerClusterShift </td>
    208. 

  208.           <td>(</td>
    209. 

  209.           <td class="paramname"></td><td>)</td>
    210. 

  210.           <td></td>
    211. 

  211.         </tr>
    212. 

  212.       </table>
    213. 

  213.   </td>
    214. 

  214.   <td class="mlabels-right">
    215. 

  215. <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
    216. 

  216.   </tr>
    217. 

  217. </table>
    218. 

  218. </div><div class="memdoc">
    219. 

  219. <dl class="section return"><dt>Returns</dt><dd>The shift count required to multiply by bytesPerCluster. </dd></dl>
    220. 

  220. 

  221. </div>
    222. 

  222. </div>
    223. 

  223. <a id="a1eba03c763bab44263735488435731f8"></a>
    224. 

  224. <h2 class="memtitle"><span class="permalink"><a href="#a1eba03c763bab44263735488435731f8">&#9670;&nbsp;</a></span>bytesPerSector()</h2>
    225. 

  225. 

  226. <div class="memitem">
    227. 

  227. <div class="memproto">
    228. 

  228. <table class="mlabels">
    229. 

  229.   <tr>
    230. 

  230.   <td class="mlabels-left">
    231. 

  231.       <table class="memname">
    232. 

  232.         <tr>
    233. 

  233.           <td class="memname">uint16_t FatPartition::bytesPerSector </td>
    234. 

  234.           <td>(</td>
    235. 

  235.           <td class="paramname"></td><td>)</td>
    236. 

  236.           <td></td>
    237. 

  237.         </tr>
    238. 

  238.       </table>
    239. 

  239.   </td>
    240. 

  240.   <td class="mlabels-right">
    241. 

  241. <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
    242. 

  242.   </tr>
    243. 

  243. </table>
    244. 

  244. </div><div class="memdoc">
    245. 

  245. <dl class="section return"><dt>Returns</dt><dd>Number of bytes per sector. </dd></dl>
    246. 

  246. 

  247. </div>
    248. 

  248. </div>
    249. 

  249. <a id="a4e513ab3fcfb95583092793116aa4df5"></a>
    250. 

  250. <h2 class="memtitle"><span class="permalink"><a href="#a4e513ab3fcfb95583092793116aa4df5">&#9670;&nbsp;</a></span>bytesPerSectorShift()</h2>
    251. 

  251. 

  252. <div class="memitem">
    253. 

  253. <div class="memproto">
    254. 

  254. <table class="mlabels">
    255. 

  255.   <tr>
    256. 

  256.   <td class="mlabels-left">
    257. 

  257.       <table class="memname">
    258. 

  258.         <tr>
    259. 

  259.           <td class="memname">uint8_t FatPartition::bytesPerSectorShift </td>
    260. 

  260.           <td>(</td>
    261. 

  261.           <td class="paramname"></td><td>)</td>
    262. 

  262.           <td></td>
    263. 

  263.         </tr>
    264. 

  264.       </table>
    265. 

  265.   </td>
    266. 

  266.   <td class="mlabels-right">
    267. 

  267. <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
    268. 

  268.   </tr>
    269. 

  269. </table>
    270. 

  270. </div><div class="memdoc">
    271. 

  271. <dl class="section return"><dt>Returns</dt><dd>The shift count required to multiply by bytesPerCluster. </dd></dl>
    272. 

  272. 

  273. </div>
    274. 

  274. </div>
    275. 

  275. <a id="abf74c1e3c714b396e6271aee304c2448"></a>
    276. 

  276. <h2 class="memtitle"><span class="permalink"><a href="#abf74c1e3c714b396e6271aee304c2448">&#9670;&nbsp;</a></span>cacheClear()</h2>
    277. 

  277. 

  278. <div class="memitem">
    279. 

  279. <div class="memproto">
    280. 

  280. <table class="mlabels">
    281. 

  281.   <tr>
    282. 

  282.   <td class="mlabels-left">
    283. 

  283.       <table class="memname">
    284. 

  284.         <tr>
    285. 

  285.           <td class="memname"><a class="el" href="unioncache__t.html">cache_t</a>* FatPartition::cacheClear </td>
    286. 

  286.           <td>(</td>
    287. 

  287.           <td class="paramname"></td><td>)</td>
    288. 

  288.           <td></td>
    289. 

  289.         </tr>
    290. 

  290.       </table>
    291. 

  291.   </td>
    292. 

  292.   <td class="mlabels-right">
    293. 

  293. <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
    294. 

  294.   </tr>
    295. 

  295. </table>
    296. 

  296. </div><div class="memdoc">
    297. 

  297. <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>
    298. 

  298. 

  299. </div>
    300. 

  300. </div>
    301. 

  301. <a id="aba35645c23735c4833c07bc2b3adcd1f"></a>
    302. 

  302. <h2 class="memtitle"><span class="permalink"><a href="#aba35645c23735c4833c07bc2b3adcd1f">&#9670;&nbsp;</a></span>clusterCount()</h2>
    303. 

  303. 

  304. <div class="memitem">
    305. 

  305. <div class="memproto">
    306. 

  306. <table class="mlabels">
    307. 

  307.   <tr>
    308. 

  308.   <td class="mlabels-left">
    309. 

  309.       <table class="memname">
    310. 

  310.         <tr>
    311. 

  311.           <td class="memname">uint32_t FatPartition::clusterCount </td>
    312. 

  312.           <td>(</td>
    313. 

  313.           <td class="paramname"></td><td>)</td>
    314. 

  314.           <td> const</td>
    315. 

  315.         </tr>
    316. 

  316.       </table>
    317. 

  317.   </td>
    318. 

  318.   <td class="mlabels-right">
    319. 

  319. <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
    320. 

  320.   </tr>
    321. 

  321. </table>
    322. 

  322. </div><div class="memdoc">
    323. 

  323. <dl class="section return"><dt>Returns</dt><dd>The total number of clusters in the volume. </dd></dl>
    324. 

  324. 

  325. </div>
    326. 

  326. </div>
    327. 

  327. <a id="a7e89ec91780f7dfa060b261c605bf2e5"></a>
    328. 

  328. <h2 class="memtitle"><span class="permalink"><a href="#a7e89ec91780f7dfa060b261c605bf2e5">&#9670;&nbsp;</a></span>dataStartSector()</h2>
    329. 

  329. 

  330. <div class="memitem">
    331. 

  331. <div class="memproto">
    332. 

  332. <table class="mlabels">
    333. 

  333.   <tr>
    334. 

  334.   <td class="mlabels-left">
    335. 

  335.       <table class="memname">
    336. 

  336.         <tr>
    337. 

  337.           <td class="memname">uint32_t FatPartition::dataStartSector </td>
    338. 

  338.           <td>(</td>
    339. 

  339.           <td class="paramname"></td><td>)</td>
    340. 

  340.           <td> const</td>
    341. 

  341.         </tr>
    342. 

  342.       </table>
    343. 

  343.   </td>
    344. 

  344.   <td class="mlabels-right">
    345. 

  345. <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
    346. 

  346.   </tr>
    347. 

  347. </table>
    348. 

  348. </div><div class="memdoc">
    349. 

  349. <dl class="section return"><dt>Returns</dt><dd>The logical sector number for the start of file data. </dd></dl>
    350. 

  350. 

  351. </div>
    352. 

  352. </div>
    353. 

  353. <a id="a0af1e91a311180119b4a2c85d7e6e87e"></a>
    354. 

  354. <h2 class="memtitle"><span class="permalink"><a href="#a0af1e91a311180119b4a2c85d7e6e87e">&#9670;&nbsp;</a></span>dbgFat()</h2>
    355. 

  355. 

  356. <div class="memitem">
    357. 

  357. <div class="memproto">
    358. 

  358. <table class="mlabels">
    359. 

  359.   <tr>
    360. 

  360.   <td class="mlabels-left">
    361. 

  361.       <table class="memname">
    362. 

  362.         <tr>
    363. 

  363.           <td class="memname">int8_t FatPartition::dbgFat </td>
    364. 

  364.           <td>(</td>
    365. 

  365.           <td class="paramtype">uint32_t&#160;</td>
    366. 

  366.           <td class="paramname"><em>n</em>, </td>
    367. 

  367.         </tr>
    368. 

  368.         <tr>
    369. 

  369.           <td class="paramkey"></td>
    370. 

  370.           <td></td>
    371. 

  371.           <td class="paramtype">uint32_t *&#160;</td>
    372. 

  372.           <td class="paramname"><em>v</em>&#160;</td>
    373. 

  373.         </tr>
    374. 

  374.         <tr>
    375. 

  375.           <td></td>
    376. 

  376.           <td>)</td>
    377. 

  377.           <td></td><td></td>
    378. 

  378.         </tr>
    379. 

  379.       </table>
    380. 

  380.   </td>
    381. 

  381.   <td class="mlabels-right">
    382. 

  382. <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
    383. 

  383.   </tr>
    384. 

  384. </table>
    385. 

  385. </div><div class="memdoc">
    386. 

  386. <p>Debug access to FAT table</p>
    387. 

  387. <dl class="params"><dt>Parameters</dt><dd>
    388. 

  388.   <table class="params">
    389. 

  389.     <tr><td class="paramdir">[in]</td><td class="paramname">n</td><td>cluster number. </td></tr>
    390. 

  390.     <tr><td class="paramdir">[out]</td><td class="paramname">v</td><td>value of entry </td></tr>
    391. 

  391.   </table>
    392. 

  392.   </dd>
    393. 

  393. </dl>
    394. 

  394. <dl class="section return"><dt>Returns</dt><dd>-1 error, 0 EOC, else 1. </dd></dl>
    395. 

  395. 

  396. </div>
    397. 

  397. </div>
    398. 

  398. <a id="a56b37c3230818b9ae8e0a25c01a370a3"></a>
    399. 

  399. <h2 class="memtitle"><span class="permalink"><a href="#a56b37c3230818b9ae8e0a25c01a370a3">&#9670;&nbsp;</a></span>fatCount()</h2>
    400. 

  400. 

  401. <div class="memitem">
    402. 

  402. <div class="memproto">
    403. 

  403. <table class="mlabels">
    404. 

  404.   <tr>
    405. 

  405.   <td class="mlabels-left">
    406. 

  406.       <table class="memname">
    407. 

  407.         <tr>
    408. 

  408.           <td class="memname">uint8_t FatPartition::fatCount </td>
    409. 

  409.           <td>(</td>
    410. 

  410.           <td class="paramname"></td><td>)</td>
    411. 

  411.           <td></td>
    412. 

  412.         </tr>
    413. 

  413.       </table>
    414. 

  414.   </td>
    415. 

  415.   <td class="mlabels-right">
    416. 

  416. <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
    417. 

  417.   </tr>
    418. 

  418. </table>
    419. 

  419. </div><div class="memdoc">
    420. 

  420. <dl class="section return"><dt>Returns</dt><dd>The number of File Allocation Tables. </dd></dl>
    421. 

  421. 

  422. </div>
    423. 

  423. </div>
    424. 

  424. <a id="a6a1ce7d707cf15bea08b63216413e055"></a>
    425. 

  425. <h2 class="memtitle"><span class="permalink"><a href="#a6a1ce7d707cf15bea08b63216413e055">&#9670;&nbsp;</a></span>fatStartSector()</h2>
    426. 

  426. 

  427. <div class="memitem">
    428. 

  428. <div class="memproto">
    429. 

  429. <table class="mlabels">
    430. 

  430.   <tr>
    431. 

  431.   <td class="mlabels-left">
    432. 

  432.       <table class="memname">
    433. 

  433.         <tr>
    434. 

  434.           <td class="memname">uint32_t FatPartition::fatStartSector </td>
    435. 

  435.           <td>(</td>
    436. 

  436.           <td class="paramname"></td><td>)</td>
    437. 

  437.           <td> const</td>
    438. 

  438.         </tr>
    439. 

  439.       </table>
    440. 

  440.   </td>
    441. 

  441.   <td class="mlabels-right">
    442. 

  442. <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
    443. 

  443.   </tr>
    444. 

  444. </table>
    445. 

  445. </div><div class="memdoc">
    446. 

  446. <dl class="section return"><dt>Returns</dt><dd>The logical sector number for the start of the first FAT. </dd></dl>
    447. 

  447. 

  448. </div>
    449. 

  449. </div>
    450. 

  450. <a id="ad45c276232d7093b82f1075e8c488bac"></a>
    451. 

  451. <h2 class="memtitle"><span class="permalink"><a href="#ad45c276232d7093b82f1075e8c488bac">&#9670;&nbsp;</a></span>fatType()</h2>
    452. 

  452. 

  453. <div class="memitem">
    454. 

  454. <div class="memproto">
    455. 

  455. <table class="mlabels">
    456. 

  456.   <tr>
    457. 

  457.   <td class="mlabels-left">
    458. 

  458.       <table class="memname">
    459. 

  459.         <tr>
    460. 

  460.           <td class="memname">uint8_t FatPartition::fatType </td>
    461. 

  461.           <td>(</td>
    462. 

  462.           <td class="paramname"></td><td>)</td>
    463. 

  463.           <td> const</td>
    464. 

  464.         </tr>
    465. 

  465.       </table>
    466. 

  466.   </td>
    467. 

  467.   <td class="mlabels-right">
    468. 

  468. <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
    469. 

  469.   </tr>
    470. 

  470. </table>
    471. 

  471. </div><div class="memdoc">
    472. 

  472. <dl class="section return"><dt>Returns</dt><dd>The FAT type of the volume. Values are 12, 16 or 32. </dd></dl>
    473. 

  473. 

  474. </div>
    475. 

  475. </div>
    476. 

  476. <a id="ac9689f1e11f59acc5f1b21ed9bb71174"></a>
    477. 

  477. <h2 class="memtitle"><span class="permalink"><a href="#ac9689f1e11f59acc5f1b21ed9bb71174">&#9670;&nbsp;</a></span>freeClusterCount()</h2>
    478. 

  478. 

  479. <div class="memitem">
    480. 

  480. <div class="memproto">
    481. 

  481.       <table class="memname">
    482. 

  482.         <tr>
    483. 

  483.           <td class="memname">int32_t FatPartition::freeClusterCount </td>
    484. 

  484.           <td>(</td>
    485. 

  485.           <td class="paramname"></td><td>)</td>
    486. 

  486.           <td></td>
    487. 

  487.         </tr>
    488. 

  488.       </table>
    489. 

  489. </div><div class="memdoc">
    490. 

  490. <p>Volume free space in clusters.</p>
    491. 

  491. <dl class="section return"><dt>Returns</dt><dd>Count of free clusters for success or -1 if an error occurs. </dd></dl>
    492. 

  492. 

  493. </div>
    494. 

  494. </div>
    495. 

  495. <a id="ab827224f30eec57255d21cae589911ef"></a>
    496. 

  496. <h2 class="memtitle"><span class="permalink"><a href="#ab827224f30eec57255d21cae589911ef">&#9670;&nbsp;</a></span>init()</h2>
    497. 

  497. 

  498. <div class="memitem">
    499. 

  499. <div class="memproto">
    500. 

  500.       <table class="memname">
    501. 

  501.         <tr>
    502. 

  502.           <td class="memname">bool FatPartition::init </td>
    503. 

  503.           <td>(</td>
    504. 

  504.           <td class="paramtype"><a class="el" href="class_sd_spi_card.html">BlockDevice</a> *&#160;</td>
    505. 

  505.           <td class="paramname"><em>dev</em>, </td>
    506. 

  506.         </tr>
    507. 

  507.         <tr>
    508. 

  508.           <td class="paramkey"></td>
    509. 

  509.           <td></td>
    510. 

  510.           <td class="paramtype">uint8_t&#160;</td>
    511. 

  511.           <td class="paramname"><em>part</em> = <code>1</code>&#160;</td>
    512. 

  512.         </tr>
    513. 

  513.         <tr>
    514. 

  514.           <td></td>
    515. 

  515.           <td>)</td>
    516. 

  516.           <td></td><td></td>
    517. 

  517.         </tr>
    518. 

  518.       </table>
    519. 

  519. </div><div class="memdoc">
    520. 

  520. <p>Initialize a FAT partition.</p>
    521. 

  521. <dl class="params"><dt>Parameters</dt><dd>
    522. 

  522.   <table class="params">
    523. 

  523.     <tr><td class="paramdir">[in]</td><td class="paramname">dev</td><td>BlockDevice for this partition. </td></tr>
    524. 

  524.     <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>
    525. 

  525.   </table>
    526. 

  526.   </dd>
    527. 

  527. </dl>
    528. 

  528. <dl class="section return"><dt>Returns</dt><dd>true for success or false for failure. </dd></dl>
    529. 

  529. 

  530. </div>
    531. 

  531. </div>
    532. 

  532. <a id="a6ba99b9711269b5ab6ca091b88e81288"></a>
    533. 

  533. <h2 class="memtitle"><span class="permalink"><a href="#a6ba99b9711269b5ab6ca091b88e81288">&#9670;&nbsp;</a></span>rootDirEntryCount()</h2>
    534. 

  534. 

  535. <div class="memitem">
    536. 

  536. <div class="memproto">
    537. 

  537. <table class="mlabels">
    538. 

  538.   <tr>
    539. 

  539.   <td class="mlabels-left">
    540. 

  540.       <table class="memname">
    541. 

  541.         <tr>
    542. 

  542.           <td class="memname">uint16_t FatPartition::rootDirEntryCount </td>
    543. 

  543.           <td>(</td>
    544. 

  544.           <td class="paramname"></td><td>)</td>
    545. 

  545.           <td> const</td>
    546. 

  546.         </tr>
    547. 

  547.       </table>
    548. 

  548.   </td>
    549. 

  549.   <td class="mlabels-right">
    550. 

  550. <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
    551. 

  551.   </tr>
    552. 

  552. </table>
    553. 

  553. </div><div class="memdoc">
    554. 

  554. <dl class="section return"><dt>Returns</dt><dd>The number of entries in the root directory for FAT16 volumes. </dd></dl>
    555. 

  555. 

  556. </div>
    557. 

  557. </div>
    558. 

  558. <a id="a5d005e0f6fd4b84da8a5ebdea03aaf85"></a>
    559. 

  559. <h2 class="memtitle"><span class="permalink"><a href="#a5d005e0f6fd4b84da8a5ebdea03aaf85">&#9670;&nbsp;</a></span>rootDirStart()</h2>
    560. 

  560. 

  561. <div class="memitem">
    562. 

  562. <div class="memproto">
    563. 

  563. <table class="mlabels">
    564. 

  564.   <tr>
    565. 

  565.   <td class="mlabels-left">
    566. 

  566.       <table class="memname">
    567. 

  567.         <tr>
    568. 

  568.           <td class="memname">uint32_t FatPartition::rootDirStart </td>
    569. 

  569.           <td>(</td>
    570. 

  570.           <td class="paramname"></td><td>)</td>
    571. 

  571.           <td> const</td>
    572. 

  572.         </tr>
    573. 

  573.       </table>
    574. 

  574.   </td>
    575. 

  575.   <td class="mlabels-right">
    576. 

  576. <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
    577. 

  577.   </tr>
    578. 

  578. </table>
    579. 

  579. </div><div class="memdoc">
    580. 

  580. <dl class="section return"><dt>Returns</dt><dd>The logical sector number for the start of the root directory on FAT16 volumes or the first cluster number on FAT32 volumes. </dd></dl>
    581. 

  581. 

  582. </div>
    583. 

  583. </div>
    584. 

  584. <a id="a6b970fa2e06de1a826b09e251dc3119b"></a>
    585. 

  585. <h2 class="memtitle"><span class="permalink"><a href="#a6b970fa2e06de1a826b09e251dc3119b">&#9670;&nbsp;</a></span>sectorMask()</h2>
    586. 

  586. 

  587. <div class="memitem">
    588. 

  588. <div class="memproto">
    589. 

  589. <table class="mlabels">
    590. 

  590.   <tr>
    591. 

  591.   <td class="mlabels-left">
    592. 

  592.       <table class="memname">
    593. 

  593.         <tr>
    594. 

  594.           <td class="memname">uint16_t FatPartition::sectorMask </td>
    595. 

  595.           <td>(</td>
    596. 

  596.           <td class="paramname"></td><td>)</td>
    597. 

  597.           <td></td>
    598. 

  598.         </tr>
    599. 

  599.       </table>
    600. 

  600.   </td>
    601. 

  601.   <td class="mlabels-right">
    602. 

  602. <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
    603. 

  603.   </tr>
    604. 

  604. </table>
    605. 

  605. </div><div class="memdoc">
    606. 

  606. <dl class="section return"><dt>Returns</dt><dd>Mask for sector offset. </dd></dl>
    607. 

  607. 

  608. </div>
    609. 

  609. </div>
    610. 

  610. <a id="a836546c368e6ffe117e6ab8775d23eba"></a>
    611. 

  611. <h2 class="memtitle"><span class="permalink"><a href="#a836546c368e6ffe117e6ab8775d23eba">&#9670;&nbsp;</a></span>sectorsPerCluster()</h2>
    612. 

  612. 

  613. <div class="memitem">
    614. 

  614. <div class="memproto">
    615. 

  615. <table class="mlabels">
    616. 

  616.   <tr>
    617. 

  617.   <td class="mlabels-left">
    618. 

  618.       <table class="memname">
    619. 

  619.         <tr>
    620. 

  620.           <td class="memname">uint8_t FatPartition::sectorsPerCluster </td>
    621. 

  621.           <td>(</td>
    622. 

  622.           <td class="paramname"></td><td>)</td>
    623. 

  623.           <td> const</td>
    624. 

  624.         </tr>
    625. 

  625.       </table>
    626. 

  626.   </td>
    627. 

  627.   <td class="mlabels-right">
    628. 

  628. <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
    629. 

  629.   </tr>
    630. 

  630. </table>
    631. 

  631. </div><div class="memdoc">
    632. 

  632. <dl class="section return"><dt>Returns</dt><dd>The volume's cluster size in sectors. </dd></dl>
    633. 

  633. 

  634. </div>
    635. 

  635. </div>
    636. 

  636. <a id="a593a27482ff8d993542d6f82bd92e26c"></a>
    637. 

  637. <h2 class="memtitle"><span class="permalink"><a href="#a593a27482ff8d993542d6f82bd92e26c">&#9670;&nbsp;</a></span>sectorsPerClusterShift()</h2>
    638. 

  638. 

  639. <div class="memitem">
    640. 

  640. <div class="memproto">
    641. 

  641. <table class="mlabels">
    642. 

  642.   <tr>
    643. 

  643.   <td class="mlabels-left">
    644. 

  644.       <table class="memname">
    645. 

  645.         <tr>
    646. 

  646.           <td class="memname">uint8_t FatPartition::sectorsPerClusterShift </td>
    647. 

  647.           <td>(</td>
    648. 

  648.           <td class="paramname"></td><td>)</td>
    649. 

  649.           <td> const</td>
    650. 

  650.         </tr>
    651. 

  651.       </table>
    652. 

  652.   </td>
    653. 

  653.   <td class="mlabels-right">
    654. 

  654. <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
    655. 

  655.   </tr>
    656. 

  656. </table>
    657. 

  657. </div><div class="memdoc">
    658. 

  658. <dl class="section return"><dt>Returns</dt><dd>The shift count required to multiply by sectorsPerCluster. </dd></dl>
    659. 

  659. 

  660. </div>
    661. 

  661. </div>
    662. 

  662. <a id="a1f5c7599333dbe152a3cdd60623ce6d1"></a>
    663. 

  663. <h2 class="memtitle"><span class="permalink"><a href="#a1f5c7599333dbe152a3cdd60623ce6d1">&#9670;&nbsp;</a></span>sectorsPerFat()</h2>
    664. 

  664. 

  665. <div class="memitem">
    666. 

  666. <div class="memproto">
    667. 

  667. <table class="mlabels">
    668. 

  668.   <tr>
    669. 

  669.   <td class="mlabels-left">
    670. 

  670.       <table class="memname">
    671. 

  671.         <tr>
    672. 

  672.           <td class="memname">uint32_t FatPartition::sectorsPerFat </td>
    673. 

  673.           <td>(</td>
    674. 

  674.           <td class="paramname"></td><td>)</td>
    675. 

  675.           <td> const</td>
    676. 

  676.         </tr>
    677. 

  677.       </table>
    678. 

  678.   </td>
    679. 

  679.   <td class="mlabels-right">
    680. 

  680. <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
    681. 

  681.   </tr>
    682. 

  682. </table>
    683. 

  683. </div><div class="memdoc">
    684. 

  684. <dl class="section return"><dt>Returns</dt><dd>The number of sectors in one FAT. </dd></dl>
    685. 

  685. 

  686. </div>
    687. 

  687. </div>
    688. 

  688. <a id="a916ba7d67711bb62daf12ecd47ca4b8e"></a>
    689. 

  689. <h2 class="memtitle"><span class="permalink"><a href="#a916ba7d67711bb62daf12ecd47ca4b8e">&#9670;&nbsp;</a></span>volumeSectorCount()</h2>
    690. 

  690. 

  691. <div class="memitem">
    692. 

  692. <div class="memproto">
    693. 

  693. <table class="mlabels">
    694. 

  694.   <tr>
    695. 

  695.   <td class="mlabels-left">
    696. 

  696.       <table class="memname">
    697. 

  697.         <tr>
    698. 

  698.           <td class="memname">uint32_t FatPartition::volumeSectorCount </td>
    699. 

  699.           <td>(</td>
    700. 

  700.           <td class="paramname"></td><td>)</td>
    701. 

  701.           <td> const</td>
    702. 

  702.         </tr>
    703. 

  703.       </table>
    704. 

  704.   </td>
    705. 

  705.   <td class="mlabels-right">
    706. 

  706. <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
    707. 

  707.   </tr>
    708. 

  708. </table>
    709. 

  709. </div><div class="memdoc">
    710. 

  710. <dl class="section return"><dt>Returns</dt><dd>The number of sectors in the volume </dd></dl>
    711. 

  711. 

  712. </div>
    713. 

  713. </div>
    714. 

  714. <h2 class="groupheader">Friends And Related Function Documentation</h2>
    715. 

  715. <a id="a1e97a7aed860b898c403cb29455b3fe7"></a>
    716. 

  716. <h2 class="memtitle"><span class="permalink"><a href="#a1e97a7aed860b898c403cb29455b3fe7">&#9670;&nbsp;</a></span>FatCache</h2>
    717. 

  717. 

  718. <div class="memitem">
    719. 

  719. <div class="memproto">
    720. 

  720. <table class="mlabels">
    721. 

  721.   <tr>
    722. 

  722.   <td class="mlabels-left">
    723. 

  723.       <table class="memname">
    724. 

  724.         <tr>
    725. 

  725.           <td class="memname">friend class <a class="el" href="class_fat_cache.html">FatCache</a></td>
    726. 

  726.         </tr>
    727. 

  727.       </table>
    728. 

  728.   </td>
    729. 

  729.   <td class="mlabels-right">
    730. 

  730. <span class="mlabels"><span class="mlabel">friend</span></span>  </td>
    731. 

  731.   </tr>
    732. 

  732. </table>
    733. 

  733. </div><div class="memdoc">
    734. 

  734. <p><a class="el" href="class_fat_cache.html" title="Sector cache.">FatCache</a> allowed access to private members. </p>
    735. 

  735. 

  736. </div>
    737. 

  737. </div>
    738. 

  738. <a id="a18fb15a715ea85037ab802286853103e"></a>
    739. 

  739. <h2 class="memtitle"><span class="permalink"><a href="#a18fb15a715ea85037ab802286853103e">&#9670;&nbsp;</a></span>FatFile</h2>
    740. 

  740. 

  741. <div class="memitem">
    742. 

  742. <div class="memproto">
    743. 

  743. <table class="mlabels">
    744. 

  744.   <tr>
    745. 

  745.   <td class="mlabels-left">
    746. 

  746.       <table class="memname">
    747. 

  747.         <tr>
    748. 

  748.           <td class="memname">friend class <a class="el" href="class_fat_file.html">FatFile</a></td>
    749. 

  749.         </tr>
    750. 

  750.       </table>
    751. 

  751.   </td>
    752. 

  752.   <td class="mlabels-right">
    753. 

  753. <span class="mlabels"><span class="mlabel">friend</span></span>  </td>
    754. 

  754.   </tr>
    755. 

  755. </table>
    756. 

  756. </div><div class="memdoc">
    757. 

  757. <p><a class="el" href="class_fat_file.html" title="Basic file class.">FatFile</a> allowed access to private members. </p>
    758. 

  758. 

  759. </div>
    760. 

  760. </div>
    761. 

  761. <hr/>The documentation for this class was generated from the following files:<ul>
    762. 

  762. <li>Arduino/libraries/SdFat/src/FatLib/<a class="el" href="_fat_partition_8h.html">FatPartition.h</a></li>
    763. 

  763. <li>Arduino/libraries/SdFat/src/FatLib/FatPartition.cpp</li>
    764. 

  764. </ul>
    765. 

  765. </div><!-- contents -->
    766. 

  766. <!-- start footer part -->
    767. 

  767. <hr class="footer"/><address class="footer"><small>
    768. 

  768. Generated on Sat Dec 5 2020 05:21:24 for SdFat by &#160;<a href="http://www.doxygen.org/index.html">
    769. 

  769. <img class="footer" src="doxygen.png" alt="doxygen"/>
    770. 

  770. </a> 1.8.16
    771. 

  771. </small></address>
    772. 

  772. </body>
    773. 

  773. </html>
    774.