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  8. <title>SdFat: FatCache Class Reference</title>

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  24.    <div id="projectname">SdFat

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  61. 

  62. </div><!-- top -->

  63. <div class="header">

  64.   <div class="summary">

  65. <a href="#pub-methods">Public Member Functions</a> &#124;

  66. <a href="#pub-static-attribs">Static Public Attributes</a> &#124;

  67. <a href="class_fat_cache-members.html">List of all members</a>  </div>

  68.   <div class="headertitle">

  69. <div class="title">FatCache Class Reference</div>  </div>

  70. </div><!--header-->

  71. <div class="contents">

  72. 

  73. <p>Sector cache.  

  74.  <a href="class_fat_cache.html#details">More...</a></p>

  75. 

  76. <p><code>#include &lt;FatPartition.h&gt;</code></p>

  77. <table class="memberdecls">

  78. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>

  79. Public Member Functions</h2></td></tr>

  80. <tr class="memitem:a50b61cdeeff5c5dfd2a4bd7430ef19ac"><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_cache.html#a50b61cdeeff5c5dfd2a4bd7430ef19ac">buffer</a> ()</td></tr>

  81. <tr class="separator:a50b61cdeeff5c5dfd2a4bd7430ef19ac"><td class="memSeparator" colspan="2">&#160;</td></tr>

  82. <tr class="memitem:ab4d3b0c16bb6a116c7d01afff2dcb307"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_cache.html#ab4d3b0c16bb6a116c7d01afff2dcb307">dirty</a> ()</td></tr>

  83. <tr class="separator:ab4d3b0c16bb6a116c7d01afff2dcb307"><td class="memSeparator" colspan="2">&#160;</td></tr>

  84. <tr class="memitem:a30790e03daad69b62ec6d7d643975454"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_cache.html#a30790e03daad69b62ec6d7d643975454">init</a> (<a class="el" href="class_fat_partition.html">FatPartition</a> *vol)</td></tr>

  85. <tr class="separator:a30790e03daad69b62ec6d7d643975454"><td class="memSeparator" colspan="2">&#160;</td></tr>

  86. <tr class="memitem:a70071a128d647b49b523dbb2f5f944a5"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_cache.html#a70071a128d647b49b523dbb2f5f944a5">invalidate</a> ()</td></tr>

  87. <tr class="separator:a70071a128d647b49b523dbb2f5f944a5"><td class="memSeparator" colspan="2">&#160;</td></tr>

  88. <tr class="memitem:ae50287d95bd78558db1e4aa97d7b2c06"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_cache.html#ae50287d95bd78558db1e4aa97d7b2c06">isDirty</a> ()</td></tr>

  89. <tr class="separator:ae50287d95bd78558db1e4aa97d7b2c06"><td class="memSeparator" colspan="2">&#160;</td></tr>

  90. <tr class="memitem:a9c3d0dfa0d987f2c8dbad2d35024b56b"><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_cache.html#a9c3d0dfa0d987f2c8dbad2d35024b56b">read</a> (uint32_t <a class="el" href="class_fat_cache.html#a1a9d892b5a68463598bb39d2732cb664">sector</a>, uint8_t option)</td></tr>

  91. <tr class="separator:a9c3d0dfa0d987f2c8dbad2d35024b56b"><td class="memSeparator" colspan="2">&#160;</td></tr>

  92. <tr class="memitem:a1a9d892b5a68463598bb39d2732cb664"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_cache.html#a1a9d892b5a68463598bb39d2732cb664">sector</a> ()</td></tr>

  93. <tr class="separator:a1a9d892b5a68463598bb39d2732cb664"><td class="memSeparator" colspan="2">&#160;</td></tr>

  94. <tr class="memitem:a4d76d4f46ce5994f6fc4678a7b4f8cf1"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_cache.html#a4d76d4f46ce5994f6fc4678a7b4f8cf1">sync</a> ()</td></tr>

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  96. </table><table class="memberdecls">

  97. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-attribs"></a>

  98. Static Public Attributes</h2></td></tr>

  99. <tr class="memitem:ab4b446515ff9a0cebc747630ddd10c93"><td class="memItemLeft" align="right" valign="top">static const uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_cache.html#ab4b446515ff9a0cebc747630ddd10c93">CACHE_FOR_READ</a> = 0</td></tr>

  100. <tr class="separator:ab4b446515ff9a0cebc747630ddd10c93"><td class="memSeparator" colspan="2">&#160;</td></tr>

  101. <tr class="memitem:a81cb572f33443bd6aee9aa33ec395d0f"><td class="memItemLeft" align="right" valign="top">static const uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_cache.html#a81cb572f33443bd6aee9aa33ec395d0f">CACHE_FOR_WRITE</a> = <a class="el" href="class_fat_cache.html#aac8c38e5c545d0f80b13d816117f626e">CACHE_STATUS_DIRTY</a></td></tr>

  102. <tr class="separator:a81cb572f33443bd6aee9aa33ec395d0f"><td class="memSeparator" colspan="2">&#160;</td></tr>

  103. <tr class="memitem:adf974f55e53ee0aaa85abb0d7d67181c"><td class="memItemLeft" align="right" valign="top">static const uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_cache.html#adf974f55e53ee0aaa85abb0d7d67181c">CACHE_OPTION_NO_READ</a> = 4</td></tr>

  104. <tr class="separator:adf974f55e53ee0aaa85abb0d7d67181c"><td class="memSeparator" colspan="2">&#160;</td></tr>

  105. <tr class="memitem:a49d2896ff525ab77852f76df5c2a09c2"><td class="memItemLeft" align="right" valign="top">static const uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_cache.html#a49d2896ff525ab77852f76df5c2a09c2">CACHE_RESERVE_FOR_WRITE</a> = <a class="el" href="class_fat_cache.html#aac8c38e5c545d0f80b13d816117f626e">CACHE_STATUS_DIRTY</a> | <a class="el" href="class_fat_cache.html#adf974f55e53ee0aaa85abb0d7d67181c">CACHE_OPTION_NO_READ</a></td></tr>

  106. <tr class="separator:a49d2896ff525ab77852f76df5c2a09c2"><td class="memSeparator" colspan="2">&#160;</td></tr>

  107. <tr class="memitem:aac8c38e5c545d0f80b13d816117f626e"><td class="memItemLeft" align="right" valign="top">static const uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_cache.html#aac8c38e5c545d0f80b13d816117f626e">CACHE_STATUS_DIRTY</a> = 1</td></tr>

  108. <tr class="separator:aac8c38e5c545d0f80b13d816117f626e"><td class="memSeparator" colspan="2">&#160;</td></tr>

  109. <tr class="memitem:ab70dc4a2e387f0e9bf392044c702ae32"><td class="memItemLeft" align="right" valign="top">static const uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_cache.html#ab70dc4a2e387f0e9bf392044c702ae32">CACHE_STATUS_MASK</a> = <a class="el" href="class_fat_cache.html#aac8c38e5c545d0f80b13d816117f626e">CACHE_STATUS_DIRTY</a> | <a class="el" href="class_fat_cache.html#a45236e1c0a2a098f08d3add0e4b1467a">CACHE_STATUS_MIRROR_FAT</a></td></tr>

  110. <tr class="separator:ab70dc4a2e387f0e9bf392044c702ae32"><td class="memSeparator" colspan="2">&#160;</td></tr>

  111. <tr class="memitem:a45236e1c0a2a098f08d3add0e4b1467a"><td class="memItemLeft" align="right" valign="top">static const uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_fat_cache.html#a45236e1c0a2a098f08d3add0e4b1467a">CACHE_STATUS_MIRROR_FAT</a> = 2</td></tr>

  112. <tr class="separator:a45236e1c0a2a098f08d3add0e4b1467a"><td class="memSeparator" colspan="2">&#160;</td></tr>

  113. </table>

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

  115. <div class="textblock"><p>Sector cache. </p>

  116. </div><h2 class="groupheader">Member Function Documentation</h2>

  117. <a id="a50b61cdeeff5c5dfd2a4bd7430ef19ac"></a>

  118. <h2 class="memtitle"><span class="permalink"><a href="#a50b61cdeeff5c5dfd2a4bd7430ef19ac">&#9670;&nbsp;</a></span>buffer()</h2>

  119. 

  120. <div class="memitem">

  121. <div class="memproto">

  122. <table class="mlabels">

  123.   <tr>

  124.   <td class="mlabels-left">

  125.       <table class="memname">

  126.         <tr>

  127.           <td class="memname"><a class="el" href="unioncache__t.html">cache_t</a>* FatCache::buffer </td>

  128.           <td>(</td>

  129.           <td class="paramname"></td><td>)</td>

  130.           <td></td>

  131.         </tr>

  132.       </table>

  133.   </td>

  134.   <td class="mlabels-right">

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

  136.   </tr>

  137. </table>

  138. </div><div class="memdoc">

  139. <dl class="section return"><dt>Returns</dt><dd>Cache sector address. </dd></dl>

  140. 

  141. </div>

  142. </div>

  143. <a id="ab4d3b0c16bb6a116c7d01afff2dcb307"></a>

  144. <h2 class="memtitle"><span class="permalink"><a href="#ab4d3b0c16bb6a116c7d01afff2dcb307">&#9670;&nbsp;</a></span>dirty()</h2>

  145. 

  146. <div class="memitem">

  147. <div class="memproto">

  148. <table class="mlabels">

  149.   <tr>

  150.   <td class="mlabels-left">

  151.       <table class="memname">

  152.         <tr>

  153.           <td class="memname">void FatCache::dirty </td>

  154.           <td>(</td>

  155.           <td class="paramname"></td><td>)</td>

  156.           <td></td>

  157.         </tr>

  158.       </table>

  159.   </td>

  160.   <td class="mlabels-right">

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

  162.   </tr>

  163. </table>

  164. </div><div class="memdoc">

  165. <p>Set current sector dirty. </p>

  166. 

  167. </div>

  168. </div>

  169. <a id="a30790e03daad69b62ec6d7d643975454"></a>

  170. <h2 class="memtitle"><span class="permalink"><a href="#a30790e03daad69b62ec6d7d643975454">&#9670;&nbsp;</a></span>init()</h2>

  171. 

  172. <div class="memitem">

  173. <div class="memproto">

  174. <table class="mlabels">

  175.   <tr>

  176.   <td class="mlabels-left">

  177.       <table class="memname">

  178.         <tr>

  179.           <td class="memname">void FatCache::init </td>

  180.           <td>(</td>

  181.           <td class="paramtype"><a class="el" href="class_fat_partition.html">FatPartition</a> *&#160;</td>

  182.           <td class="paramname"><em>vol</em></td><td>)</td>

  183.           <td></td>

  184.         </tr>

  185.       </table>

  186.   </td>

  187.   <td class="mlabels-right">

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

  189.   </tr>

  190. </table>

  191. </div><div class="memdoc">

  192. <p>Initialize the cache. </p><dl class="params"><dt>Parameters</dt><dd>

  193.   <table class="params">

  194.     <tr><td class="paramdir">[in]</td><td class="paramname">vol</td><td><a class="el" href="class_fat_partition.html" title="Access FAT16 and FAT32 partitions on raw file devices. ">FatPartition</a> that owns this <a class="el" href="class_fat_cache.html" title="Sector cache. ">FatCache</a>. </td></tr>

  195.   </table>

  196.   </dd>

  197. </dl>

  198. 

  199. </div>

  200. </div>

  201. <a id="a70071a128d647b49b523dbb2f5f944a5"></a>

  202. <h2 class="memtitle"><span class="permalink"><a href="#a70071a128d647b49b523dbb2f5f944a5">&#9670;&nbsp;</a></span>invalidate()</h2>

  203. 

  204. <div class="memitem">

  205. <div class="memproto">

  206. <table class="mlabels">

  207.   <tr>

  208.   <td class="mlabels-left">

  209.       <table class="memname">

  210.         <tr>

  211.           <td class="memname">void FatCache::invalidate </td>

  212.           <td>(</td>

  213.           <td class="paramname"></td><td>)</td>

  214.           <td></td>

  215.         </tr>

  216.       </table>

  217.   </td>

  218.   <td class="mlabels-right">

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

  220.   </tr>

  221. </table>

  222. </div><div class="memdoc">

  223. <p>Invalidate current cache sector. </p>

  224. 

  225. </div>

  226. </div>

  227. <a id="ae50287d95bd78558db1e4aa97d7b2c06"></a>

  228. <h2 class="memtitle"><span class="permalink"><a href="#ae50287d95bd78558db1e4aa97d7b2c06">&#9670;&nbsp;</a></span>isDirty()</h2>

  229. 

  230. <div class="memitem">

  231. <div class="memproto">

  232. <table class="mlabels">

  233.   <tr>

  234.   <td class="mlabels-left">

  235.       <table class="memname">

  236.         <tr>

  237.           <td class="memname">bool FatCache::isDirty </td>

  238.           <td>(</td>

  239.           <td class="paramname"></td><td>)</td>

  240.           <td></td>

  241.         </tr>

  242.       </table>

  243.   </td>

  244.   <td class="mlabels-right">

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

  246.   </tr>

  247. </table>

  248. </div><div class="memdoc">

  249. <dl class="section return"><dt>Returns</dt><dd>dirty status </dd></dl>

  250. 

  251. </div>

  252. </div>

  253. <a id="a9c3d0dfa0d987f2c8dbad2d35024b56b"></a>

  254. <h2 class="memtitle"><span class="permalink"><a href="#a9c3d0dfa0d987f2c8dbad2d35024b56b">&#9670;&nbsp;</a></span>read()</h2>

  255. 

  256. <div class="memitem">

  257. <div class="memproto">

  258.       <table class="memname">

  259.         <tr>

  260.           <td class="memname"><a class="el" href="unioncache__t.html">cache_t</a> * FatCache::read </td>

  261.           <td>(</td>

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

  263.           <td class="paramname"><em>sector</em>, </td>

  264.         </tr>

  265.         <tr>

  266.           <td class="paramkey"></td>

  267.           <td></td>

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

  269.           <td class="paramname"><em>option</em>&#160;</td>

  270.         </tr>

  271.         <tr>

  272.           <td></td>

  273.           <td>)</td>

  274.           <td></td><td></td>

  275.         </tr>

  276.       </table>

  277. </div><div class="memdoc">

  278. <p>Read a sector into the cache. </p><dl class="params"><dt>Parameters</dt><dd>

  279.   <table class="params">

  280.     <tr><td class="paramdir">[in]</td><td class="paramname">sector</td><td>Sector to read. </td></tr>

  281.     <tr><td class="paramdir">[in]</td><td class="paramname">option</td><td>mode for cached sector. </td></tr>

  282.   </table>

  283.   </dd>

  284. </dl>

  285. <dl class="section return"><dt>Returns</dt><dd>Address of cached sector. </dd></dl>

  286. 

  287. </div>

  288. </div>

  289. <a id="a1a9d892b5a68463598bb39d2732cb664"></a>

  290. <h2 class="memtitle"><span class="permalink"><a href="#a1a9d892b5a68463598bb39d2732cb664">&#9670;&nbsp;</a></span>sector()</h2>

  291. 

  292. <div class="memitem">

  293. <div class="memproto">

  294. <table class="mlabels">

  295.   <tr>

  296.   <td class="mlabels-left">

  297.       <table class="memname">

  298.         <tr>

  299.           <td class="memname">uint32_t FatCache::sector </td>

  300.           <td>(</td>

  301.           <td class="paramname"></td><td>)</td>

  302.           <td></td>

  303.         </tr>

  304.       </table>

  305.   </td>

  306.   <td class="mlabels-right">

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

  308.   </tr>

  309. </table>

  310. </div><div class="memdoc">

  311. <dl class="section return"><dt>Returns</dt><dd>Logical sector number for cached sector. </dd></dl>

  312. 

  313. </div>

  314. </div>

  315. <a id="a4d76d4f46ce5994f6fc4678a7b4f8cf1"></a>

  316. <h2 class="memtitle"><span class="permalink"><a href="#a4d76d4f46ce5994f6fc4678a7b4f8cf1">&#9670;&nbsp;</a></span>sync()</h2>

  317. 

  318. <div class="memitem">

  319. <div class="memproto">

  320.       <table class="memname">

  321.         <tr>

  322.           <td class="memname">bool FatCache::sync </td>

  323.           <td>(</td>

  324.           <td class="paramname"></td><td>)</td>

  325.           <td></td>

  326.         </tr>

  327.       </table>

  328. </div><div class="memdoc">

  329. <p>Write current sector if dirty. </p><dl class="section return"><dt>Returns</dt><dd>true for success or false for failure. </dd></dl>

  330. 

  331. </div>

  332. </div>

  333. <h2 class="groupheader">Member Data Documentation</h2>

  334. <a id="ab4b446515ff9a0cebc747630ddd10c93"></a>

  335. <h2 class="memtitle"><span class="permalink"><a href="#ab4b446515ff9a0cebc747630ddd10c93">&#9670;&nbsp;</a></span>CACHE_FOR_READ</h2>

  336. 

  337. <div class="memitem">

  338. <div class="memproto">

  339. <table class="mlabels">

  340.   <tr>

  341.   <td class="mlabels-left">

  342.       <table class="memname">

  343.         <tr>

  344.           <td class="memname">const uint8_t FatCache::CACHE_FOR_READ = 0</td>

  345.         </tr>

  346.       </table>

  347.   </td>

  348.   <td class="mlabels-right">

  349. <span class="mlabels"><span class="mlabel">static</span></span>  </td>

  350.   </tr>

  351. </table>

  352. </div><div class="memdoc">

  353. <p>Cache sector for read. </p>

  354. 

  355. </div>

  356. </div>

  357. <a id="a81cb572f33443bd6aee9aa33ec395d0f"></a>

  358. <h2 class="memtitle"><span class="permalink"><a href="#a81cb572f33443bd6aee9aa33ec395d0f">&#9670;&nbsp;</a></span>CACHE_FOR_WRITE</h2>

  359. 

  360. <div class="memitem">

  361. <div class="memproto">

  362. <table class="mlabels">

  363.   <tr>

  364.   <td class="mlabels-left">

  365.       <table class="memname">

  366.         <tr>

  367.           <td class="memname">const uint8_t FatCache::CACHE_FOR_WRITE = <a class="el" href="class_fat_cache.html#aac8c38e5c545d0f80b13d816117f626e">CACHE_STATUS_DIRTY</a></td>

  368.         </tr>

  369.       </table>

  370.   </td>

  371.   <td class="mlabels-right">

  372. <span class="mlabels"><span class="mlabel">static</span></span>  </td>

  373.   </tr>

  374. </table>

  375. </div><div class="memdoc">

  376. <p>Cache sector for write. </p>

  377. 

  378. </div>

  379. </div>

  380. <a id="adf974f55e53ee0aaa85abb0d7d67181c"></a>

  381. <h2 class="memtitle"><span class="permalink"><a href="#adf974f55e53ee0aaa85abb0d7d67181c">&#9670;&nbsp;</a></span>CACHE_OPTION_NO_READ</h2>

  382. 

  383. <div class="memitem">

  384. <div class="memproto">

  385. <table class="mlabels">

  386.   <tr>

  387.   <td class="mlabels-left">

  388.       <table class="memname">

  389.         <tr>

  390.           <td class="memname">const uint8_t FatCache::CACHE_OPTION_NO_READ = 4</td>

  391.         </tr>

  392.       </table>

  393.   </td>

  394.   <td class="mlabels-right">

  395. <span class="mlabels"><span class="mlabel">static</span></span>  </td>

  396.   </tr>

  397. </table>

  398. </div><div class="memdoc">

  399. <p>Sync existing sector but do not read new sector. </p>

  400. 

  401. </div>

  402. </div>

  403. <a id="a49d2896ff525ab77852f76df5c2a09c2"></a>

  404. <h2 class="memtitle"><span class="permalink"><a href="#a49d2896ff525ab77852f76df5c2a09c2">&#9670;&nbsp;</a></span>CACHE_RESERVE_FOR_WRITE</h2>

  405. 

  406. <div class="memitem">

  407. <div class="memproto">

  408. <table class="mlabels">

  409.   <tr>

  410.   <td class="mlabels-left">

  411.       <table class="memname">

  412.         <tr>

  413.           <td class="memname">const uint8_t FatCache::CACHE_RESERVE_FOR_WRITE = <a class="el" href="class_fat_cache.html#aac8c38e5c545d0f80b13d816117f626e">CACHE_STATUS_DIRTY</a> | <a class="el" href="class_fat_cache.html#adf974f55e53ee0aaa85abb0d7d67181c">CACHE_OPTION_NO_READ</a></td>

  414.         </tr>

  415.       </table>

  416.   </td>

  417.   <td class="mlabels-right">

  418. <span class="mlabels"><span class="mlabel">static</span></span>  </td>

  419.   </tr>

  420. </table>

  421. </div><div class="memdoc">

  422. <p>Reserve cache sector for write - do not read from sector device. </p>

  423. 

  424. </div>

  425. </div>

  426. <a id="aac8c38e5c545d0f80b13d816117f626e"></a>

  427. <h2 class="memtitle"><span class="permalink"><a href="#aac8c38e5c545d0f80b13d816117f626e">&#9670;&nbsp;</a></span>CACHE_STATUS_DIRTY</h2>

  428. 

  429. <div class="memitem">

  430. <div class="memproto">

  431. <table class="mlabels">

  432.   <tr>

  433.   <td class="mlabels-left">

  434.       <table class="memname">

  435.         <tr>

  436.           <td class="memname">const uint8_t FatCache::CACHE_STATUS_DIRTY = 1</td>

  437.         </tr>

  438.       </table>

  439.   </td>

  440.   <td class="mlabels-right">

  441. <span class="mlabels"><span class="mlabel">static</span></span>  </td>

  442.   </tr>

  443. </table>

  444. </div><div class="memdoc">

  445. <p>Cached sector is dirty </p>

  446. 

  447. </div>

  448. </div>

  449. <a id="ab70dc4a2e387f0e9bf392044c702ae32"></a>

  450. <h2 class="memtitle"><span class="permalink"><a href="#ab70dc4a2e387f0e9bf392044c702ae32">&#9670;&nbsp;</a></span>CACHE_STATUS_MASK</h2>

  451. 

  452. <div class="memitem">

  453. <div class="memproto">

  454. <table class="mlabels">

  455.   <tr>

  456.   <td class="mlabels-left">

  457.       <table class="memname">

  458.         <tr>

  459.           <td class="memname">const uint8_t FatCache::CACHE_STATUS_MASK = <a class="el" href="class_fat_cache.html#aac8c38e5c545d0f80b13d816117f626e">CACHE_STATUS_DIRTY</a> | <a class="el" href="class_fat_cache.html#a45236e1c0a2a098f08d3add0e4b1467a">CACHE_STATUS_MIRROR_FAT</a></td>

  460.         </tr>

  461.       </table>

  462.   </td>

  463.   <td class="mlabels-right">

  464. <span class="mlabels"><span class="mlabel">static</span></span>  </td>

  465.   </tr>

  466. </table>

  467. </div><div class="memdoc">

  468. <p>Cache sector status bits </p>

  469. 

  470. </div>

  471. </div>

  472. <a id="a45236e1c0a2a098f08d3add0e4b1467a"></a>

  473. <h2 class="memtitle"><span class="permalink"><a href="#a45236e1c0a2a098f08d3add0e4b1467a">&#9670;&nbsp;</a></span>CACHE_STATUS_MIRROR_FAT</h2>

  474. 

  475. <div class="memitem">

  476. <div class="memproto">

  477. <table class="mlabels">

  478.   <tr>

  479.   <td class="mlabels-left">

  480.       <table class="memname">

  481.         <tr>

  482.           <td class="memname">const uint8_t FatCache::CACHE_STATUS_MIRROR_FAT = 2</td>

  483.         </tr>

  484.       </table>

  485.   </td>

  486.   <td class="mlabels-right">

  487. <span class="mlabels"><span class="mlabel">static</span></span>  </td>

  488.   </tr>

  489. </table>

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

  491. <p>Cashed sector is FAT entry and must be mirrored in second FAT. </p>

  492. 

  493. </div>

  494. </div>

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

  496. <li>ArduinoSdFat/libraries/SdFat/src/FatLib/<a class="el" href="_fat_partition_8h.html">FatPartition.h</a></li>

  497. <li>ArduinoSdFat/libraries/SdFat/src/FatLib/FatPartition.cpp</li>

  498. </ul>

  499. </div><!-- contents -->

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  502. Generated on Thu May 9 2019 06:51:28 for SdFat by &#160;<a href="http://www.doxygen.org/index.html">

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

  504. </a> 1.8.14

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