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  7. <title>SdFat: Sd2Card Class Reference</title>

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  64.       <li><a href="inherits.html"><span>Class&#160;Hierarchy</span></a></li>

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  83. <div class="header">

  84.   <div class="summary">

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

  86. <a href="class_sd2_card-members.html">List of all members</a>  </div>

  87.   <div class="headertitle">

  88. <div class="title">Sd2Card Class Reference</div>  </div>

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

  90. <div class="contents">

  91. 

  92. <p>Raw access to SD and SDHC card using default SPI library.  

  93.  <a href="class_sd2_card.html#details">More...</a></p>

  94. 

  95. <p><code>#include &lt;SdFat.h&gt;</code></p>

  96. <div class="dynheader">

  97. Inheritance diagram for Sd2Card:</div>

  98. <div class="dyncontent">

  99. <div class="center"><img src="class_sd2_card__inherit__graph.png" border="0" usemap="#_sd2_card_inherit__map" alt="Inheritance graph"/></div>

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  104. <div class="dynheader">

  105. Collaboration diagram for Sd2Card:</div>

  106. <div class="dyncontent">

  107. <div class="center"><img src="class_sd2_card__coll__graph.png" border="0" usemap="#_sd2_card_coll__map" alt="Collaboration graph"/></div>

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  112. <table class="memberdecls">

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

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

  115. <tr class="memitem:a824cd60ef8ac2b06262597d6f30a4ea7"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a824cd60ef8ac2b06262597d6f30a4ea7">begin</a> (SdSpiDriver *spi, uint8_t csPin, SPISettings spiSettings)</td></tr>

  116. <tr class="separator:a824cd60ef8ac2b06262597d6f30a4ea7"><td class="memSeparator" colspan="2">&#160;</td></tr>

  117. <tr class="memitem:a8506e1a2d7c4d8ec3f26e8b62ea81cd7"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd2_card.html#a8506e1a2d7c4d8ec3f26e8b62ea81cd7">begin</a> (uint8_t csPin=SS, SPISettings settings=SD_SCK_MHZ(50))</td></tr>

  118. <tr class="separator:a8506e1a2d7c4d8ec3f26e8b62ea81cd7"><td class="memSeparator" colspan="2">&#160;</td></tr>

  119. <tr class="memitem:afca8bd6b7e465bf9c475ba375c4deec8"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#afca8bd6b7e465bf9c475ba375c4deec8">cardSize</a> ()</td></tr>

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  121. <tr class="memitem:a1caa13d19df6596b2c0dd62365c75362"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a1caa13d19df6596b2c0dd62365c75362">erase</a> (uint32_t firstBlock, uint32_t lastBlock)</td></tr>

  122. <tr class="separator:a1caa13d19df6596b2c0dd62365c75362"><td class="memSeparator" colspan="2">&#160;</td></tr>

  123. <tr class="memitem:aed4591884254c9f58daa8738d7c1ccdd"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#aed4591884254c9f58daa8738d7c1ccdd">eraseSingleBlockEnable</a> ()</td></tr>

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  125. <tr class="memitem:aa12ad53111abcb187d3c6119a3a77592"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#aa12ad53111abcb187d3c6119a3a77592">error</a> (uint8_t code)</td></tr>

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  127. <tr class="memitem:a50bf5f92223222beacec2b203a6b7a95"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a50bf5f92223222beacec2b203a6b7a95">errorCode</a> () const </td></tr>

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  129. <tr class="memitem:a7b1abdb8dd5254cd4af0df19ba59ce4a"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a7b1abdb8dd5254cd4af0df19ba59ce4a">errorData</a> () const </td></tr>

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  131. <tr class="memitem:aa3cb9139dbc1e6596c6717da2b486328"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#aa3cb9139dbc1e6596c6717da2b486328">isBusy</a> ()</td></tr>

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  133. <tr class="memitem:a4393634a82c6683ee94d1fefe0be332a"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a4393634a82c6683ee94d1fefe0be332a">readBlock</a> (uint32_t lba, uint8_t *dst)</td></tr>

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  135. <tr class="memitem:ac630f77c3137923b47c1bd12a9bbfadf"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#ac630f77c3137923b47c1bd12a9bbfadf">readBlocks</a> (uint32_t lba, uint8_t *dst, size_t nb)</td></tr>

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  137. <tr class="memitem:aa073dc42828164883db1b9faeff909ea"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#aa073dc42828164883db1b9faeff909ea">readCID</a> (cid_t *cid)</td></tr>

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  139. <tr class="memitem:a9fbea9525e70f6e3602fe5153a5a1290"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a9fbea9525e70f6e3602fe5153a5a1290">readCSD</a> (csd_t *csd)</td></tr>

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  141. <tr class="memitem:a3a1d1b4b4ceb42fcd41aaf6649482770"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a3a1d1b4b4ceb42fcd41aaf6649482770">readData</a> (uint8_t *dst)</td></tr>

  142. <tr class="separator:a3a1d1b4b4ceb42fcd41aaf6649482770"><td class="memSeparator" colspan="2">&#160;</td></tr>

  143. <tr class="memitem:ab446e49338b3ce834a750ac6dae35f61"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#ab446e49338b3ce834a750ac6dae35f61">readOCR</a> (uint32_t *ocr)</td></tr>

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  145. <tr class="memitem:a3b1710d11496c32ba4323831e00ac6d1"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a3b1710d11496c32ba4323831e00ac6d1">readStart</a> (uint32_t blockNumber)</td></tr>

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  147. <tr class="memitem:a91d0413599efe0d63c8c2dfe4a12d9ae"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a91d0413599efe0d63c8c2dfe4a12d9ae">readStatus</a> (uint8_t *status)</td></tr>

  148. <tr class="separator:a91d0413599efe0d63c8c2dfe4a12d9ae"><td class="memSeparator" colspan="2">&#160;</td></tr>

  149. <tr class="memitem:afdac7c399fa1ba3f904cf503526e007e"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#afdac7c399fa1ba3f904cf503526e007e">readStop</a> ()</td></tr>

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  151. <tr class="memitem:aa39feb6ebb269071ac6843a424ac311c"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#aa39feb6ebb269071ac6843a424ac311c">spiStart</a> ()</td></tr>

  152. <tr class="separator:aa39feb6ebb269071ac6843a424ac311c"><td class="memSeparator" colspan="2">&#160;</td></tr>

  153. <tr class="memitem:a1033a4a68d38f52dddf6a1764fcca3e1"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a1033a4a68d38f52dddf6a1764fcca3e1">spiStop</a> ()</td></tr>

  154. <tr class="separator:a1033a4a68d38f52dddf6a1764fcca3e1"><td class="memSeparator" colspan="2">&#160;</td></tr>

  155. <tr class="memitem:a1b6d5f412c4ad75c2f575ca75c56c095"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a1b6d5f412c4ad75c2f575ca75c56c095">syncBlocks</a> ()</td></tr>

  156. <tr class="separator:a1b6d5f412c4ad75c2f575ca75c56c095"><td class="memSeparator" colspan="2">&#160;</td></tr>

  157. <tr class="memitem:a061d92bf154a1863a6321385b7505f6e"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a061d92bf154a1863a6321385b7505f6e">type</a> () const </td></tr>

  158. <tr class="separator:a061d92bf154a1863a6321385b7505f6e"><td class="memSeparator" colspan="2">&#160;</td></tr>

  159. <tr class="memitem:a03a0bdb0f37a88076f24a2133cf5b4ed"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a03a0bdb0f37a88076f24a2133cf5b4ed">writeBlock</a> (uint32_t lba, const uint8_t *src)</td></tr>

  160. <tr class="separator:a03a0bdb0f37a88076f24a2133cf5b4ed"><td class="memSeparator" colspan="2">&#160;</td></tr>

  161. <tr class="memitem:a181d96fe44891b7caabcd47dd29ac913"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a181d96fe44891b7caabcd47dd29ac913">writeBlocks</a> (uint32_t lba, const uint8_t *src, size_t nb)</td></tr>

  162. <tr class="separator:a181d96fe44891b7caabcd47dd29ac913"><td class="memSeparator" colspan="2">&#160;</td></tr>

  163. <tr class="memitem:a9495c0b148eb380358bb4a9721c0dffa"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a9495c0b148eb380358bb4a9721c0dffa">writeData</a> (const uint8_t *src)</td></tr>

  164. <tr class="separator:a9495c0b148eb380358bb4a9721c0dffa"><td class="memSeparator" colspan="2">&#160;</td></tr>

  165. <tr class="memitem:a56d4750a5d2f693943eec985cb61ffe2"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a56d4750a5d2f693943eec985cb61ffe2">writeStart</a> (uint32_t blockNumber)</td></tr>

  166. <tr class="separator:a56d4750a5d2f693943eec985cb61ffe2"><td class="memSeparator" colspan="2">&#160;</td></tr>

  167. <tr class="memitem:a8bf0dc991308dcd2a7427bad89a9e2ba"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a8bf0dc991308dcd2a7427bad89a9e2ba">writeStart</a> (uint32_t blockNumber, uint32_t eraseCount)</td></tr>

  168. <tr class="separator:a8bf0dc991308dcd2a7427bad89a9e2ba"><td class="memSeparator" colspan="2">&#160;</td></tr>

  169. <tr class="memitem:aef9154785a4de5560fb807e4f9316fb0"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#aef9154785a4de5560fb807e4f9316fb0">writeStop</a> ()</td></tr>

  170. <tr class="separator:aef9154785a4de5560fb807e4f9316fb0"><td class="memSeparator" colspan="2">&#160;</td></tr>

  171. </table>

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

  173. <div class="textblock"><p>Raw access to SD and SDHC card using default SPI library. </p>

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

  175. <a class="anchor" id="a824cd60ef8ac2b06262597d6f30a4ea7"></a>

  176. <div class="memitem">

  177. <div class="memproto">

  178. <table class="mlabels">

  179.   <tr>

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

  181.       <table class="memname">

  182.         <tr>

  183.           <td class="memname">bool SdSpiCard::begin </td>

  184.           <td>(</td>

  185.           <td class="paramtype">SdSpiDriver *&#160;</td>

  186.           <td class="paramname"><em>spi</em>, </td>

  187.         </tr>

  188.         <tr>

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

  190.           <td></td>

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

  192.           <td class="paramname"><em>csPin</em>, </td>

  193.         </tr>

  194.         <tr>

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

  196.           <td></td>

  197.           <td class="paramtype">SPISettings&#160;</td>

  198.           <td class="paramname"><em>spiSettings</em>&#160;</td>

  199.         </tr>

  200.         <tr>

  201.           <td></td>

  202.           <td>)</td>

  203.           <td></td><td></td>

  204.         </tr>

  205.       </table>

  206.   </td>

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

  208. <span class="mlabels"><span class="mlabel">inherited</span></span>  </td>

  209.   </tr>

  210. </table>

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

  212. <p>Initialize the SD card. </p><dl class="params"><dt>Parameters</dt><dd>

  213.   <table class="params">

  214.     <tr><td class="paramdir">[in]</td><td class="paramname">spi</td><td>SPI driver for card. </td></tr>

  215.     <tr><td class="paramdir">[in]</td><td class="paramname">csPin</td><td>card chip select pin. </td></tr>

  216.     <tr><td class="paramdir">[in]</td><td class="paramname">spiSettings</td><td>SPI speed, mode, and bit order. </td></tr>

  217.   </table>

  218.   </dd>

  219. </dl>

  220. <dl class="section return"><dt>Returns</dt><dd>true for success else false. </dd></dl>

  221. 

  222. </div>

  223. </div>

  224. <a class="anchor" id="a8506e1a2d7c4d8ec3f26e8b62ea81cd7"></a>

  225. <div class="memitem">

  226. <div class="memproto">

  227. <table class="mlabels">

  228.   <tr>

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

  230.       <table class="memname">

  231.         <tr>

  232.           <td class="memname">bool Sd2Card::begin </td>

  233.           <td>(</td>

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

  235.           <td class="paramname"><em>csPin</em> = <code>SS</code>, </td>

  236.         </tr>

  237.         <tr>

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

  239.           <td></td>

  240.           <td class="paramtype">SPISettings&#160;</td>

  241.           <td class="paramname"><em>settings</em> = <code>SD_SCK_MHZ(50)</code>&#160;</td>

  242.         </tr>

  243.         <tr>

  244.           <td></td>

  245.           <td>)</td>

  246.           <td></td><td></td>

  247.         </tr>

  248.       </table>

  249.   </td>

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

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

  252.   </tr>

  253. </table>

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

  255. <p>Initialize the SD card. </p><dl class="params"><dt>Parameters</dt><dd>

  256.   <table class="params">

  257.     <tr><td class="paramdir">[in]</td><td class="paramname">csPin</td><td>SD chip select pin. </td></tr>

  258.     <tr><td class="paramdir">[in]</td><td class="paramname">settings</td><td>SPI speed, mode, and bit order. </td></tr>

  259.   </table>

  260.   </dd>

  261. </dl>

  262. <dl class="section return"><dt>Returns</dt><dd>true for success else false. </dd></dl>

  263. 

  264. </div>

  265. </div>

  266. <a class="anchor" id="afca8bd6b7e465bf9c475ba375c4deec8"></a>

  267. <div class="memitem">

  268. <div class="memproto">

  269. <table class="mlabels">

  270.   <tr>

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

  272.       <table class="memname">

  273.         <tr>

  274.           <td class="memname">uint32_t SdSpiCard::cardSize </td>

  275.           <td>(</td>

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

  277.           <td></td>

  278.         </tr>

  279.       </table>

  280.   </td>

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

  282. <span class="mlabels"><span class="mlabel">inherited</span></span>  </td>

  283.   </tr>

  284. </table>

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

  286. <p>Determine the size of an SD flash memory card.</p>

  287. <dl class="section return"><dt>Returns</dt><dd>The number of 512 byte data blocks in the card or zero if an error occurs. </dd></dl>

  288. 

  289. </div>

  290. </div>

  291. <a class="anchor" id="a1caa13d19df6596b2c0dd62365c75362"></a>

  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">bool SdSpiCard::erase </td>

  300.           <td>(</td>

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

  302.           <td class="paramname"><em>firstBlock</em>, </td>

  303.         </tr>

  304.         <tr>

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

  306.           <td></td>

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

  308.           <td class="paramname"><em>lastBlock</em>&#160;</td>

  309.         </tr>

  310.         <tr>

  311.           <td></td>

  312.           <td>)</td>

  313.           <td></td><td></td>

  314.         </tr>

  315.       </table>

  316.   </td>

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

  318. <span class="mlabels"><span class="mlabel">inherited</span></span>  </td>

  319.   </tr>

  320. </table>

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

  322. <p>Erase a range of blocks.</p>

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

  324.   <table class="params">

  325.     <tr><td class="paramdir">[in]</td><td class="paramname">firstBlock</td><td>The address of the first block in the range. </td></tr>

  326.     <tr><td class="paramdir">[in]</td><td class="paramname">lastBlock</td><td>The address of the last block in the range.</td></tr>

  327.   </table>

  328.   </dd>

  329. </dl>

  330. <dl class="section note"><dt>Note</dt><dd>This function requests the SD card to do a flash erase for a range of blocks. The data on the card after an erase operation is either 0 or 1, depends on the card vendor. The card must support single block erase.</dd></dl>

  331. <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>

  332. 

  333. </div>

  334. </div>

  335. <a class="anchor" id="aed4591884254c9f58daa8738d7c1ccdd"></a>

  336. <div class="memitem">

  337. <div class="memproto">

  338. <table class="mlabels">

  339.   <tr>

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

  341.       <table class="memname">

  342.         <tr>

  343.           <td class="memname">bool SdSpiCard::eraseSingleBlockEnable </td>

  344.           <td>(</td>

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

  346.           <td></td>

  347.         </tr>

  348.       </table>

  349.   </td>

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

  351. <span class="mlabels"><span class="mlabel">inherited</span></span>  </td>

  352.   </tr>

  353. </table>

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

  355. <p>Determine if card supports single block erase.</p>

  356. <dl class="section return"><dt>Returns</dt><dd>true is returned if single block erase is supported. false is returned if single block erase is not supported. </dd></dl>

  357. 

  358. </div>

  359. </div>

  360. <a class="anchor" id="aa12ad53111abcb187d3c6119a3a77592"></a>

  361. <div class="memitem">

  362. <div class="memproto">

  363. <table class="mlabels">

  364.   <tr>

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

  366.       <table class="memname">

  367.         <tr>

  368.           <td class="memname">void SdSpiCard::error </td>

  369.           <td>(</td>

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

  371.           <td class="paramname"><em>code</em></td><td>)</td>

  372.           <td></td>

  373.         </tr>

  374.       </table>

  375.   </td>

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

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

  378.   </tr>

  379. </table>

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

  381. <p>Set SD error code. </p><dl class="params"><dt>Parameters</dt><dd>

  382.   <table class="params">

  383.     <tr><td class="paramdir">[in]</td><td class="paramname">code</td><td>value for error code. </td></tr>

  384.   </table>

  385.   </dd>

  386. </dl>

  387. 

  388. </div>

  389. </div>

  390. <a class="anchor" id="a50bf5f92223222beacec2b203a6b7a95"></a>

  391. <div class="memitem">

  392. <div class="memproto">

  393. <table class="mlabels">

  394.   <tr>

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

  396.       <table class="memname">

  397.         <tr>

  398.           <td class="memname">int SdSpiCard::errorCode </td>

  399.           <td>(</td>

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

  401.           <td> const</td>

  402.         </tr>

  403.       </table>

  404.   </td>

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

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

  407.   </tr>

  408. </table>

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

  410. <dl class="section return"><dt>Returns</dt><dd>code for the last error. See SdInfo.h for a list of error codes. </dd></dl>

  411. 

  412. </div>

  413. </div>

  414. <a class="anchor" id="a7b1abdb8dd5254cd4af0df19ba59ce4a"></a>

  415. <div class="memitem">

  416. <div class="memproto">

  417. <table class="mlabels">

  418.   <tr>

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

  420.       <table class="memname">

  421.         <tr>

  422.           <td class="memname">int SdSpiCard::errorData </td>

  423.           <td>(</td>

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

  425.           <td> const</td>

  426.         </tr>

  427.       </table>

  428.   </td>

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

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

  431.   </tr>

  432. </table>

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

  434. <dl class="section return"><dt>Returns</dt><dd>error data for last error. </dd></dl>

  435. 

  436. </div>

  437. </div>

  438. <a class="anchor" id="aa3cb9139dbc1e6596c6717da2b486328"></a>

  439. <div class="memitem">

  440. <div class="memproto">

  441. <table class="mlabels">

  442.   <tr>

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

  444.       <table class="memname">

  445.         <tr>

  446.           <td class="memname">bool SdSpiCard::isBusy </td>

  447.           <td>(</td>

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

  449.           <td></td>

  450.         </tr>

  451.       </table>

  452.   </td>

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

  454. <span class="mlabels"><span class="mlabel">inherited</span></span>  </td>

  455.   </tr>

  456. </table>

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

  458. <p>Check for busy. MISO low indicates the card is busy.</p>

  459. <dl class="section return"><dt>Returns</dt><dd>true if busy else false. </dd></dl>

  460. 

  461. </div>

  462. </div>

  463. <a class="anchor" id="a4393634a82c6683ee94d1fefe0be332a"></a>

  464. <div class="memitem">

  465. <div class="memproto">

  466. <table class="mlabels">

  467.   <tr>

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

  469.       <table class="memname">

  470.         <tr>

  471.           <td class="memname">bool SdSpiCard::readBlock </td>

  472.           <td>(</td>

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

  474.           <td class="paramname"><em>lba</em>, </td>

  475.         </tr>

  476.         <tr>

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

  478.           <td></td>

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

  480.           <td class="paramname"><em>dst</em>&#160;</td>

  481.         </tr>

  482.         <tr>

  483.           <td></td>

  484.           <td>)</td>

  485.           <td></td><td></td>

  486.         </tr>

  487.       </table>

  488.   </td>

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

  490. <span class="mlabels"><span class="mlabel">inherited</span></span>  </td>

  491.   </tr>

  492. </table>

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

  494. <p>Read a 512 byte block from an SD card.</p>

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

  496.   <table class="params">

  497.     <tr><td class="paramdir">[in]</td><td class="paramname">lba</td><td>Logical block to be read. </td></tr>

  498.     <tr><td class="paramdir">[out]</td><td class="paramname">dst</td><td>Pointer to the location that will receive the data. </td></tr>

  499.   </table>

  500.   </dd>

  501. </dl>

  502. <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>

  503. 

  504. </div>

  505. </div>

  506. <a class="anchor" id="ac630f77c3137923b47c1bd12a9bbfadf"></a>

  507. <div class="memitem">

  508. <div class="memproto">

  509. <table class="mlabels">

  510.   <tr>

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

  512.       <table class="memname">

  513.         <tr>

  514.           <td class="memname">bool SdSpiCard::readBlocks </td>

  515.           <td>(</td>

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

  517.           <td class="paramname"><em>lba</em>, </td>

  518.         </tr>

  519.         <tr>

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

  521.           <td></td>

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

  523.           <td class="paramname"><em>dst</em>, </td>

  524.         </tr>

  525.         <tr>

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

  527.           <td></td>

  528.           <td class="paramtype">size_t&#160;</td>

  529.           <td class="paramname"><em>nb</em>&#160;</td>

  530.         </tr>

  531.         <tr>

  532.           <td></td>

  533.           <td>)</td>

  534.           <td></td><td></td>

  535.         </tr>

  536.       </table>

  537.   </td>

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

  539. <span class="mlabels"><span class="mlabel">inherited</span></span>  </td>

  540.   </tr>

  541. </table>

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

  543. <p>Read multiple 512 byte blocks from an SD card.</p>

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

  545.   <table class="params">

  546.     <tr><td class="paramdir">[in]</td><td class="paramname">lba</td><td>Logical block to be read. </td></tr>

  547.     <tr><td class="paramdir">[in]</td><td class="paramname">nb</td><td>Number of blocks to be read. </td></tr>

  548.     <tr><td class="paramdir">[out]</td><td class="paramname">dst</td><td>Pointer to the location that will receive the data. </td></tr>

  549.   </table>

  550.   </dd>

  551. </dl>

  552. <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>

  553. 

  554. </div>

  555. </div>

  556. <a class="anchor" id="aa073dc42828164883db1b9faeff909ea"></a>

  557. <div class="memitem">

  558. <div class="memproto">

  559. <table class="mlabels">

  560.   <tr>

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

  562.       <table class="memname">

  563.         <tr>

  564.           <td class="memname">bool SdSpiCard::readCID </td>

  565.           <td>(</td>

  566.           <td class="paramtype">cid_t *&#160;</td>

  567.           <td class="paramname"><em>cid</em></td><td>)</td>

  568.           <td></td>

  569.         </tr>

  570.       </table>

  571.   </td>

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

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

  574.   </tr>

  575. </table>

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

  577. <p>Read a card's CID register. The CID contains card identification information such as Manufacturer ID, Product name, Product serial number and Manufacturing date.</p>

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

  579.   <table class="params">

  580.     <tr><td class="paramdir">[out]</td><td class="paramname">cid</td><td>pointer to area for returned data.</td></tr>

  581.   </table>

  582.   </dd>

  583. </dl>

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

  585. 

  586. </div>

  587. </div>

  588. <a class="anchor" id="a9fbea9525e70f6e3602fe5153a5a1290"></a>

  589. <div class="memitem">

  590. <div class="memproto">

  591. <table class="mlabels">

  592.   <tr>

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

  594.       <table class="memname">

  595.         <tr>

  596.           <td class="memname">bool SdSpiCard::readCSD </td>

  597.           <td>(</td>

  598.           <td class="paramtype">csd_t *&#160;</td>

  599.           <td class="paramname"><em>csd</em></td><td>)</td>

  600.           <td></td>

  601.         </tr>

  602.       </table>

  603.   </td>

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

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

  606.   </tr>

  607. </table>

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

  609. <p>Read a card's CSD register. The CSD contains Card-Specific Data that provides information regarding access to the card's contents.</p>

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

  611.   <table class="params">

  612.     <tr><td class="paramdir">[out]</td><td class="paramname">csd</td><td>pointer to area for returned data.</td></tr>

  613.   </table>

  614.   </dd>

  615. </dl>

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

  617. 

  618. </div>

  619. </div>

  620. <a class="anchor" id="a3a1d1b4b4ceb42fcd41aaf6649482770"></a>

  621. <div class="memitem">

  622. <div class="memproto">

  623. <table class="mlabels">

  624.   <tr>

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

  626.       <table class="memname">

  627.         <tr>

  628.           <td class="memname">bool SdSpiCard::readData </td>

  629.           <td>(</td>

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

  631.           <td class="paramname"><em>dst</em></td><td>)</td>

  632.           <td></td>

  633.         </tr>

  634.       </table>

  635.   </td>

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

  637. <span class="mlabels"><span class="mlabel">inherited</span></span>  </td>

  638.   </tr>

  639. </table>

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

  641. <p>Read one data block in a multiple block read sequence</p>

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

  643.   <table class="params">

  644.     <tr><td class="paramdir">[out]</td><td class="paramname">dst</td><td>Pointer to the location for the data to be read.</td></tr>

  645.   </table>

  646.   </dd>

  647. </dl>

  648. <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>

  649. 

  650. </div>

  651. </div>

  652. <a class="anchor" id="ab446e49338b3ce834a750ac6dae35f61"></a>

  653. <div class="memitem">

  654. <div class="memproto">

  655. <table class="mlabels">

  656.   <tr>

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

  658.       <table class="memname">

  659.         <tr>

  660.           <td class="memname">bool SdSpiCard::readOCR </td>

  661.           <td>(</td>

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

  663.           <td class="paramname"><em>ocr</em></td><td>)</td>

  664.           <td></td>

  665.         </tr>

  666.       </table>

  667.   </td>

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

  669. <span class="mlabels"><span class="mlabel">inherited</span></span>  </td>

  670.   </tr>

  671. </table>

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

  673. <p>Read OCR register.</p>

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

  675.   <table class="params">

  676.     <tr><td class="paramdir">[out]</td><td class="paramname">ocr</td><td>Value of OCR register. </td></tr>

  677.   </table>

  678.   </dd>

  679. </dl>

  680. <dl class="section return"><dt>Returns</dt><dd>true for success else false. </dd></dl>

  681. 

  682. </div>

  683. </div>

  684. <a class="anchor" id="a3b1710d11496c32ba4323831e00ac6d1"></a>

  685. <div class="memitem">

  686. <div class="memproto">

  687. <table class="mlabels">

  688.   <tr>

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

  690.       <table class="memname">

  691.         <tr>

  692.           <td class="memname">bool SdSpiCard::readStart </td>

  693.           <td>(</td>

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

  695.           <td class="paramname"><em>blockNumber</em></td><td>)</td>

  696.           <td></td>

  697.         </tr>

  698.       </table>

  699.   </td>

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

  701. <span class="mlabels"><span class="mlabel">inherited</span></span>  </td>

  702.   </tr>

  703. </table>

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

  705. <p>Start a read multiple blocks sequence.</p>

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

  707.   <table class="params">

  708.     <tr><td class="paramdir">[in]</td><td class="paramname">blockNumber</td><td>Address of first block in sequence.</td></tr>

  709.   </table>

  710.   </dd>

  711. </dl>

  712. <dl class="section note"><dt>Note</dt><dd>This function is used with <a class="el" href="class_sd_spi_card.html#a3a1d1b4b4ceb42fcd41aaf6649482770">readData()</a> and <a class="el" href="class_sd_spi_card.html#afdac7c399fa1ba3f904cf503526e007e">readStop()</a> for optimized multiple block reads. SPI chipSelect must be low for the entire sequence.</dd></dl>

  713. <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>

  714. 

  715. </div>

  716. </div>

  717. <a class="anchor" id="a91d0413599efe0d63c8c2dfe4a12d9ae"></a>

  718. <div class="memitem">

  719. <div class="memproto">

  720. <table class="mlabels">

  721.   <tr>

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

  723.       <table class="memname">

  724.         <tr>

  725.           <td class="memname">bool SdSpiCard::readStatus </td>

  726.           <td>(</td>

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

  728.           <td class="paramname"><em>status</em></td><td>)</td>

  729.           <td></td>

  730.         </tr>

  731.       </table>

  732.   </td>

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

  734. <span class="mlabels"><span class="mlabel">inherited</span></span>  </td>

  735.   </tr>

  736. </table>

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

  738. <p>Return the 64 byte card status </p><dl class="params"><dt>Parameters</dt><dd>

  739.   <table class="params">

  740.     <tr><td class="paramdir">[out]</td><td class="paramname">status</td><td>location for 64 status bytes. </td></tr>

  741.   </table>

  742.   </dd>

  743. </dl>

  744. <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>

  745. 

  746. </div>

  747. </div>

  748. <a class="anchor" id="afdac7c399fa1ba3f904cf503526e007e"></a>

  749. <div class="memitem">

  750. <div class="memproto">

  751. <table class="mlabels">

  752.   <tr>

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

  754.       <table class="memname">

  755.         <tr>

  756.           <td class="memname">bool SdSpiCard::readStop </td>

  757.           <td>(</td>

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

  759.           <td></td>

  760.         </tr>

  761.       </table>

  762.   </td>

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

  764. <span class="mlabels"><span class="mlabel">inherited</span></span>  </td>

  765.   </tr>

  766. </table>

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

  768. <p>End a read multiple blocks sequence.</p>

  769. <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>

  770. 

  771. </div>

  772. </div>

  773. <a class="anchor" id="aa39feb6ebb269071ac6843a424ac311c"></a>

  774. <div class="memitem">

  775. <div class="memproto">

  776. <table class="mlabels">

  777.   <tr>

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

  779.       <table class="memname">

  780.         <tr>

  781.           <td class="memname">void SdSpiCard::spiStart </td>

  782.           <td>(</td>

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

  784.           <td></td>

  785.         </tr>

  786.       </table>

  787.   </td>

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

  789. <span class="mlabels"><span class="mlabel">inherited</span></span>  </td>

  790.   </tr>

  791. </table>

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

  793. <p>Set CS low and activate the card. </p>

  794. 

  795. </div>

  796. </div>

  797. <a class="anchor" id="a1033a4a68d38f52dddf6a1764fcca3e1"></a>

  798. <div class="memitem">

  799. <div class="memproto">

  800. <table class="mlabels">

  801.   <tr>

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

  803.       <table class="memname">

  804.         <tr>

  805.           <td class="memname">void SdSpiCard::spiStop </td>

  806.           <td>(</td>

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

  808.           <td></td>

  809.         </tr>

  810.       </table>

  811.   </td>

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

  813. <span class="mlabels"><span class="mlabel">inherited</span></span>  </td>

  814.   </tr>

  815. </table>

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

  817. <p>Set CS high and deactivate the card. </p>

  818. 

  819. </div>

  820. </div>

  821. <a class="anchor" id="a1b6d5f412c4ad75c2f575ca75c56c095"></a>

  822. <div class="memitem">

  823. <div class="memproto">

  824. <table class="mlabels">

  825.   <tr>

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

  827.       <table class="memname">

  828.         <tr>

  829.           <td class="memname">bool SdSpiCard::syncBlocks </td>

  830.           <td>(</td>

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

  832.           <td></td>

  833.         </tr>

  834.       </table>

  835.   </td>

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

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

  838.   </tr>

  839. </table>

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

  841. <dl class="section return"><dt>Returns</dt><dd>success if sync successful. Not for user apps. </dd></dl>

  842. 

  843. </div>

  844. </div>

  845. <a class="anchor" id="a061d92bf154a1863a6321385b7505f6e"></a>

  846. <div class="memitem">

  847. <div class="memproto">

  848. <table class="mlabels">

  849.   <tr>

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

  851.       <table class="memname">

  852.         <tr>

  853.           <td class="memname">int SdSpiCard::type </td>

  854.           <td>(</td>

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

  856.           <td> const</td>

  857.         </tr>

  858.       </table>

  859.   </td>

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

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

  862.   </tr>

  863. </table>

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

  865. <p>Return the card type: SD V1, SD V2 or SDHC </p><dl class="section return"><dt>Returns</dt><dd>0 - SD V1, 1 - SD V2, or 3 - SDHC. </dd></dl>

  866. 

  867. </div>

  868. </div>

  869. <a class="anchor" id="a03a0bdb0f37a88076f24a2133cf5b4ed"></a>

  870. <div class="memitem">

  871. <div class="memproto">

  872. <table class="mlabels">

  873.   <tr>

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

  875.       <table class="memname">

  876.         <tr>

  877.           <td class="memname">bool SdSpiCard::writeBlock </td>

  878.           <td>(</td>

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

  880.           <td class="paramname"><em>lba</em>, </td>

  881.         </tr>

  882.         <tr>

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

  884.           <td></td>

  885.           <td class="paramtype">const uint8_t *&#160;</td>

  886.           <td class="paramname"><em>src</em>&#160;</td>

  887.         </tr>

  888.         <tr>

  889.           <td></td>

  890.           <td>)</td>

  891.           <td></td><td></td>

  892.         </tr>

  893.       </table>

  894.   </td>

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

  896. <span class="mlabels"><span class="mlabel">inherited</span></span>  </td>

  897.   </tr>

  898. </table>

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

  900. <p>Writes a 512 byte block to an SD card.</p>

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

  902.   <table class="params">

  903.     <tr><td class="paramdir">[in]</td><td class="paramname">lba</td><td>Logical block to be written. </td></tr>

  904.     <tr><td class="paramdir">[in]</td><td class="paramname">src</td><td>Pointer to the location of the data to be written. </td></tr>

  905.   </table>

  906.   </dd>

  907. </dl>

  908. <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>

  909. 

  910. </div>

  911. </div>

  912. <a class="anchor" id="a181d96fe44891b7caabcd47dd29ac913"></a>

  913. <div class="memitem">

  914. <div class="memproto">

  915. <table class="mlabels">

  916.   <tr>

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

  918.       <table class="memname">

  919.         <tr>

  920.           <td class="memname">bool SdSpiCard::writeBlocks </td>

  921.           <td>(</td>

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

  923.           <td class="paramname"><em>lba</em>, </td>

  924.         </tr>

  925.         <tr>

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

  927.           <td></td>

  928.           <td class="paramtype">const uint8_t *&#160;</td>

  929.           <td class="paramname"><em>src</em>, </td>

  930.         </tr>

  931.         <tr>

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

  933.           <td></td>

  934.           <td class="paramtype">size_t&#160;</td>

  935.           <td class="paramname"><em>nb</em>&#160;</td>

  936.         </tr>

  937.         <tr>

  938.           <td></td>

  939.           <td>)</td>

  940.           <td></td><td></td>

  941.         </tr>

  942.       </table>

  943.   </td>

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

  945. <span class="mlabels"><span class="mlabel">inherited</span></span>  </td>

  946.   </tr>

  947. </table>

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

  949. <p>Write multiple 512 byte blocks to an SD card.</p>

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

  951.   <table class="params">

  952.     <tr><td class="paramdir">[in]</td><td class="paramname">lba</td><td>Logical block to be written. </td></tr>

  953.     <tr><td class="paramdir">[in]</td><td class="paramname">nb</td><td>Number of blocks to be written. </td></tr>

  954.     <tr><td class="paramdir">[in]</td><td class="paramname">src</td><td>Pointer to the location of the data to be written. </td></tr>

  955.   </table>

  956.   </dd>

  957. </dl>

  958. <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>

  959. 

  960. </div>

  961. </div>

  962. <a class="anchor" id="a9495c0b148eb380358bb4a9721c0dffa"></a>

  963. <div class="memitem">

  964. <div class="memproto">

  965. <table class="mlabels">

  966.   <tr>

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

  968.       <table class="memname">

  969.         <tr>

  970.           <td class="memname">bool SdSpiCard::writeData </td>

  971.           <td>(</td>

  972.           <td class="paramtype">const uint8_t *&#160;</td>

  973.           <td class="paramname"><em>src</em></td><td>)</td>

  974.           <td></td>

  975.         </tr>

  976.       </table>

  977.   </td>

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

  979. <span class="mlabels"><span class="mlabel">inherited</span></span>  </td>

  980.   </tr>

  981. </table>

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

  983. <p>Write one data block in a multiple block write sequence. </p><dl class="params"><dt>Parameters</dt><dd>

  984.   <table class="params">

  985.     <tr><td class="paramdir">[in]</td><td class="paramname">src</td><td>Pointer to the location of the data to be written. </td></tr>

  986.   </table>

  987.   </dd>

  988. </dl>

  989. <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>

  990. 

  991. </div>

  992. </div>

  993. <a class="anchor" id="a56d4750a5d2f693943eec985cb61ffe2"></a>

  994. <div class="memitem">

  995. <div class="memproto">

  996. <table class="mlabels">

  997.   <tr>

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

  999.       <table class="memname">

  1000.         <tr>

  1001.           <td class="memname">bool SdSpiCard::writeStart </td>

  1002.           <td>(</td>

  1003.           <td class="paramtype">uint32_t&#160;</td>

  1004.           <td class="paramname"><em>blockNumber</em></td><td>)</td>

  1005.           <td></td>

  1006.         </tr>

  1007.       </table>

  1008.   </td>

  1009.   <td class="mlabels-right">

  1010. <span class="mlabels"><span class="mlabel">inherited</span></span>  </td>

  1011.   </tr>

  1012. </table>

  1013. </div><div class="memdoc">

  1014. <p>Start a write multiple blocks sequence.</p>

  1015. <dl class="params"><dt>Parameters</dt><dd>

  1016.   <table class="params">

  1017.     <tr><td class="paramdir">[in]</td><td class="paramname">blockNumber</td><td>Address of first block in sequence.</td></tr>

  1018.   </table>

  1019.   </dd>

  1020. </dl>

  1021. <dl class="section note"><dt>Note</dt><dd>This function is used with <a class="el" href="class_sd_spi_card.html#a9495c0b148eb380358bb4a9721c0dffa">writeData()</a> and <a class="el" href="class_sd_spi_card.html#aef9154785a4de5560fb807e4f9316fb0">writeStop()</a> for optimized multiple block writes.</dd></dl>

  1022. <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>

  1023. 

  1024. </div>

  1025. </div>

  1026. <a class="anchor" id="a8bf0dc991308dcd2a7427bad89a9e2ba"></a>

  1027. <div class="memitem">

  1028. <div class="memproto">

  1029. <table class="mlabels">

  1030.   <tr>

  1031.   <td class="mlabels-left">

  1032.       <table class="memname">

  1033.         <tr>

  1034.           <td class="memname">bool SdSpiCard::writeStart </td>

  1035.           <td>(</td>

  1036.           <td class="paramtype">uint32_t&#160;</td>

  1037.           <td class="paramname"><em>blockNumber</em>, </td>

  1038.         </tr>

  1039.         <tr>

  1040.           <td class="paramkey"></td>

  1041.           <td></td>

  1042.           <td class="paramtype">uint32_t&#160;</td>

  1043.           <td class="paramname"><em>eraseCount</em>&#160;</td>

  1044.         </tr>

  1045.         <tr>

  1046.           <td></td>

  1047.           <td>)</td>

  1048.           <td></td><td></td>

  1049.         </tr>

  1050.       </table>

  1051.   </td>

  1052.   <td class="mlabels-right">

  1053. <span class="mlabels"><span class="mlabel">inherited</span></span>  </td>

  1054.   </tr>

  1055. </table>

  1056. </div><div class="memdoc">

  1057. <p>Start a write multiple blocks sequence with pre-erase.</p>

  1058. <dl class="params"><dt>Parameters</dt><dd>

  1059.   <table class="params">

  1060.     <tr><td class="paramdir">[in]</td><td class="paramname">blockNumber</td><td>Address of first block in sequence. </td></tr>

  1061.     <tr><td class="paramdir">[in]</td><td class="paramname">eraseCount</td><td>The number of blocks to be pre-erased.</td></tr>

  1062.   </table>

  1063.   </dd>

  1064. </dl>

  1065. <dl class="section note"><dt>Note</dt><dd>This function is used with <a class="el" href="class_sd_spi_card.html#a9495c0b148eb380358bb4a9721c0dffa">writeData()</a> and <a class="el" href="class_sd_spi_card.html#aef9154785a4de5560fb807e4f9316fb0">writeStop()</a> for optimized multiple block writes.</dd></dl>

  1066. <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>

  1067. 

  1068. </div>

  1069. </div>

  1070. <a class="anchor" id="aef9154785a4de5560fb807e4f9316fb0"></a>

  1071. <div class="memitem">

  1072. <div class="memproto">

  1073. <table class="mlabels">

  1074.   <tr>

  1075.   <td class="mlabels-left">

  1076.       <table class="memname">

  1077.         <tr>

  1078.           <td class="memname">bool SdSpiCard::writeStop </td>

  1079.           <td>(</td>

  1080.           <td class="paramname"></td><td>)</td>

  1081.           <td></td>

  1082.         </tr>

  1083.       </table>

  1084.   </td>

  1085.   <td class="mlabels-right">

  1086. <span class="mlabels"><span class="mlabel">inherited</span></span>  </td>

  1087.   </tr>

  1088. </table>

  1089. </div><div class="memdoc">

  1090. <p>End a write multiple blocks sequence.</p>

  1091. <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>

  1092. 

  1093. </div>

  1094. </div>

  1095. <hr/>The documentation for this class was generated from the following file:<ul>

  1096. <li>Arduino/libraries/SdFat/src/<a class="el" href="_sd_fat_8h.html">SdFat.h</a></li>

  1097. </ul>

  1098. </div><!-- contents -->

  1099. <!-- start footer part -->

  1100. <hr class="footer"/><address class="footer"><small>

  1101. Generated on Mon Sep 5 2016 10:18:52 for SdFat by &#160;<a href="http://www.doxygen.org/index.html">

  1102. <img class="footer" src="doxygen.png" alt="doxygen"/>

  1103. </a> 1.8.10

  1104. </small></address>

  1105. </body>

  1106. </html>