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teensy-sdfat/html/class_sd2_card.html

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

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  26.    <div id="projectname">SdFat

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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">

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  111. <center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>

  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:a7c8131750a5b1087375aa31f59564fae"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a7c8131750a5b1087375aa31f59564fae">begin</a> (<a class="el" href="_sd_spi_driver_8h.html#abf391604c1ecfed19cdcb6c8bd626972">SdSpiDriver</a> *spiDriver)</td></tr>

  116. <tr class="separator:a7c8131750a5b1087375aa31f59564fae"><td class="memSeparator" colspan="2">&#160;</td></tr>

  117. <tr class="memitem:a9504c8f35b53d505e7dae33b0b2327d1"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd2_card.html#a9504c8f35b53d505e7dae33b0b2327d1">begin</a> (uint8_t chipSelectPin=SS, SPISettings spiSettings=SD_SCK_MHZ(50))</td></tr>

  118. <tr class="separator:a9504c8f35b53d505e7dae33b0b2327d1"><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>

  124. <tr class="separator:aed4591884254c9f58daa8738d7c1ccdd"><td class="memSeparator" colspan="2">&#160;</td></tr>

  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>

  126. <tr class="separator:aa12ad53111abcb187d3c6119a3a77592"><td class="memSeparator" colspan="2">&#160;</td></tr>

  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>

  128. <tr class="separator:a50bf5f92223222beacec2b203a6b7a95"><td class="memSeparator" colspan="2">&#160;</td></tr>

  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:a2973091eeab7b6ba528f6442bc5df36e"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a2973091eeab7b6ba528f6442bc5df36e">readBlock</a> (uint32_t block, uint8_t *dst)</td></tr>

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  135. <tr class="memitem:a5a7e12a5a076cc690885378932fa289f"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a5a7e12a5a076cc690885378932fa289f">readBlocks</a> (uint32_t block, uint8_t *dst, size_t count)</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>

  144. <tr class="separator:ab446e49338b3ce834a750ac6dae35f61"><td class="memSeparator" colspan="2">&#160;</td></tr>

  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>

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  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: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>

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

  157. <tr class="memitem:acdf8c7fe62ab091971cd546c00714cee"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#acdf8c7fe62ab091971cd546c00714cee">writeBlock</a> (uint32_t blockNumber, const uint8_t *src)</td></tr>

  158. <tr class="separator:acdf8c7fe62ab091971cd546c00714cee"><td class="memSeparator" colspan="2">&#160;</td></tr>

  159. <tr class="memitem:aa5ca6901525dce4b1bc1f94a95441d88"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#aa5ca6901525dce4b1bc1f94a95441d88">writeBlocks</a> (uint32_t block, const uint8_t *src, size_t count)</td></tr>

  160. <tr class="separator:aa5ca6901525dce4b1bc1f94a95441d88"><td class="memSeparator" colspan="2">&#160;</td></tr>

  161. <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>

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

  163. <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>

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

  165. <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>

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

  167. <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>

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

  169. </table>

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

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

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

  173. <a class="anchor" id="a7c8131750a5b1087375aa31f59564fae"></a>

  174. <div class="memitem">

  175. <div class="memproto">

  176. <table class="mlabels">

  177.   <tr>

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

  179.       <table class="memname">

  180.         <tr>

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

  182.           <td>(</td>

  183.           <td class="paramtype"><a class="el" href="_sd_spi_driver_8h.html#abf391604c1ecfed19cdcb6c8bd626972">SdSpiDriver</a> *&#160;</td>

  184.           <td class="paramname"><em>spiDriver</em></td><td>)</td>

  185.           <td></td>

  186.         </tr>

  187.       </table>

  188.   </td>

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

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

  191.   </tr>

  192. </table>

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

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

  195.   <table class="params">

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

  197.   </table>

  198.   </dd>

  199. </dl>

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

  201. 

  202. </div>

  203. </div>

  204. <a class="anchor" id="a9504c8f35b53d505e7dae33b0b2327d1"></a>

  205. <div class="memitem">

  206. <div class="memproto">

  207. <table class="mlabels">

  208.   <tr>

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

  210.       <table class="memname">

  211.         <tr>

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

  213.           <td>(</td>

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

  215.           <td class="paramname"><em>chipSelectPin</em> = <code>SS</code>, </td>

  216.         </tr>

  217.         <tr>

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

  219.           <td></td>

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

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

  222.         </tr>

  223.         <tr>

  224.           <td></td>

  225.           <td>)</td>

  226.           <td></td><td></td>

  227.         </tr>

  228.       </table>

  229.   </td>

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

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

  232.   </tr>

  233. </table>

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

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

  236.   <table class="params">

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

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

  239.   </table>

  240.   </dd>

  241. </dl>

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

  243. 

  244. </div>

  245. </div>

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

  247. <div class="memitem">

  248. <div class="memproto">

  249. <table class="mlabels">

  250.   <tr>

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

  252.       <table class="memname">

  253.         <tr>

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

  255.           <td>(</td>

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

  257.           <td></td>

  258.         </tr>

  259.       </table>

  260.   </td>

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

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

  263.   </tr>

  264. </table>

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

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

  267. <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>

  268. 

  269. </div>

  270. </div>

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

  272. <div class="memitem">

  273. <div class="memproto">

  274. <table class="mlabels">

  275.   <tr>

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

  277.       <table class="memname">

  278.         <tr>

  279.           <td class="memname">bool SdSpiCard::erase </td>

  280.           <td>(</td>

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

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

  283.         </tr>

  284.         <tr>

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

  286.           <td></td>

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

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

  289.         </tr>

  290.         <tr>

  291.           <td></td>

  292.           <td>)</td>

  293.           <td></td><td></td>

  294.         </tr>

  295.       </table>

  296.   </td>

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

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

  299.   </tr>

  300. </table>

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

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

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

  304.   <table class="params">

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

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

  307.   </table>

  308.   </dd>

  309. </dl>

  310. <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>

  311. <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>

  312. 

  313. </div>

  314. </div>

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

  316. <div class="memitem">

  317. <div class="memproto">

  318. <table class="mlabels">

  319.   <tr>

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

  321.       <table class="memname">

  322.         <tr>

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

  324.           <td>(</td>

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

  326.           <td></td>

  327.         </tr>

  328.       </table>

  329.   </td>

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

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

  332.   </tr>

  333. </table>

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

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

  336. <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>

  337. 

  338. </div>

  339. </div>

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

  341. <div class="memitem">

  342. <div class="memproto">

  343. <table class="mlabels">

  344.   <tr>

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

  346.       <table class="memname">

  347.         <tr>

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

  349.           <td>(</td>

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

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

  352.           <td></td>

  353.         </tr>

  354.       </table>

  355.   </td>

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

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

  358.   </tr>

  359. </table>

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

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

  362.   <table class="params">

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

  364.   </table>

  365.   </dd>

  366. </dl>

  367. 

  368. </div>

  369. </div>

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

  371. <div class="memitem">

  372. <div class="memproto">

  373. <table class="mlabels">

  374.   <tr>

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

  376.       <table class="memname">

  377.         <tr>

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

  379.           <td>(</td>

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

  381.           <td> const</td>

  382.         </tr>

  383.       </table>

  384.   </td>

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

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

  387.   </tr>

  388. </table>

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

  390. <dl class="section return"><dt>Returns</dt><dd>code for the last error. See <a class="el" href="_sd_spi_card_8h.html" title="SdSpiCard class for V2 SD/SDHC cards. ">SdSpiCard.h</a> for a list of error codes. </dd></dl>

  391. 

  392. </div>

  393. </div>

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

  395. <div class="memitem">

  396. <div class="memproto">

  397. <table class="mlabels">

  398.   <tr>

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

  400.       <table class="memname">

  401.         <tr>

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

  403.           <td>(</td>

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

  405.           <td> const</td>

  406.         </tr>

  407.       </table>

  408.   </td>

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

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

  411.   </tr>

  412. </table>

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

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

  415. 

  416. </div>

  417. </div>

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

  419. <div class="memitem">

  420. <div class="memproto">

  421. <table class="mlabels">

  422.   <tr>

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

  424.       <table class="memname">

  425.         <tr>

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

  427.           <td>(</td>

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

  429.           <td></td>

  430.         </tr>

  431.       </table>

  432.   </td>

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

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

  435.   </tr>

  436. </table>

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

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

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

  440. 

  441. </div>

  442. </div>

  443. <a class="anchor" id="a2973091eeab7b6ba528f6442bc5df36e"></a>

  444. <div class="memitem">

  445. <div class="memproto">

  446. <table class="mlabels">

  447.   <tr>

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

  449.       <table class="memname">

  450.         <tr>

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

  452.           <td>(</td>

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

  454.           <td class="paramname"><em>block</em>, </td>

  455.         </tr>

  456.         <tr>

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

  458.           <td></td>

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

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

  461.         </tr>

  462.         <tr>

  463.           <td></td>

  464.           <td>)</td>

  465.           <td></td><td></td>

  466.         </tr>

  467.       </table>

  468.   </td>

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

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

  471.   </tr>

  472. </table>

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

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

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

  476.   <table class="params">

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

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

  479.   </table>

  480.   </dd>

  481. </dl>

  482. <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>

  483. 

  484. </div>

  485. </div>

  486. <a class="anchor" id="a5a7e12a5a076cc690885378932fa289f"></a>

  487. <div class="memitem">

  488. <div class="memproto">

  489. <table class="mlabels">

  490.   <tr>

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

  492.       <table class="memname">

  493.         <tr>

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

  495.           <td>(</td>

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

  497.           <td class="paramname"><em>block</em>, </td>

  498.         </tr>

  499.         <tr>

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

  501.           <td></td>

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

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

  504.         </tr>

  505.         <tr>

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

  507.           <td></td>

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

  509.           <td class="paramname"><em>count</em>&#160;</td>

  510.         </tr>

  511.         <tr>

  512.           <td></td>

  513.           <td>)</td>

  514.           <td></td><td></td>

  515.         </tr>

  516.       </table>

  517.   </td>

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

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

  520.   </tr>

  521. </table>

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

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

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

  525.   <table class="params">

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

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

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

  529.   </table>

  530.   </dd>

  531. </dl>

  532. <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>

  533. 

  534. </div>

  535. </div>

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

  537. <div class="memitem">

  538. <div class="memproto">

  539. <table class="mlabels">

  540.   <tr>

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

  542.       <table class="memname">

  543.         <tr>

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

  545.           <td>(</td>

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

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

  548.           <td></td>

  549.         </tr>

  550.       </table>

  551.   </td>

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

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

  554.   </tr>

  555. </table>

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

  557. <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>

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

  559.   <table class="params">

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

  561.   </table>

  562.   </dd>

  563. </dl>

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

  565. 

  566. </div>

  567. </div>

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

  569. <div class="memitem">

  570. <div class="memproto">

  571. <table class="mlabels">

  572.   <tr>

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

  574.       <table class="memname">

  575.         <tr>

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

  577.           <td>(</td>

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

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

  580.           <td></td>

  581.         </tr>

  582.       </table>

  583.   </td>

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

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

  586.   </tr>

  587. </table>

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

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

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

  591.   <table class="params">

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

  593.   </table>

  594.   </dd>

  595. </dl>

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

  597. 

  598. </div>

  599. </div>

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

  601. <div class="memitem">

  602. <div class="memproto">

  603. <table class="mlabels">

  604.   <tr>

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

  606.       <table class="memname">

  607.         <tr>

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

  609.           <td>(</td>

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

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

  612.           <td></td>

  613.         </tr>

  614.       </table>

  615.   </td>

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

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

  618.   </tr>

  619. </table>

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

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

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

  623.   <table class="params">

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

  625.   </table>

  626.   </dd>

  627. </dl>

  628. <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>

  629. 

  630. </div>

  631. </div>

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

  633. <div class="memitem">

  634. <div class="memproto">

  635. <table class="mlabels">

  636.   <tr>

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

  638.       <table class="memname">

  639.         <tr>

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

  641.           <td>(</td>

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

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

  644.           <td></td>

  645.         </tr>

  646.       </table>

  647.   </td>

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

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

  650.   </tr>

  651. </table>

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

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

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

  655.   <table class="params">

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

  657.   </table>

  658.   </dd>

  659. </dl>

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

  661. 

  662. </div>

  663. </div>

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

  665. <div class="memitem">

  666. <div class="memproto">

  667. <table class="mlabels">

  668.   <tr>

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

  670.       <table class="memname">

  671.         <tr>

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

  673.           <td>(</td>

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

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

  676.           <td></td>

  677.         </tr>

  678.       </table>

  679.   </td>

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

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

  682.   </tr>

  683. </table>

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

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

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

  687.   <table class="params">

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

  689.   </table>

  690.   </dd>

  691. </dl>

  692. <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>

  693. <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>

  694. 

  695. </div>

  696. </div>

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

  698. <div class="memitem">

  699. <div class="memproto">

  700. <table class="mlabels">

  701.   <tr>

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

  703.       <table class="memname">

  704.         <tr>

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

  706.           <td>(</td>

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

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

  709.           <td></td>

  710.         </tr>

  711.       </table>

  712.   </td>

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

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

  715.   </tr>

  716. </table>

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

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

  719.   <table class="params">

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

  721.   </table>

  722.   </dd>

  723. </dl>

  724. <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>

  725. 

  726. </div>

  727. </div>

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

  729. <div class="memitem">

  730. <div class="memproto">

  731. <table class="mlabels">

  732.   <tr>

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

  734.       <table class="memname">

  735.         <tr>

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

  737.           <td>(</td>

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

  739.           <td></td>

  740.         </tr>

  741.       </table>

  742.   </td>

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

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

  745.   </tr>

  746. </table>

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

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

  749. <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>

  750. 

  751. </div>

  752. </div>

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

  754. <div class="memitem">

  755. <div class="memproto">

  756. <table class="mlabels">

  757.   <tr>

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

  759.       <table class="memname">

  760.         <tr>

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

  762.           <td>(</td>

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

  764.           <td></td>

  765.         </tr>

  766.       </table>

  767.   </td>

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

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

  770.   </tr>

  771. </table>

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

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

  774. 

  775. </div>

  776. </div>

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

  778. <div class="memitem">

  779. <div class="memproto">

  780. <table class="mlabels">

  781.   <tr>

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

  783.       <table class="memname">

  784.         <tr>

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

  786.           <td>(</td>

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

  788.           <td></td>

  789.         </tr>

  790.       </table>

  791.   </td>

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

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

  794.   </tr>

  795. </table>

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

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

  798. 

  799. </div>

  800. </div>

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

  802. <div class="memitem">

  803. <div class="memproto">

  804. <table class="mlabels">

  805.   <tr>

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

  807.       <table class="memname">

  808.         <tr>

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

  810.           <td>(</td>

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

  812.           <td> const</td>

  813.         </tr>

  814.       </table>

  815.   </td>

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

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

  818.   </tr>

  819. </table>

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

  821. <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>

  822. 

  823. </div>

  824. </div>

  825. <a class="anchor" id="acdf8c7fe62ab091971cd546c00714cee"></a>

  826. <div class="memitem">

  827. <div class="memproto">

  828. <table class="mlabels">

  829.   <tr>

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

  831.       <table class="memname">

  832.         <tr>

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

  834.           <td>(</td>

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

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

  837.         </tr>

  838.         <tr>

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

  840.           <td></td>

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

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

  843.         </tr>

  844.         <tr>

  845.           <td></td>

  846.           <td>)</td>

  847.           <td></td><td></td>

  848.         </tr>

  849.       </table>

  850.   </td>

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

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

  853.   </tr>

  854. </table>

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

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

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

  858.   <table class="params">

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

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

  861.   </table>

  862.   </dd>

  863. </dl>

  864. <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>

  865. 

  866. </div>

  867. </div>

  868. <a class="anchor" id="aa5ca6901525dce4b1bc1f94a95441d88"></a>

  869. <div class="memitem">

  870. <div class="memproto">

  871. <table class="mlabels">

  872.   <tr>

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

  874.       <table class="memname">

  875.         <tr>

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

  877.           <td>(</td>

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

  879.           <td class="paramname"><em>block</em>, </td>

  880.         </tr>

  881.         <tr>

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

  883.           <td></td>

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

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

  886.         </tr>

  887.         <tr>

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

  889.           <td></td>

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

  891.           <td class="paramname"><em>count</em>&#160;</td>

  892.         </tr>

  893.         <tr>

  894.           <td></td>

  895.           <td>)</td>

  896.           <td></td><td></td>

  897.         </tr>

  898.       </table>

  899.   </td>

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

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

  902.   </tr>

  903. </table>

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

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

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

  907.   <table class="params">

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

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

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

  911.   </table>

  912.   </dd>

  913. </dl>

  914. <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>

  915. 

  916. </div>

  917. </div>

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

  919. <div class="memitem">

  920. <div class="memproto">

  921. <table class="mlabels">

  922.   <tr>

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

  924.       <table class="memname">

  925.         <tr>

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

  927.           <td>(</td>

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

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

  930.           <td></td>

  931.         </tr>

  932.       </table>

  933.   </td>

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

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

  936.   </tr>

  937. </table>

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

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

  940.   <table class="params">

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

  942.   </table>

  943.   </dd>

  944. </dl>

  945. <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>

  946. 

  947. </div>

  948. </div>

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

  950. <div class="memitem">

  951. <div class="memproto">

  952. <table class="mlabels">

  953.   <tr>

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

  955.       <table class="memname">

  956.         <tr>

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

  958.           <td>(</td>

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

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

  961.           <td></td>

  962.         </tr>

  963.       </table>

  964.   </td>

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

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

  967.   </tr>

  968. </table>

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

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

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

  972.   <table class="params">

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

  974.   </table>

  975.   </dd>

  976. </dl>

  977. <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>

  978. <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>

  979. 

  980. </div>

  981. </div>

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

  983. <div class="memitem">

  984. <div class="memproto">

  985. <table class="mlabels">

  986.   <tr>

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

  988.       <table class="memname">

  989.         <tr>

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

  991.           <td>(</td>

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

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

  994.         </tr>

  995.         <tr>

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

  997.           <td></td>

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

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

  1000.         </tr>

  1001.         <tr>

  1002.           <td></td>

  1003.           <td>)</td>

  1004.           <td></td><td></td>

  1005.         </tr>

  1006.       </table>

  1007.   </td>

  1008.   <td class="mlabels-right">

  1009. <span class="mlabels"><span class="mlabel">inherited</span></span>  </td>

  1010.   </tr>

  1011. </table>

  1012. </div><div class="memdoc">

  1013. <p>Start a write multiple blocks sequence with pre-erase.</p>

  1014. <dl class="params"><dt>Parameters</dt><dd>

  1015.   <table class="params">

  1016.     <tr><td class="paramdir">[in]</td><td class="paramname">blockNumber</td><td>Address of first block in sequence. </td></tr>

  1017.     <tr><td class="paramdir">[in]</td><td class="paramname">eraseCount</td><td>The number of blocks to be pre-erased.</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="aef9154785a4de5560fb807e4f9316fb0"></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::writeStop </td>

  1035.           <td>(</td>

  1036.           <td class="paramname"></td><td>)</td>

  1037.           <td></td>

  1038.         </tr>

  1039.       </table>

  1040.   </td>

  1041.   <td class="mlabels-right">

  1042. <span class="mlabels"><span class="mlabel">inherited</span></span>  </td>

  1043.   </tr>

  1044. </table>

  1045. </div><div class="memdoc">

  1046. <p>End a write multiple blocks sequence.</p>

  1047. <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>

  1048. 

  1049. </div>

  1050. </div>

  1051. <hr/>The documentation for this class was generated from the following file:<ul>

  1052. <li>Arduino/libraries/SdFat/src/<a class="el" href="_sd_fat_8h.html">SdFat.h</a></li>

  1053. </ul>

  1054. </div><!-- contents -->

  1055. <!-- start footer part -->

  1056. <hr class="footer"/><address class="footer"><small>

  1057. Generated on Fri Aug 19 2016 08:28:00 for SdFat by &#160;<a href="http://www.doxygen.org/index.html">

  1058. <img class="footer" src="doxygen.png" alt="doxygen"/>

  1059. </a> 1.8.10

  1060. </small></address>

  1061. </body>

  1062. </html>