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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_sd_spi_card-members.html">List of all members</a>  </div>

  87.   <div class="headertitle">

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

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

  90. <div class="contents">

  91. 

  92. <p>Raw access to SD and SDHC flash memory cards via SPI protocol.  

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

  94. 

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

  96. <div class="dynheader">

  97. Inheritance diagram for SdSpiCard:</div>

  98. <div class="dyncontent">

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

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  103. </map>

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

  105. <table class="memberdecls">

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

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

  108. <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>

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

  110. <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>

  111. <tr class="separator:afca8bd6b7e465bf9c475ba375c4deec8"><td class="memSeparator" colspan="2">&#160;</td></tr>

  112. <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>

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

  114. <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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  116. <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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  118. <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>

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

  120. <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>

  121. <tr class="separator:a7b1abdb8dd5254cd4af0df19ba59ce4a"><td class="memSeparator" colspan="2">&#160;</td></tr>

  122. <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>

  123. <tr class="separator:aa3cb9139dbc1e6596c6717da2b486328"><td class="memSeparator" colspan="2">&#160;</td></tr>

  124. <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>

  125. <tr class="separator:a4393634a82c6683ee94d1fefe0be332a"><td class="memSeparator" colspan="2">&#160;</td></tr>

  126. <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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  128. <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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  130. <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>

  131. <tr class="separator:a9fbea9525e70f6e3602fe5153a5a1290"><td class="memSeparator" colspan="2">&#160;</td></tr>

  132. <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>

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

  134. <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>

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

  136. <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>

  137. <tr class="separator:a3b1710d11496c32ba4323831e00ac6d1"><td class="memSeparator" colspan="2">&#160;</td></tr>

  138. <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>

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

  140. <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>

  141. <tr class="separator:afdac7c399fa1ba3f904cf503526e007e"><td class="memSeparator" colspan="2">&#160;</td></tr>

  142. <tr class="memitem:a0441c5da53bd3bd72fb833fc940f25e8"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a0441c5da53bd3bd72fb833fc940f25e8">SdSpiCard</a> ()</td></tr>

  143. <tr class="separator:a0441c5da53bd3bd72fb833fc940f25e8"><td class="memSeparator" colspan="2">&#160;</td></tr>

  144. <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>

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

  146. <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>

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

  148. <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>

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

  150. <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>

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

  152. <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>

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

  154. <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>

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

  156. <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>

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

  158. <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>

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

  160. <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>

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

  162. <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>

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

  164. </table>

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

  166. <div class="textblock"><p>Raw access to SD and SDHC flash memory cards via SPI protocol. </p>

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

  168. <a class="anchor" id="a0441c5da53bd3bd72fb833fc940f25e8"></a>

  169. <div class="memitem">

  170. <div class="memproto">

  171. <table class="mlabels">

  172.   <tr>

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

  174.       <table class="memname">

  175.         <tr>

  176.           <td class="memname">SdSpiCard::SdSpiCard </td>

  177.           <td>(</td>

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

  179.           <td></td>

  180.         </tr>

  181.       </table>

  182.   </td>

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

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

  185.   </tr>

  186. </table>

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

  188. <p>Construct an instance of <a class="el" href="class_sd_spi_card.html" title="Raw access to SD and SDHC flash memory cards via SPI protocol. ">SdSpiCard</a>. </p>

  189. 

  190. </div>

  191. </div>

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

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

  194. <div class="memitem">

  195. <div class="memproto">

  196.       <table class="memname">

  197.         <tr>

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

  199.           <td>(</td>

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

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

  202.         </tr>

  203.         <tr>

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

  205.           <td></td>

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

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

  208.         </tr>

  209.         <tr>

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

  211.           <td></td>

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

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

  214.         </tr>

  215.         <tr>

  216.           <td></td>

  217.           <td>)</td>

  218.           <td></td><td></td>

  219.         </tr>

  220.       </table>

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

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

  223.   <table class="params">

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

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

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

  227.   </table>

  228.   </dd>

  229. </dl>

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

  231. 

  232. </div>

  233. </div>

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

  235. <div class="memitem">

  236. <div class="memproto">

  237.       <table class="memname">

  238.         <tr>

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

  240.           <td>(</td>

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

  242.           <td></td>

  243.         </tr>

  244.       </table>

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

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

  247. <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>

  248. 

  249. </div>

  250. </div>

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

  252. <div class="memitem">

  253. <div class="memproto">

  254.       <table class="memname">

  255.         <tr>

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

  257.           <td>(</td>

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

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

  260.         </tr>

  261.         <tr>

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

  263.           <td></td>

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

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

  266.         </tr>

  267.         <tr>

  268.           <td></td>

  269.           <td>)</td>

  270.           <td></td><td></td>

  271.         </tr>

  272.       </table>

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

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

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

  276.   <table class="params">

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

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

  279.   </table>

  280.   </dd>

  281. </dl>

  282. <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>

  283. <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>

  284. 

  285. </div>

  286. </div>

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

  288. <div class="memitem">

  289. <div class="memproto">

  290.       <table class="memname">

  291.         <tr>

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

  293.           <td>(</td>

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

  295.           <td></td>

  296.         </tr>

  297.       </table>

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

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

  300. <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>

  301. 

  302. </div>

  303. </div>

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

  305. <div class="memitem">

  306. <div class="memproto">

  307. <table class="mlabels">

  308.   <tr>

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

  310.       <table class="memname">

  311.         <tr>

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

  313.           <td>(</td>

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

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

  316.           <td></td>

  317.         </tr>

  318.       </table>

  319.   </td>

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

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

  322.   </tr>

  323. </table>

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

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

  326.   <table class="params">

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

  328.   </table>

  329.   </dd>

  330. </dl>

  331. 

  332. </div>

  333. </div>

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

  335. <div class="memitem">

  336. <div class="memproto">

  337. <table class="mlabels">

  338.   <tr>

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

  340.       <table class="memname">

  341.         <tr>

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

  343.           <td>(</td>

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

  345.           <td> const</td>

  346.         </tr>

  347.       </table>

  348.   </td>

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

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

  351.   </tr>

  352. </table>

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

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

  355. 

  356. </div>

  357. </div>

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

  359. <div class="memitem">

  360. <div class="memproto">

  361. <table class="mlabels">

  362.   <tr>

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

  364.       <table class="memname">

  365.         <tr>

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

  367.           <td>(</td>

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

  369.           <td> const</td>

  370.         </tr>

  371.       </table>

  372.   </td>

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

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

  375.   </tr>

  376. </table>

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

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

  379. 

  380. </div>

  381. </div>

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

  383. <div class="memitem">

  384. <div class="memproto">

  385.       <table class="memname">

  386.         <tr>

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

  388.           <td>(</td>

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

  390.           <td></td>

  391.         </tr>

  392.       </table>

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

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

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

  396. 

  397. </div>

  398. </div>

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

  400. <div class="memitem">

  401. <div class="memproto">

  402.       <table class="memname">

  403.         <tr>

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

  405.           <td>(</td>

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

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

  408.         </tr>

  409.         <tr>

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

  411.           <td></td>

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

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

  414.         </tr>

  415.         <tr>

  416.           <td></td>

  417.           <td>)</td>

  418.           <td></td><td></td>

  419.         </tr>

  420.       </table>

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

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

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

  424.   <table class="params">

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

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

  427.   </table>

  428.   </dd>

  429. </dl>

  430. <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>

  431. 

  432. </div>

  433. </div>

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

  435. <div class="memitem">

  436. <div class="memproto">

  437.       <table class="memname">

  438.         <tr>

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

  440.           <td>(</td>

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

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

  443.         </tr>

  444.         <tr>

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

  446.           <td></td>

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

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

  449.         </tr>

  450.         <tr>

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

  452.           <td></td>

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

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

  455.         </tr>

  456.         <tr>

  457.           <td></td>

  458.           <td>)</td>

  459.           <td></td><td></td>

  460.         </tr>

  461.       </table>

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

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

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

  465.   <table class="params">

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

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

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

  469.   </table>

  470.   </dd>

  471. </dl>

  472. <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>

  473. 

  474. </div>

  475. </div>

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

  477. <div class="memitem">

  478. <div class="memproto">

  479. <table class="mlabels">

  480.   <tr>

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

  482.       <table class="memname">

  483.         <tr>

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

  485.           <td>(</td>

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

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

  488.           <td></td>

  489.         </tr>

  490.       </table>

  491.   </td>

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

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

  494.   </tr>

  495. </table>

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

  497. <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>

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

  499.   <table class="params">

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

  501.   </table>

  502.   </dd>

  503. </dl>

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

  505. 

  506. </div>

  507. </div>

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

  509. <div class="memitem">

  510. <div class="memproto">

  511. <table class="mlabels">

  512.   <tr>

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

  514.       <table class="memname">

  515.         <tr>

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

  517.           <td>(</td>

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

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

  520.           <td></td>

  521.         </tr>

  522.       </table>

  523.   </td>

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

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

  526.   </tr>

  527. </table>

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

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

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

  531.   <table class="params">

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

  533.   </table>

  534.   </dd>

  535. </dl>

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

  537. 

  538. </div>

  539. </div>

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

  541. <div class="memitem">

  542. <div class="memproto">

  543.       <table class="memname">

  544.         <tr>

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

  546.           <td>(</td>

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

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

  549.           <td></td>

  550.         </tr>

  551.       </table>

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

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

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

  555.   <table class="params">

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

  557.   </table>

  558.   </dd>

  559. </dl>

  560. <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>

  561. 

  562. </div>

  563. </div>

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

  565. <div class="memitem">

  566. <div class="memproto">

  567.       <table class="memname">

  568.         <tr>

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

  570.           <td>(</td>

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

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

  573.           <td></td>

  574.         </tr>

  575.       </table>

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

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

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

  579.   <table class="params">

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

  581.   </table>

  582.   </dd>

  583. </dl>

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

  585. 

  586. </div>

  587. </div>

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

  589. <div class="memitem">

  590. <div class="memproto">

  591.       <table class="memname">

  592.         <tr>

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

  594.           <td>(</td>

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

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

  597.           <td></td>

  598.         </tr>

  599.       </table>

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

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

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

  603.   <table class="params">

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

  605.   </table>

  606.   </dd>

  607. </dl>

  608. <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>

  609. <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>

  610. 

  611. </div>

  612. </div>

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

  614. <div class="memitem">

  615. <div class="memproto">

  616.       <table class="memname">

  617.         <tr>

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

  619.           <td>(</td>

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

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

  622.           <td></td>

  623.         </tr>

  624.       </table>

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

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

  627.   <table class="params">

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

  629.   </table>

  630.   </dd>

  631. </dl>

  632. <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>

  633. 

  634. </div>

  635. </div>

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

  637. <div class="memitem">

  638. <div class="memproto">

  639.       <table class="memname">

  640.         <tr>

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

  642.           <td>(</td>

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

  644.           <td></td>

  645.         </tr>

  646.       </table>

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

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

  649. <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>

  650. 

  651. </div>

  652. </div>

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

  654. <div class="memitem">

  655. <div class="memproto">

  656.       <table class="memname">

  657.         <tr>

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

  659.           <td>(</td>

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

  661.           <td></td>

  662.         </tr>

  663.       </table>

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

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

  666. 

  667. </div>

  668. </div>

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

  670. <div class="memitem">

  671. <div class="memproto">

  672.       <table class="memname">

  673.         <tr>

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

  675.           <td>(</td>

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

  677.           <td></td>

  678.         </tr>

  679.       </table>

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

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

  682. 

  683. </div>

  684. </div>

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

  686. <div class="memitem">

  687. <div class="memproto">

  688. <table class="mlabels">

  689.   <tr>

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

  691.       <table class="memname">

  692.         <tr>

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

  694.           <td>(</td>

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

  696.           <td></td>

  697.         </tr>

  698.       </table>

  699.   </td>

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

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

  702.   </tr>

  703. </table>

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

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

  706. 

  707. </div>

  708. </div>

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

  710. <div class="memitem">

  711. <div class="memproto">

  712. <table class="mlabels">

  713.   <tr>

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

  715.       <table class="memname">

  716.         <tr>

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

  718.           <td>(</td>

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

  720.           <td> const</td>

  721.         </tr>

  722.       </table>

  723.   </td>

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

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

  726.   </tr>

  727. </table>

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

  729. <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>

  730. 

  731. </div>

  732. </div>

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

  734. <div class="memitem">

  735. <div class="memproto">

  736.       <table class="memname">

  737.         <tr>

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

  739.           <td>(</td>

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

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

  742.         </tr>

  743.         <tr>

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

  745.           <td></td>

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

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

  748.         </tr>

  749.         <tr>

  750.           <td></td>

  751.           <td>)</td>

  752.           <td></td><td></td>

  753.         </tr>

  754.       </table>

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

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

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

  758.   <table class="params">

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

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

  761.   </table>

  762.   </dd>

  763. </dl>

  764. <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>

  765. 

  766. </div>

  767. </div>

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

  769. <div class="memitem">

  770. <div class="memproto">

  771.       <table class="memname">

  772.         <tr>

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

  774.           <td>(</td>

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

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

  777.         </tr>

  778.         <tr>

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

  780.           <td></td>

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

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

  783.         </tr>

  784.         <tr>

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

  786.           <td></td>

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

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

  789.         </tr>

  790.         <tr>

  791.           <td></td>

  792.           <td>)</td>

  793.           <td></td><td></td>

  794.         </tr>

  795.       </table>

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

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

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

  799.   <table class="params">

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

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

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

  803.   </table>

  804.   </dd>

  805. </dl>

  806. <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>

  807. 

  808. </div>

  809. </div>

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

  811. <div class="memitem">

  812. <div class="memproto">

  813.       <table class="memname">

  814.         <tr>

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

  816.           <td>(</td>

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

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

  819.           <td></td>

  820.         </tr>

  821.       </table>

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

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

  824.   <table class="params">

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

  826.   </table>

  827.   </dd>

  828. </dl>

  829. <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>

  830. 

  831. </div>

  832. </div>

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

  834. <div class="memitem">

  835. <div class="memproto">

  836.       <table class="memname">

  837.         <tr>

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

  839.           <td>(</td>

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

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

  842.           <td></td>

  843.         </tr>

  844.       </table>

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

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

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

  848.   <table class="params">

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

  850.   </table>

  851.   </dd>

  852. </dl>

  853. <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>

  854. <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>

  855. 

  856. </div>

  857. </div>

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

  859. <div class="memitem">

  860. <div class="memproto">

  861.       <table class="memname">

  862.         <tr>

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

  864.           <td>(</td>

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

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

  867.         </tr>

  868.         <tr>

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

  870.           <td></td>

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

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

  873.         </tr>

  874.         <tr>

  875.           <td></td>

  876.           <td>)</td>

  877.           <td></td><td></td>

  878.         </tr>

  879.       </table>

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

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

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

  883.   <table class="params">

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

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

  886.   </table>

  887.   </dd>

  888. </dl>

  889. <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>

  890. <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>

  891. 

  892. </div>

  893. </div>

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

  895. <div class="memitem">

  896. <div class="memproto">

  897.       <table class="memname">

  898.         <tr>

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

  900.           <td>(</td>

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

  902.           <td></td>

  903.         </tr>

  904.       </table>

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

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

  907. <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>

  908. 

  909. </div>

  910. </div>

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

  912. <li>Arduino/libraries/SdFat/src/SdCard/<a class="el" href="_sd_spi_card_8h.html">SdSpiCard.h</a></li>

  913. <li>Arduino/libraries/SdFat/src/SdCard/SdSpiCard.cpp</li>

  914. </ul>

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

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

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

  918. Generated on Mon Sep 5 2016 10:18:53 for SdFat by &#160;<a href="http://www.doxygen.org/index.html">

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

  920. </a> 1.8.10

  921. </small></address>

  922. </body>

  923. </html>