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

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  92. 

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

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

  95. 

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

  97. <div class="dynheader">

  98. Inheritance diagram for SdSpiCard:</div>

  99. <div class="dyncontent">

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  106. Public Types</h2></td></tr>

  107. <tr class="memitem:a31a561750501b6635ad2b85c8c960381"><td class="memItemLeft" align="right" valign="top">typedef <a class="el" href="_sd_spi_8h.html#ad2c24f6ae166193062e50d14c5342b95">SpiDefault_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a31a561750501b6635ad2b85c8c960381">m_spi_t</a></td></tr>

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  112. <tr class="memitem:a8c6452c01f643c96b4a2e03c2ad8ff38"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a8c6452c01f643c96b4a2e03c2ad8ff38">begin</a> (<a class="el" href="class_sd_spi_card.html#a31a561750501b6635ad2b85c8c960381">m_spi_t</a> *spi, uint8_t chipSelectPin=SS, uint8_t <a class="el" href="class_sd_spi_card.html#a0c2acfc8cdde3d35245b34018efcc6c7">sckDivisor</a>=SPI_FULL_SPEED)</td></tr>

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  116. <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>

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  118. <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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  120. <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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  124. <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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  126. <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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  128. <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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  134. <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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  136. <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>

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

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  140. <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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  142. <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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  144. <tr class="memitem:a0c2acfc8cdde3d35245b34018efcc6c7"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a0c2acfc8cdde3d35245b34018efcc6c7">sckDivisor</a> ()</td></tr>

  145. <tr class="separator:a0c2acfc8cdde3d35245b34018efcc6c7"><td class="memSeparator" colspan="2">&#160;</td></tr>

  146. <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>

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  148. <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>

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  150. <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>

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  152. <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>

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

  154. <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>

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

  156. <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>

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

  158. <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>

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

  160. </table>

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

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

  163. </div><h2 class="groupheader">Member Typedef Documentation</h2>

  164. <a class="anchor" id="a31a561750501b6635ad2b85c8c960381"></a>

  165. <div class="memitem">

  166. <div class="memproto">

  167.       <table class="memname">

  168.         <tr>

  169.           <td class="memname">typedef <a class="el" href="_sd_spi_8h.html#ad2c24f6ae166193062e50d14c5342b95">SpiDefault_t</a> <a class="el" href="class_sd_spi_card.html#a31a561750501b6635ad2b85c8c960381">SdSpiCard::m_spi_t</a></td>

  170.         </tr>

  171.       </table>

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

  173. <p>typedef for SPI class. </p>

  174. 

  175. </div>

  176. </div>

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

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

  179. <div class="memitem">

  180. <div class="memproto">

  181. <table class="mlabels">

  182.   <tr>

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

  184.       <table class="memname">

  185.         <tr>

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

  187.           <td>(</td>

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

  189.           <td></td>

  190.         </tr>

  191.       </table>

  192.   </td>

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

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

  195.   </tr>

  196. </table>

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

  198. <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>

  199. 

  200. </div>

  201. </div>

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

  203. <a class="anchor" id="a8c6452c01f643c96b4a2e03c2ad8ff38"></a>

  204. <div class="memitem">

  205. <div class="memproto">

  206.       <table class="memname">

  207.         <tr>

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

  209.           <td>(</td>

  210.           <td class="paramtype"><a class="el" href="class_sd_spi_card.html#a31a561750501b6635ad2b85c8c960381">m_spi_t</a> *&#160;</td>

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

  212.         </tr>

  213.         <tr>

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

  215.           <td></td>

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

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

  218.         </tr>

  219.         <tr>

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

  221.           <td></td>

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

  223.           <td class="paramname"><em>sckDivisor</em> = <code>SPI_FULL_SPEED</code>&#160;</td>

  224.         </tr>

  225.         <tr>

  226.           <td></td>

  227.           <td>)</td>

  228.           <td></td><td></td>

  229.         </tr>

  230.       </table>

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

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

  233.   <table class="params">

  234.     <tr><td class="paramdir">[in]</td><td class="paramname">spi</td><td>SPI object. </td></tr>

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

  236.     <tr><td class="paramdir">[in]</td><td class="paramname">sckDivisor</td><td>SPI clock divisor. </td></tr>

  237.   </table>

  238.   </dd>

  239. </dl>

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

  241. 

  242. </div>

  243. </div>

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

  245. <div class="memitem">

  246. <div class="memproto">

  247.       <table class="memname">

  248.         <tr>

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

  250.           <td>(</td>

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

  252.           <td></td>

  253.         </tr>

  254.       </table>

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

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

  257. <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>

  258. 

  259. </div>

  260. </div>

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

  262. <div class="memitem">

  263. <div class="memproto">

  264.       <table class="memname">

  265.         <tr>

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

  267.           <td>(</td>

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

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

  270.         </tr>

  271.         <tr>

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

  273.           <td></td>

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

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

  276.         </tr>

  277.         <tr>

  278.           <td></td>

  279.           <td>)</td>

  280.           <td></td><td></td>

  281.         </tr>

  282.       </table>

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

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

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

  286.   <table class="params">

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

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

  289.   </table>

  290.   </dd>

  291. </dl>

  292. <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>

  293. <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>

  294. 

  295. </div>

  296. </div>

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

  298. <div class="memitem">

  299. <div class="memproto">

  300.       <table class="memname">

  301.         <tr>

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

  303.           <td>(</td>

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

  305.           <td></td>

  306.         </tr>

  307.       </table>

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

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

  310. <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>

  311. 

  312. </div>

  313. </div>

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

  315. <div class="memitem">

  316. <div class="memproto">

  317. <table class="mlabels">

  318.   <tr>

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

  320.       <table class="memname">

  321.         <tr>

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

  323.           <td>(</td>

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

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

  326.           <td></td>

  327.         </tr>

  328.       </table>

  329.   </td>

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

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

  332.   </tr>

  333. </table>

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

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

  336.   <table class="params">

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

  338.   </table>

  339.   </dd>

  340. </dl>

  341. 

  342. </div>

  343. </div>

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

  345. <div class="memitem">

  346. <div class="memproto">

  347. <table class="mlabels">

  348.   <tr>

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

  350.       <table class="memname">

  351.         <tr>

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

  353.           <td>(</td>

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

  355.           <td> const</td>

  356.         </tr>

  357.       </table>

  358.   </td>

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

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

  361.   </tr>

  362. </table>

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

  364. <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>

  365. 

  366. </div>

  367. </div>

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

  369. <div class="memitem">

  370. <div class="memproto">

  371. <table class="mlabels">

  372.   <tr>

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

  374.       <table class="memname">

  375.         <tr>

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

  377.           <td>(</td>

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

  379.           <td> const</td>

  380.         </tr>

  381.       </table>

  382.   </td>

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

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

  385.   </tr>

  386. </table>

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

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

  389. 

  390. </div>

  391. </div>

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

  393. <div class="memitem">

  394. <div class="memproto">

  395.       <table class="memname">

  396.         <tr>

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

  398.           <td>(</td>

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

  400.           <td></td>

  401.         </tr>

  402.       </table>

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

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

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

  406. 

  407. </div>

  408. </div>

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

  410. <div class="memitem">

  411. <div class="memproto">

  412.       <table class="memname">

  413.         <tr>

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

  415.           <td>(</td>

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

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

  418.         </tr>

  419.         <tr>

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

  421.           <td></td>

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

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

  424.         </tr>

  425.         <tr>

  426.           <td></td>

  427.           <td>)</td>

  428.           <td></td><td></td>

  429.         </tr>

  430.       </table>

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

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

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

  434.   <table class="params">

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

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

  437.   </table>

  438.   </dd>

  439. </dl>

  440. <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>

  441. 

  442. </div>

  443. </div>

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

  445. <div class="memitem">

  446. <div class="memproto">

  447.       <table class="memname">

  448.         <tr>

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

  450.           <td>(</td>

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

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

  453.         </tr>

  454.         <tr>

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

  456.           <td></td>

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

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

  459.         </tr>

  460.         <tr>

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

  462.           <td></td>

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

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

  465.         </tr>

  466.         <tr>

  467.           <td></td>

  468.           <td>)</td>

  469.           <td></td><td></td>

  470.         </tr>

  471.       </table>

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

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

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

  475.   <table class="params">

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

  477.     <tr><td class="paramdir">[in]</td><td class="paramname">count</td><td>Number of blocks 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="aa073dc42828164883db1b9faeff909ea"></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::readCID </td>

  495.           <td>(</td>

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

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

  498.           <td></td>

  499.         </tr>

  500.       </table>

  501.   </td>

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

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

  504.   </tr>

  505. </table>

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

  507. <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>

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

  509.   <table class="params">

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

  511.   </table>

  512.   </dd>

  513. </dl>

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

  515. 

  516. </div>

  517. </div>

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

  519. <div class="memitem">

  520. <div class="memproto">

  521. <table class="mlabels">

  522.   <tr>

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

  524.       <table class="memname">

  525.         <tr>

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

  527.           <td>(</td>

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

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

  530.           <td></td>

  531.         </tr>

  532.       </table>

  533.   </td>

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

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

  536.   </tr>

  537. </table>

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

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

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

  541.   <table class="params">

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

  543.   </table>

  544.   </dd>

  545. </dl>

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

  547. 

  548. </div>

  549. </div>

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

  551. <div class="memitem">

  552. <div class="memproto">

  553.       <table class="memname">

  554.         <tr>

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

  556.           <td>(</td>

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

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

  559.           <td></td>

  560.         </tr>

  561.       </table>

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

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

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

  565.   <table class="params">

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

  567.   </table>

  568.   </dd>

  569. </dl>

  570. <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>

  571. 

  572. </div>

  573. </div>

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

  575. <div class="memitem">

  576. <div class="memproto">

  577.       <table class="memname">

  578.         <tr>

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

  580.           <td>(</td>

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

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

  583.           <td></td>

  584.         </tr>

  585.       </table>

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

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

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

  589.   <table class="params">

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

  591.   </table>

  592.   </dd>

  593. </dl>

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

  595. 

  596. </div>

  597. </div>

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

  599. <div class="memitem">

  600. <div class="memproto">

  601.       <table class="memname">

  602.         <tr>

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

  604.           <td>(</td>

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

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

  607.           <td></td>

  608.         </tr>

  609.       </table>

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

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

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

  613.   <table class="params">

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

  615.   </table>

  616.   </dd>

  617. </dl>

  618. <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>

  619. <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>

  620. 

  621. </div>

  622. </div>

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

  624. <div class="memitem">

  625. <div class="memproto">

  626.       <table class="memname">

  627.         <tr>

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

  629.           <td>(</td>

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

  631.           <td></td>

  632.         </tr>

  633.       </table>

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

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

  636. <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>

  637. 

  638. </div>

  639. </div>

  640. <a class="anchor" id="a0c2acfc8cdde3d35245b34018efcc6c7"></a>

  641. <div class="memitem">

  642. <div class="memproto">

  643. <table class="mlabels">

  644.   <tr>

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

  646.       <table class="memname">

  647.         <tr>

  648.           <td class="memname">uint8_t SdSpiCard::sckDivisor </td>

  649.           <td>(</td>

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

  651.           <td></td>

  652.         </tr>

  653.       </table>

  654.   </td>

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

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

  657.   </tr>

  658. </table>

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

  660. <p>Return SCK divisor.</p>

  661. <dl class="section return"><dt>Returns</dt><dd>Requested SCK divisor. </dd></dl>

  662. 

  663. </div>

  664. </div>

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

  666. <div class="memitem">

  667. <div class="memproto">

  668. <table class="mlabels">

  669.   <tr>

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

  671.       <table class="memname">

  672.         <tr>

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

  674.           <td>(</td>

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

  676.           <td> const</td>

  677.         </tr>

  678.       </table>

  679.   </td>

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

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

  682.   </tr>

  683. </table>

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

  685. <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>

  686. 

  687. </div>

  688. </div>

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

  690. <div class="memitem">

  691. <div class="memproto">

  692.       <table class="memname">

  693.         <tr>

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

  695.           <td>(</td>

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

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

  698.         </tr>

  699.         <tr>

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

  701.           <td></td>

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

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

  704.         </tr>

  705.         <tr>

  706.           <td></td>

  707.           <td>)</td>

  708.           <td></td><td></td>

  709.         </tr>

  710.       </table>

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

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

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

  714.   <table class="params">

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

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

  717.   </table>

  718.   </dd>

  719. </dl>

  720. <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>

  721. 

  722. </div>

  723. </div>

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

  725. <div class="memitem">

  726. <div class="memproto">

  727.       <table class="memname">

  728.         <tr>

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

  730.           <td>(</td>

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

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

  733.         </tr>

  734.         <tr>

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

  736.           <td></td>

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

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

  739.         </tr>

  740.         <tr>

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

  742.           <td></td>

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

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

  745.         </tr>

  746.         <tr>

  747.           <td></td>

  748.           <td>)</td>

  749.           <td></td><td></td>

  750.         </tr>

  751.       </table>

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

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

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

  755.   <table class="params">

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

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

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

  759.   </table>

  760.   </dd>

  761. </dl>

  762. <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>

  763. 

  764. </div>

  765. </div>

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

  767. <div class="memitem">

  768. <div class="memproto">

  769.       <table class="memname">

  770.         <tr>

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

  772.           <td>(</td>

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

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

  775.           <td></td>

  776.         </tr>

  777.       </table>

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

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

  780.   <table class="params">

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

  782.   </table>

  783.   </dd>

  784. </dl>

  785. <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>

  786. 

  787. </div>

  788. </div>

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

  790. <div class="memitem">

  791. <div class="memproto">

  792.       <table class="memname">

  793.         <tr>

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

  795.           <td>(</td>

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

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

  798.         </tr>

  799.         <tr>

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

  801.           <td></td>

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

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

  804.         </tr>

  805.         <tr>

  806.           <td></td>

  807.           <td>)</td>

  808.           <td></td><td></td>

  809.         </tr>

  810.       </table>

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

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

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

  814.   <table class="params">

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

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

  817.   </table>

  818.   </dd>

  819. </dl>

  820. <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>

  821. <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>

  822. 

  823. </div>

  824. </div>

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

  826. <div class="memitem">

  827. <div class="memproto">

  828.       <table class="memname">

  829.         <tr>

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

  831.           <td>(</td>

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

  833.           <td></td>

  834.         </tr>

  835.       </table>

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

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

  838. <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>

  839. 

  840. </div>

  841. </div>

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

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

  844. <li>Arduino/libraries/SdFat/SdSpiCard.cpp</li>

  845. </ul>

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

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

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

  849. Generated on Sun Feb 1 2015 10:21:40 for SdFat by &#160;<a href="http://www.doxygen.org/index.html">

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

  851. </a> 1.8.8

  852. </small></address>

  853. </body>

  854. </html>