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

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  84. <div class="header">

  85.   <div class="summary">

  86. <a href="#pub-types">Public Types</a> &#124;

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

  88. <a href="class_sd_spi_card-members.html">List of all members</a>  </div>

  89.   <div class="headertitle">

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

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

  92. <div class="contents">

  93. 

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

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

  96. 

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

  98. <div class="dynheader">

  99. Inheritance diagram for SdSpiCard:</div>

  100. <div class="dyncontent">

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

  106. <table class="memberdecls">

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

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

  109. <tr class="memitem:a31a561750501b6635ad2b85c8c960381"><td class="memItemLeft" align="right" valign="top">typedef <a class="el" href="_sd_spi_8h.html#a312d9e68dd648980324728cc06d3bf6a">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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  111. </table><table class="memberdecls">

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

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

  114. <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>

  115. <tr class="separator:a8c6452c01f643c96b4a2e03c2ad8ff38"><td class="memSeparator" colspan="2">&#160;</td></tr>

  116. <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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  118. <tr class="memitem:aaa4ec01e40371d6f00c8ed7e8d8eafbc"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#aaa4ec01e40371d6f00c8ed7e8d8eafbc">chipSelectHigh</a> ()</td></tr>

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  120. <tr class="memitem:a198e62163012a9380a75ca69669ef4ae"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a198e62163012a9380a75ca69669ef4ae">chipSelectLow</a> ()</td></tr>

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  122. <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>

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

  124. <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>

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

  126. <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>

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

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

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  130. <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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  132. <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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  134. <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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  136. <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>

  137. <tr class="separator:a5a7e12a5a076cc690885378932fa289f"><td class="memSeparator" colspan="2">&#160;</td></tr>

  138. <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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  140. <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>

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

  142. <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>

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

  144. <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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  146. <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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  148. <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>

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

  150. <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>

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

  152. <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>

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

  154. <tr class="memitem:a3925d9021c378be9c025b2ae14501d6c"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a3925d9021c378be9c025b2ae14501d6c">selected</a> ()</td></tr>

  155. <tr class="separator:a3925d9021c378be9c025b2ae14501d6c"><td class="memSeparator" colspan="2">&#160;</td></tr>

  156. <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>

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

  158. <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>

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

  160. <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>

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

  162. <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>

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

  164. <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>

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

  166. <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>

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

  168. </table>

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

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

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

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

  173. <div class="memitem">

  174. <div class="memproto">

  175.       <table class="memname">

  176.         <tr>

  177.           <td class="memname">typedef <a class="el" href="_sd_spi_8h.html#a312d9e68dd648980324728cc06d3bf6a">SpiDefault_t</a> <a class="el" href="class_sd_spi_card.html#a31a561750501b6635ad2b85c8c960381">SdSpiCard::m_spi_t</a></td>

  178.         </tr>

  179.       </table>

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

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

  182. 

  183. </div>

  184. </div>

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

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

  187. <div class="memitem">

  188. <div class="memproto">

  189. <table class="mlabels">

  190.   <tr>

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

  192.       <table class="memname">

  193.         <tr>

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

  195.           <td>(</td>

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

  197.           <td></td>

  198.         </tr>

  199.       </table>

  200.   </td>

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

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

  203.   </tr>

  204. </table>

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

  206. <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>

  207. 

  208. </div>

  209. </div>

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

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

  212. <div class="memitem">

  213. <div class="memproto">

  214.       <table class="memname">

  215.         <tr>

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

  217.           <td>(</td>

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

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

  220.         </tr>

  221.         <tr>

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

  223.           <td></td>

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

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

  226.         </tr>

  227.         <tr>

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

  229.           <td></td>

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

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

  232.         </tr>

  233.         <tr>

  234.           <td></td>

  235.           <td>)</td>

  236.           <td></td><td></td>

  237.         </tr>

  238.       </table>

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

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

  241.   <table class="params">

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

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

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

  245.   </table>

  246.   </dd>

  247. </dl>

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

  249. 

  250. </div>

  251. </div>

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

  253. <div class="memitem">

  254. <div class="memproto">

  255.       <table class="memname">

  256.         <tr>

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

  258.           <td>(</td>

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

  260.           <td></td>

  261.         </tr>

  262.       </table>

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

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

  265. <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>

  266. 

  267. </div>

  268. </div>

  269. <a class="anchor" id="aaa4ec01e40371d6f00c8ed7e8d8eafbc"></a>

  270. <div class="memitem">

  271. <div class="memproto">

  272.       <table class="memname">

  273.         <tr>

  274.           <td class="memname">void SdSpiCard::chipSelectHigh </td>

  275.           <td>(</td>

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

  277.           <td></td>

  278.         </tr>

  279.       </table>

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

  281. <p>Set the SD chip select pin high, send a dummy byte, and call SPI endTransaction.</p>

  282. <p>This function should only be called by programs doing raw I/O to the SD. </p>

  283. 

  284. </div>

  285. </div>

  286. <a class="anchor" id="a198e62163012a9380a75ca69669ef4ae"></a>

  287. <div class="memitem">

  288. <div class="memproto">

  289.       <table class="memname">

  290.         <tr>

  291.           <td class="memname">void SdSpiCard::chipSelectLow </td>

  292.           <td>(</td>

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

  294.           <td></td>

  295.         </tr>

  296.       </table>

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

  298. <p>Set the SD chip select pin low and call SPI beginTransaction.</p>

  299. <p>This function should only be called by programs doing raw I/O to the SD. </p>

  300. 

  301. </div>

  302. </div>

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

  304. <div class="memitem">

  305. <div class="memproto">

  306.       <table class="memname">

  307.         <tr>

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

  309.           <td>(</td>

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

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

  312.         </tr>

  313.         <tr>

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

  315.           <td></td>

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

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

  318.         </tr>

  319.         <tr>

  320.           <td></td>

  321.           <td>)</td>

  322.           <td></td><td></td>

  323.         </tr>

  324.       </table>

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

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

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

  328.   <table class="params">

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

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

  331.   </table>

  332.   </dd>

  333. </dl>

  334. <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>

  335. <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>

  336. 

  337. </div>

  338. </div>

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

  340. <div class="memitem">

  341. <div class="memproto">

  342.       <table class="memname">

  343.         <tr>

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

  345.           <td>(</td>

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

  347.           <td></td>

  348.         </tr>

  349.       </table>

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

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

  352. <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>

  353. 

  354. </div>

  355. </div>

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

  357. <div class="memitem">

  358. <div class="memproto">

  359. <table class="mlabels">

  360.   <tr>

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

  362.       <table class="memname">

  363.         <tr>

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

  365.           <td>(</td>

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

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

  368.           <td></td>

  369.         </tr>

  370.       </table>

  371.   </td>

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

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

  374.   </tr>

  375. </table>

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

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

  378.   <table class="params">

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

  380.   </table>

  381.   </dd>

  382. </dl>

  383. 

  384. </div>

  385. </div>

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

  387. <div class="memitem">

  388. <div class="memproto">

  389. <table class="mlabels">

  390.   <tr>

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

  392.       <table class="memname">

  393.         <tr>

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

  395.           <td>(</td>

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

  397.           <td> const</td>

  398.         </tr>

  399.       </table>

  400.   </td>

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

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

  403.   </tr>

  404. </table>

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

  406. <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>

  407. 

  408. </div>

  409. </div>

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

  411. <div class="memitem">

  412. <div class="memproto">

  413. <table class="mlabels">

  414.   <tr>

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

  416.       <table class="memname">

  417.         <tr>

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

  419.           <td>(</td>

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

  421.           <td> const</td>

  422.         </tr>

  423.       </table>

  424.   </td>

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

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

  427.   </tr>

  428. </table>

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

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

  431. 

  432. </div>

  433. </div>

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

  435. <div class="memitem">

  436. <div class="memproto">

  437.       <table class="memname">

  438.         <tr>

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

  440.           <td>(</td>

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

  442.           <td></td>

  443.         </tr>

  444.       </table>

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

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

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

  448. 

  449. </div>

  450. </div>

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

  452. <div class="memitem">

  453. <div class="memproto">

  454.       <table class="memname">

  455.         <tr>

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

  457.           <td>(</td>

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

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

  460.         </tr>

  461.         <tr>

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

  463.           <td></td>

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

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

  466.         </tr>

  467.         <tr>

  468.           <td></td>

  469.           <td>)</td>

  470.           <td></td><td></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="memname">

  490.         <tr>

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

  492.           <td>(</td>

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

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

  495.         </tr>

  496.         <tr>

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

  498.           <td></td>

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

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

  501.         </tr>

  502.         <tr>

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

  504.           <td></td>

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

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

  507.         </tr>

  508.         <tr>

  509.           <td></td>

  510.           <td>)</td>

  511.           <td></td><td></td>

  512.         </tr>

  513.       </table>

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

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

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

  517.   <table class="params">

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

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

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

  521.   </table>

  522.   </dd>

  523. </dl>

  524. <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>

  525. 

  526. </div>

  527. </div>

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

  529. <div class="memitem">

  530. <div class="memproto">

  531. <table class="mlabels">

  532.   <tr>

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

  534.       <table class="memname">

  535.         <tr>

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

  537.           <td>(</td>

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

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

  540.           <td></td>

  541.         </tr>

  542.       </table>

  543.   </td>

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

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

  546.   </tr>

  547. </table>

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

  549. <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>

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

  551.   <table class="params">

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

  553.   </table>

  554.   </dd>

  555. </dl>

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

  557. 

  558. </div>

  559. </div>

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

  561. <div class="memitem">

  562. <div class="memproto">

  563. <table class="mlabels">

  564.   <tr>

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

  566.       <table class="memname">

  567.         <tr>

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

  569.           <td>(</td>

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

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

  572.           <td></td>

  573.         </tr>

  574.       </table>

  575.   </td>

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

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

  578.   </tr>

  579. </table>

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

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

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

  583.   <table class="params">

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

  585.   </table>

  586.   </dd>

  587. </dl>

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

  589. 

  590. </div>

  591. </div>

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

  593. <div class="memitem">

  594. <div class="memproto">

  595.       <table class="memname">

  596.         <tr>

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

  598.           <td>(</td>

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

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

  601.           <td></td>

  602.         </tr>

  603.       </table>

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

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

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

  607.   <table class="params">

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

  609.   </table>

  610.   </dd>

  611. </dl>

  612. <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>

  613. 

  614. </div>

  615. </div>

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

  617. <div class="memitem">

  618. <div class="memproto">

  619.       <table class="memname">

  620.         <tr>

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

  622.           <td>(</td>

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

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

  625.           <td></td>

  626.         </tr>

  627.       </table>

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

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

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

  631.   <table class="params">

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

  633.   </table>

  634.   </dd>

  635. </dl>

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

  637. 

  638. </div>

  639. </div>

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

  641. <div class="memitem">

  642. <div class="memproto">

  643.       <table class="memname">

  644.         <tr>

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

  646.           <td>(</td>

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

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

  649.           <td></td>

  650.         </tr>

  651.       </table>

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

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

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

  655.   <table class="params">

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

  657.   </table>

  658.   </dd>

  659. </dl>

  660. <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>

  661. <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>

  662. 

  663. </div>

  664. </div>

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

  666. <div class="memitem">

  667. <div class="memproto">

  668.       <table class="memname">

  669.         <tr>

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

  671.           <td>(</td>

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

  673.           <td></td>

  674.         </tr>

  675.       </table>

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

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

  678. <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>

  679. 

  680. </div>

  681. </div>

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

  683. <div class="memitem">

  684. <div class="memproto">

  685. <table class="mlabels">

  686.   <tr>

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

  688.       <table class="memname">

  689.         <tr>

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

  691.           <td>(</td>

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

  693.           <td></td>

  694.         </tr>

  695.       </table>

  696.   </td>

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

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

  699.   </tr>

  700. </table>

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

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

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

  704. 

  705. </div>

  706. </div>

  707. <a class="anchor" id="a3925d9021c378be9c025b2ae14501d6c"></a>

  708. <div class="memitem">

  709. <div class="memproto">

  710. <table class="mlabels">

  711.   <tr>

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

  713.       <table class="memname">

  714.         <tr>

  715.           <td class="memname">bool SdSpiCard::selected </td>

  716.           <td>(</td>

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

  718.           <td></td>

  719.         </tr>

  720.       </table>

  721.   </td>

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

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

  724.   </tr>

  725. </table>

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

  727. <dl class="section return"><dt>Returns</dt><dd>the SD chip select status, true if slected else false. </dd></dl>

  728. 

  729. </div>

  730. </div>

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

  732. <div class="memitem">

  733. <div class="memproto">

  734. <table class="mlabels">

  735.   <tr>

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

  737.       <table class="memname">

  738.         <tr>

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

  740.           <td>(</td>

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

  742.           <td> const</td>

  743.         </tr>

  744.       </table>

  745.   </td>

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

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

  748.   </tr>

  749. </table>

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

  751. <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>

  752. 

  753. </div>

  754. </div>

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

  756. <div class="memitem">

  757. <div class="memproto">

  758.       <table class="memname">

  759.         <tr>

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

  761.           <td>(</td>

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

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

  764.         </tr>

  765.         <tr>

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

  767.           <td></td>

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

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

  770.         </tr>

  771.         <tr>

  772.           <td></td>

  773.           <td>)</td>

  774.           <td></td><td></td>

  775.         </tr>

  776.       </table>

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

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

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

  780.   <table class="params">

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

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

  783.   </table>

  784.   </dd>

  785. </dl>

  786. <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>

  787. 

  788. </div>

  789. </div>

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

  791. <div class="memitem">

  792. <div class="memproto">

  793.       <table class="memname">

  794.         <tr>

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

  796.           <td>(</td>

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

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

  799.         </tr>

  800.         <tr>

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

  802.           <td></td>

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

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

  805.         </tr>

  806.         <tr>

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

  808.           <td></td>

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

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

  811.         </tr>

  812.         <tr>

  813.           <td></td>

  814.           <td>)</td>

  815.           <td></td><td></td>

  816.         </tr>

  817.       </table>

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

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

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

  821.   <table class="params">

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

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

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

  825.   </table>

  826.   </dd>

  827. </dl>

  828. <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>

  829. 

  830. </div>

  831. </div>

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

  833. <div class="memitem">

  834. <div class="memproto">

  835.       <table class="memname">

  836.         <tr>

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

  838.           <td>(</td>

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

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

  841.           <td></td>

  842.         </tr>

  843.       </table>

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

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

  846.   <table class="params">

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

  848.   </table>

  849.   </dd>

  850. </dl>

  851. <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>

  852. 

  853. </div>

  854. </div>

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

  856. <div class="memitem">

  857. <div class="memproto">

  858.       <table class="memname">

  859.         <tr>

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

  861.           <td>(</td>

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

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

  864.         </tr>

  865.         <tr>

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

  867.           <td></td>

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

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

  870.         </tr>

  871.         <tr>

  872.           <td></td>

  873.           <td>)</td>

  874.           <td></td><td></td>

  875.         </tr>

  876.       </table>

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

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

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

  880.   <table class="params">

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

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

  883.   </table>

  884.   </dd>

  885. </dl>

  886. <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>

  887. <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>

  888. 

  889. </div>

  890. </div>

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

  892. <div class="memitem">

  893. <div class="memproto">

  894.       <table class="memname">

  895.         <tr>

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

  897.           <td>(</td>

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

  899.           <td></td>

  900.         </tr>

  901.       </table>

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

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

  904. <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>

  905. 

  906. </div>

  907. </div>

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

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

  910. <li>Arduino/libraries/SdFat/src/SdSpiCard/SdSpiCard.cpp</li>

  911. </ul>

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

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

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

  915. Generated on Fri Feb 12 2016 13:43:49 for SdFat by &#160;<a href="http://www.doxygen.org/index.html">

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

  917. </a> 1.8.10

  918. </small></address>

  919. </body>

  920. </html>