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

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  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">

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

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

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  111. <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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  113. <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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  115. <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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  119. <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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  125. <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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  139. <tr class="memitem:a91d0413599efe0d63c8c2dfe4a12d9ae"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_spi_card.html#a91d0413599efe0d63c8c2dfe4a12d9ae">readStatus</a> (uint8_t *status)</td></tr>

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  141. <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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  143. <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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  145. <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>

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  147. <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>

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  149. <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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  151. <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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  153. <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>

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

  155. <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>

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  157. <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>

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

  159. <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>

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

  161. <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>

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

  163. </table>

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

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

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

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

  168. <div class="memitem">

  169. <div class="memproto">

  170. <table class="mlabels">

  171.   <tr>

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

  173.       <table class="memname">

  174.         <tr>

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

  176.           <td>(</td>

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

  178.           <td></td>

  179.         </tr>

  180.       </table>

  181.   </td>

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

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

  184.   </tr>

  185. </table>

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

  187. <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>

  188. 

  189. </div>

  190. </div>

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

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

  193. <div class="memitem">

  194. <div class="memproto">

  195.       <table class="memname">

  196.         <tr>

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

  198.           <td>(</td>

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

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

  201.           <td></td>

  202.         </tr>

  203.       </table>

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

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

  206.   <table class="params">

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

  208.   </table>

  209.   </dd>

  210. </dl>

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

  212. 

  213. </div>

  214. </div>

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

  216. <div class="memitem">

  217. <div class="memproto">

  218.       <table class="memname">

  219.         <tr>

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

  221.           <td>(</td>

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

  223.           <td></td>

  224.         </tr>

  225.       </table>

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

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

  228. <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>

  229. 

  230. </div>

  231. </div>

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

  233. <div class="memitem">

  234. <div class="memproto">

  235.       <table class="memname">

  236.         <tr>

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

  238.           <td>(</td>

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

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

  241.         </tr>

  242.         <tr>

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

  244.           <td></td>

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

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

  247.         </tr>

  248.         <tr>

  249.           <td></td>

  250.           <td>)</td>

  251.           <td></td><td></td>

  252.         </tr>

  253.       </table>

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

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

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

  257.   <table class="params">

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

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

  260.   </table>

  261.   </dd>

  262. </dl>

  263. <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>

  264. <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>

  265. 

  266. </div>

  267. </div>

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

  269. <div class="memitem">

  270. <div class="memproto">

  271.       <table class="memname">

  272.         <tr>

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

  274.           <td>(</td>

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

  276.           <td></td>

  277.         </tr>

  278.       </table>

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

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

  281. <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>

  282. 

  283. </div>

  284. </div>

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

  286. <div class="memitem">

  287. <div class="memproto">

  288. <table class="mlabels">

  289.   <tr>

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

  291.       <table class="memname">

  292.         <tr>

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

  294.           <td>(</td>

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

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

  297.           <td></td>

  298.         </tr>

  299.       </table>

  300.   </td>

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

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

  303.   </tr>

  304. </table>

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

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

  307.   <table class="params">

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

  309.   </table>

  310.   </dd>

  311. </dl>

  312. 

  313. </div>

  314. </div>

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

  316. <div class="memitem">

  317. <div class="memproto">

  318. <table class="mlabels">

  319.   <tr>

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

  321.       <table class="memname">

  322.         <tr>

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

  324.           <td>(</td>

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

  326.           <td> const</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. <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>

  336. 

  337. </div>

  338. </div>

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

  340. <div class="memitem">

  341. <div class="memproto">

  342. <table class="mlabels">

  343.   <tr>

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

  345.       <table class="memname">

  346.         <tr>

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

  348.           <td>(</td>

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

  350.           <td> const</td>

  351.         </tr>

  352.       </table>

  353.   </td>

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

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

  356.   </tr>

  357. </table>

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

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

  360. 

  361. </div>

  362. </div>

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

  364. <div class="memitem">

  365. <div class="memproto">

  366.       <table class="memname">

  367.         <tr>

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

  369.           <td>(</td>

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

  371.           <td></td>

  372.         </tr>

  373.       </table>

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

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

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

  377. 

  378. </div>

  379. </div>

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

  381. <div class="memitem">

  382. <div class="memproto">

  383.       <table class="memname">

  384.         <tr>

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

  386.           <td>(</td>

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

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

  389.         </tr>

  390.         <tr>

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

  392.           <td></td>

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

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

  395.         </tr>

  396.         <tr>

  397.           <td></td>

  398.           <td>)</td>

  399.           <td></td><td></td>

  400.         </tr>

  401.       </table>

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

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

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

  405.   <table class="params">

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

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

  408.   </table>

  409.   </dd>

  410. </dl>

  411. <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>

  412. 

  413. </div>

  414. </div>

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

  416. <div class="memitem">

  417. <div class="memproto">

  418.       <table class="memname">

  419.         <tr>

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

  421.           <td>(</td>

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

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

  424.         </tr>

  425.         <tr>

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

  427.           <td></td>

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

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

  430.         </tr>

  431.         <tr>

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

  433.           <td></td>

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

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

  436.         </tr>

  437.         <tr>

  438.           <td></td>

  439.           <td>)</td>

  440.           <td></td><td></td>

  441.         </tr>

  442.       </table>

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

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

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

  446.   <table class="params">

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

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

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

  450.   </table>

  451.   </dd>

  452. </dl>

  453. <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>

  454. 

  455. </div>

  456. </div>

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

  458. <div class="memitem">

  459. <div class="memproto">

  460. <table class="mlabels">

  461.   <tr>

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

  463.       <table class="memname">

  464.         <tr>

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

  466.           <td>(</td>

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

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

  469.           <td></td>

  470.         </tr>

  471.       </table>

  472.   </td>

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

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

  475.   </tr>

  476. </table>

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

  478. <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>

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

  480.   <table class="params">

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

  482.   </table>

  483.   </dd>

  484. </dl>

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

  486. 

  487. </div>

  488. </div>

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

  490. <div class="memitem">

  491. <div class="memproto">

  492. <table class="mlabels">

  493.   <tr>

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

  495.       <table class="memname">

  496.         <tr>

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

  498.           <td>(</td>

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

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

  501.           <td></td>

  502.         </tr>

  503.       </table>

  504.   </td>

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

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

  507.   </tr>

  508. </table>

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

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

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

  512.   <table class="params">

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

  514.   </table>

  515.   </dd>

  516. </dl>

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

  518. 

  519. </div>

  520. </div>

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

  522. <div class="memitem">

  523. <div class="memproto">

  524.       <table class="memname">

  525.         <tr>

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

  527.           <td>(</td>

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

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

  530.           <td></td>

  531.         </tr>

  532.       </table>

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

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

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

  536.   <table class="params">

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

  538.   </table>

  539.   </dd>

  540. </dl>

  541. <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>

  542. 

  543. </div>

  544. </div>

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

  546. <div class="memitem">

  547. <div class="memproto">

  548.       <table class="memname">

  549.         <tr>

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

  551.           <td>(</td>

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

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

  554.           <td></td>

  555.         </tr>

  556.       </table>

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

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

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

  560.   <table class="params">

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

  562.   </table>

  563.   </dd>

  564. </dl>

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

  566. 

  567. </div>

  568. </div>

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

  570. <div class="memitem">

  571. <div class="memproto">

  572.       <table class="memname">

  573.         <tr>

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

  575.           <td>(</td>

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

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

  578.           <td></td>

  579.         </tr>

  580.       </table>

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

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

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

  584.   <table class="params">

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

  586.   </table>

  587.   </dd>

  588. </dl>

  589. <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>

  590. <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>

  591. 

  592. </div>

  593. </div>

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

  595. <div class="memitem">

  596. <div class="memproto">

  597.       <table class="memname">

  598.         <tr>

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

  600.           <td>(</td>

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

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

  603.           <td></td>

  604.         </tr>

  605.       </table>

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

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

  608.   <table class="params">

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

  610.   </table>

  611.   </dd>

  612. </dl>

  613. <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>

  614. 

  615. </div>

  616. </div>

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

  618. <div class="memitem">

  619. <div class="memproto">

  620.       <table class="memname">

  621.         <tr>

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

  623.           <td>(</td>

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

  625.           <td></td>

  626.         </tr>

  627.       </table>

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

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

  630. <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>

  631. 

  632. </div>

  633. </div>

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

  635. <div class="memitem">

  636. <div class="memproto">

  637.       <table class="memname">

  638.         <tr>

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

  640.           <td>(</td>

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

  642.           <td></td>

  643.         </tr>

  644.       </table>

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

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

  647. 

  648. </div>

  649. </div>

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

  651. <div class="memitem">

  652. <div class="memproto">

  653.       <table class="memname">

  654.         <tr>

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

  656.           <td>(</td>

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

  658.           <td></td>

  659.         </tr>

  660.       </table>

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

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

  663. 

  664. </div>

  665. </div>

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

  667. <div class="memitem">

  668. <div class="memproto">

  669. <table class="mlabels">

  670.   <tr>

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

  672.       <table class="memname">

  673.         <tr>

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

  675.           <td>(</td>

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

  677.           <td> const</td>

  678.         </tr>

  679.       </table>

  680.   </td>

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

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

  683.   </tr>

  684. </table>

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

  686. <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>

  687. 

  688. </div>

  689. </div>

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

  691. <div class="memitem">

  692. <div class="memproto">

  693.       <table class="memname">

  694.         <tr>

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

  696.           <td>(</td>

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

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

  699.         </tr>

  700.         <tr>

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

  702.           <td></td>

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

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

  705.         </tr>

  706.         <tr>

  707.           <td></td>

  708.           <td>)</td>

  709.           <td></td><td></td>

  710.         </tr>

  711.       </table>

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

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

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

  715.   <table class="params">

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

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

  718.   </table>

  719.   </dd>

  720. </dl>

  721. <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>

  722. 

  723. </div>

  724. </div>

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

  726. <div class="memitem">

  727. <div class="memproto">

  728.       <table class="memname">

  729.         <tr>

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

  731.           <td>(</td>

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

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

  734.         </tr>

  735.         <tr>

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

  737.           <td></td>

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

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

  740.         </tr>

  741.         <tr>

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

  743.           <td></td>

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

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

  746.         </tr>

  747.         <tr>

  748.           <td></td>

  749.           <td>)</td>

  750.           <td></td><td></td>

  751.         </tr>

  752.       </table>

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

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

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

  756.   <table class="params">

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

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

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

  760.   </table>

  761.   </dd>

  762. </dl>

  763. <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>

  764. 

  765. </div>

  766. </div>

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

  768. <div class="memitem">

  769. <div class="memproto">

  770.       <table class="memname">

  771.         <tr>

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

  773.           <td>(</td>

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

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

  776.           <td></td>

  777.         </tr>

  778.       </table>

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

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

  781.   <table class="params">

  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="a56d4750a5d2f693943eec985cb61ffe2"></a>

  791. <div class="memitem">

  792. <div class="memproto">

  793.       <table class="memname">

  794.         <tr>

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

  796.           <td>(</td>

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

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

  799.           <td></td>

  800.         </tr>

  801.       </table>

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

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

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

  805.   <table class="params">

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

  807.   </table>

  808.   </dd>

  809. </dl>

  810. <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>

  811. <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>

  812. 

  813. </div>

  814. </div>

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

  816. <div class="memitem">

  817. <div class="memproto">

  818.       <table class="memname">

  819.         <tr>

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

  821.           <td>(</td>

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

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

  824.         </tr>

  825.         <tr>

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

  827.           <td></td>

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

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

  830.         </tr>

  831.         <tr>

  832.           <td></td>

  833.           <td>)</td>

  834.           <td></td><td></td>

  835.         </tr>

  836.       </table>

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

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

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

  840.   <table class="params">

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

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

  843.   </table>

  844.   </dd>

  845. </dl>

  846. <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>

  847. <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>

  848. 

  849. </div>

  850. </div>

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

  852. <div class="memitem">

  853. <div class="memproto">

  854.       <table class="memname">

  855.         <tr>

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

  857.           <td>(</td>

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

  859.           <td></td>

  860.         </tr>

  861.       </table>

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

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

  864. <dl class="section return"><dt>Returns</dt><dd>The value true is returned for success and the value false is returned for failure. </dd></dl>

  865. 

  866. </div>

  867. </div>

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

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

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

  871. </ul>

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

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

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

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

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

  877. </a> 1.8.10

  878. </small></address>

  879. </body>

  880. </html>