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  8. <title>SdFat: SdFile Class Reference</title>
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  24. <div id="projectname">SdFat
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  61. <div class="header">
  62. <div class="summary">
  63. <a href="#pub-methods">Public Member Functions</a> &#124;
  64. <a href="#pub-static-methods">Static Public Member Functions</a> &#124;
  65. <a href="class_sd_file-members.html">List of all members</a> </div>
  66. <div class="headertitle">
  67. <div class="title">SdFile Class Reference</div> </div>
  68. </div><!--header-->
  69. <div class="contents">
  70. <p>FAT16/FAT32 file with Print.
  71. <a href="class_sd_file.html#details">More...</a></p>
  72. <p><code>#include &lt;SdFat.h&gt;</code></p>
  73. <div class="dynheader">
  74. Inheritance diagram for SdFile:</div>
  75. <div class="dyncontent">
  76. <div class="center"><img src="class_sd_file__inherit__graph.png" border="0" usemap="#_sd_file_inherit__map" alt="Inheritance graph"/></div>
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  78. <area shape="rect" id="node2" href="class_print_file.html" title="PrintFile\&lt; SdBaseFile \&gt;" alt="" coords="5,80,167,107"/>
  79. </map>
  80. <center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
  81. <div class="dynheader">
  82. Collaboration diagram for SdFile:</div>
  83. <div class="dyncontent">
  84. <div class="center"><img src="class_sd_file__coll__graph.png" border="0" usemap="#_sd_file_coll__map" alt="Collaboration graph"/></div>
  85. <map name="_sd_file_coll__map" id="_sd_file_coll__map">
  86. <area shape="rect" id="node2" href="class_print_file.html" title="PrintFile\&lt; SdBaseFile \&gt;" alt="" coords="5,80,167,107"/>
  87. </map>
  88. <center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
  89. <table class="memberdecls">
  90. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
  91. Public Member Functions</h2></td></tr>
  92. <tr class="memitem:ad05be3a1fb635448d15a154424b6c33f"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_file.html#ad05be3a1fb635448d15a154424b6c33f">SdFile</a> (const char *path, oflag_t oflag)</td></tr>
  93. <tr class="separator:ad05be3a1fb635448d15a154424b6c33f"><td class="memSeparator" colspan="2">&#160;</td></tr>
  94. <tr class="memitem:a52f78f160083b416d66e23c680e0577d"><td class="memItemLeft" align="right" valign="top">size_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_print_file.html#a52f78f160083b416d66e23c680e0577d">write</a> (uint8_t b)</td></tr>
  95. <tr class="separator:a52f78f160083b416d66e23c680e0577d"><td class="memSeparator" colspan="2">&#160;</td></tr>
  96. </table><table class="memberdecls">
  97. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
  98. Static Public Member Functions</h2></td></tr>
  99. <tr class="memitem:a2d78e6a8cedbf8ce545af68457b43bf1"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_file.html#a2d78e6a8cedbf8ce545af68457b43bf1">dateTimeCallback</a> (void(*dateTime)(uint16_t *date, uint16_t *time))</td></tr>
  100. <tr class="separator:a2d78e6a8cedbf8ce545af68457b43bf1"><td class="memSeparator" colspan="2">&#160;</td></tr>
  101. <tr class="memitem:ad266770d0a779d1a528a3997aee5142d"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_sd_file.html#ad266770d0a779d1a528a3997aee5142d">dateTimeCallbackCancel</a> ()</td></tr>
  102. <tr class="separator:ad266770d0a779d1a528a3997aee5142d"><td class="memSeparator" colspan="2">&#160;</td></tr>
  103. </table>
  104. <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
  105. <div class="textblock"><p>FAT16/FAT32 file with Print. </p>
  106. </div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
  107. <a id="ad05be3a1fb635448d15a154424b6c33f"></a>
  108. <h2 class="memtitle"><span class="permalink"><a href="#ad05be3a1fb635448d15a154424b6c33f">&#9670;&nbsp;</a></span>SdFile()</h2>
  109. <div class="memitem">
  110. <div class="memproto">
  111. <table class="mlabels">
  112. <tr>
  113. <td class="mlabels-left">
  114. <table class="memname">
  115. <tr>
  116. <td class="memname">SdFile::SdFile </td>
  117. <td>(</td>
  118. <td class="paramtype">const char *&#160;</td>
  119. <td class="paramname"><em>path</em>, </td>
  120. </tr>
  121. <tr>
  122. <td class="paramkey"></td>
  123. <td></td>
  124. <td class="paramtype">oflag_t&#160;</td>
  125. <td class="paramname"><em>oflag</em>&#160;</td>
  126. </tr>
  127. <tr>
  128. <td></td>
  129. <td>)</td>
  130. <td></td><td></td>
  131. </tr>
  132. </table>
  133. </td>
  134. <td class="mlabels-right">
  135. <span class="mlabels"><span class="mlabel">inline</span></span> </td>
  136. </tr>
  137. </table>
  138. </div><div class="memdoc">
  139. <p>Create an open <a class="el" href="class_sd_file.html" title="FAT16/FAT32 file with Print. ">SdFile</a>. </p><dl class="params"><dt>Parameters</dt><dd>
  140. <table class="params">
  141. <tr><td class="paramdir">[in]</td><td class="paramname">path</td><td>path for file. </td></tr>
  142. <tr><td class="paramdir">[in]</td><td class="paramname">oflag</td><td>open flags. </td></tr>
  143. </table>
  144. </dd>
  145. </dl>
  146. </div>
  147. </div>
  148. <h2 class="groupheader">Member Function Documentation</h2>
  149. <a id="a2d78e6a8cedbf8ce545af68457b43bf1"></a>
  150. <h2 class="memtitle"><span class="permalink"><a href="#a2d78e6a8cedbf8ce545af68457b43bf1">&#9670;&nbsp;</a></span>dateTimeCallback()</h2>
  151. <div class="memitem">
  152. <div class="memproto">
  153. <table class="mlabels">
  154. <tr>
  155. <td class="mlabels-left">
  156. <table class="memname">
  157. <tr>
  158. <td class="memname">static void SdFile::dateTimeCallback </td>
  159. <td>(</td>
  160. <td class="paramtype">void(*)(uint16_t *date, uint16_t *time)&#160;</td>
  161. <td class="paramname"><em>dateTime</em></td><td>)</td>
  162. <td></td>
  163. </tr>
  164. </table>
  165. </td>
  166. <td class="mlabels-right">
  167. <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span> </td>
  168. </tr>
  169. </table>
  170. </div><div class="memdoc">
  171. <p>Set the date/time callback function</p>
  172. <dl class="params"><dt>Parameters</dt><dd>
  173. <table class="params">
  174. <tr><td class="paramdir">[in]</td><td class="paramname">dateTime</td><td>The user's call back function. The callback function is of the form:</td></tr>
  175. </table>
  176. </dd>
  177. </dl>
  178. <div class="fragment"><div class="line"><span class="keywordtype">void</span> dateTime(uint16_t* date, uint16_t* time) {</div><div class="line"> uint16_t year;</div><div class="line"> uint8_t month, day, hour, minute, second;</div><div class="line"></div><div class="line"> <span class="comment">// User gets date and time from GPS or real-time clock here</span></div><div class="line"></div><div class="line"> <span class="comment">// return date using FAT_DATE macro to format fields</span></div><div class="line"> *date = FAT_DATE(year, month, day);</div><div class="line"></div><div class="line"> <span class="comment">// return time using FAT_TIME macro to format fields</span></div><div class="line"> *time = FAT_TIME(hour, minute, second);</div><div class="line">}</div></div><!-- fragment --><p>Sets the function that is called when a file is created or when a file's directory entry is modified by sync(). All timestamps, access, creation, and modify, are set when a file is created. sync() maintains the last access date and last modify date/time. </p>
  179. </div>
  180. </div>
  181. <a id="ad266770d0a779d1a528a3997aee5142d"></a>
  182. <h2 class="memtitle"><span class="permalink"><a href="#ad266770d0a779d1a528a3997aee5142d">&#9670;&nbsp;</a></span>dateTimeCallbackCancel()</h2>
  183. <div class="memitem">
  184. <div class="memproto">
  185. <table class="mlabels">
  186. <tr>
  187. <td class="mlabels-left">
  188. <table class="memname">
  189. <tr>
  190. <td class="memname">static void SdFile::dateTimeCallbackCancel </td>
  191. <td>(</td>
  192. <td class="paramname"></td><td>)</td>
  193. <td></td>
  194. </tr>
  195. </table>
  196. </td>
  197. <td class="mlabels-right">
  198. <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span> </td>
  199. </tr>
  200. </table>
  201. </div><div class="memdoc">
  202. <p>Cancel the date/time callback function. </p>
  203. </div>
  204. </div>
  205. <a id="a52f78f160083b416d66e23c680e0577d"></a>
  206. <h2 class="memtitle"><span class="permalink"><a href="#a52f78f160083b416d66e23c680e0577d">&#9670;&nbsp;</a></span>write()</h2>
  207. <div class="memitem">
  208. <div class="memproto">
  209. <table class="mlabels">
  210. <tr>
  211. <td class="mlabels-left">
  212. <table class="memname">
  213. <tr>
  214. <td class="memname">size_t <a class="el" href="class_print_file.html">PrintFile</a>&lt; SdBaseFile &gt;::write </td>
  215. <td>(</td>
  216. <td class="paramtype">uint8_t&#160;</td>
  217. <td class="paramname"><em>b</em></td><td>)</td>
  218. <td></td>
  219. </tr>
  220. </table>
  221. </td>
  222. <td class="mlabels-right">
  223. <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">inherited</span></span> </td>
  224. </tr>
  225. </table>
  226. </div><div class="memdoc">
  227. <p>Write a single byte. </p><dl class="params"><dt>Parameters</dt><dd>
  228. <table class="params">
  229. <tr><td class="paramdir">[in]</td><td class="paramname">b</td><td>byte to write. </td></tr>
  230. </table>
  231. </dd>
  232. </dl>
  233. <dl class="section return"><dt>Returns</dt><dd>one for success. </dd></dl>
  234. </div>
  235. </div>
  236. <hr/>The documentation for this class was generated from the following file:<ul>
  237. <li>ArduinoSdFat/libraries/SdFat/src/<a class="el" href="_sd_fat_8h.html">SdFat.h</a></li>
  238. </ul>
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