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<div class="title">EEPROM24.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> * Copyright (C) 2012 Southern Storm Software, Pty Ltd.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> * copy of this software and associated documentation files (the &quot;Software&quot;),</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> * to deal in the Software without restriction, including without limitation</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> * the rights to use, copy, modify, merge, publish, distribute, sublicense,</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> * and/or sell copies of the Software, and to permit persons to whom the</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"> * Software is furnished to do so, subject to the following conditions:</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> * The above copyright notice and this permission notice shall be included</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> * in all copies or substantial portions of the Software.</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> * THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND, EXPRESS</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="comment"> * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="comment"> * DEALINGS IN THE SOFTWARE.</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor">#ifndef EEPROM24_h</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define EEPROM24_h</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#include &lt;inttypes.h&gt;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#include &lt;stddef.h&gt;</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="keyword">class </span><a class="code" href="classI2CMaster.html">I2CMaster</a>;</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="comment">// Block select modes.</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="preprocessor">#define EE_BSEL_NONE 0</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define EE_BSEL_8BIT_ADDR 1</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define EE_BSEL_17BIT_ADDR 2</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define EE_BSEL_17BIT_ADDR_ALT 3</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="comment">// Create an EEPROM descriptor from byte size, page size, and block select mode.</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="preprocessor">#define _EE24(byteSize, pageSize, mode) \</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="preprocessor"> (((byteSize) / (pageSize)) | (((unsigned long)(pageSize)) &lt;&lt; 16) | \</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="preprocessor"> (((unsigned long)(mode)) &lt;&lt; 28))</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="comment">// Type descriptors for the 24LCXX range of EEPROM&#39;s.</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="preprocessor">#define EEPROM_24LC00 _EE24(16UL, 1, EE_BSEL_8BIT_ADDR)</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define EEPROM_24LC01 _EE24(128UL, 8, EE_BSEL_8BIT_ADDR)</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define EEPROM_24LC014 _EE24(128UL, 16, EE_BSEL_8BIT_ADDR)</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define EEPROM_24LC02 _EE24(256UL, 8, EE_BSEL_8BIT_ADDR)</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define EEPROM_24LC024 _EE24(256UL, 16, EE_BSEL_8BIT_ADDR)</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define EEPROM_24LC025 _EE24(256UL, 16, EE_BSEL_8BIT_ADDR)</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define EEPROM_24LC04 _EE24(512UL, 16, EE_BSEL_8BIT_ADDR)</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define EEPROM_24LC08 _EE24(1024UL, 16, EE_BSEL_8BIT_ADDR)</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define EEPROM_24LC16 _EE24(2048UL, 16, EE_BSEL_8BIT_ADDR)</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define EEPROM_24LC32 _EE24(4096UL, 32, EE_BSEL_NONE)</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define EEPROM_24LC64 _EE24(8192UL, 32, EE_BSEL_NONE)</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define EEPROM_24LC128 _EE24(16384UL, 32, EE_BSEL_NONE)</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define EEPROM_24LC256 _EE24(32768UL, 64, EE_BSEL_NONE)</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define EEPROM_24LC512 _EE24(65536UL, 128, EE_BSEL_NONE)</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define EEPROM_24LC1025 _EE24(131072UL, 128, EE_BSEL_17BIT_ADDR_ALT)</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define EEPROM_24LC1026 _EE24(131072UL, 128, EE_BSEL_17BIT_ADDR)</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="classEEPROM24.html"> 60</a></span>&#160;<span class="keyword">class </span><a class="code" href="classEEPROM24.html">EEPROM24</a></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;{</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <a class="code" href="classEEPROM24.html#ae8547f6ff7711496e1959ee24a142995">EEPROM24</a>(<a class="code" href="classI2CMaster.html">I2CMaster</a> &amp;bus, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> type, uint8_t bank = 0);</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;</div>
<div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="classEEPROM24.html#aa544875cef9bd05bf71d6c19be06cf7c"> 65</a></span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="classEEPROM24.html#aa544875cef9bd05bf71d6c19be06cf7c">size</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _size; }</div>
<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classEEPROM24.html#af33b23e2614f3966bbaf2554890c032a"> 66</a></span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="classEEPROM24.html#af33b23e2614f3966bbaf2554890c032a">pageSize</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _pageSize; }</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="keywordtype">bool</span> <a class="code" href="classEEPROM24.html#af8b70971d882b06de3fc6644a8ece3cf">available</a>();</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; uint8_t <a class="code" href="classEEPROM24.html#a960971377d4decb122ff38d12603e586">read</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> address);</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="keywordtype">size_t</span> <a class="code" href="classEEPROM24.html#a960971377d4decb122ff38d12603e586">read</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> address, <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> length);</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <span class="keywordtype">bool</span> <a class="code" href="classEEPROM24.html#a9e017772e3459ee4ab987e27d78937f8">write</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> address, uint8_t value);</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="keywordtype">size_t</span> <a class="code" href="classEEPROM24.html#a9e017772e3459ee4ab987e27d78937f8">write</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> address, <span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> length);</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <a class="code" href="classI2CMaster.html">I2CMaster</a> *_bus;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> _size;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> _pageSize;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; uint8_t _mode;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; uint8_t i2cAddress;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="keywordtype">void</span> writeAddress(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> address);</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="keywordtype">bool</span> waitForWrite();</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160;};</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="classEEPROM24_html_aa544875cef9bd05bf71d6c19be06cf7c"><div class="ttname"><a href="classEEPROM24.html#aa544875cef9bd05bf71d6c19be06cf7c">EEPROM24::size</a></div><div class="ttdeci">unsigned long size() const </div><div class="ttdoc">Returns the size of the EEPROM in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="EEPROM24_8h_source.html#l00065">EEPROM24.h:65</a></div></div>
<div class="ttc" id="classEEPROM24_html_a960971377d4decb122ff38d12603e586"><div class="ttname"><a href="classEEPROM24.html#a960971377d4decb122ff38d12603e586">EEPROM24::read</a></div><div class="ttdeci">uint8_t read(unsigned long address)</div><div class="ttdoc">Reads a single byte from the EEPROM at address. </div><div class="ttdef"><b>Definition:</b> <a href="EEPROM24_8cpp_source.html#l00167">EEPROM24.cpp:167</a></div></div>
<div class="ttc" id="classEEPROM24_html"><div class="ttname"><a href="classEEPROM24.html">EEPROM24</a></div><div class="ttdoc">Reading and writing EEPROM&#39;s from the 24LCXX family. </div><div class="ttdef"><b>Definition:</b> <a href="EEPROM24_8h_source.html#l00060">EEPROM24.h:60</a></div></div>
<div class="ttc" id="classEEPROM24_html_ae8547f6ff7711496e1959ee24a142995"><div class="ttname"><a href="classEEPROM24.html#ae8547f6ff7711496e1959ee24a142995">EEPROM24::EEPROM24</a></div><div class="ttdeci">EEPROM24(I2CMaster &amp;bus, unsigned long type, uint8_t bank=0)</div><div class="ttdoc">Constructs a new EEPROM access object on bus for an EEPROM of the specified type. ...</div><div class="ttdef"><b>Definition:</b> <a href="EEPROM24_8cpp_source.html#l00095">EEPROM24.cpp:95</a></div></div>
<div class="ttc" id="classEEPROM24_html_a9e017772e3459ee4ab987e27d78937f8"><div class="ttname"><a href="classEEPROM24.html#a9e017772e3459ee4ab987e27d78937f8">EEPROM24::write</a></div><div class="ttdeci">bool write(unsigned long address, uint8_t value)</div><div class="ttdoc">Writes a byte value to address in the EEPROM. </div><div class="ttdef"><b>Definition:</b> <a href="EEPROM24_8cpp_source.html#l00213">EEPROM24.cpp:213</a></div></div>
<div class="ttc" id="classEEPROM24_html_af33b23e2614f3966bbaf2554890c032a"><div class="ttname"><a href="classEEPROM24.html#af33b23e2614f3966bbaf2554890c032a">EEPROM24::pageSize</a></div><div class="ttdeci">unsigned long pageSize() const </div><div class="ttdoc">Returns the size of a single EEPROM page in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="EEPROM24_8h_source.html#l00066">EEPROM24.h:66</a></div></div>
<div class="ttc" id="classI2CMaster_html"><div class="ttname"><a href="classI2CMaster.html">I2CMaster</a></div><div class="ttdoc">Abstract base class for I2C master implementations. </div><div class="ttdef"><b>Definition:</b> <a href="I2CMaster_8h_source.html#l00028">I2CMaster.h:28</a></div></div>
<div class="ttc" id="classEEPROM24_html_af8b70971d882b06de3fc6644a8ece3cf"><div class="ttname"><a href="classEEPROM24.html#af8b70971d882b06de3fc6644a8ece3cf">EEPROM24::available</a></div><div class="ttdeci">bool available()</div><div class="ttdoc">Returns true if the EEPROM is available on the I2C bus; false otherwise. </div><div class="ttdef"><b>Definition:</b> <a href="EEPROM24_8cpp_source.html#l00152">EEPROM24.cpp:152</a></div></div>
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