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<a href="i2c__mux_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#ifndef I2C_MUX_H_</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#define I2C_MUX_H_</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <Wire.h></span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div><div class="line"><a name="l00015"></a><span class="lineno"><a class="line" href="i2c__mux_8h.html#a8b7500a141450a9df212017430c0df9e"> 15</a></span> <span class="preprocessor">#define I2C_FREQ 100000</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">/**************************************************************************/</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">/**************************************************************************/</span></div><div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="classi2c__mux.html"> 28</a></span> <span class="keyword">class </span><a class="code" href="classi2c__mux.html">i2c_mux</a> {</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="classi2c__mux.html#aacb992d29412ed15eb0b8b1983dcf976"> 31</a></span>  <a class="code" href="classi2c__mux.html#aacb992d29412ed15eb0b8b1983dcf976">i2c_mux</a>(uint8_t <span class="keywordtype">id</span>, uint8_t ch0, uint8_t ch1) {</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <a class="code" href="classi2c__mux.html#ad56c7d14d6638caa0bccce4d609256c6">_id</a> = id;</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <a class="code" href="classi2c__mux.html#acca9a43816973b7471017cbc1d6fd70a">_ch0</a> = ch0;</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <a class="code" href="classi2c__mux.html#a3aa95a560e46d8a078ca2fd2eeb4dab4">_ch1</a> = ch1;</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  }</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="comment">/**************************************************************************/</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="comment">/**************************************************************************/</span></div><div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="classi2c__mux.html#a297c753f7c9fd03b7a6be09a7d3bd87a"> 42</a></span>  <span class="keywordtype">void</span> <a class="code" href="classi2c__mux.html#a297c753f7c9fd03b7a6be09a7d3bd87a">init</a>() {</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  Wire.begin();</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  Wire.setClock(<a class="code" href="i2c__mux_8h.html#a8b7500a141450a9df212017430c0df9e">I2C_FREQ</a>);</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  }</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="comment">/**************************************************************************/</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="comment">/**************************************************************************/</span></div><div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="classi2c__mux.html#af4a7327c09d2f0ea8ee5a5797871e876"> 54</a></span>  <span class="keywordtype">void</span> <a class="code" href="classi2c__mux.html#af4a7327c09d2f0ea8ee5a5797871e876">set_channel</a>(uint8_t ch) {</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordflow">if</span> (ch == <a class="code" href="classi2c__mux.html#acca9a43816973b7471017cbc1d6fd70a">_ch0</a>) {</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  Wire.beginTransmission(<a class="code" href="classi2c__mux.html#ad56c7d14d6638caa0bccce4d609256c6">_id</a>);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  Wire.write(<a class="code" href="classi2c__mux.html#acca9a43816973b7471017cbc1d6fd70a">_ch0</a>);</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  Wire.endTransmission();</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (ch == <a class="code" href="classi2c__mux.html#a3aa95a560e46d8a078ca2fd2eeb4dab4">_ch1</a>) {</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  Wire.beginTransmission(<a class="code" href="classi2c__mux.html#ad56c7d14d6638caa0bccce4d609256c6">_id</a>);</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  Wire.write(<a class="code" href="classi2c__mux.html#a3aa95a560e46d8a078ca2fd2eeb4dab4">_ch1</a>);</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  Wire.endTransmission();</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  }</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  }</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="classi2c__mux.html#ad56c7d14d6638caa0bccce4d609256c6"> 67</a></span>  uint8_t <a class="code" href="classi2c__mux.html#ad56c7d14d6638caa0bccce4d609256c6">_id</a>, <a class="code" href="classi2c__mux.html#acca9a43816973b7471017cbc1d6fd70a">_ch0</a>, <a class="code" href="classi2c__mux.html#a3aa95a560e46d8a078ca2fd2eeb4dab4">_ch1</a>;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> };</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor">#endif </span><span class="comment">/* I2C_MUX_H_ */</span><span class="preprocessor"></span></div><div class="ttc" id="i2c__mux_8h_html_a8b7500a141450a9df212017430c0df9e"><div class="ttname"><a href="i2c__mux_8h.html#a8b7500a141450a9df212017430c0df9e">I2C_FREQ</a></div><div class="ttdeci">#define I2C_FREQ</div><div class="ttdef"><b>Definition:</b> <a href="i2c__mux_8h_source.html#l00015">i2c_mux.h:15</a></div></div>
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<div class="ttc" id="classi2c__mux_html_ad56c7d14d6638caa0bccce4d609256c6"><div class="ttname"><a href="classi2c__mux.html#ad56c7d14d6638caa0bccce4d609256c6">i2c_mux::_id</a></div><div class="ttdeci">uint8_t _id</div><div class="ttdef"><b>Definition:</b> <a href="i2c__mux_8h_source.html#l00067">i2c_mux.h:67</a></div></div>
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<div class="ttc" id="classi2c__mux_html_aacb992d29412ed15eb0b8b1983dcf976"><div class="ttname"><a href="classi2c__mux.html#aacb992d29412ed15eb0b8b1983dcf976">i2c_mux::i2c_mux</a></div><div class="ttdeci">i2c_mux(uint8_t id, uint8_t ch0, uint8_t ch1)</div><div class="ttdef"><b>Definition:</b> <a href="i2c__mux_8h_source.html#l00031">i2c_mux.h:31</a></div></div>
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<div class="ttc" id="classi2c__mux_html_af4a7327c09d2f0ea8ee5a5797871e876"><div class="ttname"><a href="classi2c__mux.html#af4a7327c09d2f0ea8ee5a5797871e876">i2c_mux::set_channel</a></div><div class="ttdeci">void set_channel(uint8_t ch)</div><div class="ttdoc">Change the channel. </div><div class="ttdef"><b>Definition:</b> <a href="i2c__mux_8h_source.html#l00054">i2c_mux.h:54</a></div></div>
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<div class="ttc" id="classi2c__mux_html"><div class="ttname"><a href="classi2c__mux.html">i2c_mux</a></div><div class="ttdoc">Class that functions for interacting with I2C 1-of-2 multiplexer. </div><div class="ttdef"><b>Definition:</b> <a href="i2c__mux_8h_source.html#l00028">i2c_mux.h:28</a></div></div>
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<div class="ttc" id="classi2c__mux_html_a3aa95a560e46d8a078ca2fd2eeb4dab4"><div class="ttname"><a href="classi2c__mux.html#a3aa95a560e46d8a078ca2fd2eeb4dab4">i2c_mux::_ch1</a></div><div class="ttdeci">uint8_t _ch1</div><div class="ttdef"><b>Definition:</b> <a href="i2c__mux_8h_source.html#l00067">i2c_mux.h:67</a></div></div>
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<div class="ttc" id="classi2c__mux_html_acca9a43816973b7471017cbc1d6fd70a"><div class="ttname"><a href="classi2c__mux.html#acca9a43816973b7471017cbc1d6fd70a">i2c_mux::_ch0</a></div><div class="ttdeci">uint8_t _ch0</div><div class="ttdef"><b>Definition:</b> <a href="i2c__mux_8h_source.html#l00067">i2c_mux.h:67</a></div></div>
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<div class="ttc" id="classi2c__mux_html_a297c753f7c9fd03b7a6be09a7d3bd87a"><div class="ttname"><a href="classi2c__mux.html#a297c753f7c9fd03b7a6be09a7d3bd87a">i2c_mux::init</a></div><div class="ttdeci">void init()</div><div class="ttdoc">Initialize the I2C bus. </div><div class="ttdef"><b>Definition:</b> <a href="i2c__mux_8h_source.html#l00042">i2c_mux.h:42</a></div></div>
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