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<div class="title">test_i2c_impl.cpp</div>  </div>
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<a href="test__i2c__impl_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;</div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="gtest_8h.html">gtest/gtest.h</a>&gt;</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="i2c__bb_8h.html">utl/com/i2c_bb.h</a>&gt;</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;</div><div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="namespacetest__i2c.html">   29</a></span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacetest__i2c.html">test_i2c</a> {</div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;   <span class="keyword">using namespace </span><a class="code" href="namespaceutl.html">utl</a>;</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;   <span class="comment">// implementer class stub</span></div><div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="classtest__i2c_1_1_i2_c.html">   33</a></span>&#160;   <span class="keyword">class </span><a class="code" href="classtest__i2c_1_1_i2_c.html">I2C</a> : <span class="keyword">public</span> <a class="code" href="classutl_1_1i2c__bb__i.html">i2c_bb_i</a>&lt;I2C&gt; {</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;      <span class="keyword">friend</span> <a class="code" href="classutl_1_1i2c__bb__i.html">i2c_bb_i&lt;I2C&gt;</a>;</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;      <span class="keywordtype">void</span> SCL (<span class="keywordtype">bool</span> x) { (void)x; }      <span class="comment">// imaginary SCL pin functionality</span></div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;      <span class="keywordtype">bool</span> SDA  (<a class="code" href="classutl_1_1i2c__bb__i.html#a4369b434fde250d503bfdc07d5c6a26d">SDAMode</a> mode, <span class="keywordtype">bool</span> x) {</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;         (void)mode;</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;         (void)x;</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;         <span class="comment">// always read 0 back (which means always ACK)</span></div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;         <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;      }</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;      <span class="keywordtype">void</span> delay (uint32_t u) {</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;         (void)u;</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;         <span class="comment">// Pseudo-delay</span></div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;         <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i =0 ; i&lt;10 ; ++i)</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;            ;</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;      }</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;   <span class="keyword">public</span>:</div><div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="classtest__i2c_1_1_i2_c.html#accd54d8b7f168eece3d462194964f967">   50</a></span>&#160;      <a class="code" href="classtest__i2c_1_1_i2_c.html#accd54d8b7f168eece3d462194964f967">I2C</a> (uint32_t clk =100000) noexcept</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;         : <a class="code" href="classutl_1_1i2c__bb__i.html">i2c_bb_i</a>&lt;<a class="code" href="classtest__i2c_1_1_i2_c.html">I2C</a>&gt;(clk) {</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;         start();</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;      }</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;   };</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;</div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="namespacetest__i2c.html#a04c34c5bd7848008eb6803be850b2296">   56</a></span>&#160;   <a class="code" href="namespacetest__i2c.html#a04c34c5bd7848008eb6803be850b2296">TEST</a>(Test_i2c_impl, TestConcept) {</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;      <a class="code" href="classtest__i2c_1_1_i2_c.html">I2C</a> i2c {};</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="comment">//      EXPECT_EQ(I2c_i&lt;I2C&gt;, true);</span></div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;   }</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;</div><div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="namespacetest__i2c.html#a74c8554cb3a4c7bd022cd854feb06688">   61</a></span>&#160;   <a class="code" href="namespacetest__i2c.html#a04c34c5bd7848008eb6803be850b2296">TEST</a>(Test_i2c_impl, TestConstruction) {</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;      <a class="code" href="classtest__i2c_1_1_i2_c.html">I2C</a> i2c {};</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;      <a class="code" href="gtest_8h.html#a4159019abda84f5366acdb7604ff220a">EXPECT_EQ</a>(i2c.clock(), 100000UL);</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">   65</span>&#160;</div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="namespacetest__i2c.html#aee88e63fc24ad87c0987c6f207dd20fa">   66</a></span>&#160;   <a class="code" href="namespacetest__i2c.html#a04c34c5bd7848008eb6803be850b2296">TEST</a>(Test_i2c_impl, TestFunctionality) {</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;      <a class="code" href="classtest__i2c_1_1_i2_c.html">I2C</a> i2c {};</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;      uint8_t b = 42;</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;      i2c.<a class="code" href="classutl_1_1i2c__i.html#aac5fed816701cc4543acd717ec804ac0">clock</a>(200000UL);</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;      <span class="comment">//EXPECT_EQ(i2c.clock(), 200000UL);</span></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;      <a class="code" href="gtest_8h.html#a4159019abda84f5366acdb7604ff220a">EXPECT_EQ</a>(i2c.tx_data(b), <span class="keyword">true</span>);</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;      <a class="code" href="gtest_8h.html#a4159019abda84f5366acdb7604ff220a">EXPECT_EQ</a>(i2c.rx_data(<span class="keyword">true</span>), 0x00);</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;      <a class="code" href="gtest_8h.html#a4159019abda84f5366acdb7604ff220a">EXPECT_EQ</a>(i2c.rx_data(<span class="keyword">false</span>), 0x00);</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;   }</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;}</div><div class="ttc" id="classtest__i2c_1_1_i2_c_html_accd54d8b7f168eece3d462194964f967"><div class="ttname"><a href="classtest__i2c_1_1_i2_c.html#accd54d8b7f168eece3d462194964f967">test_i2c::I2C::I2C</a></div><div class="ttdeci">I2C(uint32_t clk=100000) noexcept</div><div class="ttdef"><b>Definition:</b> <a href="test__i2c__impl_8cpp_source.html#l00050">test_i2c_impl.cpp:50</a></div></div>
<div class="ttc" id="namespacetest__i2c_html"><div class="ttname"><a href="namespacetest__i2c.html">test_i2c</a></div><div class="ttdef"><b>Definition:</b> <a href="test__i2c__impl_8cpp_source.html#l00029">test_i2c_impl.cpp:29</a></div></div>
<div class="ttc" id="namespacetest__i2c_html_a04c34c5bd7848008eb6803be850b2296"><div class="ttname"><a href="namespacetest__i2c.html#a04c34c5bd7848008eb6803be850b2296">test_i2c::TEST</a></div><div class="ttdeci">TEST(Test_i2c_impl, TestConcept)</div><div class="ttdef"><b>Definition:</b> <a href="test__i2c__impl_8cpp_source.html#l00056">test_i2c_impl.cpp:56</a></div></div>
<div class="ttc" id="gtest_8h_html"><div class="ttname"><a href="gtest_8h.html">gtest.h</a></div></div>
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<div class="ttc" id="i2c__bb_8h_html"><div class="ttname"><a href="i2c__bb_8h.html">i2c_bb.h</a></div><div class="ttdoc">A bit banking implementation of i2c bus inherited from i2c_i base class. </div></div>
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<div class="ttc" id="gtest_8h_html_a4159019abda84f5366acdb7604ff220a"><div class="ttname"><a href="gtest_8h.html#a4159019abda84f5366acdb7604ff220a">EXPECT_EQ</a></div><div class="ttdeci">#define EXPECT_EQ(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="gtest_8h_source.html#l16643">gtest.h:16643</a></div></div>
<div class="ttc" id="classutl_1_1i2c__bb__i_html"><div class="ttname"><a href="classutl_1_1i2c__bb__i.html">utl::i2c_bb_i</a></div><div class="ttdoc">A bit banking implementation of i2c bus inherited from i2c_i base class. </div><div class="ttdef"><b>Definition:</b> <a href="i2c__bb_8h_source.html#l00047">i2c_bb.h:47</a></div></div>
<div class="ttc" id="classtest__i2c_1_1_i2_c_html"><div class="ttname"><a href="classtest__i2c_1_1_i2_c.html">test_i2c::I2C</a></div><div class="ttdef"><b>Definition:</b> <a href="test__i2c__impl_8cpp_source.html#l00033">test_i2c_impl.cpp:33</a></div></div>
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