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Micro template library A library for building device drivers
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  93. <a href="spi__bb_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>&#160;</div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#ifndef __utl_com_spi_bb_h__</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">#define __utl_com_spi_bb_h__</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;</div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="impl_8h.html">utl/core/impl.h</a>&gt;</span></div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="crtp_8h.html">utl/core/crtp.h</a>&gt;</span></div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="spi_8h.html">utl/com/spi.h</a>&gt;</span></div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="meta_8h.html">utl/meta/meta.h</a>&gt;</span></div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;</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="keyword">namespace </span><a class="code" href="namespaceutl.html">utl</a> {</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">typename</span> impl_t,</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;             <a class="code" href="namespaceutl_1_1spi.html#a89e3e1af5df0b6c37239f7e336969f8a">spi::cpol</a> CPOL,</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;             <a class="code" href="namespaceutl_1_1spi.html#aa49fe33d495226891cef0a870cba59df">spi::cpha</a> CPHA,</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;             <a class="code" href="namespaceutl_1_1spi.html#aed6b713381c193c598572ebac0b284cc">spi::bitOrder</a> BitOrder =<a class="code" href="namespaceutl_1_1spi.html#aed6b713381c193c598572ebac0b284cca47bde70fdcc82c8363d16c7137641b79">spi::bitOrder::MSB_First</a>&gt;</div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i.html">   56</a></span>&#160;   <span class="keyword">class </span><a class="code" href="classutl_1_1spi__bb__i.html">spi_bb_i</a> : <span class="keyword">public</span> <a class="code" href="classutl_1_1spi__i.html">spi_i</a>&lt;spi_bb_i&lt;impl_t, CPOL, CPHA, BitOrder&gt;&gt; {</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;      <a class="code" href="classutl_1_1spi__bb__i.html#a33b6ef2f4c26b16ee4e28425ab20e852">_CRTP_IMPL</a>(impl_t);  </div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i.html#aa82efc45adc590f33164edacc1783c20">   58</a></span>&#160;      <span class="keyword">friend</span> <a class="code" href="classutl_1_1spi__i.html">spi_i&lt;spi_bb_i&lt;impl_t, CPOL, CPHA, BitOrder&gt;</a>&gt;;</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;   <span class="keyword">public</span>:</div><div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i.html#a86ccf004bf5ccc8b7c73bd0f9e8dbaa7">   60</a></span>&#160;      <span class="keyword">using</span> <a class="code" href="classutl_1_1spi__bb__i.html">type</a> = <a class="code" href="classutl_1_1spi__bb__i.html">spi_bb_i&lt;impl_t, CPOL, CPHA, BitOrder&gt;</a>; </div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;   <span class="keyword">protected</span>:</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;      <a class="code" href="classutl_1_1spi__bb__i.html#aeac57567cb7db5ebb73bdd8e1f00cb82">~spi_bb_i</a> () = <span class="keywordflow">default</span>; </div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;      <a class="code" href="classutl_1_1spi__bb__i.html#a49a61ba9a8e140e45d73e1f634061c6a">spi_bb_i</a> (uint32_t clk) noexcept</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;         : <a class="code" href="classutl_1_1spi__bb__i.html#a863bf592b1df8f74bcc3b8d76f40c173">nsec_</a> {1000000000/(2*clk)} {</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;      }</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;   <span class="keyword">private</span>:</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;      <span class="keyword">template</span> &lt;spi::bitOrder B =BitOrder&gt; constexpr</div><div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i.html#a0d017c3bc5c583ad802027914e492b3a">   78</a></span>&#160;      <a class="code" href="namespaceutl_1_1meta.html#a372fe391d9567f66a81091f581e1fa01">meta::enable_if_t &lt;(B == spi::bitOrder::LSB_First), void&gt;</a> <a class="code" href="classutl_1_1spi__bb__i.html#a0d017c3bc5c583ad802027914e492b3a">shift</a> (<a class="code" href="namespaceutl.html#a1427cb5a2b13313147a902173b91e3c1">byte_t</a>&amp; b) { b &lt;&lt;=1; }</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;      <span class="keyword">template</span> &lt;spi::bitOrder B =BitOrder&gt; constexpr</div><div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i.html#a93d43e3fa8e2112757281e0c20070eb4">   80</a></span>&#160;      <a class="code" href="namespaceutl_1_1meta.html#a372fe391d9567f66a81091f581e1fa01">meta::enable_if_t &lt;(B == spi::bitOrder::MSB_First), void&gt;</a> <a class="code" href="classutl_1_1spi__bb__i.html#a93d43e3fa8e2112757281e0c20070eb4">shift</a> (<a class="code" href="namespaceutl.html#a1427cb5a2b13313147a902173b91e3c1">byte_t</a>&amp; b) { b &gt;&gt;=1; }</div><div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i.html#a8fa5b901ced4ce734409ab4c20a1c1d2">   81</a></span>&#160;      <span class="keyword">template</span> &lt;spi::cpol C =CPOL&gt; <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> <a class="code" href="classutl_1_1spi__bb__i.html#a8fa5b901ced4ce734409ab4c20a1c1d2">clkHigh</a> () {</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;         <span class="keywordflow">return</span> !<span class="keyword">static_cast&lt;</span><span class="keywordtype">bool</span><span class="keyword">&gt;</span>(C);</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;      }</div><div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i.html#ae0a17d5879099f6ac92eee4dee59ab0f">   84</a></span>&#160;      <span class="keyword">template</span> &lt;spi::cpol C =CPOL&gt; <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> <a class="code" href="classutl_1_1spi__bb__i.html#ae0a17d5879099f6ac92eee4dee59ab0f">clkLow</a> () {</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;         <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span><span class="keywordtype">bool</span><span class="keyword">&gt;</span>(C);</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"><a class="line" href="classutl_1_1spi__bb__i.html#a3a9b68907304114573bc7321006fa539">   87</a></span>&#160;      <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> <a class="code" href="classutl_1_1spi__bb__i.html#a3a9b68907304114573bc7321006fa539">clkH_</a> {<a class="code" href="classutl_1_1spi__bb__i.html#a8fa5b901ced4ce734409ab4c20a1c1d2">clkHigh</a>()};</div><div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i.html#a509a5828018f62e2627af67e8c6a32d5">   88</a></span>&#160;      <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> <a class="code" href="classutl_1_1spi__bb__i.html#a509a5828018f62e2627af67e8c6a32d5">clkL_</a> {<a class="code" href="classutl_1_1spi__bb__i.html#ae0a17d5879099f6ac92eee4dee59ab0f">clkLow</a>()};</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;   <span class="keyword">private</span>:</div><div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i.html#a3051a59aaeb5b176a175b352cf5f578e">   99</a></span>&#160;      <span class="keywordtype">void</span> <a class="code" href="classutl_1_1spi__bb__i.html#a3051a59aaeb5b176a175b352cf5f578e">MOSI</a> (<span class="keywordtype">bool</span> st)  { impl().MOSI(st); }       </div><div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i.html#a9a7b908a8976f6efed9dd6e2b294415b">  100</a></span>&#160; 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  <span class="keyword">private</span>:</div><div class="line"><a name="l00111"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i.html#a4338d3dc65ebe3aff1ec08d0413b3440">  111</a></span>&#160;      uint32_t <a class="code" href="classutl_1_1spi__bb__i.html#a4338d3dc65ebe3aff1ec08d0413b3440">_clock</a> ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> 1000000000/(2*<a class="code" href="classutl_1_1spi__bb__i.html#a863bf592b1df8f74bcc3b8d76f40c173">nsec_</a>); }</div><div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i.html#a90960d777886658afd42243743b3f61a">  112</a></span>&#160;      <span class="keywordtype">void</span> <a class="code" href="classutl_1_1spi__bb__i.html#a90960d777886658afd42243743b3f61a">_clock</a> (uint32_t c) { <a class="code" href="classutl_1_1spi__bb__i.html#a863bf592b1df8f74bcc3b8d76f40c173">nsec_</a> = 1000000000/(2*c); }</div><div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i.html#a7431ab56033d58e34ee847d825c99658">  113</a></span>&#160;      <a class="code" href="namespaceutl.html#a1427cb5a2b13313147a902173b91e3c1">byte_t</a> <a class="code" href="classutl_1_1spi__bb__i.html#a7431ab56033d58e34ee847d825c99658">_tx_data</a> (<a class="code" href="namespaceutl.html#a1427cb5a2b13313147a902173b91e3c1">byte_t</a> out) { <span class="keywordflow">return</span> <a class="code" href="classutl_1_1spi__bb__i.html#a9010a066edb4cfa4c549174c87eaf368">_tx_data_impl</a> (out); }</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;      <span class="keyword">template</span> &lt;spi::cpha C =CPHA&gt;</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;      <a class="code" href="namespaceutl_1_1meta.html#a372fe391d9567f66a81091f581e1fa01">meta::enable_if_t &lt;(C == spi::cpha::LOW), byte_t&gt;</a> <a class="code" href="classutl_1_1spi__bb__i.html#a9010a066edb4cfa4c549174c87eaf368">_tx_data_impl</a> (<a class="code" href="namespaceutl.html#a1427cb5a2b13313147a902173b91e3c1">byte_t</a> out);</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;      <span class="keyword">template</span> &lt;spi::cpha C =CPHA&gt;</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;      <a class="code" href="namespaceutl_1_1meta.html#a372fe391d9567f66a81091f581e1fa01">meta::enable_if_t &lt;(C == spi::cpha::HIGH), byte_t&gt;</a> <a class="code" href="classutl_1_1spi__bb__i.html#a9010a066edb4cfa4c549174c87eaf368">_tx_data_impl</a> (<a class="code" href="namespaceutl.html#a1427cb5a2b13313147a902173b91e3c1">byte_t</a> out);</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;   <span class="keyword">private</span>:</div><div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i.html#a863bf592b1df8f74bcc3b8d76f40c173">  124</a></span>&#160;      uint32_t <a class="code" href="classutl_1_1spi__bb__i.html#a863bf592b1df8f74bcc3b8d76f40c173">nsec_</a>;      </div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;   };</div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">typename</span> impl_t, spi::cpol CPOL, spi::cpha CPHA, spi::bitOrder BitOrder&gt;</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;   <span class="keyword">template</span> &lt;spi::cpha C&gt;</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;      <a class="code" href="namespaceutl_1_1meta.html#a372fe391d9567f66a81091f581e1fa01">meta::enable_if_t &lt;(C == spi::cpha::LOW), byte_t&gt;</a></div><div class="line"><a name="l00138"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i.html#a9010a066edb4cfa4c549174c87eaf368">  138</a></span>&#160;      <a class="code" href="classutl_1_1spi__bb__i.html#a9010a066edb4cfa4c549174c87eaf368">spi_bb_i&lt;impl_t, CPOL, CPHA, BitOrder&gt;::_tx_data_impl</a> (<a class="code" href="namespaceutl.html#a1427cb5a2b13313147a902173b91e3c1">byte_t</a> out) {</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;         <a class="code" href="namespaceutl.html#a1427cb5a2b13313147a902173b91e3c1">byte_t</a> in {};</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;         SCLK (clkL_);</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;         <span class="keywordflow">for</span> (uint8_t bit {<span class="keyword">static_cast&lt;</span>uint8_t<span class="keyword">&gt;</span>(BitOrder)} ; bit ; shift (bit)) {</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;            MOSI (out &amp; bit);    <span class="comment">// Out at preceding clock trailing edge</span></div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;            delay (nsec_);       <span class="comment">// Half cycle delay</span></div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;            SCLK (clkH_);        <span class="comment">// Leading edge</span></div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;            in |= (MISO ()) ? bit : 0; <span class="comment">// In at leading clock edge</span></div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;            delay (nsec_);       <span class="comment">// Half cycle delay</span></div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;            SCLK (clkL_);        <span class="comment">// Trailing edge</span></div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;         }</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;         <span class="keywordflow">return</span> in;</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;      }</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;</div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;   <span class="keyword">template</span> &lt;<span class="keyword">typename</span> impl_t, spi::cpol CPOL, spi::cpha CPHA, spi::bitOrder BitOrder&gt;</div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;   <span class="keyword">template</span> &lt;spi::cpha C&gt;</div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;      <a class="code" href="namespaceutl_1_1meta.html#a372fe391d9567f66a81091f581e1fa01">meta::enable_if_t &lt;(C == spi::cpha::HIGH), byte_t&gt;</a></div><div class="line"><a name="l00162"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i.html#a8e00f788f8ef1a31dfd3b1ca130aa16d">  162</a></span>&#160;      <a class="code" href="classutl_1_1spi__bb__i.html#a9010a066edb4cfa4c549174c87eaf368">spi_bb_i&lt;impl_t, CPOL, CPHA, BitOrder&gt;::_tx_data_impl</a> (<a class="code" href="namespaceutl.html#a1427cb5a2b13313147a902173b91e3c1">byte_t</a> out) {</div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;         <a class="code" href="namespaceutl.html#a1427cb5a2b13313147a902173b91e3c1">byte_t</a> in {};</div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;         SCLK (clkL_);</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;         <span class="keywordflow">for</span> (uint8_t bit {<span class="keyword">static_cast&lt;</span>uint8_t<span class="keyword">&gt;</span>(BitOrder)} ; bit ; shift (bit)) {</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;            delay (nsec_);       <span class="comment">// Half cycle delay</span></div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;            SCLK (clkH_);        <span class="comment">// Leading edge</span></div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;            MOSI (out &amp; bit);    <span class="comment">// Out at leading clock edge</span></div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;            delay (nsec_);       <span class="comment">// Half cycle delay</span></div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;            SCLK (clkL_);        <span class="comment">// Trailing edge</span></div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;            in |= (MISO ()) ? bit : 0; <span class="comment">// In at trailing clock edge</span></div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;         }</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;         <span class="keywordflow">return</span> in;</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;      }</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;</div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;   <span class="keyword">template</span> &lt;<a class="code" href="namespaceutl_1_1spi.html#a89e3e1af5df0b6c37239f7e336969f8a">spi::cpol</a> CPOL,</div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;             <a class="code" href="namespaceutl_1_1spi.html#aa49fe33d495226891cef0a870cba59df">spi::cpha</a> CPHA,</div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;             <a class="code" href="namespaceutl_1_1spi.html#aed6b713381c193c598572ebac0b284cc">spi::bitOrder</a> BitOrder&gt;</div><div class="line"><a name="l00190"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html">  190</a></span>&#160;   <span class="keyword">class </span><a class="code" href="classutl_1_1spi__bb__i.html">spi_bb_i</a> &lt;<a class="code" href="structutl_1_1virtual__tag.html">virtual_tag</a>, CPOL, CPHA, BitOrder&gt; : <span class="keyword">public</span> <a class="code" href="classutl_1_1spi__i.html">spi_i</a>&lt;virtual_tag&gt; {</div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;   <span class="keyword">public</span>:</div><div class="line"><a name="l00192"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#a8318081f8e7803101bddb893afe8fc6a">  192</a></span>&#160;      <span class="keyword">using</span> <a class="code" href="classutl_1_1spi__i_3_01virtual__tag_01_4.html">type</a> = <a class="code" href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html">spi_bb_i&lt;virtual_tag, CPOL, CPHA, BitOrder&gt;</a>; </div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;</div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;   <span class="keyword">protected</span>:</div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;      <a class="code" href="classutl_1_1spi__bb__i.html#aeac57567cb7db5ebb73bdd8e1f00cb82">~spi_bb_i</a> () = <span class="keywordflow">default</span>; </div><div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;      <a class="code" href="classutl_1_1spi__bb__i.html#a49a61ba9a8e140e45d73e1f634061c6a">spi_bb_i</a> (uint32_t clk) noexcept</div><div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;         : <a class="code" href="classutl_1_1spi__bb__i.html#a863bf592b1df8f74bcc3b8d76f40c173">nsec_</a> {1000000000/(2*clk)} {</div><div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;      }</div><div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;</div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;   <span class="keyword">private</span>:</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;      <span class="keyword">template</span> &lt;spi::bitOrder B =BitOrder&gt; constexpr</div><div class="line"><a name="l00210"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#ab7b8568f6383ca83cc3b9c7a4bf14102">  210</a></span>&#160;      <a class="code" href="namespaceutl_1_1meta.html#a372fe391d9567f66a81091f581e1fa01">meta::enable_if_t &lt;(B == spi::bitOrder::LSB_First), void&gt;</a> <a class="code" href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#ab7b8568f6383ca83cc3b9c7a4bf14102">shift</a> (<a class="code" href="namespaceutl.html#a1427cb5a2b13313147a902173b91e3c1">byte_t</a>&amp; b) { b &lt;&lt;=1; }</div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;      <span class="keyword">template</span> &lt;spi::bitOrder B =BitOrder&gt; constexpr</div><div class="line"><a name="l00212"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#a4de868a08bed878446e4fa026275cd23">  212</a></span>&#160;      <a class="code" href="namespaceutl_1_1meta.html#a372fe391d9567f66a81091f581e1fa01">meta::enable_if_t &lt;(B == spi::bitOrder::MSB_First), void&gt;</a> <a class="code" href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#a4de868a08bed878446e4fa026275cd23">shift</a> (<a class="code" href="namespaceutl.html#a1427cb5a2b13313147a902173b91e3c1">byte_t</a>&amp; b) { b &gt;&gt;=1; }</div><div class="line"><a name="l00213"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#a31da01ac9f57390d05da49dc494f8964">  213</a></span>&#160;      <span class="keyword">template</span> &lt;spi::cpol C =CPOL&gt; <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> <a class="code" href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#a31da01ac9f57390d05da49dc494f8964">clkHigh</a> () {</div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;         <span class="keywordflow">return</span> !<span class="keyword">static_cast&lt;</span><span class="keywordtype">bool</span><span class="keyword">&gt;</span>(C);</div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;      }</div><div class="line"><a name="l00216"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#a71630f7ea657f7b22640eaf3fdeff7ac">  216</a></span>&#160;      <span class="keyword">template</span> &lt;spi::cpol C =CPOL&gt; <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> <a class="code" href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#a71630f7ea657f7b22640eaf3fdeff7ac">clkLow</a> () {</div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;         <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span><span class="keywordtype">bool</span><span class="keyword">&gt;</span>(C);</div><div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;      }</div><div class="line"><a name="l00219"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#a69ff11ae02a37042fc446ddee6a534b2">  219</a></span>&#160;      <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> <a class="code" href="classutl_1_1spi__bb__i.html#a3a9b68907304114573bc7321006fa539">clkH_</a> {<a class="code" href="classutl_1_1spi__bb__i.html#a8fa5b901ced4ce734409ab4c20a1c1d2">clkHigh</a>()};</div><div class="line"><a name="l00220"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#a652413b2bf4a45c7326faa3fa9b8ef73">  220</a></span>&#160;      <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> <a class="code" href="classutl_1_1spi__bb__i.html#a509a5828018f62e2627af67e8c6a32d5">clkL_</a> {<a class="code" href="classutl_1_1spi__bb__i.html#ae0a17d5879099f6ac92eee4dee59ab0f">clkLow</a>()};</div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;</div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;</div><div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;   <span class="keyword">private</span>:</div><div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;      <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classutl_1_1spi__bb__i.html#a3051a59aaeb5b176a175b352cf5f578e">MOSI</a> (<span class="keywordtype">bool</span>) =0;  </div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;      <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classutl_1_1spi__bb__i.html#a9a7b908a8976f6efed9dd6e2b294415b">MISO</a> ()     =0;  </div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;      <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classutl_1_1spi__bb__i.html#af7afcca54b5ab9871caccb38794bd9d1">SCLK</a> (<span class="keywordtype">bool</span>) =0;  </div><div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;      <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classutl_1_1spi__bb__i.html#a49c41f82754a6e8fa4209423a33a1762">delay</a> (uint32_t) =0; </div><div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;</div><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;</div><div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;   <span class="keyword">private</span>:</div><div class="line"><a name="l00239"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#a255b1bf9e7f74140a20e4a3d8b26c181">  239</a></span>&#160;      uint32_t <a class="code" href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#a255b1bf9e7f74140a20e4a3d8b26c181">_clock</a> () const final { <span class="keywordflow">return</span> 1000000000/(2*<a class="code" href="classutl_1_1spi__bb__i.html#a863bf592b1df8f74bcc3b8d76f40c173">nsec_</a>); }</div><div class="line"><a name="l00240"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#ac69aac0298266d8bb8b912f763013433">  240</a></span>&#160;      <span class="keywordtype">void</span> <a class="code" href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#ac69aac0298266d8bb8b912f763013433">_clock</a> (uint32_t c) <span class="keyword">final</span> { <a class="code" href="classutl_1_1spi__bb__i.html#a863bf592b1df8f74bcc3b8d76f40c173">nsec_</a> = 1000000000/(2*c); }</div><div class="line"><a name="l00241"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#a2f16bf0d9f6e0eb3045923b416e57e0c">  241</a></span>&#160;      <a class="code" href="namespaceutl.html#a1427cb5a2b13313147a902173b91e3c1">byte_t</a> <a class="code" href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#a2f16bf0d9f6e0eb3045923b416e57e0c">_tx_data</a> (<a class="code" href="namespaceutl.html#a1427cb5a2b13313147a902173b91e3c1">byte_t</a> out) <span class="keyword">final</span> { <span class="keywordflow">return</span> <a class="code" href="classutl_1_1spi__bb__i.html#a9010a066edb4cfa4c549174c87eaf368">_tx_data_impl</a> (out); }</div><div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;</div><div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;      <span class="keyword">template</span> &lt;spi::cpha C =CPHA&gt;</div><div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;      <a class="code" href="namespaceutl_1_1meta.html#a372fe391d9567f66a81091f581e1fa01">meta::enable_if_t &lt;(C == spi::cpha::LOW), byte_t&gt;</a> <a class="code" href="classutl_1_1spi__bb__i.html#a9010a066edb4cfa4c549174c87eaf368">_tx_data_impl</a> (<a class="code" href="namespaceutl.html#a1427cb5a2b13313147a902173b91e3c1">byte_t</a> out);</div><div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;      <span class="keyword">template</span> &lt;spi::cpha C =CPHA&gt;</div><div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;      <a class="code" href="namespaceutl_1_1meta.html#a372fe391d9567f66a81091f581e1fa01">meta::enable_if_t &lt;(C == spi::cpha::HIGH), byte_t&gt;</a> <a class="code" href="classutl_1_1spi__bb__i.html#a9010a066edb4cfa4c549174c87eaf368">_tx_data_impl</a> (<a class="code" href="namespaceutl.html#a1427cb5a2b13313147a902173b91e3c1">byte_t</a> out);</div><div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;   <span class="keyword">private</span>:</div><div class="line"><a name="l00252"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#a0d112cd54d54775eb50febed8f6c18b5">  252</a></span>&#160;      uint32_t <a class="code" href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#a0d112cd54d54775eb50febed8f6c18b5">nsec_</a>;      </div><div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;   };</div><div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;</div><div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;   <span class="keyword">template</span> &lt;spi::cpol CPOL, spi::cpha CPHA, spi::bitOrder BitOrder&gt;</div><div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;   <span class="keyword">template</span> &lt;spi::cpha C&gt;</div><div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;      <a class="code" href="namespaceutl_1_1meta.html#a372fe391d9567f66a81091f581e1fa01">meta::enable_if_t &lt;(C == spi::cpha::LOW), byte_t&gt;</a></div><div class="line"><a name="l00266"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#a5875448dd9fdff7f8f59ef84efdb69b1">  266</a></span>&#160;      <a class="code" href="classutl_1_1spi__bb__i.html#a9010a066edb4cfa4c549174c87eaf368">spi_bb_i&lt;virtual_tag, CPOL, CPHA, BitOrder&gt;::_tx_data_impl</a> (<a class="code" href="namespaceutl.html#a1427cb5a2b13313147a902173b91e3c1">byte_t</a> out) {</div><div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;         <a class="code" href="namespaceutl.html#a1427cb5a2b13313147a902173b91e3c1">byte_t</a> in {};</div><div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;         <a class="code" href="classutl_1_1spi__bb__i.html#af7afcca54b5ab9871caccb38794bd9d1">SCLK</a> (<a class="code" href="classutl_1_1spi__bb__i.html#a509a5828018f62e2627af67e8c6a32d5">clkL_</a>);</div><div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;         <span class="keywordflow">for</span> (uint8_t bit {<span class="keyword">static_cast&lt;</span>uint8_t<span class="keyword">&gt;</span>(BitOrder)} ; bit ; <a class="code" href="classutl_1_1spi__bb__i.html#a0d017c3bc5c583ad802027914e492b3a">shift</a> (bit)) {</div><div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;            <a class="code" href="classutl_1_1spi__bb__i.html#a3051a59aaeb5b176a175b352cf5f578e">MOSI</a> (out &amp; bit);    <span class="comment">// Out at preceding clock trailing edge</span></div><div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;            <a class="code" href="classutl_1_1spi__bb__i.html#a49c41f82754a6e8fa4209423a33a1762">delay</a> (<a class="code" href="classutl_1_1spi__bb__i.html#a863bf592b1df8f74bcc3b8d76f40c173">nsec_</a>);       <span class="comment">// Half cycle delay</span></div><div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;            <a class="code" href="classutl_1_1spi__bb__i.html#af7afcca54b5ab9871caccb38794bd9d1">SCLK</a> (<a class="code" href="classutl_1_1spi__bb__i.html#a3a9b68907304114573bc7321006fa539">clkH_</a>);        <span class="comment">// Leading edge</span></div><div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;            in |= (<a class="code" href="classutl_1_1spi__bb__i.html#a9a7b908a8976f6efed9dd6e2b294415b">MISO</a> ()) ? bit : 0; <span class="comment">// In at leading clock edge</span></div><div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;            <a class="code" href="classutl_1_1spi__bb__i.html#a49c41f82754a6e8fa4209423a33a1762">delay</a> (<a class="code" href="classutl_1_1spi__bb__i.html#a863bf592b1df8f74bcc3b8d76f40c173">nsec_</a>);       <span class="comment">// Half cycle delay</span></div><div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;            <a class="code" href="classutl_1_1spi__bb__i.html#af7afcca54b5ab9871caccb38794bd9d1">SCLK</a> (<a class="code" href="classutl_1_1spi__bb__i.html#a509a5828018f62e2627af67e8c6a32d5">clkL_</a>);        <span class="comment">// Trailing edge</span></div><div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;         }</div><div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;         <span class="keywordflow">return</span> in;</div><div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;      }</div><div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;</div><div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;   <span class="keyword">template</span> &lt;spi::cpol CPOL, spi::cpha CPHA, spi::bitOrder BitOrder&gt;</div><div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;   <span class="keyword">template</span> &lt;spi::cpha C&gt;</div><div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;      <a class="code" href="namespaceutl_1_1meta.html#a372fe391d9567f66a81091f581e1fa01">meta::enable_if_t &lt;(C == spi::cpha::HIGH), byte_t&gt;</a></div><div class="line"><a name="l00290"></a><span class="lineno"><a class="line" href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#ad11610099072289c1f71dd7aab684905">  290</a></span>&#160;      <a class="code" href="classutl_1_1spi__bb__i.html#a9010a066edb4cfa4c549174c87eaf368">spi_bb_i&lt;virtual_tag, CPOL, CPHA, BitOrder&gt;::_tx_data_impl</a> (<a class="code" href="namespaceutl.html#a1427cb5a2b13313147a902173b91e3c1">byte_t</a> out) {</div><div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;         <a class="code" href="namespaceutl.html#a1427cb5a2b13313147a902173b91e3c1">byte_t</a> in {};</div><div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;         <a class="code" href="classutl_1_1spi__bb__i.html#af7afcca54b5ab9871caccb38794bd9d1">SCLK</a> (<a class="code" href="classutl_1_1spi__bb__i.html#a509a5828018f62e2627af67e8c6a32d5">clkL_</a>);</div><div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;         <span class="keywordflow">for</span> (uint8_t bit {<span class="keyword">static_cast&lt;</span>uint8_t<span class="keyword">&gt;</span>(BitOrder)} ; bit ; <a class="code" href="classutl_1_1spi__bb__i.html#a0d017c3bc5c583ad802027914e492b3a">shift</a> (bit)) {</div><div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;            <a class="code" href="classutl_1_1spi__bb__i.html#a49c41f82754a6e8fa4209423a33a1762">delay</a> (<a class="code" href="classutl_1_1spi__bb__i.html#a863bf592b1df8f74bcc3b8d76f40c173">nsec_</a>);       <span class="comment">// Half cycle delay</span></div><div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;            <a class="code" href="classutl_1_1spi__bb__i.html#af7afcca54b5ab9871caccb38794bd9d1">SCLK</a> (<a class="code" href="classutl_1_1spi__bb__i.html#a3a9b68907304114573bc7321006fa539">clkH_</a>);        <span class="comment">// Leading edge</span></div><div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;            <a class="code" href="classutl_1_1spi__bb__i.html#a3051a59aaeb5b176a175b352cf5f578e">MOSI</a> (out &amp; bit);    <span class="comment">// Out at leading clock edge</span></div><div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;            <a class="code" href="classutl_1_1spi__bb__i.html#a49c41f82754a6e8fa4209423a33a1762">delay</a> (<a class="code" href="classutl_1_1spi__bb__i.html#a863bf592b1df8f74bcc3b8d76f40c173">nsec_</a>);       <span class="comment">// Half cycle delay</span></div><div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;            <a class="code" href="classutl_1_1spi__bb__i.html#af7afcca54b5ab9871caccb38794bd9d1">SCLK</a> (<a class="code" href="classutl_1_1spi__bb__i.html#a509a5828018f62e2627af67e8c6a32d5">clkL_</a>);        <span class="comment">// Trailing edge</span></div><div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;            in |= (<a class="code" href="classutl_1_1spi__bb__i.html#a9a7b908a8976f6efed9dd6e2b294415b">MISO</a> ()) ? bit : 0; <span class="comment">// In at trailing clock edge</span></div><div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;         }</div><div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;         <span class="keywordflow">return</span> in;</div><div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;      }</div><div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;</div><div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;}</div><div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;</div><div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;<span class="preprocessor">#endif   //#ifndef __spi_bb_h__</span></div><div class="ttc" id="classutl_1_1spi__bb__i_html_a9a7b908a8976f6efed9dd6e2b294415b"><div class="ttname"><a href="classutl_1_1spi__bb__i.html#a9a7b908a8976f6efed9dd6e2b294415b">utl::spi_bb_i::MISO</a></div><div class="ttdeci">bool MISO()</div><div class="ttdoc">Implementers&amp;#39;s MISO pin function. </div><div class="ttdef"><b>Definition:</b> <a href="spi__bb_8h_source.html#l00100">spi_bb.h:100</a></div></div>

  94. <div class="ttc" id="meta_8h_html"><div class="ttname"><a href="meta_8h.html">meta.h</a></div><div class="ttdoc">Include all meta library. </div></div>

  95. <div class="ttc" id="namespaceutl_1_1spi_html_a89e3e1af5df0b6c37239f7e336969f8a"><div class="ttname"><a href="namespaceutl_1_1spi.html#a89e3e1af5df0b6c37239f7e336969f8a">utl::spi::cpol</a></div><div class="ttdeci">cpol</div><div class="ttdef"><b>Definition:</b> <a href="spi_8h_source.html#l00047">spi.h:47</a></div></div>

  96. <div class="ttc" id="namespaceutl_1_1spi_html_aed6b713381c193c598572ebac0b284cca47bde70fdcc82c8363d16c7137641b79"><div class="ttname"><a href="namespaceutl_1_1spi.html#aed6b713381c193c598572ebac0b284cca47bde70fdcc82c8363d16c7137641b79">utl::spi::bitOrder::MSB_First</a></div><div class="ttdoc">Less significant first. </div></div>

  97. <div class="ttc" id="classutl_1_1spi__bb__i_html_ae0a17d5879099f6ac92eee4dee59ab0f"><div class="ttname"><a href="classutl_1_1spi__bb__i.html#ae0a17d5879099f6ac92eee4dee59ab0f">utl::spi_bb_i::clkLow</a></div><div class="ttdeci">static constexpr bool clkLow()</div><div class="ttdef"><b>Definition:</b> <a href="spi__bb_8h_source.html#l00084">spi_bb.h:84</a></div></div>

  98. <div class="ttc" id="classutl_1_1spi__bb__i_html_a4338d3dc65ebe3aff1ec08d0413b3440"><div class="ttname"><a href="classutl_1_1spi__bb__i.html#a4338d3dc65ebe3aff1ec08d0413b3440">utl::spi_bb_i::_clock</a></div><div class="ttdeci">uint32_t _clock() const</div><div class="ttdef"><b>Definition:</b> <a href="spi__bb_8h_source.html#l00111">spi_bb.h:111</a></div></div>

  99. <div class="ttc" id="classutl_1_1spi__bb__i_html_a8fa5b901ced4ce734409ab4c20a1c1d2"><div class="ttname"><a href="classutl_1_1spi__bb__i.html#a8fa5b901ced4ce734409ab4c20a1c1d2">utl::spi_bb_i::clkHigh</a></div><div class="ttdeci">static constexpr bool clkHigh()</div><div class="ttdef"><b>Definition:</b> <a href="spi__bb_8h_source.html#l00081">spi_bb.h:81</a></div></div>

  100. <div class="ttc" id="classutl_1_1spi__bb__i_html_a9010a066edb4cfa4c549174c87eaf368"><div class="ttname"><a href="classutl_1_1spi__bb__i.html#a9010a066edb4cfa4c549174c87eaf368">utl::spi_bb_i::_tx_data_impl</a></div><div class="ttdeci">meta::enable_if_t&lt;(C==spi::cpha::LOW), byte_t &gt; _tx_data_impl(byte_t out)</div><div class="ttdoc">_tx_data implementation for CPHA == LOW Out at preceding clock trailing edge, In at leading clock edg...</div><div class="ttdef"><b>Definition:</b> <a href="spi__bb_8h_source.html#l00138">spi_bb.h:138</a></div></div>

  101. <div class="ttc" id="namespaceutl_1_1spi_html_aed6b713381c193c598572ebac0b284cc"><div class="ttname"><a href="namespaceutl_1_1spi.html#aed6b713381c193c598572ebac0b284cc">utl::spi::bitOrder</a></div><div class="ttdeci">bitOrder</div><div class="ttdef"><b>Definition:</b> <a href="spi_8h_source.html#l00040">spi.h:40</a></div></div>

  102. <div class="ttc" id="crtp_8h_html"><div class="ttname"><a href="crtp_8h.html">crtp.h</a></div></div>

  103. <div class="ttc" id="classutl_1_1spi__bb__i_html_aeac57567cb7db5ebb73bdd8e1f00cb82"><div class="ttname"><a href="classutl_1_1spi__bb__i.html#aeac57567cb7db5ebb73bdd8e1f00cb82">utl::spi_bb_i::~spi_bb_i</a></div><div class="ttdeci">~spi_bb_i()=default</div></div>

  104. <div class="ttc" id="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4_html_a71630f7ea657f7b22640eaf3fdeff7ac"><div class="ttname"><a href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#a71630f7ea657f7b22640eaf3fdeff7ac">utl::spi_bb_i&lt; virtual_tag, CPOL, CPHA, BitOrder &gt;::clkLow</a></div><div class="ttdeci">static constexpr bool clkLow()</div><div class="ttdef"><b>Definition:</b> <a href="spi__bb_8h_source.html#l00216">spi_bb.h:216</a></div></div>

  105. <div class="ttc" id="classutl_1_1spi__bb__i_html_a49c41f82754a6e8fa4209423a33a1762"><div class="ttname"><a href="classutl_1_1spi__bb__i.html#a49c41f82754a6e8fa4209423a33a1762">utl::spi_bb_i::delay</a></div><div class="ttdeci">void delay(uint32_t nsec)</div><div class="ttdef"><b>Definition:</b> <a href="spi__bb_8h_source.html#l00102">spi_bb.h:102</a></div></div>

  106. <div class="ttc" id="spi_8h_html"><div class="ttname"><a href="spi_8h.html">spi.h</a></div><div class="ttdoc">An Abstract base class interface for the spi bus. </div></div>

  107. <div class="ttc" id="classutl_1_1spi__i_3_01virtual__tag_01_4_html"><div class="ttname"><a href="classutl_1_1spi__i_3_01virtual__tag_01_4.html">utl::spi_i&lt; virtual_tag &gt;</a></div><div class="ttdoc">A virtual base class implementation. </div><div class="ttdef"><b>Definition:</b> <a href="spi_8h_source.html#l00177">spi.h:177</a></div></div>

  108. <div class="ttc" id="classutl_1_1spi__bb__i_html_a863bf592b1df8f74bcc3b8d76f40c173"><div class="ttname"><a href="classutl_1_1spi__bb__i.html#a863bf592b1df8f74bcc3b8d76f40c173">utl::spi_bb_i::nsec_</a></div><div class="ttdeci">uint32_t nsec_</div><div class="ttdef"><b>Definition:</b> <a href="spi__bb_8h_source.html#l00124">spi_bb.h:124</a></div></div>

  109. <div class="ttc" id="namespaceutl_1_1spi_html_aa49fe33d495226891cef0a870cba59df"><div class="ttname"><a href="namespaceutl_1_1spi.html#aa49fe33d495226891cef0a870cba59df">utl::spi::cpha</a></div><div class="ttdeci">cpha</div><div class="ttdef"><b>Definition:</b> <a href="spi_8h_source.html#l00054">spi.h:54</a></div></div>

  110. <div class="ttc" id="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4_html_ab7b8568f6383ca83cc3b9c7a4bf14102"><div class="ttname"><a href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#ab7b8568f6383ca83cc3b9c7a4bf14102">utl::spi_bb_i&lt; virtual_tag, CPOL, CPHA, BitOrder &gt;::shift</a></div><div class="ttdeci">constexpr meta::enable_if_t&lt;(B==spi::bitOrder::LSB_First), void &gt; shift(byte_t &amp;b)</div><div class="ttdef"><b>Definition:</b> <a href="spi__bb_8h_source.html#l00210">spi_bb.h:210</a></div></div>

  111. <div class="ttc" id="classutl_1_1spi__bb__i_html_a509a5828018f62e2627af67e8c6a32d5"><div class="ttname"><a href="classutl_1_1spi__bb__i.html#a509a5828018f62e2627af67e8c6a32d5">utl::spi_bb_i::clkL_</a></div><div class="ttdeci">static constexpr bool clkL_</div><div class="ttdef"><b>Definition:</b> <a href="spi__bb_8h_source.html#l00088">spi_bb.h:88</a></div></div>

  112. <div class="ttc" id="namespaceutl_html"><div class="ttname"><a href="namespaceutl.html">utl</a></div><div class="ttdoc">STL&amp;#39;s core language concepts. </div><div class="ttdef"><b>Definition:</b> <a href="__1wire_8h_source.html#l00030">_1wire.h:30</a></div></div>

  113. <div class="ttc" id="classutl_1_1spi__bb__i_html_a93d43e3fa8e2112757281e0c20070eb4"><div class="ttname"><a href="classutl_1_1spi__bb__i.html#a93d43e3fa8e2112757281e0c20070eb4">utl::spi_bb_i::shift</a></div><div class="ttdeci">constexpr meta::enable_if_t&lt;(B==spi::bitOrder::MSB_First), void &gt; shift(byte_t &amp;b)</div><div class="ttdef"><b>Definition:</b> <a href="spi__bb_8h_source.html#l00080">spi_bb.h:80</a></div></div>

  114. <div class="ttc" id="classutl_1_1spi__bb__i_html_a33b6ef2f4c26b16ee4e28425ab20e852"><div class="ttname"><a href="classutl_1_1spi__bb__i.html#a33b6ef2f4c26b16ee4e28425ab20e852">utl::spi_bb_i::_CRTP_IMPL</a></div><div class="ttdeci">_CRTP_IMPL(impl_t)</div></div>

  115. <div class="ttc" id="classutl_1_1spi__bb__i_html"><div class="ttname"><a href="classutl_1_1spi__bb__i.html">utl::spi_bb_i</a></div><div class="ttdoc">A bit banking implementation of spi bus inherited from spi_i base class. </div><div class="ttdef"><b>Definition:</b> <a href="spi__bb_8h_source.html#l00056">spi_bb.h:56</a></div></div>

  116. <div class="ttc" id="classutl_1_1spi__bb__i_html_a49a61ba9a8e140e45d73e1f634061c6a"><div class="ttname"><a href="classutl_1_1spi__bb__i.html#a49a61ba9a8e140e45d73e1f634061c6a">utl::spi_bb_i::spi_bb_i</a></div><div class="ttdeci">spi_bb_i(uint32_t clk) noexcept</div><div class="ttdoc">A default constructor. </div><div class="ttdef"><b>Definition:</b> <a href="spi__bb_8h_source.html#l00069">spi_bb.h:69</a></div></div>

  117. <div class="ttc" id="namespaceutl_1_1meta_html_a372fe391d9567f66a81091f581e1fa01"><div class="ttname"><a href="namespaceutl_1_1meta.html#a372fe391d9567f66a81091f581e1fa01">utl::meta::enable_if_t</a></div><div class="ttdeci">eval&lt; enable_if&lt; If, _Tp &gt; &gt; enable_if_t</div><div class="ttdoc">alias template for enable_if </div><div class="ttdef"><b>Definition:</b> <a href="sfinae_8h_source.html#l00063">sfinae.h:63</a></div></div>

  118. <div class="ttc" id="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4_html"><div class="ttname"><a href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html">utl::spi_bb_i&lt; virtual_tag, CPOL, CPHA, BitOrder &gt;</a></div><div class="ttdoc">A virtual base class interface specialization. Using the private virtual interface we provide the int...</div><div class="ttdef"><b>Definition:</b> <a href="spi__bb_8h_source.html#l00190">spi_bb.h:190</a></div></div>

  119. <div class="ttc" id="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4_html_a31da01ac9f57390d05da49dc494f8964"><div class="ttname"><a href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#a31da01ac9f57390d05da49dc494f8964">utl::spi_bb_i&lt; virtual_tag, CPOL, CPHA, BitOrder &gt;::clkHigh</a></div><div class="ttdeci">static constexpr bool clkHigh()</div><div class="ttdef"><b>Definition:</b> <a href="spi__bb_8h_source.html#l00213">spi_bb.h:213</a></div></div>

  120. <div class="ttc" id="classutl_1_1spi__bb__i_html_a3a9b68907304114573bc7321006fa539"><div class="ttname"><a href="classutl_1_1spi__bb__i.html#a3a9b68907304114573bc7321006fa539">utl::spi_bb_i::clkH_</a></div><div class="ttdeci">static constexpr bool clkH_</div><div class="ttdef"><b>Definition:</b> <a href="spi__bb_8h_source.html#l00087">spi_bb.h:87</a></div></div>

  121. <div class="ttc" id="classutl_1_1spi__bb__i_html_af7afcca54b5ab9871caccb38794bd9d1"><div class="ttname"><a href="classutl_1_1spi__bb__i.html#af7afcca54b5ab9871caccb38794bd9d1">utl::spi_bb_i::SCLK</a></div><div class="ttdeci">void SCLK(bool st)</div><div class="ttdoc">Implementers&amp;#39;s SCLK pin function. </div><div class="ttdef"><b>Definition:</b> <a href="spi__bb_8h_source.html#l00101">spi_bb.h:101</a></div></div>

  122. <div class="ttc" id="classutl_1_1spi__i_html"><div class="ttname"><a href="classutl_1_1spi__i.html">utl::spi_i</a></div><div class="ttdef"><b>Definition:</b> <a href="spi_8h_source.html#l00067">spi.h:67</a></div></div>

  123. <div class="ttc" id="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4_html_a0d112cd54d54775eb50febed8f6c18b5"><div class="ttname"><a href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#a0d112cd54d54775eb50febed8f6c18b5">utl::spi_bb_i&lt; virtual_tag, CPOL, CPHA, BitOrder &gt;::nsec_</a></div><div class="ttdeci">uint32_t nsec_</div><div class="ttdef"><b>Definition:</b> <a href="spi__bb_8h_source.html#l00252">spi_bb.h:252</a></div></div>

  124. <div class="ttc" id="classutl_1_1spi__bb__i_html_a90960d777886658afd42243743b3f61a"><div class="ttname"><a href="classutl_1_1spi__bb__i.html#a90960d777886658afd42243743b3f61a">utl::spi_bb_i::_clock</a></div><div class="ttdeci">void _clock(uint32_t c)</div><div class="ttdef"><b>Definition:</b> <a href="spi__bb_8h_source.html#l00112">spi_bb.h:112</a></div></div>

  125. <div class="ttc" id="namespaceutl_html_a1427cb5a2b13313147a902173b91e3c1"><div class="ttname"><a href="namespaceutl.html#a1427cb5a2b13313147a902173b91e3c1">utl::byte_t</a></div><div class="ttdeci">uint8_t byte_t</div><div class="ttdoc">8 bits wide </div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.html#l00031">types.h:31</a></div></div>

  126. <div class="ttc" id="structutl_1_1virtual__tag_html"><div class="ttname"><a href="structutl_1_1virtual__tag.html">utl::virtual_tag</a></div><div class="ttdoc">virtual support tag type </div><div class="ttdef"><b>Definition:</b> <a href="crtp_8h_source.html#l00040">crtp.h:40</a></div></div>

  127. <div class="ttc" id="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4_html_a2f16bf0d9f6e0eb3045923b416e57e0c"><div class="ttname"><a href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#a2f16bf0d9f6e0eb3045923b416e57e0c">utl::spi_bb_i&lt; virtual_tag, CPOL, CPHA, BitOrder &gt;::_tx_data</a></div><div class="ttdeci">byte_t _tx_data(byte_t out) final</div><div class="ttdef"><b>Definition:</b> <a href="spi__bb_8h_source.html#l00241">spi_bb.h:241</a></div></div>

  128. <div class="ttc" id="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4_html_ac69aac0298266d8bb8b912f763013433"><div class="ttname"><a href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#ac69aac0298266d8bb8b912f763013433">utl::spi_bb_i&lt; virtual_tag, CPOL, CPHA, BitOrder &gt;::_clock</a></div><div class="ttdeci">void _clock(uint32_t c) final</div><div class="ttdoc">Set the clock frequency of the bus. </div><div class="ttdef"><b>Definition:</b> <a href="spi__bb_8h_source.html#l00240">spi_bb.h:240</a></div></div>

  129. <div class="ttc" id="classutl_1_1spi__bb__i_html_a3051a59aaeb5b176a175b352cf5f578e"><div class="ttname"><a href="classutl_1_1spi__bb__i.html#a3051a59aaeb5b176a175b352cf5f578e">utl::spi_bb_i::MOSI</a></div><div class="ttdeci">void MOSI(bool st)</div><div class="ttdoc">Implementers&amp;#39;s MOSI pin function. </div><div class="ttdef"><b>Definition:</b> <a href="spi__bb_8h_source.html#l00099">spi_bb.h:99</a></div></div>

  130. <div class="ttc" id="classutl_1_1spi__bb__i_html_a0d017c3bc5c583ad802027914e492b3a"><div class="ttname"><a href="classutl_1_1spi__bb__i.html#a0d017c3bc5c583ad802027914e492b3a">utl::spi_bb_i::shift</a></div><div class="ttdeci">constexpr meta::enable_if_t&lt;(B==spi::bitOrder::LSB_First), void &gt; shift(byte_t &amp;b)</div><div class="ttdef"><b>Definition:</b> <a href="spi__bb_8h_source.html#l00078">spi_bb.h:78</a></div></div>

  131. <div class="ttc" id="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4_html_a4de868a08bed878446e4fa026275cd23"><div class="ttname"><a href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#a4de868a08bed878446e4fa026275cd23">utl::spi_bb_i&lt; virtual_tag, CPOL, CPHA, BitOrder &gt;::shift</a></div><div class="ttdeci">constexpr meta::enable_if_t&lt;(B==spi::bitOrder::MSB_First), void &gt; shift(byte_t &amp;b)</div><div class="ttdef"><b>Definition:</b> <a href="spi__bb_8h_source.html#l00212">spi_bb.h:212</a></div></div>

  132. <div class="ttc" id="impl_8h_html"><div class="ttname"><a href="impl_8h.html">impl.h</a></div><div class="ttdoc">Implementation detail main forward header. </div></div>

  133. <div class="ttc" id="classutl_1_1spi__bb__i_html_a7431ab56033d58e34ee847d825c99658"><div class="ttname"><a href="classutl_1_1spi__bb__i.html#a7431ab56033d58e34ee847d825c99658">utl::spi_bb_i::_tx_data</a></div><div class="ttdeci">byte_t _tx_data(byte_t out)</div><div class="ttdef"><b>Definition:</b> <a href="spi__bb_8h_source.html#l00113">spi_bb.h:113</a></div></div>

  134. <div class="ttc" id="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4_html_a255b1bf9e7f74140a20e4a3d8b26c181"><div class="ttname"><a href="classutl_1_1spi__bb__i_3_01virtual__tag_00_01_c_p_o_l_00_01_c_p_h_a_00_01_bit_order_01_4.html#a255b1bf9e7f74140a20e4a3d8b26c181">utl::spi_bb_i&lt; virtual_tag, CPOL, CPHA, BitOrder &gt;::_clock</a></div><div class="ttdeci">uint32_t _clock() const final</div><div class="ttdoc">Read the clock frequency of the bus. </div><div class="ttdef"><b>Definition:</b> <a href="spi__bb_8h_source.html#l00239">spi_bb.h:239</a></div></div>

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