></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span>  <span class="keywordtype">void</span> play(<span class="keywordtype">int</span> freq, lldesc_t <span class="keyword">volatile</span> * dmaBuffers = <span class="keyword">nullptr</span>);</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span> </div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span>  <span class="comment">/*</span></div>
<div clas