e">int</span> durationms;</div>
<div class="line">  <span class="keywordtype">int</span> freq_start;</div>
<div class="line">  <span class="keywordtype">int</span> freq_end;</div>
<div class="line">  modfreqmode modfreq;</div>
<div class="line"> </div>
<div class="line">};</div>
<div class="line"> </div>
<div class="line"><span class="preprocessor">#define NOTESTEP 1.0594630943593</span></div>
<div class="line"> </div>
<div class="line">SquareWaveformGenerator swg;</div>
<div class="line"> </div>
<div class