iousfreq = -1;</div>
<div class="line">  <span class="keywordtype">int</span> previousfreq2 = -1;</div>
<div class="line">  </div>
<div class="line">  <span class="keywordflow">while</span> (*m1) </div>
<div class="line">  {</div>
<div class="line">    <span class="keywordtype">long</span> now = millis();</div>
<div class="line">    </div>
<div class="line">    <span class="keywordflow">if</span>(now &gt;= track1_untilms)    </div>
<div class="line">    {</div>
<div class="line">      <span class="keywordty