l00023"></a><span class="lineno">   23</span>&#160;    <span class="comment">/** Checks whether the capacitor has charged, and returns how long it took for the most recent charge.</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment">    This would preferably be called in updateControl(), but if the resolution isn&#39;t fine enough or the </span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment">