 (current_channel == -1) <span class="comment">// last read of adc_channels_to_read stack was empty, ie. all channels from last time have been read</span></div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;    {</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;<span class="preprocessor">#</span><span class="preprocessor">if</span> <span class="preprocessor">(</span><a class="code" href="group__core.html#ga3417fc0b453af798a70340c912a4b657">USE