</a><span class="lineno">   50</span>&#160;    } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(speed == FASTEST_ADC){ <span class="comment">// divide by 4</span></div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;        ADCSRA &amp;= ~(1 &lt;&lt; ADPS2);</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;        ADCSRA |= (1 &lt;&lt; ADPS1);</div><div class="line"><a name="l00053"></a><span class="lineno">   53</spa