ss="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    system_tick_t _timeout;      <span class="comment">// number of milliseconds to wait for the next char before aborting timed read</span></div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    system_tick_t _startMillis;  <span class="comment">// used for timeout measurement</span></div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    <span class="keywordtype">int</span> 