 The identification strings must match the USB accessory
filter settings specified in the connecting Android application,otherwise the application cannot
connect with the accessory.</p>

<p>Once USB is enabled with code shown above, the accessory listens for connection requests. The ADK
library handles listening and connection details, so the accessory calls <code>ADK::adkEventProcess()</code> once during each loop execution:</p>

<pre>
void loop(void)
{
  ...
  L.adkEventProcess(); //let the adk framework 