<mpg>  
   <halpin>"jog-counts"<event>jog</event><type>s32</type></halpin>
   <halpin>"axis-selector"<event>sela</event><type>s32</type></halpin>
   <halpin>"scale-selector"<event>sels</event><type>s32</type></halpin>
   <halpin>"func-btn"<event>func</event><type>bit</type></halpin> 
   <halpin>"prog-run-btn"<event>run</event><type>bit</type></halpin>
   <halpin>"estop-btn"<event>est</event><type>bit</type></halpin>
</mpg>
