/**
@page LEVEL3 Sleep Timer Requirements
LEVEL4 Trick shall provide a framework to use a sleep timer.
LEVEL4 The framework shall provide a base timer class that provides the
following interface
LEVEL5 Initialize the timer
LEVEL5 Start the timer
LEVEL5 Reset the clock
LEVEL5 Wait on the timer to expire
LEVEL5 Stop the timer
LEVEL5 Shutdown the timer
LEVEL4 Trick shall provide a sleep timer based on the system itimer
(ITimer timer).
*/