Fix the reload value in the examples: to get a SysTick interrupt every N clock pulses: set reload to N-1 see http://infocenter.arm.com/help/topic/com.arm.doc.dui0552a/BGBEEJHC.html#BABGACGG
------------------------------------------------------------------------------ README ------------------------------------------------------------------------------ This example implements a USB Human Interface Device (HID) to demonstrate the use of the USB device stack.