energia/Energia — pull request #475 by spirilis (2014-10-26 14:45:31+00:00)
Title: ARM SysTick-based delays need fixing

Posting this for http://forum.43oh.com/topic/5902-measure-short-amounts-of-time-with-micros/

SysTick counts *down*, this thread indicates some of Energia's core code is written to assume it counts up.