libopencm3/libopencm3-examples — pull request #20 by ChuckM (2013-07-13 02:39:33+00:00)
Title: LED blinker using Systick demo

This is a variant on fancy_blink that uses the Systick timer for time accurate delays. Mostly its
a way to show how to set up the systick timer as a system millisecond counter.