ecos移植到R8H系列的源码。源码包来自http://www.cetoni.de/develop/develop_ecosh8s_en.html，作者Uwe Kindler。

用于做机器视觉的，来自px4的源码,http://www.amobbs.com/thread-5525773-1-1.html-the code from px4 PX4Flow is an optical flow camera. Provides optical flow at 250 Hz. Unlike mouse sensors it works indoors without illumination LED. Details. ■168 MHz Cortex M4F