dm642实现实时的FAST特征点的检测，FAST特征点更适合于硬件实现的实时应用中，原理简单。基于CCS2.2环境，编程语言C，方便移植到其他DSP平台。-DM642 realize real-time FAST feature point detection, FAST feature points more suitable for hardware implementation of real-time applications, the principle is simple.Base