dm642驱动和FVID详细教程，新手必备，FVID API详解-dm642 driver and FVID detailed tutorials, novice necessary, FVID API Xiangjie

HPI驱动源码,针对dm642和arm的通信，使用HPI实现两者之间的简单通信。-the driver of hpi.It can be used in the environment of Lunux.Thanks for your attention.