详细介绍jni编程机制的经典之作，适合有一定C语言基础的同事使用。-Jni detailed mechanism of the classic programming, for a certain use of C-based colleagues.

k60底层驱动程序，单片机基础例程。 供初学者使用。-failed to translate

完全使用C语言对门禁的基础功能进行编写，通过udp协议与底层进行数据的交互，取出对应数据后在和平台端进行交互。(Full use of C language based on function to access the write data through the UDP protocol and the underlying interaction, interact in peace you take out the corresponding data.)