https://blog.csdn.net/starhosea/article/details/78663285 导出sdk
https://blog.csdn.net/lb5761311/article/details/79739569?utm_source=copy&tdsourcetag=s_pcqq_aiomsg from bottom to top的gpio控制
http://www.cnblogs.com/reality-soul/p/6270619.html hw_module_t加载
https://www.jianshu.com/p/63d699cffa1a 使用系统文件进行签名
https://www.jianshu.com/p/a68ca97e7c08 解决签名动态库问题
