http://blog.csdn.net/qq_29350001/article/details/52669964

http://blog.csdn.net/zqj6893/article/details/50386921

http://blog.csdn.net/yangzhongxuan/article/details/8021743

http://www.ebaina.com/bbs/thread-5035-1-1.html

嵌入式开发之hi3516---GV7601 SPI通信问题