记录使用步骤
1.环境搭建需要linux系统
http://docs.nvidia.com/jetpack-l4t/#developertools/mobile/jetpack/l4t/3.2rc/jetpack_l4t_install.htm%3FTocPath%3D_____3
http://blog.csdn.net/hanxuexiaoma/article/details/78968445
