查询到的资料介绍
https://blog.csdn.net/wumumang/article/details/54317508
http://www.elecfans.com/emb/jiekou/20171206595752.html
https://www.cnblogs.com/lidabo/p/5319210.html
https://blog.csdn.net/liudongdong19/article/details/81534088
https://blog.csdn.net/qq_29350001/article/details/80681244
https://blog.csdn.net/wumumang/article/details/54317508
http://www.elecfans.com/emb/jiekou/20171206595752.html
https://www.cnblogs.com/lidabo/p/5319210.html
https://blog.csdn.net/liudongdong19/article/details/81534088
https://blog.csdn.net/qq_29350001/article/details/80681244
https://www.cnblogs.com/aaronLinux/p/6218660.html
https://www.cnblogs.com/zzdbullet/p/9485464.html
原文：https://www.cnblogs.com/netstatgood/p/11841391.html