linux 下的串口程序学习资料

Linux下的串口编程及非阻塞模式
https://www.cnblogs.com/ynxf/p/6105072.html
Linux下的串口编程实例
http://blog.csdn.net/wcl719236538/article/details/55251368
Linux 下串口编程入门
https://www.ibm.com/developerworks/cn/linux/l-serials/
Linux串口编程教程（三）——串口编程详解
http://blog.csdn.net/u011192270/article/details/48174353
Linux下的串口编程(二）
http://blog.csdn.net/w282529350/article/details/7378388
linux 下串口通信程序
https://www.cnblogs.com/yklevy/articles/6494726.html