要安裝pyserial:https://blog.csdn.net/absinjun/article/details/81407790
使用python3實現操作串口詳解:https://www.jb51.net/article/153839.htm
linux如何查看哪個串口是真實串口,哪個串口:https://blog.csdn.net/p09080016/article/details/79299610
class MetaCls(type): def __new__(cls, *args, **kwargs): print("in MetaCls") # return super(Meta