串口助手大家都很熟悉了,核心的串口类可很好的构建串口通讯代码，但是他的Bug是退出死锁，现在这个代码是修改Bug后的终极版，今后大家可放心使用了-Serial assistants are familiar with the core of the serial port class can build a good serial communication code, but he Bug exit deadlock, this code is the ultimate version aft