学习串口通信的好资料，内含有创建一个串口，打开串口，读取串口内容，关闭串口，还有多线程串口编程知识-Learning a good serial communication data contains create a serial port, open the serial port, serial port to read the contents, close the serial port, serial ports are multi-threaded programming know

串口间通讯，包括串口的创建，设置等，以及工作者线程的创建应用等-Between serial communications, including serial port creation, settings and applications to create worker thread

与三菱PLC串口通信，有创建线程、关闭线程的功能-With MITSUBISHI PLC serial communication, there are functions to create a thread, to close the thread

完成了串口操作的基本功能，包括读写功能、创建线程功能及线程监听等功能-Completion of the basic functions of serial operation, including read and write capabilities, to create threads and thread monitor function and other functions