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串口发送接收数据，初学者可以参考参考， - - ~(串口发送接收数据，初学者可以参考参考，-- ~)

串口调试助手源码,mfc，用控件编写，包括自动发送和十六进制显示(Serial debugging assistant source)

串口通讯测试代码，经过测试，可以成功运行。(Serial Communication Test.)

串口控制的资料和源码，里面包含源码和学习资料(A serial port control information and source code)

经典VC++环境下从串口读取数据并实时绘制曲线图(Read data from the serial port classical VC++ environment and real-time rendering graph)

串口调试助手，适合做串口通讯的人员使用。VB.NET编程。(vb.net serial debug for usart comm.)

利用VB语言实现对串口进行操作，从而实现通过串口进行远程关机的操作，了解相关编程方法。(VB language serial port operation through the serial port for remote shutdown operation, understanding related programming methods.)

一个非常完整的川口通讯源程序，我费了很大功夫才把他找到。(a very complete source Kawaguchi communications, I spent a lot of time and energy only to find him.)

说明：  Wincc使用MSComm控件串口通讯，VB中发送十六进制数据(Wincc uses MSComm control to communicate through serial port and sends hexadecimal data in VB)

Visual c++实践与提高——串口通信与工程应用篇10源代码(Visual c++ practice and improve- serial communication and project source code (Application) 10)