One on USB, serial communication example, it is worth a visit.

USB_COM\Communication\Communication\Communication.aps
.......\.............\.............\Communication.cpp
.......\.............\.............\Communication.h
.......\.............\.............\Communication.rc
.......\.............\.............\Communication.vcproj
.......\.............\.............\Communication.vcproj.XUDEPING.xdp.user
.......\.............\.............\CommunicationDlg.cpp
.......\.............\.............\CommunicationDlg.h
.......\.............\.............\devintf.h
.......\.............\.............\.river\devintf.h
.......\.............\.............\......\OpenByIntf.cpp
.......\.............\.............\......\testdevice.cpp
.......\.............\.............\......\testdevice.h
.......\.............\.............\......\TestDeviceInterface.h
.......\.............\.............\......\testioctl.h
.......\.............\.............\driver.rar
.......\.............\.............\Lib\SETUPAPI.LIB
.......\.............\.............\OpenByIntf.cpp
.......\.............\.............\ReadMe.txt
.......\.............\.............\res\Communication.ico
.......\.............\.............\...\Communication.rc2
.......\.............\.............\resource.h
.......\.............\.............\stdafx.cpp
.......\.............\.............\stdafx.h
.......\.............\.............\targetver.h
.......\.............\.............\testdevice.cpp
.......\.............\.............\testdevice.h
.......\.............\.............\TestDeviceInterface.h
.......\.............\.............\testioctl.h
.......\.............\.............\TRDCommunication.cpp
.......\.............\.............\TRDCommunication.h
.......\.............\Communication.ncb
.......\.............\Communication.sln
.......\.............\Communication.suo
.......\Communication.rar
.......\Communication0917.rar
.......\.............\Communication\driver
.......\.............\.............\Lib
.......\.............\.............\res
.......\.............\Communication
.......\Communication
USB_COM

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