SIMPLE EXAMPLE This example for comunication between PIC 18F4550 an PC with Visual Basic connected in USB PORT. Its compose for Firmware, Program an Proteus Diagram. Enjoy it.!

用visual c++编程实现与USB的通信源码，其中包括pc机如何接受设备发送的数据，以及如何向设备发送数据。-With visual c++ programming and USB communication source, including the pc machine how to accept the device sends data, and how to send data to devices.

利用Visual+C++实现USB设备与PC机通信-The use of Visual+ C++ to achieve the USB device and PC communication. Pdf