这个代码需要有一定基础的开发者阅读，特别是对如何识别USB设备及USB基本原理有一定了解的开发者比较适用。程序主要演示了如何编写高层应用与USB接口通信...

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这个代码需要有一定基础的开发者阅读，特别是对如何识别USB设备及USB基本原理有一定了解的开发者比较适用。程序主要演示了如何编写高层应用与USB接口通信-This code need to have a certain foundation for developers to read, especially on how to identify the USB device and USB have a certain understanding of the basic principles of development compared to apply. Procedures for the main demonstration on how to prepare high-level application and USB interface communication