▍1. This procedure demonstrates how to use the preparation of high
本程序演示了如何利用编写高层应用程序与USB接口通信。有必要了解主机是如何识别USB设备以及USB工作的基本原理。-This procedure demonstrates how to use the preparation of high-level applications and USB interface. Yes there is the need to know how to identify the host USB devices, as well as the basic principle of USB.