usb host的驱动程序,用于实现usb端口的初始化等

UsbPort打印例子usbprint的开发的源代码-Print UsbPort example usbprint the development of source code

本程序演示了如何利用编写高层应用程序与USB接口通信。读者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 program demonstrates how to use the preparation of high-level applications with USB interface communication. Readers need to know is how to identify the host USB devices and USB on the