zlg_usb协议栈是周立功公司开发的一款开放的usb源代码，他是专为ucos系统设计的，支持所有usb硬件，在移植的过程中只需要简单修改硬件初始化函数就可以，本人在lpc2300处理器上调试通过-zlg_usb protocol stack is developed Ligong weeks a usb and open source code, he is designed for uCOS system design, and support all usb hardware in the

PORUS is a portable USB device stack. It is designed to contain, as far as possible, all of the code common to a complete USB device implementation. PORUS is neither stable nor finished. Until version 1.0.0, the API may change, perhaps sign