usb bulk 传输例程。 * The bulkusb driver is a generic function driver, based on the Windows Driver Model (WDM). * Supports Plug and Play(PnP), Power Management(PM), Windows Management Instrumentation (WMI) and the Selective Suspend (SS) features.

USB控制器编程指南 对USB从设备开发者应该会有所帮助-Progamming guide for USB controller which may help USB Device developers

嵌入式USB主从设备控制器SL811中文翻译-Embedded USB master and slave device controller SL811 Chinese translation

Schematic and source code to making RP3 remote controller for control PC thought USB device