usb Directory Reference

Files
	emul_bc12.h
	Backend APIs for the BC1.2 emulators.
	udc.h
	New USB device controller (UDC) driver API.
	uhc.h
	USB host controller (UHC) driver API.
	usb_bc12.h
	Public APIs for the USB BC1.2 battery charging detect drivers.
	usb_dc.h
	USB device controller APIs.