Source Code Structure

Source Code Structure

RTUSB-32 comes with four header files in directory Include:

Filename	Depends on	Comments
Rtucfg.h	-	Defines basic data types and compile time options.
Rtusb.h	Rtucfg.h	Defines the RTUSB-32 API. Applications need to include this file.
Rtuprv.h	Rtusb.h	Declares RTUSB-32 internal functions and data structures. The portable USB host stack as well as the host controller drivers need this file.
Rtusys.h	Rtucfg.h	Defines the RTUSB-32 system driver API.

The USB host protocol stack and the host controller drivers are located in directory Source\Rtu32:

Filename	Comments
Rtusb.c	USB host protocol stack driver and hub class driver.
Usbutil.c	Helper functions for memory management used by Rtusb.c, Ehci.c, Uhci.c, Ohci.c, and Xhci.c.
Usbcfg.c	Default RTUSBConfig structure.
Uhci.c	UHCI host controller driver.
Ohci.c	OHCI host controller driver.
Ehci.c	EHCI host controller driver.
Xhci.c	XHCI host controller driver.

The class drivers are located in directory Driver\Rtu32. The following files in directory Driver\Rtu32 comprise the class drivers:

Filename	Comments
Usbkb.c	Keyboard class driver.
Usbkbcfg.c	Default RTUSBKeybrdConfig structure of the keyboard class driver.
Usbmouse.c	Mouse class driver.
Usbmscfg.c	Default RTUSBMouseConfig structure of the mouse class driver.
Usbtouch.c	Touch screen driver.
Usbthcfg.c	Default RTUSBTouchConfig structure of the touch screen driver.
Usbprint.c	Printer class driver.
Usbdisk.c	Mass Storage class driver.
Usbax772.c	AX772, AX772B, and AX178 USB-Ethernet bridge driver.
Usbax172.c	AX172 USB-Ethernet bridge driver.
Usbcdcecm.c	CDC ECM USB-Ethernet bridge driver.
Usbaudio.c	Audio Class Driver.
Usbmtp.c	Media Transfer Protocol Class Driver.