USB Host Driver Catalog Items and Sysgen Variables (Compact 7)

3/12/2014

In Windows Embedded Compact, you can implement a USB host driver for supporting USB client drivers.

For more information, see USB Host Drivers.

For more information about how to add or remove catalog items, see Design Your First OS.

Hardware and Software Requirements

The following table describes the catalog items and associated SYSGEN variables that you can use to add support for USB host drivers to your OS.

Catalog item	SYSGEN variable or BSP flag	Description	Dependencies
USB Host Support	SYSGEN_USB	Provides core shared components of the USB software stack that are required for developing USB drivers. For more information, see USB Host Controller Drivers.	None.
USB Printer Class Driver	SYSGEN_USB_PRINTER	Provides the USB class driver that supports USB printer class devices.	Requires USB Host Support (SYSGEN_USB).
USB RNDIS Class Driver	SYSGEN_ETH_USB_HOST	Provides the USB class driver that supports Remote NDIS (RNDIS) compatible Ethernet adapters.	Requires USB Host Support (SYSGEN_USB) and SYSGEN_NDIS.
USB Storage Class Driver	SYSGEN_USB_STORAGE	Provides the USB class driver that supports USB storage class devices.	Requires USB Host Support (SYSGEN_USB).
USB Host AS and Modem Driver	SYSGEN_USB_SER	Provides the USB class driver that supports USB ActiveSync host and USB modem class devices.	Requires SYSGEN_USB.
EHCI	BSP_USB_EHCI	Provides the generic Enhanced Host Controller Interface (EHCI) USB 2.0 host controller driver.	Requires USB Host Support (SYSGEN_USB).
OHCI	BSP_USB_OHCI	Provides the generic Open Host Controller Interface (OHCI) USB 1.1 host controller driver.	Requires SYSGEN_USB.
UHCI	BSP_USB_UHCI	Provides the generic Universal Host Controller Interface (UHCI) host controller driver.	Requires SYSGEN_USB.

The following table describes the SYSGEN variables that you can set to add USB host driver features to your OS.

SYSGEN variable	Description	Dependencies
SYSGEN_USB_AUDIO	Provides a USB audio class driver that enables the Windows Embedded Compact powered device to connect to USB audio devices such as a USB headset or a USB external speaker.	Requires USB Host Support (SYSGEN_USB) and SYSGEN_AUDIO.