Designer Reference Manual USB08 Evaluation Board
194 Universal USB Device Driver (USBIO) MOTOROLA
Universal USB Device Driver (USBIO)
USBIO_INTERFACE_SETTING
The USBIO_INTERFACE_SETTING structure provides information
used to configure an interface and its endpoints.
Definition typedef struct _USBIO_INTERFACE_SETTING{
USHORT InterfaceIndex;
USHORT AlternateSettingIndex;
ULONG MaximumTransferSize;
} USBIO_INTERFACE_SETTING;
Members InterfaceIndex
Specifies the interface. The value is defined by the device. Refer to
the Universal Serial Bus Specification 1.1, Chapter 9 for more
information.
AlternateSettingIndex
Specifies the alternate setting to be set for this interface. The va lue is
defined by the device. Refer to the Universal Serial Bus Specification
1.1, Chapter 9 for more information.
MaximumTransferSize
Specifies the maximum size, in bytes, of data transfers to or from
endpoints of this interface. The value is user-defined and is valid for
all endpoints of this interface. If no special requirement exists a value
of 4096 (4K) should be used.
Comments This structure has to be used as an input for
IOCTL_USBIO_SET_INTERFACE (page 161) and
IOCTL_USBIO_SET_CONFIGURATION (page 159) requests.