Motorola USB08 - Manual (Page 194)

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 value 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.