Motorola USB08 - page 152

Designer Reference Manual USB08 Evaluation Board
152 Universal USB Device Driver (USBIO) MOTOROLA
Universal USB Device Driver (USBIO)
IOCTL_USBIO_SET_DESCRIPTOR
The IOCTL_USBIO_SET_DESCRIPTOR operation sets a specific
descriptor of the device.
lpInBuffer Pointer to a buffer that contains an USBIO_DESCRIPTOR_REQUEST
(page 187) data structure. This data structure has t o be f illed compl etely
by the caller.
nInBufferSize Specifies the size, in bytes, of the buffer pointed to by lpInBuffer,
which has to be sizeof(USBIO_DESCRIPTOR_REQUEST) for this
operation.
lpOutBuffer Pointer to a buffer that contains the descriptor data to be set.
nOutBufferSize Specifies the size, in bytes, of the buffer pointed to by lpOutBuffer.
Comments USB devices do not have to support this operation.