Ioctl_usbio_clear_feature, Universal usb device driver (usbio) – Motorola USB08 User Manual
Page 154
Designer Reference Manual
USB08 Evaluation Board
154
Universal USB Device Driver (USBIO)
MOTOROLA
Universal USB Device Driver (USBIO)
IOCTL_USBIO_CLEAR_FEATURE
The IOCTL_USBIO_CLEAR_FEATURE operation is used to clear or
disable a specific feature.
lpInBuffer
Pointer to a buffer that contains an USBIO_FEATURE_REQUEST
(
) data structure. This data structure has to be filled completely
by the caller.
nInBufferSize
Specifies the size, in bytes, of the buffer pointed to by
lpInBuffer
,
which has to be sizeof(USBIO_FEATURE_REQUEST) for this
operation.
lpOutBuffer
Not used with this operation. Set to NULL.
nOutBufferSize
Not used with this operation. Set to zero.
Comments
The CLEAR_FEATURE request appears on the bus with the parameters
specified in the IOCTL_USBIO_CLEAR_FEATURE structure.