Ioctl_usbio_get_status – Motorola USB08 User Manual
Page 155
Universal USB Device Driver (USBIO)
Programming Interface
USB08 Evaluation Board
Designer Reference Manual
MOTOROLA
Universal USB Device Driver (USBIO)
155
IOCTL_USBIO_GET_STATUS
The IOCTL_USBIO_GET_STATUS operation requests status for a
specific recipient.
lpInBuffer
Pointer to a buffer that contains an USBIO_STATUS_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_STATUS_REQUEST) for this operation.
lpOutBuffer
Pointer to a buffer that will receive an
USBIO_STATUS_REQUEST_DATA (
) data structure.
nOutBufferSize
Specifies the size, in bytes, of the buffer pointed to by lpOutBuffer,
which has to be at least sizeof(USBIO_STATUS_REQUEST_DATA) for
this operation.
Comments
The GET_STATUS request appears on the bus with the parameters
specified in the USBIO_STATUS_REQUEST (
) structure. The
function returns the structure USBIO_STATUS_REQUEST_DATA
(
) which contains two bytes of data.