USB HOST DRIVER V03 Freescale Semiconductor / Motorola, USB HOST DRIVER V03 Datasheet - Page 42

• Manufacturer Part Number: USB HOST DRIVER V03
• Description: USB Host Driver v03
• Manufacturer: Freescale Semiconductor / Motorola

3.5.13. IOCTL_USB_SET_CONFIGURATION
Select specified configuration for a Device.
DeviceIoControl parameters:
lpInBuffer
Pointer to the buffer containing
structure. The buffer
USB_SET_CONFIGURATION_REQUEST
must be completely filled by caller.
nInBufferSize
Specify
input
buffer
size
in
bytes.
Must
be
equal
to
size
of
structure .
USB_SET_CONFIGURATION_REQUEST
lpOutBuffer
No output information will be returned. Must be NULL.
nOutBufferSize
No output information will be returned Must be 0.
Comments:
Within this request, the
request appears on the bus. Only the
SET_CONFIGURATION
configuration contained in descriptors can be used. This request can be used to configure
multiple interface Devices in a single call. Additionally, the caller can specify only the set
of interfaces that will be configured for a selected configuration. To invoke this request,
the Device must be in the unconfigured state. This request causes all of the status and
configuration values associated with endpoints in the affected interfaces, to be set to their
default values. Note, that to invoke this requests no pipe connections should be open on a
Device.
M
3-20
Programming Interface.
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE