UdecxUrbRetrieveControlSetupPacket function (udecxurb.h)

Retrieves a USB control setup packet from a specified framework request object.

Syntax

NTSTATUS UdecxUrbRetrieveControlSetupPacket(
  [in]  WDFREQUEST                    Request,
  [out] PWDF_USB_CONTROL_SETUP_PACKET SetupPacket
);

[in] Request

A handle to a framework request object that represents the request containing the setup packet.

[out] SetupPacket

A WDF_USB_CONTROL_SETUP_PACKET structure that receives a setup packet describing the USB control transfer.

The method returns STATUS_SUCCESS if the operation succeeds. Otherwise, this method might return an appropriate NTSTATUS error code.

The client driver can inspect contents of the setup packet to determine the standard control request that is sent to the device.

To complete the request, the driver must call UdecxUrbCompleteWithNtStatus.