WDF_USB_PIPE_DIRECTION_OUT - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// wdfusb.h

BOOLEAN WDF_USB_PIPE_DIRECTION_OUT(
  [in] UCHAR EndpointAddress
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-wdfusb-wdf_usb_pipe_direction_out)

WDF_USB_PIPE_DIRECTION_OUT function

Description

[Applies to KMDF and UMDF]

The WDF_USB_PIPE_DIRECTION_OUT function determines whether a specified USB endpoint is an output endpoint.

Parameters

EndpointAddress [in]

A USB endpoint address.

Return value

WDF_USB_PIPE_DIRECTION_OUT returns TRUE if the specified endpoint is an output endpoint. Otherwise, this function returns FALSE.

Remarks

The high bit of the endpoint address determines the direction (input or output) of an endpoint. For more information about endpoint addresses, see the USB specification.

For more information about the WDF_USB_PIPE_DIRECTION_OUT function and USB I/O targets, see USB I/O Targets.

See also

WDF_USB_PIPE_DIRECTION_IN

WdfUsbTargetPipeIsOutEndpoint

View the official Windows Driver Kit DDI reference

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