WDF_WRITE_PORT_ULONG function (wdfhwaccess.h)

[Applies to UMDF only]

The WDF_WRITE_PORT_ULONG function writes a ULONG value to the specified port address.

Syntax

VOID WDF_WRITE_PORT_ULONG(
 [in] WDFDEVICE Device,
 [in] PULONG Port,
 [in] ULONG Value
);

Parameters

[in] Device

A handle to a framework device object.

[in] Port

A pointer to the port, which must be a mapped memory range in I/O space.

[in] Value

Specifies a ULONG value to be written to the port.

Return value

None

Requirements