Edit

Share via

WRITE_PORT_USHORT function (wdm.h)

  • Article

The WRITE_PORT_USHORT routine writes a USHORT value to the specified port address.

Syntax

NTHALAPI VOID WRITE_PORT_USHORT(
  [in] PUSHORT Port,
  [in] USHORT  Value
);

Parameters

[in] Port

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

[in] Value

Specifies a USHORT value to be written to the port.

Return value

None

Remarks

Callers of WRITE_PORT_USHORT can be running at any IRQL, assuming the Port is resident, mapped device memory.

Requirements

Requirement Value
Minimum supported client Available starting with Windows 2000.
Target Platform Universal
Header wdm.h (include Wdm.h, Ntddk.h, Ntifs.h, Ioaccess.h, Miniport.h)
Library Hal.lib
IRQL Any level (see Remarks section)