NdisWriteRegisterUchar function

NdisWriteRegisterUchar is called by the miniport driver to write a UCHAR to a memory-mapped device register.

Syntax


VOID NdisWriteRegisterUchar(
  _In_  PUCHAR Register,
  _In_  UCHAR Data
);

Parameters

Register [in]

Pointer to the memory-mapped register. This virtual address must fall within a range returned by an initialization-time call to NdisMMapIoSpace.

Data [in]

Specifies the caller-supplied UCHAR that this function transfers to the Register .

Return value

None

Remarks

If a driver calls this function, a NIC's device registers must be mapped to noncached memory during driver initialization.

Requirements

Version

Supported for NDIS 6.0 and NDIS 5.1 drivers (see NdisWriteRegisterUchar (NDIS 5.1)) in Windows Vista. Supported for NDIS 5.1 drivers (see NdisWriteRegisterUchar (NDIS 5.1)) in Windows XP.

Header

Ndis.h (include Ndis.h)

IRQL

Any level

See also

MiniportInitializeEx
NdisMMapIoSpace
NdisReadRegisterUchar
NdisWriteRegisterUlong
NdisWriteRegisterUshort

 

 

Send comments about this topic to Microsoft

表示:
© 2014 Microsoft