NdisReadPortUchar function
Note NDIS 5. x has been deprecated and is superseded by NDIS 6. x. For new NDIS driver development, see Network Drivers Starting with Windows Vista. For information about porting NDIS 5. x drivers to NDIS 6. x, see Porting NDIS 5.x Drivers to NDIS 6.0.
NdisReadPortUchar is called by the miniport driver to read a UCHAR from a NIC's I/O port.
Syntax
VOID NdisReadPortUchar(
_In_ NDIS_HANDLE NdisAdapterHandle,
_In_ ULONG Port,
_Out_ PUCHAR Data
);
Parameters
NdisAdapterHandle [in]
Specifies the handle that the NDIS interface library associates with the network interface card.Port [in]
Specifies the I/O port.Data [out]
Pointer to the caller-supplied variable in which this function returns the byte read from Port.
Return value
None
Requirements
Target platform |
Desktop |
Version |
Not supported for NDIS 6.0 drivers in Windows Vista. Supported for NDIS 5.1 drivers (see NdisReadPortUchar (NDIS 5.1)) in Windows XP. |
Header |
Ndis.h (include Ndis.h) |
IRQL |
Any level |
See also