NdisWriteRegisterUchar is called by the miniport driver to write a UCHAR to a memory-mapped device register.
- 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 .
If a driver calls this function, a NIC's device registers must be mapped to noncached memory during driver initialization.
|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.|