Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
The WRITE_REGISTER_UCHAR routine writes a byte to the specified address.
Syntax
VOID WRITE_REGISTER_UCHAR(
_In_ PUCHAR Register,
_In_ UCHAR Value
);
Parameters
[in] Register
Pointer to the register, which must be a mapped range in memory space.
[in] Value
Specifies a byte to be written to the register.
Return value
None
Remarks
Callers of WRITE_REGISTER_UCHAR can be running at any IRQL, assuming the Register is resident, mapped device memory.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Available starting with Windows 2000. |
| Target Platform | Universal |
| Header | ioaccess.h (include Wdm.h, Ntddk.h, Ntifs.h, Ioaccess.h, Miniport.h, Wudfwdm.h) |
| Library | NtosKrnl.lib |
| DLL | NtosKrnl.exe |
| IRQL | Any level (see Remarks section) |