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 READ_REGISTER_UCHAR routine reads a byte from the specified register address.
Syntax
UCHAR READ_REGISTER_UCHAR(
[in] volatile UCHAR *Register
);
Parameters
[in] Register
Pointer to the register address, which must be a mapped range in memory space.
Return value
READ_REGISTER_UCHAR returns the byte read from the specified register address.
Remarks
Callers of READ_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 | miniport.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) |