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WRITE_REGISTER_UCHAR function (miniport.h)

  • Article

The WRITE_REGISTER_UCHAR routine writes a byte to the specified address.

Syntax

void WRITE_REGISTER_UCHAR(
  [in] volatile UCHAR *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 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)