WRITE_REGISTER_UCHAR routine

The WRITE_REGISTER_UCHAR routine writes a byte to the specified address.

Syntax


VOID WRITE_REGISTER_UCHAR(
  _In_ PUCHAR Register,
  _In_ UCHAR  Value
);

Parameters

Register [in]

Pointer to the register, which must be a mapped range in memory space.

Value [in]

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

Target platform

Universal

Version

Available starting with Windows 2000.

Header

Wdm.h (include Wdm.h, Ntddk.h, or Ntifs.h)

Library

NtosKrnl.lib

DLL

NtosKrnl.exe

IRQL

Any level (see Remarks section)

 

 

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