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WRITE_REGISTER_UCHAR routine

The WRITE_REGISTER_UCHAR routine writes a byte to the specified address.

Syntax

C++
Copy 

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

Version

Available starting with Windows 2000.

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

Library
Contained in Ntoskrnl.lib.

IRQL

Any level (see Remarks section)

 

 

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Build date: 5/22/2013

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