WDF_READ_REGISTER_BUFFER_UCHAR function

[Applies to UMDF only]

The WDF_READ_REGISTER_BUFFER_UCHAR function reads a number of bytes from the specified register address into a buffer.

Syntax


void WDF_READ_REGISTER_BUFFER_UCHAR(
  _In_   WDFDEVICE Device,
  _In_   PUCHAR   Register,
  _Out_  PUCHAR   Buffer,
  _In_   ULONG  Count 
);

Parameters

Device [in]

A handle to a framework device object.

Register [in]

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

Buffer [out]

A pointer to a buffer into which an array of UCHAR values is read.

Count [in]

Specifies the number of bytes to be read into the buffer.

Return value

This function does not return a value.

Requirements

Minimum support

Windows 8.1

Minimum UMDF version

2.0

Header

Wdfhwaccess.h

 

 

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