Hardware Dev Center

WDF_WRITE_PORT_BUFFER_ULONG function

[Applies to UMDF only]

The WDF_WRITE_PORT_BUFFER_ULONG function writes a number of ULONG values from a buffer to the specified port address.

Syntax


void WDF_WRITE_PORT_BUFFER_ULONG(
  _In_ WDFDEVICE Device,
  _In_ PULONG    Port,
  _In_ PULONG    Buffer,
  _In_ ULONG     Count 
);

Parameters

Device [in]

A handle to a framework device object.

Port [in]

A pointer to the port, which must be a mapped memory range in I/O space.

Buffer [in]

A pointer to a buffer from which an array of ULONG values is to be written.

Count [in]

Specifies the number of ULONG values to be written to the buffer.

Return value

This function does not return a value.

Requirements

Target platform

Universal

Minimum support

Windows 8.1

Minimum UMDF version

2.0

Header

Wdfhwaccess.h

 

 

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