WDF_WRITE_PORT_UCHAR function

[Applies to UMDF only]

The WDF_WRITE_PORT_UCHAR function writes a byte to the specified port address.

Syntax


void WDF_WRITE_PORT_UCHAR(
  _In_  WDFDEVICE Device,
  _In_  PUCHAR   Port,
  _In_  UCHAR Value
);

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.

Value [in]

Specifies a byte to be written to the port.

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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