WDF_READ_PORT_UCHAR function

[Applies to UMDF only]

The WDF_READ_PORT_UCHAR function reads a byte from the specified port address.

Syntax

UCHAR WDF_READ_PORT_UCHAR(
  WDFDEVICE Device,
  PUCHAR    Port
);

Parameters

Device

A handle to a framework device object.

Port

Specifies the port address, which must be a mapped memory range in I/O space.

Return Value

WDF_READ_PORT_UCHAR returns the byte that is read from the specified port address.

Requirements

   
Windows version Windows 8.1
Target Platform Universal
Minimum UMDF version 2.0
Header wdfhwaccess.h