WDF_WRITE_PORT_UCHAR function (wdfhwaccess.h)

[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

[in] Device

A handle to a framework device object.

[in] Port

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

[in] Value

Specifies a byte to be written to the port.

Return value

None

Requirements

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