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