Echelon OpenLDV User Manual

Page 49

OpenLDV Programmer’s Guide

Device Capability

Numeric

Value

Description

LDV_DEVCAP_XDRIVER

0x00000040 The device is an xDriver-based

device.
The network interface is

physically remote from the

host computer.

LDV_DEVCAP_SICB

0x00000100 The device uses SICB-

formatted packets.

LDV_DEVCAP_LDVEX

0x00000200 The device uses LdvEx-

formatted packets.

LDV_DEVCAP_NOSTATUS

0x00000800 The device does not support

the niSTATUS command.

LDV_DEVCAP_SWITCHABLE

0x00001000 The device can switch between

operations as a Layer 5 or a

Layer 2 network interface.

LDV_DEVCAP_ATTACHABLE

0x00002000 The device can be attached or

detached from the host

computer, for example, by

connecting to or disconnecting

from a USB hub.
You can receive attachment

and detachment notifications

for this device by registering a

Windows handle using the

ldvx_register_window()

function.

LDV_DEVCAP_CURRENTLY_L5

0x00010000 The device is currently

operating as a Layer 5

network interface.

LDV_DEVCAP_CURRENTLY_L2

0x00020000 The device is currently

operating as a Layer 2

network interface.

LDV_DEVCAP_CURRENTLY_ATTACHED 0x20000000 The device is currently

attached to the host computer.
This capability applies to

devices that can be physically

removed and maintain their

device entries remain. Such

devices include U10 and U20

USB network interfaces.