Echelon OpenLDV - Manual (Page 52)

44 Using the OpenLDV API
LdvDriverType Enumeration
Table 28 describes the enumerated values for the LdvDriverType driver type.
The driver type describes the driver type of an associated network interface.
LdvDriverType enumeration values less than 127 define types of Echelon
network interface drivers. To define your own network interface type, use an
enumeration value greater than 128.
Table 28. OpenLDV Driver Type (LdvDriverType)
Driver Type
Numeric
Value Description
LDV_DRIVERTYPE_UNKNOWN 0 An unknown network interface type, or a
type that cannot be determined
LDV_DRIVERTYPE_LNI 1 A local network interface driver
(Windows)
LDV_DRIVERTYPE_RNI 2 A remote network interface driver
(xDriver)
LDV_DRIVERTYPE_USB 3 A USB LonTalk Adapter driver
LDV_DRIVERTYPE_STD_MAX 127 The maximum enumeration value for
Echelon network interface types
Windows Messages for Session Notifications
Table 29 describes the defined values for the Windows messages for session
change notifications used by the ldvx_open() and ldvx_register_window()
functions.
Table 29. Windows Messages for Session Change Notifications
Message Definition Value
LDVX_WM_CLOSED LDVX_APP + 0 34408
LDVX_WM_CONNECTING LDVX_APP + 1 34409
LDVX_WM_ESTABLISHED LDVX_APP + 2 34410
LDVX_WM_FAILED LDVX_APP + 3 34411
LDVX_WM_DETACHED LDVX_APP + 4 34412
LDVX_WM_ATTACHED LDVX_APP + 5 34413
Note: LDVX_APP is defined as 34408 (WM_APP + 1640).