Echelon OpenLDV - Manual (Page 23)

OpenLDV Programmer’s Guide 15
The OpenLDV API
This section describes the functions included in the OpenLDV API. Table 3
summarizes these functions. See Structures and Enumerations for the Driver
API on page 42 for descriptions of the structures and enumerations used by the
OpenLDV API. See OpenLDV API Return Codes on page 44 for descriptions of
the return codes.
Table 3. OpenLDV API Functions
Function Description
Added in
OpenLDV
Version
ldv_close() Closes an open session. 1.0
ldv_free_device_info() Releases the resources allocated by a
call to ldv_get_device_info() or
ldv_get_matching_devices().
2.0
ldv_free_driver_info() Releases the resources allocated by a
call to ldv_get_driver_info().
2.0
ldv_free_matching_devices() Releases the resources allocated by a
call to
ldv_get_matching_devices().
2.0
ldv_get_device_info() Retrieves information about a
L
ON
W
ORKS
interface device.
2.0
ldv_get_driver_info() Retrieves information about a
L ON W ORKS interface device driver
class.
2.0
ldv_get_matching_devices() Retrieves information about the
L ON W ORKS interface devices that
match a set of capabilities.
2.0
ldv_get_version() Retrieves the version number of the
OpenLDV API.
1.0
ldv_locate_sicb() Locates the SICB portion of the data
within an LdvEx (or SICB)
formatted message, if present.
2.0
ldv_open() Opens a network interface device. 1.0
ldv_open_cap() An extended version of ldv_open()
and ldvx_open() that additionally
allows the caller to request specific
capabilities for the device.
2.0