Echelon FTXL - Manual (Page 169)

FTXL User’s Guide 157
Function Description
LonNvdDelete() Indicates a request to delete a non-volatile data
segment.
LonNvdDeserializeSegment() Indicates a request to update the FTXL device’s
control structures from the serialized application’s
data segment.
LonNvdEnterTransaction() Indicates a request to begin a transaction for the
non-volatile data segment.
LonNvdExitTransaction() Indicates a request to complete a transaction for the
non-volatile data segment.
LonNvdGetApplicationSegmentSize() Indicates a request to determine the number of
bytes required to store the application’s non-volatile
data segment.
LonNvdIsInTransaction() Indicates a request to determine if a transaction for
the non-volatile data segment was in progress
during the device’s previous shutdown.
LonNvdOpenForRead() Indicates a request to open a non-volatile data
segment for reading.
LonNvdOpenForWrite() Indicates a request to open a non-volatile data
segment for writing.
LonNvdRead() Indicates a request to read a section of a non-
volatile data segment.
LonNvdWrite() Indicates a request to write a section of a non-
volatile data segment.
LonNvdSerializeSegment() Indicates a request to create a serialized image of
the application’s non-volatile data segment.
The FTXL Operating System Abstraction Layer
The FTXL Developer’s Kit includes an operating system abstraction layer
(OSAL), which allows the FTXL LonTalk protocol stack and FTXL applications to
be ported to any operating system that is supported for the Nios II processor.
The example applications that are included with the FTXL Developer’s Kit
implement the FTXL OSAL for the Micrium μC/OS-II operating system. The
FTXL OSAL is provided as source code so that you can modify this
implementation to support other operating systems.
For detailed information about the FTXL OSAL, see the HTML API
documentation and the API source code: