CANopen Manager / Slave Manual - esd electronics, Inc.

canOpenReadDictionaryHnd()
Name: canOpenReadDictionaryHnd() - Reading a local directory entry
CANopen-Slave
Synopsis: int canOpenReadDictionary
(
HDICT HDict, /* handle of object-directory entry */
void * Data /* pointer to the data sink */
)
Description: By means of this function an entry, indexed by Hdict, in the local object directory
is read. This function can be called in every node status.
Data is a pointer to an address range of the application in which data is stored.
This memory range must have a capacity of at least 4 bytes. For numerical data
Data is a pointer to the data, for other types of data it is a pointer to a pointer to
the data.
Return: 0 or an error code as described in the appendix.
canOpenWriteDictionaryHnd()
Name: canOpenWriteDictionaryHnd() - Changing a local directory entry
Synopsis: int canOpenWriteDictionaryHnd
(
HDICT HDict, /* handle of object-directory entry */
void * Data /* pointer to data source */
)
Description: By means of this function an entry, indexed by Hdict, in the local object
directory is changed. If the entry is mapped on a PDO, the PDO data is
automatically actualized The function can be executed in every node status.
The kind of data referred to by Data depends on the according CANopen-variable
type and is explained under canOpenWritePDO.
Return: 0 or an error code as described in the appendix.
CANopen Slave Software Manual • Doc. No.: C.2002.21 / Rev. 2.2 Page 35 of 65