Siemens SIMATIC Ident Installation Manual page 22

Programming interface
4.1 Functions of the serial interface
ComWriteConfig
comInt
This function writes the configuration data for a specified port to the registry. The port does
not need to be opened.
Parameter
devName
conf
force
Return value
0
< 0
Notes
If the "force" parameter is set to "TRUE", the configuration data is adopted immediately even
if the interface is already open. If necessary, the interface is closed to allow this and then
opened again.
22
(LPCSTR devName,
ComWriteConfig
devConfig_p conf,
BOOL force)
Interface name as string
possible values: "COM1 ... COM255"
Pointer to configuration variable
Force the immediate adoption of the configuration
Function successfully completed
possible error message:
COM_REGISTRY
•
COM_NO_CONFIG
•
SIMATIC 3964R protocol for Windows 9x/XP/7
Installation Manual, 01/2013, J31069-D0131-U001-A2-7218