Error And Status Messages - Siemens SIMATIC Ident Installation Manual

4.2

Error and status messages

Messages returned by the functions described in the previous section can be divided into
three classes:
● Positive status messages
● Status error messages
● System error messages
The following error codes are defined in the header file "3964r.h".
Positive status messages
Used by:
The status messages are returned when:
● an operation was completed successfully
● an event was not evaluated as an error
Status messages
COM_ST_FREE
COM_ST_BUSY
COM_ST_SUCCESS
SIMATIC 3964R protocol for Windows 9x/XP/7
Installation Manual, 01/2013, J31069-D0131-U001-A2-7218
• ComReadState
• ComWriteState
Everything OK, no job present
A job is currently being processed, no error has occurred up to now.
The last operation was completed successfully.
Programming interface
4.2 Error and status messages
23