PublishDBIRTHEntry := FALSE;
AllMetricsList := AllMetricsList );
IF DBIRTHError <> ERROR.NO_ERROR THEN
WriteDeviceLog( gc_sparkplug.CMP_EDGE,
CmpLog.LogClass.LOG_ERROR,
'Publish DBIRTH Error: %s',
TO_STRING( DBIRTHError ) );
RETURN;
END_IF
_SparkplugB.Encode( Enable := TRUE );
REPEAT
_SparkplugB( AllmetricsList := AllMetricsList );
The DBIRTH is responsible for informing the backend system of all of the information about the device.
The following is a representation of a simple DBIRTH message on the topic:
In the topic above the following information is known based on the Sparkplug
topic definition:
The host
EoN node ID
of this device is: Raspberry Pi
The
Device ID
is: Pibrella
This is an DBIRTH message from the device
*)
{attribute 'hide'}
METHOD PublishDBIRTHEntry : BOOL
VAR_IN_OUT
AllMetricsList : LIST;
END_VAR
VAR_OUTPUT
EncodeError : BOOL := FALSE;
Encode_eError : ERROR;
VAR_STAT
DBIRTHError : ERROR;
DBIRTHTopic : WSTRING;
EncodeDone : BOOL := FALSE;