opccallback | Event information for OPC Toolbox callbacks |
cleareventlog | Clear event log, discarding all events |
showopcevents | Event log summary for OPC Toolbox events |
ErrorFcn | Callback function file to execute when error event occurs |
EventLog | Event information log |
EventLogMax | Maximum number of events to store in event log |
ShutDownFcn | Callback function file to execute when OPC server shuts down |
TimerFcn | Callback function file to execute when predefined period passes |
TimerPeriod | Period between timer events |
CancelAsyncFcn | Callback function file to execute when asynchronous operation is canceled |
DataChangeFcn | Callback function file to execute when data change event occurs |
ReadAsyncFcn | Callback function file to execute when asynchronous read completes |
RecordsAcquiredFcn | Callback function file to execute when RecordsAcquired
event occurs |
RecordsAcquiredFcnCount | Number of records to acquire before RecordsAcquired event
occurs |
StartFcn | Callback function file to execute immediately before logging starts |
StopFcn | Callback function file to execute immediately after logging stops |
WriteAsyncFcn | Callback function file to execute when asynchronous write completes |
Use the Default Callback Function
Introduces events and callbacks by showing a simple example
Describes the information generated with each event and describes how to access it
Create and Execute Callback Functions
Describes how to write a callback function and associate it with an event callback
Defines all the event types supported by the toolbox