Fix handling updates with 'Uncertain' status

bkuner / opcUaUnifiedAutomation

EPICS opcUa device support with Unified Automation C++ based client sdk.

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Fix handling updates with 'Uncertain' status #21

Closed ralphlange closed 7 years ago

ralphlange commented 7 years ago

This fixes issues with variables from a WinCC OA server never updating because of their 'Uncertain' status. (In this case: UncertainInitialValue.)

Basically, in the context of data updates, 'Uncertain' is now being treated the same as 'Good'. See #14 for a suggestion of how to interface status properly.