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https://issues.apache.org/jira/browse/PLC4X-202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17126562#comment-17126562
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Alessandro Rossignoli commented on PLC4X-202:
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I had a look at the docs: [https://plc4x.apache.org/users/protocols/opc-ua.html]
Looking at the *"Write value of an PLC value"* paragraph, it looks like the
whole typing is already addressed.
I don't know if this is already implemented in the driver but I will have a
look and do some more testing, as a matter of fact I was simply copy/pasting
the addresses from the server and expecting the library to work as it is for
reading: without explicitly writing the type :) If that's working I think that
the whole issue is already solved.
I will keep you updated.
> OPC-UA Driver cannot write Unsigned Types
> -----------------------------------------
>
> Key: PLC4X-202
> URL: https://issues.apache.org/jira/browse/PLC4X-202
> Project: Apache PLC4X
> Issue Type: Bug
> Components: Driver-OPC-UA
> Affects Versions: 0.7.0
> Reporter: Alessandro Rossignoli
> Priority: Major
>
> Currently, unsigned types are not supported in writing direction from the
> driver although they are fully supported by Eclipse Milo and in reading.
> Actually I have applied a modification and tested it to be able to support
> these types. It is kind of the same patch applied for BigIntegers but done
> introducing UShort and UInteger from Eclipse Milo.
> The downside is that every driver will use the Eclipse Milo types, being the
> JVM missing unsigned types. I don't know if you have a better solution or if
> using Milo types in all the drivers is acceptable for you.
> I am open for suggestions :)
>
> (PS. when I will complete all the testing I will create 3 separate PR for
> issue #200, #201 and this one)
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