I've done some investigation and found the reason for the error.
It's not related to firmware version.
It's caused by the reader reporting a value of 52 for the
C1G2SpectralMaskIndicator Parameter that according to llrp 1.0.1
specifications should be in range 0-3
I think I've to ask to Impinj people...
Best Regards
Fabio
Fabio Bondioli ha scritto:
> Hi,
> I've used with success the LTKJava version until now. Today I've
> received a brand-new Impinj Revolution Reader and with my great suprise
> the ltkJava cannot comunicate any-more with the reader!
>
> Actually it fails calling GET_READER_CAPAILITIES
>
> The returned error is: org.apache.mina.filter.codec.ProtocolDecoderException
>
> I think is something related to the new Firmware release that is
> available into this model. Same model-old firmware worked great until
> today...
>
> This is the code I run:
>
> GET_READER_CAPABILITIES readerCap = new GET_READER_CAPABILITIES();
> readerCap.setMessageID(new UnsignedInteger(1));
>
> readerCap.setRequestedData(new
> GetReaderCapabilitiesRequestedData(GetReaderCapabilitiesRequestedData.All));
> //readerCap.setRequestedData(new
> GetReaderCapabilitiesRequestedData(GetReaderCapabilitiesRequestedData.Regulatory_Capabilities));
> System.out.println("REQ CAP:\n" + readerCap.toXMLString()
> +"\n\n");
>
> GET_READER_CAPABILITIES_RESPONSE readerCapReply =
> (GET_READER_CAPABILITIES_RESPONSE)readerConnection.transact(readerCap);
>
> It hangs on this last call (transact) and the errorOccurred callback
> function is called (async) with
> org.apache.mina.filter.codec.ProtocolDecoderException but the transact
> call never ends
>
> Is there anything I can try?
>
> Best Regards
>
> Fabio
>
>
>
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