Wafa,
thanks for the update. I have been meaning to do a micro release of the Java
LLRP Toolkit library for some time now that includes the latest bug fixes
already in svn. I will do that once we sorted out the other issues reported on
the mailing list in the last couple of days.
- Christian
On Oct 18, 2010, at 11:37 AM, <[email protected]> wrote:
> Hello again,
>
> In addition of the bug mentionned by Fabio, there was a bug in the function
> matchTag in RifidiEmulator. I modify the code and now it works.
>
> Regards,
> Wafa.
>
> De : [email protected] [mailto:[email protected]]
> Envoyé : jeudi 14 octobre 2010 15:14
> À : [email protected]
> Objet : Re: [ltk-d] Filtering in an AccessSpec doesn't work ?
>
> Fabio,
>
> Thank you for your answer but it still doesn't work.
>
> I've build the "ltkjava 1.0.0.7" integrating the Impinj extensions and I've
> already detect the problem of swaped MB. If you write :
> MB=1 in the AccessSpec ===> Fosstrak swapped into MB=2 ===> Rifidi
> retrieve the TID memory
>
> That's why I write :
> MB=2 in the AccessSpec ===> Fosstrak swapped into MB=1 ===> Rifidi retrieve
> the EPC memory
> So, I'm sure that Rifidi retrieve the right part of the tag meaning the "EPC
> memory". But, still it doesn't filter on the right tag :-(
>
> If you have any example of C1G2TargetTag tested with a TargetMask & TargetTag
> that works, it will be great for me !!!
>
> I'm still waiting for an answer from the Rifidi community (bug in Rifidi ?)
>
> Regards,
> Wafa.
>
> De : Fabio Bondioli [mailto:[email protected]]
> Envoyé : jeudi 14 octobre 2010 14:14
> À : LLRP Toolkit Development List
> Objet : Re: [ltk-d] Filtering in an AccessSpec doesn't work ?
>
> There is a bug in the current Java Implementation (1.0.0.6) used by fosstrak.
> TwoBitField class swaps bit order so bank 1 became bank 2, and you are
> actually filtering on TID bank, not on EPC bank
> I've spotted it near a year ago in this mailing list. The sources available
> on svn are updated and have this bug fixed.
> I've build a "1.0.0.7 with impinj extensions" version of the jar from
> sources, renamed it to match the "1.0.0.6" and replaced the jar used under
> eclipse by fosstrack. This way fosstrack is behaving as expected
>
> It seems to me that the java version of the LLRP protocol is used by very few
> people and not developed/tested as much as other versions. You should link to
> svn and build it by yourself if you want a more stable build.
>
> Best regards
>
> Fabio.
>
>
>
>
>
> 2010/10/14 <[email protected]>
> Hello,
>
> I have created a RifidiTag with the following EPC code : 00 00 00 00 30 74
> 02 18 44 01 06 40 07 30 04 6D
> I want to send a llrp-message from Fosstrak to write in the UserMemory of
> this specific tag.
> So I define an Rospec and an AccessSpec to filter on this tag. Below the
> defined AccessSpec :
>
> <?xml version="1.0" encoding="UTF-8"?>
> <llrp:ADD_ACCESSSPEC
> xmlns:llrp="http://www.llrp.org/ltk/schema/core/encoding/xml/1.0";
> xmlns:Impinj="http://developer.impinj.com/ltk/schema/encoding/xml/1.0";
> Version="1" MessageID="5">
>
> <llrp:AccessSpec>
> <llrp:AccessSpecID>1</llrp:AccessSpecID>
> <llrp:AntennaID>0</llrp:AntennaID>
> <llrp:ProtocolID>EPCGlobalClass1Gen2</llrp:ProtocolID>
> <llrp:CurrentState>Disabled</llrp:CurrentState>
> <llrp:ROSpecID>1</llrp:ROSpecID>
> <llrp:AccessSpecStopTrigger>
>
> <llrp:AccessSpecStopTrigger>Operation_Count</llrp:AccessSpecStopTrigger>
> <llrp:OperationCountValue>1</llrp:OperationCountValue>
> </llrp:AccessSpecStopTrigger>
> <llrp:AccessCommand>
> <llrp:C1G2TagSpec>
> <llrp:C1G2TargetTag>
> <llrp:MB>2</llrp:MB>
> <llrp:Match>1</llrp:Match>
> <llrp:Pointer>32</llrp:Pointer>
> <llrp:TagMask>ffffffffffffffffffffffff</llrp:TagMask>
> <llrp:TagData>30740218440106400730046d</llrp:TagData>
> </llrp:C1G2TargetTag>
> </llrp:C1G2TagSpec>
> <llrp:C1G2Write>
> <llrp:OpSpecID>1</llrp:OpSpecID>
> <llrp:AccessPassword>0</llrp:AccessPassword>
> <llrp:MB>3</llrp:MB>
> <llrp:WordPointer>0</llrp:WordPointer>
> <llrp:WriteData>0011 000A 2000 0419 0730 046D 0100</llrp:WriteData>
> </llrp:C1G2Write>
> </llrp:AccessCommand>
> <llrp:AccessReportSpec>
>
> <llrp:AccessReportTrigger>End_Of_AccessSpec</llrp:AccessReportTrigger>
> </llrp:AccessReportSpec>
> </llrp:AccessSpec>
> </llrp:ADD_ACCESSSPEC>
>
>
> But, it doesn't filter on this tag.
>
> Where is the problem ? the definition of the filter is wrong or there is a
> bug in Rifidi Toolkit (I'll also post this mail in the Rifidi Community) ?
>
> Can you just tell me if I have understood correctly the use of filtering in
> AccessSpec to retrieve this tag ?
>
> Thank you in advance for your help.
> Wafa.
>
>
> Wafa SOUBRA
> Orange Labs
> 905, rue Albert Einstein
> 06921 - Sophia Antipolis Cedex
> [email protected]
>
>
>
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>
> --
> Fabio Bondioli
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