I have been trying to use the LLRP Hello world program. I used javac on
command line to get the class file from the .java file but when I try to
execute it using the java command i get a "main" missing error. Do I need to
write my own main function? What should it contain?
On Wed, Nov 25, 2009 at 9:06 AM, Paul Dietrich <[email protected]>wrote:
> LLRP defines tag seen count as the number of times the reader has seen
> the tag. If you were to add up all the tagSeenCounts for all the tag
> reports and then divide by report interval (10 seconds in your case), you
> would know the read rate in observations/second.
>
>
>
>
>
>
>
>
>
>
> ------------------------------
>
> *From:* Atul Ingle [mailto:[email protected]]
> *Sent:* Tuesday, November 24, 2009 3:23 PM
> *To:* LLRP Toolkit Development List
> *Subject:* Re: [ltk-d] LLRP with Impinj Speedway
>
>
>
> Hello,
>
> Thanks for the help. I'm getting to grips with LLRP commander to log the
> tag ID and readrate/RSSI data. I am using a 10second delay stop trigger for
> ROSpecStopTrigger and I get an RO_ACCESS_REPORT which contains the tag ID
> and RSSI. But I'm not too sure what TagSeenCount exactly means. Can I use it
> to calculate the read rate? I tried increasing the receiver sensitivity and
> transmitter power level but it doesn't affect the RSSI or the TagSeenCount
> in any way. What I would like to log is the "Read Rate" values I get when I
> use the web interface for the Speedway reader using RFIDemo.
>
> Thanks again,
> Atul Ingle
>
> On Thu, Nov 19, 2009 at 3:25 AM, Bashir Khoshnevis <[email protected]> wrote:
>
> Hi Atul
>
>
>
> Here is my sample code for Impinj Speedway ( c#.net )
>
> http://bash.ir/RF_IV/GUIDemo.zip
>
>
>
>
>
>
>
> On Thu, Nov 19, 2009 at 2:56 AM, Christian Floerkemeier <[email protected]>
> wrote:
>
>
> Atul,
>
> Example code that shows how to use the java implementation of the LLRP
> toolkit can be found in the wiki:
>
> http://sourceforge.net/apps/mediawiki/llrp-toolkit/index.php?title=LTKJava
>
> If you don't want to write any Java code, you can also use the Fosstrak
> LLRP Commander (http://www.fosstrak.org/llrp) that uses LTKJava and logs
> all individual TAG_REPORT_DATA parameters in RO_ACCESS_REPORT messages
> to a SQL database (either a built-in one or a DB of your choice). You
> can then just use the built-viewer to check the "cumulative read number"
> or issue SQL statements over the TAG_REPORT_DATA parameters to
> determine the number of reads.
>
> Christian
>
>
> Atul Ingle wrote:
> > Hello,
> > I am using the Impinj Speedway R1000 reader.
> > I have to make a program code which can get information about individual
> > tags (tag ID and number of reads) and write it to a log file. So far I
> > have been using the reader command line with a serial interface to get
> > the "cumulative" read number for all tags around the antenna. But the
> > serial interface does not give me any info about tag IDs.
> > Where do I get started writing a Java code to do this?
> > Thanks,
> > Atul Ingle
> >
> > --
> > Atul Ingle
>
> > RFID Project Assistant | www.uwrfidlab.org <http://www.uwrfidlab.org>
> > UW E-Business Consortium | www.uwebc.org <http://www.uwebc.org>
> > University of Wisconsin-Madison | www.wisc.edu <http://www.wisc.edu>
>
> > Ph# 1-408-823-7537
> >
> >
>
> > ------------------------------------------------------------------------
> >
> >
> ------------------------------------------------------------------------------
> > Let Crystal Reports handle the reporting - Free Crystal Reports 2008
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> >
> >
> > ------------------------------------------------------------------------
> >
> > _______________________________________________
> > llrp-toolkit-devel mailing list
> > [email protected]
> > https://lists.sourceforge.net/lists/listinfo/llrp-toolkit-devel
>
>
>
> ------------------------------------------------------------------------------
> Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day
> trial. Simplify your report design, integration and deployment - and focus
> on
> what you do best, core application coding. Discover what's new with
> Crystal Reports now. http://p.sf.net/sfu/bobj-july
> _______________________________________________
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> [email protected]
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>
>
> --
> .,•'`
>
>
>
> ------------------------------------------------------------------------------
> Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day
> trial. Simplify your report design, integration and deployment - and focus
> on
> what you do best, core application coding. Discover what's new with
> Crystal Reports now. http://p.sf.net/sfu/bobj-july
> _______________________________________________
> llrp-toolkit-devel mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/llrp-toolkit-devel
>
>
>
>
> --
> Atul Ingle
> RFID Project Assistant | www.uwrfidlab.org
> UW E-Business Consortium | www.uwebc.org
> University of Wisconsin-Madison | www.wisc.edu
> Ph# 1-408-823-7537
>
>
> ------------------------------------------------------------------------------
> Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day
> trial. Simplify your report design, integration and deployment - and focus
> on
> what you do best, core application coding. Discover what's new with
> Crystal Reports now. http://p.sf.net/sfu/bobj-july
> _______________________________________________
> llrp-toolkit-devel mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/llrp-toolkit-devel
>
>
--
Atul Ingle
RFID Project Assistant | www.uwrfidlab.org
UW E-Business Consortium | www.uwebc.org
University of Wisconsin-Madison | www.wisc.edu
Ph# 1-408-823-7537
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