The AccessSpec result should be attached to the TagReportData
that was generated at the time the tag was under control of
the reader.
Such TagReportData can be delivered immediately (end of AccessSpec)
or when the RO_ACCESS_REPORT is delivered.
The count in the AccessSpec has nothing to do with reporting.
It is how many times the AccessSpec is executed before it is
automatically deleted. If the count is 10 and reporting is
immediate, you can expected 10 RO_ACCESS_REPORTs each with
a single TagReportData containing the AccessSpec result.
I hope this helps.
Regards,
-gww
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
Kyle
Sent: Tuesday, October 16, 2007 9:03 PM
To: LLRP Toolkit Development List
Subject: [ltk-d] Access Reports
I am having a bit of trouble understanding the relationship between an
accessreport and a roreport. From what I understand, each tag seen as a
result of an AISpec generates a tagReportData. Then, a roreport (which
is a collection of tagReportData params) can be sent at one of several
times (at the end of an AISpec, at the end of a ROSpec, or after N tags
have been seen).
What I don't understand is how access operations affect this. If an
access operation is performed on a tag, should the results of it go on
the same tagReportData parameter that was generated because of the AI?
The LLRP Spec seems to indicate so: "If there was an access operation
performed on the tag, the results of the OpSpecs are mandatory in the
report." However, accessreports can be set to send either after N
accessspecs have been executed or after the rospec is done that the
access specs were contained in. This seems to conflict with the access
spec results being a part of the tagReportData generated by the aispec.
For example, suppose the reader can see one tag. Suppose RoReports are
set to send after every AISpec. Suppose that accessReports are set to
be sent after every 1 accessSpec is executed. The reader executes the
aispec and an access spec operation on the tag. Should one report be
sent out, or two? If just one, should it be sent out after the access
operation or after the AI?
Thanks,
Kyle
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