Maurizio,

LLRP writes happen using access specs.  You need to build and add an access 
spec that is programmed to perform the write operation on the tag.  

Then, when you add the Inventory (ROSpec), the access should happen.

I believe the .NET sample has AddAccessSpec and EnableAccessSpec messages/code 
that you can use as an example.

Regards

Paul



-----Original Message-----
From: [email protected] [mailto:[email protected]] 
Sent: Monday, July 13, 2009 6:51 AM
To: [email protected]
Subject: [ltk-d] Write operation help

Hi, I'm an italian student. I'm working on a project for my degree thesis.
I'm 
in trouble, I have done the reading part but now I have some problem to develop 
a simple c# code to write on a tag with Impinj Reader.
Could you tell me which 
messages I need to use (I read Low Level Reader Protocol (LLRP), Version 1.0.1 
but I have some problems)? Have you any sample program to have a trace?
Thanks 
in advance.

Maurizio Ferrando


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