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Which frame (function) does inform that rf card is put against pn532 or rf card is just not present?

Question asked by Marcin Gluza on Aug 30, 2018
Latest reply on Sep 4, 2018 by Marcin Gluza

Hello

I would like to know which frame(function) will inform that an rf card is put against pn532 or just is not present.

The situation I have :

asking in the loop "D4 4A" (inListPassiveTarget) gives me always a response informing about last read rf card but  this card is already not present over pn532 at the moment. So in this time I should take another process but how to get information that card is not present over pn532?

 

Best regards,

Martin

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