Dear all,
I encounter some difficulty when i'm dealing with T=1 protocol, follow are some questions that i would need help.
1. For the S-Block Waiting Time Extension Request, will the period of time extension always the same every time it is requested (for same card)?
2. Under what
circumstances a card will send a S-Block IFS request to the reader/terminal? If there is a S-Block IFS Request from the card to the reader, will the IFS requested always the same or it depend on the size of response that it would like to sent from the card to reader correspond to the command sent from the reader to the card?
3. How to actually define a block as invalid block. Any error will make it invalid block?
4. When i receive an invalid block in response R-Block, I retransmit the R-Block. However, when I receive an invalid block in response to a I-Block/S-Block, what should i do?
Regards,
jackie wong
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