Smart Reader Operation Protocol and API TLV data TagId
April 13, 2023 at 2:39 AMTagId (T=C2)
Context
When the reader has read a tag, it sends its data within a Reader tag event or an Inventory response.
Either message DOES contain an instance of this TagId T,L,V that conveys the protocol level ID (UID, PUPI, DIV…) of the NFC/RFID tag.
Content of Value field
The raw protocol level ID (UID, PUPI, DIV…) of the NFC/RFID tag.
The length depends on the protocol (4, 7, or 10 bytes for NFC-A, 4 for NFC-B, 8 for NFC-V and NFC-F, etc).