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TRF7970A: NFC Tool GUI Remove NDEF

John Zigrang
Intellectual 530 points
Part Number: TRF7970A

Is there a way to reset the TAG back to raw format?

And is there a way to write in raw format?

Thanks.

  • 0
    TI__Guru*** 135355 points

    Hello John,

    Our NFC Tool GUI is only for NFC operations so we don't have any method to revert the tag back to raw format built into the GUI. It would be simple enough to do this, you'd just need to write 0x00's or 0xFF's to all the tag blocks and it would not be recognized as an NDEF tag anymore.

    Non-NDEF applications can be coded by modifying the state machines provided as part of the NFC example source code for the desired tag type, though having the GUI also handle that would be more challenging as the GUI is designed to apply the NDEF format. This would make more sense to do by just having a proprietary app that runs each time a tag is presented without the GUI interfering. Though full GUI source is given too if you want to re-do parts of it!

  • 0 in reply to Ralph Jacobi
    Intellectual 530 points
    That is what I though, but wanted to check. Thanks.