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Re: [linux-nfc] ThinkPad T470 and NXP PN5xx (PN547 or PN548)

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On Mon, May 13, 2019 at 1:28 PM Oleg Zhurakivskyy
<oleg.zhurakivskyy@xxxxxxxxx> wrote:
>
>
> Hi Sedat, Andy,
>
> Andy, thanks a lot for extending and cleaning that up.
>
> > Unsure, why the pn544_i2c NFC driver shipped with the Linux v5.1.1
> does not work.
>
> I briefly looked into drivers/nfc/pn544, that seems like an HCI based chip (as opposed to NCI based PN547).
>
> It might be that changes that Andy posted are already sufficient for PN547 to just work with neard (if I am not missing anything).
>
> # sudo apt-get install neard neard-tools
> # man nfctool
>

Away with NXP's libnfc-nci...

root@iniza:~# systemctl status neard.service
● neard.service - LSB: NFC daemon
   Loaded: loaded (/etc/init.d/neard; generated)
   Active: active (running) since Mon 2019-05-13 13:14:12 CEST; 16min ago
     Docs: man:systemd-sysv-generator(8)
  Process: 810 ExecStart=/etc/init.d/neard start (code=exited, status=0/SUCCESS)
    Tasks: 1 (limit: 4915)
   Memory: 1.6M
   CGroup: /system.slice/neard.service
           └─885 /usr/lib/neard/neard

Mai 13 13:14:12 iniza systemd[1]: Starting LSB: NFC daemon...
Mai 13 13:14:12 iniza neard[877]: NEAR daemon version 0.16
Mai 13 13:14:12 iniza neard[810]: Starting NFC daemon: neard.
Mai 13 13:14:12 iniza systemd[1]: Started LSB: NFC daemon.

root@iniza:~# nfctool --list
nfc0:
          Tags: [ ]
          Devices: [ ]
          Protocols: [ Felica MIFARE Jewel ISO-DEP NFC-DEP ]
          Powered: No
          RF Mode: None
          lto: 150
          rw: 15
          miux: 2047

Putting my YubiKey on the T470...

root@iniza:~# nfctool --poll -d nfc0
Start polling on nfc0 as initiator

Targets found for nfc0
  Tags: [ tag0 ]
  Devices: [ ]

Can I get a detailed view on the polling?

- Sedat -




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