Windows NDEF NFC reader/writer recommendation

RE: Windows NDEF NFC reader/writer recommendation

Jørgen Holmefjord — Wed, 02 May 2018 14:46:17 GMT

There should be multiple commersial solutions available for reading/writing NFC tags from Windows, etc., but we do not have any general recommendations. Some suggestions have been discussed in this thread. The writable type 4 tag example can be tested using a n Android phone with NFC Tools installed.

We do only provide read support in the Type 2 tag library, but this is only a software limitation. We did not see any point in adding write capabilities to the T2T library when we released the T4T library. It does not look like there are T4T functions implemented in the Adafruit Shield driver in the SDK, but the chip should support this.

RE: Windows NDEF NFC reader/writer recommendation

chaben1 — Mon, 23 Apr 2018 11:30:40 GMT

Hi Ketil

This is really not the answer I hoped for.

So do you not have any other recommendation to write a Tag4 type than implement it by myself on a NRF52 DevKit?

When I look at the original PN532 library there a a lot of samples to write to a Type2 tag, but as I see Nordic implemented the Type2 only for read, and it is not possible to write a Ndef record to this tag, is this correct? Or do you provide a Type 2 library that support write to the tag?

When I look to the API documentation I can only find some information about the Type2 read and write process. So are your really sure that tag 4 writing is supported? If so, can you show me the related functions?

BR Stefan

RE: Windows NDEF NFC reader/writer recommendation

ketil — Mon, 23 Apr 2018 10:41:52 GMT

Hi,

It seems like we do not have an example demonstrating writing but this is supported in our Adafruit NFC Shield library. You might also want to check out the API documentation.

Ketil

RE: Windows NDEF NFC reader/writer recommendation

chaben1 — Thu, 19 Apr 2018 13:30:59 GMT

Hi Ketil

Yes this example is in the SDK, but as we see this is the passive side to write on. I need a example for the PN532 connected to a devKit to write active on a nRF52 NFC Tag 4 passive device.

BR Stefan

RE: Windows NDEF NFC reader/writer recommendation

ketil — Thu, 19 Apr 2018 13:00:24 GMT

Hi Stefan,

Which SDK are you using? In nRF5 SDK v15.0.0 I can find the writable_ndef_msg example. The example is in the folder:

nRF5_SDK_15.0.0_a53641a\examples\nfc\writable_ndef_msg

Ketil

RE: Windows NDEF NFC reader/writer recommendation

chaben1 — Thu, 19 Apr 2018 10:13:01 GMT

Hi Ketil

I already found your examples for the Adafruit PN 532.

In the examples folder I can only find the adafruit_tag_reader example.

This works of course, but I also need the functionality to write a NDEF record to the NRF52. Is there a working solution with the Adafruit PN532 basen on these examples?

BR Stefan

RE: Windows NDEF NFC reader/writer recommendation

ketil — Wed, 18 Apr 2018 06:12:03 GMT

Hi Stefan,

We use the Adafruit PN532 NFC/RFID Controller Shield in our examples. The shield supports both read and write operations for Type 4 tags. We have a library available for this shield.

Could you try the Writable NDEF Message Example? This example demonstrates both reading and writing.

Ketil