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w3c / web-nfc

Web NFC
https://w3c.github.io/web-nfc/
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List overview of NDEF binary fields #249

Closed kenchris closed 5 years ago

kenchris commented 5 years ago

Would probably make it a bit easier to talk about a lot of things in the spec

Something like (but drawn by us):

image

Also the below should probably have TNF as a separate column.

image

kenchris commented 5 years ago

When we list TNF we can explain "UNCHANGED" which is for chunked records which indicates the same type as the previous one:

https://www.dummies.com/consumer-electronics/nfc-data-exchange-format-ndef/

kenchris commented 5 years ago

Some examples here that can probably be turned into nice HTML to use in the spec

https://docs.google.com/spreadsheets/d/e/2PACX-1vSEoyIS1mcYfKwt-PkqXC_MQWjs7f58wlfUVaokMjQcImo31ew5P7fHNsCAKvusx0GugonBBiiFCvdD/pubhtml

kenchris commented 5 years ago

Good examples of how NDEF messages can look:

image

kenchris commented 5 years ago

It is possible to have nested records as part of the payload - Smart Poster makes use of that

image

kenchris commented 5 years ago

You can also have chunked records, luckily Android turns these into logical records. We should spec that we do exactly the same.

image