Hello,
I'm using SAMR34 Xpro for prototyping software for a low power (energy
harvesting) LoRa node.

While the current semtech_lorawan works perfectly fine, it only
provides support for serializing lorawan_mac state to EEPROM. So, at
present I need to join the LoRaWAN network each time I wake up from
the chip "backup mode".

The SAML21 CPU does not have an EEPROM, but it does have an NVM flash
with a few RWWEE pages. One of those pages can easily be used for
storage.

I have already implemented the data serialization I need, but the
network join state is not directly accessible outside semtech-loramac
- so it can't be restored unless I put my stuff straight into the
package.

Will that integration make any sense as a contribution to you? Or
should I rather strive for a generic EEPROM emulator on top of RWWEE?

Thanks for any advice,

Antonio
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