RPI*, BBW: need way to preserve private receiver data across SD card changes

jbrzusto / sensorgnome

master control process for a sensorgnome receiver

GNU General Public License v2.0

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RPI*, BBW: need way to preserve private receiver data across SD card changes #53

Open jbrzusto opened 6 years ago

jbrzusto commented 6 years ago

Unlike the BBBK, which has built-in flash RAM, the RPI* and BBW SGs have no persistent memory off the SD card. So when a new (or reformatted) SD card is used, the SG loses:

receiver crypto keys
boot count
deployment.txt
any other config

One fix is to store such data with motus.org, and add a web interface capability to fetch from motus, given motus login credentials.

jbrzusto commented 6 years ago

A major consequence of this issue is that data processing organized by bootnum will be scrambled.