PrmDb enhancements

[gcgandhi]

F´ Version
Affected Component	PrmDb

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Feature Description

It would be beneficial to be able to update PrmDb to allow other components to be able to save parameters to non-volatile memory directly. This can be useful for fault protection and other state that needs to be stored non-volatile and done autonomously. There often state that should be stored in this manner as part of graceful shutdown.

Other features to consider for robustness:

Not storing all parameters in a single file; redundancy in parameter storage; checksums for validation; parameter versions; parameter value range checking (this is already planned according to M. Starch). Advanced features: Parameter groups

Rationale

A rationale for why the feature should be implemented in F´.

See above