Keeping attribute table and model in sync

[Raphael]

I think this is a rather common problem: I want to expose a couple of variables from my model code (members of structs) as characteristics. Is there a simple and elegant way to bind such variables directly to the characteristics so that I do not have to write code for each characteristic to update the characteristic value based on the model value and vice versa for each variable?

I am essentially looking for something like an observer implementation / reactive programming similar to what you use in MVC / MVVM nowadays.

[Raphael]

Oh and another thing: How do I make sure that the SoftDevice does not interrupt my code doing calculations with inconsistent data because if e.g. my model code first uses the value of an attribute at timestep 1 and then the softdevice interrupts that code, changing the attribute value and the rest of the interrupted function now uses the attribute value at time step 2.