> Is set_memory called for every channel at some point, or only when
> channels are "touched" (i.e., some control event fired in ui)?

Only when touched.

> How exactly would chirp deal with a channel imported w/ 6.25 step, if
> it is not in my valid_tuning_steps? Would it leave tuning_step empty?

Imported from another radio you mean? If you radio doesn't declare 6.25
step support, then it will tell the user that such a memory is
unsettable or unimportable to your radio and you will never see it.

> But I dont see anywhere to tell chirp about this new list, such
> returning a RadioFeatures.valid_tones, etc in get_features.

Right, we don't currently export a list of supported tones, so you need
to maintain your list for indexing purposes and fail in some reasonable
way if a memory is attempted with a tone you don't support. This is
probably something we need to improve going forward.

> Should I be mutating chirp_commons.TONES directly?

No, definitely not. That will cause it to change for other drivers in
the same session.

--
Dan Smith
www.danplanet.com
KK7DS

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