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Subject: Re: Settings primer.

Re: Settings primer.

From: Manuel Dejonghe <manuel_at_dejonghe.de>
Date: 2006-02-15

On 2/15/06, bk <mutualaid@gmail.com> wrote:
> On Wed, 2006-02-15 at 16:11 +0000, gl wrote:
> > Can somebody give me a rundown on the best way to add new settings?
> >
> > Specifically:
> >
> > - where should I add them in the various structs - eg. is it important to
> > add them at the end for persistence compatibility?
>
> Look in apps/settings.h. It contains a giant struct containing all the
> global config values. Note that order is significant.

There is a config-block-version-counter somewhere as well that only
needs to be updated if the order is changed.
If you add some settings, you don't break compatibility, so don't touch it.

> > - where are they persisted (hd sector? config file?) and which type of
> > settings should end up where?
>
> There is a raw HDD config block where the config struct is dumped. It
> must be read back in the same order it was written.

If I remember correctly, on archos devices, the config block is stored
in the rtc.

> (disclaimer: I'm a noob when it comes to the rockbox source)

/me too

lImbus
Received on Wed Feb 15 19:36:31 2006


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