[SailfishDevel] Calibration level of the compass sensor always 1.0?

Jussi Vuorisalmi jussi.vuorisalmi at iki.fi
Thu May 1 19:40:28 UTC 2014


Hello,

On Thu, May 1, 2014 at 3:01 PM, Ove Kåven <ovek at arcticnet.no> wrote:

>
> Also, if it ever gets below 1.0, then you're supposed to explicitly ask
> the user to wave the phone around a bit. When the calibration level gets
> back to 1.0, the calibration process is complete, and you should tell the
> user about that. This is not supposed to be something the user should be
> bothered with very often, so the sensor will, of course, try to keep the
> level at 1.0 until recalibration is *really* necessary.
>
>
Yes, I know how the application should behave in case the calibration level
goes below 1.0. I have been working on exactly that functionality recently;
that's why I am interested in the reading value.

The reason why I am wondering about the behaviour is that it is quite
different compared to what it used to be on MeeGo/Nokia N9. On N9, the
calibration level went below 1.0 quite often, could be once in a couple of
days or so. Now, in Sailfish/Jolla, I have never seen a value below 1.0. It
is of course good if it is true but the different behaviour compared to
MeeGo made me think there might be a bug either in my code (more likely) or
in Qt code/SailfishOS sensor drivers (less likely).

Anyway, thanks for you comments.

--
Jussi
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