[all] Don't answer a call by turning FR upside down..

Bernd Prünster bernd.pruenster at gmail.com
Fri Aug 28 02:29:32 CEST 2009

Risto H. Kurppa schrieb:
> Hi!
> There's been this rumor about using accelerometers of Freerunner to
> ignore a call around.
> At the moment there are no useful applications for gestures, only
> (great!) games: mokomaze, doom etc.
> Someone wrote the framework for gestures but it's not been actually
> integrated in any(?) distro.
> >From what I heard the issue is that reading accelerometers is very
> CPU-intensive.
> Phone (framework, something?) sees a call coming in
> It starts to sniff the accelerometers
> If the phone is already upside down (on a table), don't alert (or
> maybe with vibra or something)
> If the phone is not upside down, alert as predefined.
> Continue sniffing: if the phone is turned upside down, go silent, stop vibra.
Personally i dont like it. i always put my fr upside down in my pocket 
an take it out flipping it upside down...
it is hard to get rid of "old" habbits...
> Here's some c00l details from DocScrutinizer:
> 01:20 < DocScrutinizer> gmeters can be switched on/off. No idea what's
> current status.
> 01:21 < rhkfin> -> turn it on only when there's a incoming call?
> 01:22 < DocScrutinizer> you probably want to set interrupt trigger
> threshold so cpu load is zero until you actually see the "gesture"
> 01:23 < DocScrutinizer> for sureyou don't want to soft-process the raw
> gmeter data at full sample rate all the time
> 01:24 < rhkfin> true
> 01:28 < DocScrutinizer> you enable and read out ->x:0,y:-1000,z:0.
> Set threshold to x:+-300,y:ditto,z:>0. Then wait with no cpu load
> until device gets considerably repositioned/accelerated
> 01:28 < rhkfin> right
> 01:29 < DocScrutinizer> if you see trigger, do same again
> Shouldn't be very hard but it'd be extremely cool. Integration to a
> distro (SHR maybe :)  might be a bit more of a hack (adding GUI to
> enable/disable this feature etc) though..
> r

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