Alt.Hold not working correctly / bad baro values

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thetemplar
Beginner
Posts: 1
Joined: Sat Dec 30, 2017 12:04 am

Alt.Hold not working correctly / bad baro values

Post by thetemplar » Sat Dec 30, 2017 12:11 am

Hello,
I now have purchased a CF2, and it is a very cool quad, but I can not get the alt.hold working.

It hovers just centimeters over ground and does little "jumps", I guess due to the ground effect.

Everytime when I get some height (~2 meters) and press the "assisted control" button on my controller, it drops down to the ground and hovers there.
(The button itself is working, otherwise the thrust would drop to zero).

Is this a common problem?
So far I found nothing.

How can I read the raw baro-values? in the cfclient under baro is "z.stateEstimate", which is after sensor fusion I guess.


Edit: crazyflie-2017.06.zip is flashed

arnaud
Bitcraze
Posts: 1609
Joined: Tue Feb 06, 2007 12:36 pm

Re: Alt.Hold not working correctly / bad baro values

Post by arnaud » Tue Jan 02, 2018 11:55 am

Hi,

this behavior looks like the altitude hold is not actually enabled in the Crazyflie. There has been a bug with that in the client previously, what version of the client are you using?

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