Search found 630 matches

by kristoffer
Wed Mar 04, 2020 7:46 am
Forum: Support
Topic: no logging checkboxes visible in cfclient
Replies: 11
Views: 6237

Re: no logging checkboxes visible in cfclient

There used to be a similar problem on OSX, see https://github.com/bitcraze/crazyflie-c ... issues/308
QT is usually the problem, it might be worth trying another version.
by kristoffer
Wed Mar 04, 2020 7:42 am
Forum: General discussions
Topic: Android phone as controller for Betaflight flashed CrazyFlie 2.0
Replies: 2
Views: 11323

Re: Android phone as controller for Betaflight flashed CrazyFlie 2.0

Hi!

Sorry that does not work. As far as I know they do not use the same protocol
by kristoffer
Wed Mar 04, 2020 7:38 am
Forum: External positioning systems
Topic: Light House Position question
Replies: 10
Views: 23706

Re: Light House Position question

it looks like you have not set CENTER_AROUND_CONTROLLER = True (see the wiki page) It centers the coordinate system around the tracker, as opposed to one of the base stations. The data you get from the script is a vector from the origin of the coordinate system to each base station (.origin) + a rot...
by kristoffer
Wed Mar 04, 2020 7:31 am
Forum: Loco Positioning System
Topic: indoor position tracking with 4 anchor and 10 tag
Replies: 3
Views: 3637

Re: indoor position tracking with 4 anchor and 10 tag

Hi! Just follow the getting started guide https://www.bitcraze.io/getting-started-with-the-loco-positioning-system/ using ids 0 to 3. You don't have to do anything special, the anchors synchronize using the UWB radio. If you plan to do 3D positioning, 4 anchors might be a bit too few. If you only wa...
by kristoffer
Wed Mar 04, 2020 7:24 am
Forum: Loco Positioning System
Topic: takeoff and multiple CF flying problems
Replies: 3
Views: 4982

Re: takeoff and multiple CF flying problems

Hi!

Just to clarify, does it work with LPS + Crazyswarm?
by kristoffer
Tue Feb 18, 2020 7:48 am
Forum: Bitcraze
Topic: LPS node set up ROS
Replies: 3
Views: 3794

Re: LPS node set up ROS

Yes in most cases. The scripts that require positioning support can be used with any positioning system as long as it provides the properties needed by the script. If you are using the LPS for positioning, the Mellinger controller will most likely not work (LPS is a bit too noisy) for instance, but ...
by kristoffer
Tue Feb 18, 2020 7:40 am
Forum: General discussions
Topic: Get raw measurement from the flow deck V2
Replies: 13
Views: 10363

Re: Get raw measurement from the flow deck V2

There are two examples in the python lib repository (examples/basiclogSync.py and examples/basiclog.py) that is a good starting point.
by kristoffer
Tue Feb 18, 2020 7:35 am
Forum: Bitcraze
Topic: crazyflie 2 won't take off properly commander.send_position_setpoint
Replies: 9
Views: 5779

Re: crazyflie 2 won't take off properly commander.send_position_setpoint

shouldn't the height displayed in the flight data be read from the altimeter? The barometer is not used by default. It can be enable it with a compile flag though. As long as the configured anchor position is within +-5 cm of their real positions, it should be OK. There are log variables for the di...
by kristoffer
Mon Feb 17, 2020 1:18 pm
Forum: Bitcraze
Topic: Communicate with Crazyflie2.1 without Dongle
Replies: 1
Views: 3130

Re: Communicate with Crazyflie2.1 without Dongle

The easiest way is to use USB if that works for you. Just use usb://0 as your URI when connecting to the Crazyflie in the python lib
by kristoffer
Mon Feb 17, 2020 11:00 am
Forum: External positioning systems
Topic: Data logging not working from python script
Replies: 1
Views: 3510

Re: Data logging not working from python script

Hi! The spurious "Error no LogEntry to handle..." messages are harmless. You may get them when re-connecting to a Crazyflie where some logging was set up in a previous connection. Due to the design of the protocol, the Crazyflie does not really know if a connection is new or not, and will ...