This is a discussion to focus the feedback and support of ardupilot on the PixRacer board from AUAV.co.
We believe that all teething problems encountered are now resolved and so we recommend people load Copter-3.3.4 which is available for all multicopters through the Mission Planner's (and other GCS's) Install Firmware screens. Note that because regular Pixhawks are still on Copter-3.3.3 the install icon may show Copter-3.3.3 but rest assured, Copter-3.3.4 will be installed (you can check the version by looking at the very top of the Mission Planner).
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Philip,Tridge: Thx a lot. Very nice, my first copter with 3 MAG . (2 internal and one external)
Could you please explain:
1. Does v4 APM use all MAG if enabled ? (Averaging ?)
2. Redundancy ? Switchover during flight in case of a failure ?
@gervais, the EKF uses the mag indicated by the COMPASS_PRIMARY parameter initially, also honouring the COMPASS_USE, COMPASS_US2 and COMPASS_USE3 parameters.
If during flight it finds the primary compass is inconsistent with other sensors it tries the other enabled compasses to see if it can find one consistent with the other sensors. If it finds one it switches to that.
I couldn't calibrate my ESC's w/ oneshot enabled.. It seems like it doesn't detect throttle down position.
My esc's should support 125 mode.
Regular, without oneshot calibrates fine.
I have never used oneshot before, so could be doing something wrong. Not sure if I have to hook them up to an ESC programmer to tell them I'm using oneshot or something... (I have read it should auto-detect it, but maybe there's an option in the config, too.....)
trying to fly w/ oneshot enabled, with the non oneshot ESC calibration doesn't work.. never get any output from the ESC's.
(I don't need oneshot.. Just letting you know of my results)
I was having some other trouble earlier, which is all working now with the current 3.4dev. (deleted the posts, because they were apparently problems only I was having)
So, now that it's all working I tried OneShot125 again. The ESC's still don't respond, and won't calibrate.
Spider Pro 20 amp w/ BLHeli 14.3. They say they support it, but I don't have another flight controller that's known to work w/ OneShot, to test.
Hopefully someone else can try.
I've done a lot more work on ArduPilot on Pixracer today. New features include:
I've put a binary here for anyone who is feeling brave:
http://uav.tridgell.net/px4-merge-april-2016/ArduCopter-v4.px4
As far as I know the only missing feature now is RSSI input support. I suspect that in fact does work, we just need to work out what to put in RSSI_ANA_PIN.
This version is based on ArduPilot master, plus a merge of all upstream px4/Firmware. Many thanks to the PX4 team for all their work! Also thanks to Phillip Kocmoud for assistance on pinouts.
The branch is here:
https://github.com/ArduPilot/ardupilot/commits/px4-merge-april-2016
I expect it to go into ArduPilot master in the next day or two. Test reports welcome!
Note this uses the new AP_Motors code, so the names of all the PID parameters have changed. I don't know if the various GCS implementations cope with that yet.
Cheers, Tridge
thanks for letting me know. I think that is probably a result of enabling the WiFi. I'll have a look at it when I get a chance.
wifi now works for me :] Thank you.
YAY!
Just need RSSI...
Is there any method to the pin numbering, or could it be anything?
Or is there any chance of you moving the 3.4 digital RSSI code over to this?
I've now pushed an update that adds analog RSSI support. It defaults to the right settings, but if you want to set them manually it is:
It needs the latest master build, which was submitted to the build servers a few minutes ago. It probably won't appear as an available build for a few hours.
Thanks Andrew, do I get this from CtrlQ or is there another download link?
Did you see the link to my ESC, I was not able to get Type 2 working with them, but not sure if mine supports it or not.
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