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Vehicles - MultiRotors / Re: OP GPS can't change to UBLK
« Last post by TheOtherCliff on May 17, 2019, 10:58:45 pm »
The last version of the OP GPS has two usable ports on the GPS itself, they are labeled GPS only and GPS+MCU.  GPS only can run at any baud rate, but GPS+MCU must run at 57600.  If the GPS is configured to run at something other than 57600 then GPS+MCU will not work (see below).

You must have flight battery connected (via ESC or BEC) for the GPS to be powered.  It seems you have that.  GPS must be powered to change settings inside the GPS.  :)

I suggest that you run default GPS settings (Ublox protocol, 57600 baud, etc.) and connect it to the GPS only port.  See if it connects.  If it does, change the UbxAutoConfig from AutoBaud to AutoBaudConfigureAndStore for 1 minute.  (This will permanently configure the GPS to run at 57600 which is required on the GPS+MCU port.)  Then set the UbxAutoConfig back to AutoBaud and leave it there.  After this, you can connect it back to the GPS+MCU port and the GPS will run at the required 57600 baud.
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Wow, it worked. All I had to was change to the right stabilized mode...
I am so stupid....!!!
Thank you for the tipp!!
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I understand from your post that I have to set a mode with Rate settings.
But I have done this already, as you can see in the picture of the modes window.
Yes, Stabilized3 is the one configured with Rate mode by default but the FlightMode positions uses only Stabilized1(Attitude) and Stabilized2 (Rattitude)

No Rate mode configured or selectable using flight mode switch : Try setting "Stabilized3" in one flightmode position ?
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Hey, thanks for the quick answer.
I understand from your post that I have to set a mode with Rate settings.
But I have done this already, as you can see in the picture of the modes window.
Shouldnt it work then with this setup?
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Vehicles - MultiRotors / Re: OP GPS can't change to UBLK
« Last post by f5soh on May 17, 2019, 08:02:03 pm »
Hi,
There is no need to use UCenter since the AutoBaudAndConfigure option is selected and a GPS configured in Main or Flexiport with all defaults (UBX, 57600)

If you see NMEA messages with UCenter while UBX protocol is selected, the GPS is not configured automatically due to a wrong wiring or some hardware issue, look SystemHealth for alarms.
Rx from GPS go to the Tx pin on Main/FlexiPort, Tx/Rx wires are crossed.


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Hi,

Looks normal, pos1 and pos2 uses Attitude and pos3 uses Rattitude
Attitude refers to a self-level mode and Rattitude to a Rate/Attitude mix.

You should set one flight mode position with "Stabilized3" with Rate in roll, pitch and Yaw axis or define a new stabilized mode where you set something like Roll:Acro+, Pitch:Acro+, Yaw:Rate or AxisLock. You should also consider Acro+

More details in this page : Input configuration




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Vehicles - MultiRotors / OP GPS can't change to UBLK
« Last post by trust on May 17, 2019, 07:21:26 pm »
I have a Revo mini and an OP GPS plugged into the main port, and the config in hardware set to use UBLK. The GPS is acquiring satelites - red LED is on blue LED blinks, but I get a red X over the GPS in status.
If I look on the status list the baud rate keeps changing and it indicates no gps. I assume its in autobaud trying to find a working data rate.
I tried U-center and I can see the NMEA codes coming out and satellites acquired.
But I can't change anything - I can't disable the child messages, and there is no UBLK items I can enable.
I'm thinking somehow this is a read-only GPS?
I tried selecting the NMEA option in Librepilot, and setting to the 9600 baud.
That doesn't seem to work either.
Thought maybe the RX pin not working in the GPS, but I tried it several times, no change.
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Hi guys,
I have a problem with my quad that is an older RTF Model (Storm Racing Drone 3s) using the CC3D controller.
I want to fly in rate mode, so I created a settings bank for it, but it does not work. It is the same as flying in attitude mode.
The transmitter works fine and it changes the modes, so that is not the problem.

It is possible to do flips, but the quad stabilizes itself just like in attitude mode. When I roll forward and let go of the stick, it rights itself instantly.
The only effect is, that it is possible to do flips and the responsiveness changes, but it is not in "real" rate mode.
Is there some setting that I am overlooking?

This guy on a german forum had the same problem, but never found a solution:
http://www.kopterforum.de/topic/51361-librepilot-regelt-im-rate-mode/

Does anyone have an idea what I might be doing wrong?
Thank you !!
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At this point, I wonder if the cloners use a version of BL4 that is not the same as LP's BL4.  I forget, have you flashed LP's BL4 onto any of them?
Yes, I think I did them all, because I wanted to rule out a bad BL or fw. I used 'bu_CC3D-20120620_f44b9d3.opfw' and followed the instructions on the Wiki page ( https://opwiki.readthedocs.io/en/latest/appendices/bootloader.html ). But it didn't solve the problem. At least I didn't notice any difference, but that doesn't say there were none.
So, even after making sure it was running LP BL4 you still had the problem.  Thank you.  This is good information.

When CC3D was "bad" and you tried erasing with LP Erase or UpdateAndErase, did you get any error message or other indication of error?  Sorry if you answered this before and I forgot.
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By "like a cat" I guess you mean spin correctly.
I forgot, cats don't spin in English, they purr ;D In Dutch cats's purring sound is called 'spinnen'. So I meant the motor runs smooth. It purrs like a cat.

I found the culprit. RX plug wasn't seated properly. Motor(s) running now!
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Is all your stuff airplanes using AlwaysArmed?
Yes! All except for my drone. It has a 10-ch RX and has plenty of CH's to spare for an Accessory-Arm. Which works for drones, but with planes one uses long periodes of full rudder/elevator frequently and I don't want to shut down my motor mid air   ::) I have some that glide pretty well, but not all do and I regularly fly above a city lake nearby. Foamies don't sink easily, but it takes forever to get them back ashore. I don't  own a 1:1 boat and my rc hydroplanes have no reverse, so most times they're pretty useless as a tow ;D  Using  6-CH RX's for my planes, I use my spare CH for flaps or a (tow) hook.

Quote
At this point, I wonder if the cloners use a version of BL4 that is not the same as LP's BL4.  I forget, have you flashed LP's BL4 onto any of them?
Yes, I think I did them all, because I wanted to rule out a bad BL or fw. I used 'bu_CC3D-20120620_f44b9d3.opfw' and followed the instructions on the Wiki page ( https://opwiki.readthedocs.io/en/latest/appendices/bootloader.html ). But it didn't solve the problem. At least I didn't notice any difference, but that doesn't say there were none.
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