Warning #1: an issue has been found with Tower's Pause button which can cause the vehicle to fly to an old position if the vehicle has not sent a position update to Tower in some time.
Warning #2: Copter-3.3.2 fixes a bug found in Copter-3.3.1's desired climb rate initialisation which could lead to a sudden momentary drop when switching from Stabilize or Acro to AltHold, Loiter or PosHold.
Warning #3: Copter-3.3.2 fixes an issue found in Copter-3.3.1 which could lead to hard landings in RTL or AUTO if the WPNAV_SPEED_DN was set too high (i.e. >400 or 4m/s) and/or the WPNAV_ACCEL_Z was set too low (i.e. <100 or 1m/s/s).
Warning #4: a bug was found in Copter-3.3 which could cause a sudden crash if you abort a Take-off initiated from a ground station. Video description is here. The bug is fixed in Copter-3.3.1 so we recommend upgrading.
Note #1: AC3.3-rc8 corrected a long standing bug in the HDOP reporting. HDOP values will appear about 40% lower than previously but this does not actually mean the GPS position is better than before.
Note #2: if upgrading from AC3.2.1 the vehicle's accelerometer calibration needs to be done again.
Note #3: set SERIAL2_PROTOCOL to "3" and reboot the board to enable FrSky telemetry like in previous versions.
Note #4: the wiki will be updated over the next few weeks to explain how to use the new features
Copter-3.3.1 is available through the mission planner. The full list of changes vs AC3.2.1 can be see in the ReleaseNotes and below are the most recent changes since AC3.3.
Sadly this version (and all future versions) will not run on the APM2.x boards due to CPU speed, flash and RAM restrictions.
Changes from 3.3:
1) Bug fix to prevent potential crash if Follow-Me is used after an aborted takeoff
2) compiler upgraded to 4.9.3 (runs slightly faster than 4.7.2 which was used previously)
Changes from 3.3-rc11:
1) EKF recovers from pre-arm "Compass variance" failure if compasses are consistent
Changes from 3.3-rc10:
1) PreArm "Need 3D Fix" message replaced with detailed reason from EKF
Changes from 3.3-rc9
1) EKF improvements:
a) simpler optical flow takeoff check
2) Bug Fixes/Minor enhancements:
a) fix INS3_USE parameter eeprom location
b) fix SToRM32 serial protocol driver to work with recent versions
c) increase motor pwm->thrust conversion (aka MOT_THST_EXPO) to 0.65 (was 0.50)
d) Firmware version sent to GCS in AUTOPILOT_VERSION message
3) Safety:
a) pre-arm check of compass variance if arming in Loiter, PosHold, Guided
b) always check GPS before arming in Loiter (previously could be disabled if ARMING_CHECK=0)
c) sanity check locations received from GCS for follow-me, do-set-home, do-set-ROI
d) fix optical flow failsafe (was not always triggering LAND when optical flow failed)
e) failsafe RTL vs LAND decision based on hardcoded 5m from home check (previously used WPNAV_RADIUS parameter)
Thanks for your testing!
Replies
yea thanks for that... randy... i came to this forum because i dont know hardly anything and you remove my post beause i ask a question about something .. real nice you should of directed me to somwhere else or atleast helped me.. what if you went into a store to buy something and the counter person said sorry you cant buy here your off topic go to another store.. but you clearly have what i need and its not the topic of the day...
that just gets to me that really does i run a forum of 25,000 members and i would never do what you just did.. i thought this place was to ask questions and honest people that are willing to help.. guess not
the funny thing is i come to this site for help and i get deleted.... because there is no alternative google wasnt a help and theres not really a topic on what i need.. im trying to save my self money by asking questions its how i learn... now i question this sites morals and how its run..
No need to get butthurt as this "thread" is for testing 3.3. If you need help with something NOT related to testing 3.3 then you are free to start a new thread and ask for help there. People would be glad to help. You're not the only one to get posts deleted and most don't even get a reason why. At least you got that.
dont be a jerk... see this is what im talking about people this guy and people like the moderator that just delete a comment.. im mad because i typed my comment out and was waiting for a response and come to find out it was deleted.. with the admin not even placing it in the right section or atleast answering my question.. youd be mad too.. this is why i dont post on diy drones much its just like this cell phone modding site that treats people badly
James,
Sorry, I wasn't trying to annoy you of course, just trying to keep the post on topic. I've created a new discussion with your question here.
I really would NOT be mad as I and others have had our comments nuked without so much as a reason why. I also do not allow myself to get angry over such things as a forum. I'm not harping on you as I understand some people take things too personal. I'm just saying if you want help ask for it in the proper place and don't get bent out of shape when you ask in the wrong place and your question gets nuked.
If you're looking for a forum that is a little more relaxed then there is always RCGroups which have quite a few threads pertaining to Pixhawks and APM and whatever. OR just open a new thread with your question and be patient.
If you have a question about Ardupilot or anything, you can open a thread and will probably receive answers quickly. Trying to hijack a thread that is specifically for Arducopter 3.3 Beta testing and only beta testing, is not the answer. I dont know how you run your forum, but, we try not to get sidetracked with non-relevant conversations that are completely off topic.
Please post your question in a new thread and I think you will find the community to be very receptive and helpful. I don't know what your original question was, but, Randy is a very decent guy and i'm sure if he deleted it, it was way off topic.
Any plans to add super simple gimbal support in 3.3? I think I read a post here somewhere where a person had written the code and tested it over a year ago but it never made it into 3.2
Hi Ron,
There aren't any plans to add anything to 3.3 at this stage. Any adding is only happening for 3.4.
I like the idea though.
As far as I remeber the code is already there, just needs a custom compile.
Grant Mophett and I were looking at that PR just yesterday. It's a small change but it needs to be modified a lot to fit in with the new AP_Mount library structure that we put into AC3.3 to allow support for various types of gimbals. Of course, with the new structure it fits in much better. As Leonard says though, it'll be an AC3.4 thing.
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