When in HIL, APM is still getting IMU data from Oilpan, not X-plane - Why?

I'm using the latest (1.1.18) version of Mission Planner with X-plane.  I reflashed my APM1280 with the latest version (can't remember what it picked!) and all seems to be configured correctly, but I'm missing something!

I can fly the aircraft manually - i.e. the radio inputs are delivering a corresponding output into X-plane, and Mission Planner is reporting the correct IMU data from X-plane under Plane IMU but when I switch to an auto mode - stabilise, FBW-A etc, nothing happens.  It took me a while to realise that APM is using the data from the Oilpan, which seeing as it's sitting on my desk, is close to precisely zero as inputs!  Once I picked it up and began wiggling it, I could make the aircraft in X-plane move with it! :)

Why is it doing this?  I haven't downloaded the latest source code, which I normally did, configuring HIL mode manually, so I've no idea how APM knows it should be in HI-mode - i.e: using HIL data for its control.

Any ideas?

It's frustrating since I've had this thing working well on earlier versions!

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Replies to This Discussion

Permalink Reply by Andrew Rabbitt on January 7, 2012 at 12:32am

pardon me whilst I read ALL of the instructions! - The GREEN airplane has disappeared on the new Mission Planner version! :)


3D RoboticsPermalink Reply by Chris Anderson on January 7, 2012 at 12:36am

Yes, the HIL versions are now at the bottom left of the firmware screen.

Permalink Reply by criro1999 on August 1, 2012 at 6:31am

Hi Chris,

Can you explain this in more details? I believe have the same issue.

When I am in HIL, I can see data from X-Plane on Simulation TAB, but I can not see the symbol on the plane on the map.

I can control the plane on X-Plane with the TX in manual mode, but when switch on Auto, the plane is behave strange.

Thanks.

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