Replies to This Discussion

Permalink Reply by Vincent Mees on August 16, 2011 at 10:08am

isent anyone else having the sonar alt hold problem???

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Permalink Reply by u4eake on August 16, 2011 at 2:44pm

mine seemed to work just fine. Check logs, they can show a lot to clear up the cause.

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Permalink Reply by Vincent Mees on August 16, 2011 at 3:15pm

Just went back to v37 and alt is indicated correctly.

Loaded v39 again ans still the mp shows 137m???

In status field I can see the alt is also 137. Nevertheless alt error shows -0.31 and goes more negative when I lift quad.

In the log sonar shows correct value.

There seems to be something wrong in calculating the correct height.

Do I have to change something in the settings?

 

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Permalink Reply by Vincent Mees on August 16, 2011 at 4:00pm

Also tested v38, same issue :-(

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Permalink Reply by Kevin Lincoln on August 16, 2011 at 6:26pm

Vincent,

 

I experienced the exact same symptoms on both 2.0.38 & 2.0.39. Only difference is, since my Planner is set to feet, it remains frozen at 449ft (same value as yours). For test purposes, same altitude is reported in HK GCS. Have to revert to 2.0.37 or earlier to restore previous functionality.

 

Very peculiar.

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Permalink Reply by Vincent Mees on August 17, 2011 at 1:52am

Pfff, I thought I was the only one.

The hardware and connections weren't changed between version. So that can't be the problem.

I use the latest MP version being 1.0.54

Why does it work with certain persons???

Permalink Reply by agmatthews on August 19, 2011 at 3:06pm

Bump!
Can we get 2.0.39 uploaded into http://code.google.com/p/arducopter/downloads/list
Ta
Andrew

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Permalink Reply by Gustav Kuhn on August 16, 2011 at 10:39pm

I too had the rolling horizon when connected with USB.

I don't have Xbee on the quad, that is on the plank at the moment.

Was VERY nervous on the first flight of the quad :-)

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3D RoboticsPermalink Reply by Chris Anderson on August 16, 2011 at 10:43pm

The IMU calibrates when you arm the motors, so that's fine.

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Permalink Reply by mc_don on August 17, 2011 at 11:15am

i hope can setting servo gimbal on ROLL from AMP.

revese and travel adjust servo not work, i just change from arduino :(

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Permalink Reply by Pieter van Woerkom on August 17, 2011 at 3:31pm

Sonar dead allso here. will revert to previous version.

 

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Permalink Reply by mc_don on August 17, 2011 at 7:59pm

i have set PID for altitude, couse im using 1000kv motor,

but on my 850kv motor sonar work solid.

are you have sonar issue?

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