Discussions

Gyro troubles on APM 2.5

Posted by Winston Lowe on November 3, 2012 at 10:46am

I'm having trouble getting the gyro to work right in ArduPlane V2.66 it gets to "Init Gyro" and then hangs up the board all together.

And I'm starting to think that there is a bad component on the board, also I can't get the air

pressure sensor to work.  

The closest I got it to working was on ArduPlane V2.60 as shown below.

Thanks,

KJ6ICA

*NOTE* CLI Works over USB only
Opened com port


Init ArduPlane V2.60

Free RAM: 2539
load_all took 4476us

Press ENTER 3 times to start interactive setup

3<startup_ground> GROUND STARTV3Demo Servos!)ArduPlane V2.60]
ArduPlane V2.60]
ArduPlane V2.60]
ArduPlane V2.60] ?
Commands:
logs
setup
test
help
planner
ArduPlane V2.60] test
Test Mode

test] imu
Init Gyro**Hit Enter to exit.

r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)
r: 0 p: 0 y:202 g=( 0.0 0.0 -0.0) a=( 0.0 0.0 -9.8)

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Tags: 25, apm, gyro, init, hangs, troubles, up
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Replies

  • Winston Lowe November 5, 2012 at 8:15pm

    I was looking at the Eagle files for the APM 2.5, and it looks like the Gyro and Barometric sensor are on the same i2c bus. On the board I have both of those sensor don't work, however the digital compass is on its own i2c bus and it dose work.

    I'm starting to think that one of them is dead, or holding up the i2c bus lines and making it where the MCU can't talk to the sensors. I tried to get a scope on the i2c bus but there's no place that makes that easy to get too. They need to add pads to get too the lines.

    That's my update, and I'm working on getting the board RMA.

    I can't wait to play with one that works right!!!

    KJ6ICA

This reply was deleted.

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