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Re: [Paparazzi-devel] IMU lost in flight

From: Gautier Hattenberger
Subject: Re: [Paparazzi-devel] IMU lost in flight
Date: Wed, 05 Nov 2014 09:42:03 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Icedove/24.8.1


If you put your extra sensors on a different i2c bus, this should not have an impact on the other one (well, I hope so...).
I don't remember if we have finally implemented the watchdog on i2c for the lpc, but it might be a solution to this problem (by restarting the peripheral).


Le 04/11/2014 18:56, Simon Liebold a écrit :
Hi Gautier,

Thanks for the hint. I recently added a pressure and a speed sensor, using up all two available i2c ports on the board. Looks a bit like that could have triggered the issue.


Am 04.11.2014 um 17:49 schrieb Gautier Hattenberger:

I have seen this a few times on Umarim boards. But I think it is more related to an issue in the i2c driver on the old lpc2148 boards. Unfortunately I never manage to trap the error with a logical analyzer or a debugger. I don't really know how to search for it, it is really random.


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