Re: [Paparazzi-devel] motor command error on hexa------work arround progress

[Eduardo lavratti]

You are right Felix, but i use IMU on the second i2c bus.
Remember that i a using an umarin runnig rotorcraft code.

i think lisa/m has only two i2c bus too.
My plan is to use KROZ and pwm esc in my next multirotor.

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Date: Tue, 2 Apr 2013 20:57:23 +0200
From: address@hidden
To: address@hidden
Subject: Re: [Paparazzi-devel] motor command error on hexa------work arround progress

Hi,

if you are flying with an octo you might also want to consider enhancing the code to use two i2c busses (four motors each) so it would still be able to do a safe landing if one motor controller on one bus blocks everything (i.e. due to a short circuit).

Cheers, Felix

On Tue, Apr 2, 2013 at 8:15 PM, Eduardo lavratti <address@hidden> wrote:

Hello Sergey, my octo is working with i2c now.
I not do  more test because the ACC of my umarin had problem(its dead)

after i changed the i2c speed and changed the esc number 7 the bus never hang anymore.

When the new ADXL come i do more test's and report here.
cya.

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From: address@hidden
To: address@hidden
Date: Tue, 2 Apr 2013 17:12:25 +0200

Subject: Re: [Paparazzi-devel] motor command error on hexa------work arround progress

Hi Eduardo!
The problem is not only ARLO errors, as Christophe wrote, there are also different errors on different architectures as well.
The error has to be recognized and then resolved. Soetimes it’a a bit tricky, so the most universal solution is to keep the hardware as clean as possible. There is always a way to solve it in a software, but someone has to do it first.
I’m working currently with the Krooz board (STM32F4 architecture) over this problem as well and let to know if there some progress is.
Regards,
Sergey
 

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