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Re: [Paparazzi-devel] Lisa/M I2C clock timing for MKK actuator

From: Eduardo lavratti
Subject: Re: [Paparazzi-devel] Lisa/M I2C clock timing for MKK actuator
Date: Sat, 3 Dec 2011 19:01:53 +0000

Hello Simon ...
I am referering the config you write bellow.
i look at stm32 datasheet and found the CCR register that can be configured to modify i2c timing.
I will try next week.


Date: Sat, 3 Dec 2011 18:21:46 +0100
From: address@hidden
To: address@hidden
Subject: Re: [Paparazzi-devel] Lisa/M I2C clock timing for MKK actuator

I am currently building an Octo with a Lisa/L and mikrokopter controllers though I am still a couple of days or so away from firing up the motors for the first time.

When you say you found some i2c timing details on the booz board are you referring to the config

 <configure name="MKK_I2C_SCL_TIME" value="50"/> <!-- this is optional, 150 is default, use 50 for 8 motors--> 

in the file



On Sat, Dec 3, 2011 at 2:00 AM, Eduardo lavratti <address@hidden> wrote:
Hello ... i am testing Lisa/M board on octo frame with mikrokopter i2C ESC compatable.
I am using towerpro with modified QUAX code. For test i changed the esc number 8 by an MK original one and the problem persist.

The last motor never start.
I find some detail about i2c timming on booz board but it use LPC MCU.

I search for i2c timing on stm32 driver but not find anything.
Can anyone help ?

anyone using lisa/M on octo with mikrokopter ESC ?

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