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Re: [Paparazzi-devel] Booz PCBs from Eurocircuits

From: antoine drouin
Subject: Re: [Paparazzi-devel] Booz PCBs from Eurocircuits
Date: Fri, 7 May 2010 11:25:10 +0200

Re Marko

On Thu, May 6, 2010 at 6:11 PM, Marko Thaler <address@hidden> wrote:
> Hello Poine,
>  [...]
> You have definitely wetted my appetite for Lisa/L! ;-) I did not know the
> release was just around the corner. Where can I get in line for the new
> Lisa/L boards? Will the boards be available preassembled or should I start
> to shop around for all the necessary components?

Boards should be available already assembled in a couple of weeks.
I'll let you know as soon as I have more details

> Just around the time the Booz hardware was born a friend of mine and I
> decided to build our own hardware with LPC1768 for the
> main microcontroller and ADIS16405 for the IMU.

I had considered the LPC1768 in place of the STM32F103 when I started
to design Lisa. I chose the STM32 because of the nice peripheral lib
and also because it's available in numerous packages (for QFN36, to
BGA64, BGA100 up to huge QFP 144). For exemple I am designing a servo
driver board based on the same STM32 but in a QFP48 package and a
small version of Lisa using the BGA64.

> However, our control
> algorithms were nowhere near as computationally efficient as the Booz ones
> are. Now that you have created the Lisa platform we can just put ours on the
> shelf... ;-) No, we will probably port the Booz code on our hardware and
> compare both IMUs. I doubt that the performance gain in using ADIS16405
> instead of Booz IMU will justify the huge price difference between the two.

At the moment, the Booz code is happily running on Lisa/L in the STM32
and the poor MCU  is very bored.



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