STM32F405 flight control MS5611 + MAX21000 + LSM303 four-axis flight control

Any other STM32 based boards
emarsh
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STM32F405 flight control MS5611 + MAX21000 + LSM303 four-axis flight control

Post by emarsh » Sat Dec 26, 2015 1:55 pm

Hello,

I just ordered a STM32F405 flight control MS5611 + MAX21000 + LSM303 four-axis flight control from http://www.aliexpress.com/item/STM32F40 ... 35644.html.

I originally bought it for the sensor package but would now like to learn to program the chip and offload some of the calculations from my Teensy 3.2.

Does anyone have any experience with this package or can someone point me in the right direction? I know Arduino but this is all new to me.

Thanks,

Eric

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RogerClark
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Re: STM32F405 flight control MS5611 + MAX21000 + LSM303 four-axis flight control

Post by RogerClark » Thu Dec 31, 2015 1:08 am

Do you mean the GPS you linked to ??

Did you mean to link to a STM32F405 board ?

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mrburnette
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Re: STM32F405 flight control MS5611 + MAX21000 + LSM303 four-axis flight control

Post by mrburnette » Thu Dec 31, 2015 1:24 pm

Maybe:
http://www.aliexpress.com/item/STM32F40 ... 68205.html
I originally bought it for the sensor package but would now like to learn to program the chip and offload some of the calculations from my Teensy 3.2.
I know Arduino but this is all new to me.
Welcome Eric:

I think the question you will need to ask yourself is, are you intending on using an existing flavor of ArduPilot (or other Arduino'ish software) for the board? IF so, then I think you should be able to integrate the Teensy routines but you should keep in mind that ArduPilot utilizes FreeRTOS, so you are going to have to be very (very) careful in doing the integration to ensure that the critical guidance routines do not starve from your integration. Of interest would be the "load" that the Teensy is now carrying and the software architecture you are using at the moment: super-loop/monolithic, interrupt, FSM... etc.

I do not know if any of our current membership are heavily into flight control, I'm not, but perhaps other members will chime in that have specific knowledge. Also, the state of F4 support under STM32duino is not 100% ... but we do have a handful of F4'ers that can provide more insight.


Ray

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martinayotte
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Re: STM32F405 flight control MS5611 + MAX21000 + LSM303 four-axis flight control

Post by martinayotte » Thu Dec 31, 2015 4:50 pm

Pretty expensive board for what it has ...

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mrburnette
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Re: STM32F405 flight control MS5611 + MAX21000 + LSM303 four-axis flight control

Post by mrburnette » Thu Dec 31, 2015 6:00 pm

martinayotte wrote:
mrburnette wrote: Pretty expensive board for what it has ...
I thought that too ...
but maybe the board is designed to work with some readily available software that has already been developed for this design ... in that case, with Open Source Software it would be acceptable and a quick way to jumpstart a project.

Ray

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martinayotte
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Re: STM32F405 flight control MS5611 + MAX21000 + LSM303 four-axis flight control

Post by martinayotte » Fri Jan 01, 2016 3:57 pm

In this case, maybe it would be helpful that someone (not me :-) ) take the time to reverse engineer this PCB, the total cost would probably below $25.

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mrburnette
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Re: STM32F405 flight control MS5611 + MAX21000 + LSM303 four-axis flight control

Post by mrburnette » Fri Jan 01, 2016 4:01 pm

martinayotte wrote:In this case, maybe it would be helpful that someone
(not me :-) )
take the time to reverse engineer this PCB, the total cost would probably below $25.
:roll:

Yea, I can hear the sound outside of the volunteers lining up...


Ray


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cazimirb
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Re: STM32F405 flight control MS5611 + MAX21000 + LSM303 four-axis flight control

Post by cazimirb » Fri Jan 01, 2016 9:52 pm

MAX21000, like all other IMU products from Maxim Integrated, is no longer available..unfortunately..

zmemw16
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Re: STM32F405 flight control MS5611 + MAX21000 + LSM303 four-axis flight control

Post by zmemw16 » Fri Jan 01, 2016 10:17 pm

on a quick pass of aliexpress, the max21000 dominates at £36, ms5611 around £4 and the lsm303 around £11

all single item prices, so maybe .. .. ..

srp

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