On Fri, Mar 23, 2012 at 1:15 AM, Christophe De Wagter
<
address@hidden> wrote:
> Hi,
>
> I am actually still searching for the datasheet of the motion processor.
> Invensense split the datasheet into
>
> -PS (product specification) that is around for a while and allowed to
> develop the PCB.
> -RM (register map) that was only recently released and allowed to write the
> driver...
> -?? but still no word to be found about the motion processor. I probably
> missed it somewhere. Anyone has this (prelim.) datasheet?
>
>
> Christophe
>
> On Mar 22, 2012 10:43 PM, "Chris Wozny" <
address@hidden> wrote:
>>
>> I'd be curious to see how well the MPU6000's internal "Digital Motion
>> Processing" handles in comparison to what Paparazzi already has for
>> AHRS. If it worked well it would be nice to offload the processing
>> from microprocessor to it. The MPU6000 even supports plugging a
>> magnetometer into it for more accurate measurements. Christophe, did
>> you play around with this DMP at all and make any findings?
>>
>> - Chris
>>
>> On Wed, Feb 22, 2012 at 10:53 AM, Prof. Dr.-Ing. Heinrich Warmers
>> <
address@hidden> wrote:
>> > Hi,
>> > the Diydrohes project is testing the new MPU6000 sensors
>> >
http://www.diydrones.com/profiles/blogs/apm-2-0-release.
>> > This Autopilot is offered for 199$.
>> > They have also a new version (V3) of the ADRUIMU with this
>> > sensor:.
https://store.diydrones.com/ArduIMU_V3_p/kt-arduimu-30.htm
>> > They write that the sensor fusion inside the sensor is working much
>> > better
>> > than the DCM.
>> > Next year they will sell a arm autopilot.
>> > What is about the code range for the ST Processor ?
>> > Ollimex has a low cost 24 Euro PCB:
>> >
http://www.watterott.com/de/OLIMEXINO-STM32-MAPLE. With the invensense
>> > sensor shield it seems to be possible to make the autopilot below 50
>> > Euro.
>> >
>> > Heinrich
>> >
>> > Andre Devitt schrieb:
>> >
>> > great, hadn't seen that! thanks.
>> >
>> > On Wed, Feb 22, 2012 at 11:02 AM, Felix Ruess <
address@hidden>
>> > wrote:
>> >
>> > Yeah, let's hope it won't take as long as for the MPU6000...
>> >
>> > Also the Aspirin2 uses the MPU6000 and the driver is already written (by
>> > Christophe DeWagter) and already in the dev branch...
>> >
>> > Cheers, Felix
>> >
>> > On Wed, Feb 22, 2012 at 4:44 PM, Andre Devitt <
address@hidden>
>> > wrote:
>> >
>> > Just posting a link to new Invensense IMU chip. 3 axis mag, accel, and
>> > gyro in 4x4 mm package. Seems promising for lower cost future
>> > autopilots.
>> >
>> >
http://invensense.com/mems/gyro/mpu9150.html
>> > Apparently will be available 4/16/12
>> >
>> > It looks like they basically took their previous 6000 series (gyro +
>> > accel only) and stacked a magnetometer on top of it (package is a bit
>> > taller but otherwise the same, pin compatible).
>> >
>> > Considering the cost of the 6000 series is about $13-$15 this could
>> > significantly bring down the costs of autopilots in the future if the
>> > 9000 series is priced similarly.
>> >
>> > I've played with the a microquad that uses the 6000 series and it
>> > seems very stable.
>> >
>> >
>> >
http://www.amainhobbies.com/product_info.php/cPath/2_382_707/products_id/222374/n/Blade-mQX-BNF-Ultra-Micro-Electric-Quad-Copter
>> >
>> > I hope to get a paparazzi driver up for the MPU-6000 within the next
>> > month or so, will forward any progress I make.
>> >
>> > Andre
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