Dear
Luiz,
At this moment there are still 3 known issues with
lisa+fixedwing+magnetometer combination.
1) The magnetometer code for fixedwing with <subsystem
name="ahrs" type="float_dcm" /> is not good yet and the attitude
filter becomes easily unstable at higher lattitudes.
2) IMU data might not fit lower modem rates (9600bps) and then
messages are dropped which can cause for instance the GCS not to
populate while messages do arrive (when ALIVE message fails to find
some free bandwidth).
3) Last but not least: the current I2C implementation does not
work with all sensor combinations (could e.g. happen when adding
magnetometer). It can happen that IMU stops working after a while. A
totally new lowlevel driver is in the make to be released as soon as
possible but it is a lot of work.
-Christophe
On Thu, Sep 29, 2011 at 2:27 AM, Luiz Flavio
Felizardo
<address@hidden>
wrote:
there
is something wierd with my setup and I cant figure it out, anybody
would mind to help? :D
It's something with my magnetometer, I had to comment this line
(<define name="USE_MAGNETOMETER" />) cause with the magnetometor
up (this line uncommented) the system go crazy and even stop working. I
checked the Ivyprobe and the messages log it seems that the system is
overloaded with magnetometer information and dont have enough spare
link to send or do the other functions. Is there any way to limit the
amount of messages the magnetometer sends!? Or, if u dont think thats
the problem do you have any ideas?
Lisa/L with IMU Aspirin system. Fixedwing Airframe.
Thanks very much.
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