Hi, I noticed that the latest px4 versions (> 1.8.0) do not detect the external compass (this one ) on my mRo pixhawk based multicopter.
The second compass comes back again in the Sensors list after calibration only when I downgrade to version 1.8.0.
Is LIS3MDL still supported by the newest versions of PX4 firmware?
It’s more than a year that I am not able to upgrade the firmware.
I have already asked for help but nobody ever replied. Could anybody please provide any insight on this issue?
---- UPDATES ----
I have just run some tests on my three “identical” mRo pixhawks.
Using the same firmware (1.10.1) on the three of them, just one can see three compasses, while the other two can detect only the internal one.
Then I read the @dlwalter’s posts about i2c and the lis3mdl sensor and I used the mavlink console to check the i2c bus. I ran the
i2cdetect command and, on the pixhawks that detect only one compass, it returned
nsh: i2cdetect: command not found.
So clearly the problem is somewhere in the i2c bus driver.
I hope this can be useful to whoever wants to help me…