@Andrea Rovai Sgm is using Android, perhaps that has other GPIO behaviour as Udoobuntu 2 RC2?
There is already a discussion about this topic here but also no answers for the Neo yet.
I don't have a Neo Full but you could also take a look at this Python library as a reference...
https://www.hackster.io/smerkousdavid/udoo-quad-dual-neo-library-2-0-9ca0d5
And to read data from the SAM3X8E and process it on the iMX6 you can use the serial connection /dev/ttymxc3 between the 2 processors You better...
The serial device between A9 and M4 has been improved in the last Udoobuntu version. The text in the docs refers to an older version. So stability...
The only thing I can advise you is to use a clean udoobuntu image. Perhaps someone of the Udoo team can help with your I2C problem? @Andrea Rovai
Yes! With your delay of 5 (ms) you will overflow the serial buffer. Also use the correct Python serial library. The one that is in Udoobuntu 2 RC2...
Did you connect the brick after you booted the Neo? Because then you have to restart the module. sudo rmmod mpl3115 sudo modprobe mpl3115
It had to be something that simple. Good that it works now.
The serial connection is indeed still a troublesome area on the Neo and the Udoo team has it high on its issue list to solve. Hopefully very soon.
You said it compiles with every mode except CHANGE so what if you use one of the others. There is not so much difference between Change and Rising...
As said, the Arduino part of the Neo is experimental. After compiling does it work? Compiling is one thing, it has to work too. On what pins did...
According the Arduino attachinterrupt documentation it are 2 pins but as the Neo Arduino Uno compatibility is somewhat experimental it could be 0...
In the manual I guess. What if you do not connect the third wire of the switch as the manual states?
On which OS are you running? And to what pins are the switches connected?
The correct link is http://www.udoo.org/docs-neo/Arduino_M4_Processor/Controlling_9-axis_motion_sensors.html Just a quick update on the...
Quick and dirty and did not run it trough the compiler so no guarantees :) And I was a beginner too when i bought the Neo, there is a lot of info...
The PortB function switches pin 13 so the led. So you can do that also with a digitalwrite.
There is Yocto http://www.udoo.org/forum/index.php?threads/2965/ and also a minimal (gui-less) Udoobuntu 2 image if you want to fiddle around...
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