CAN BUS iMX8QXP MEK in Android Automotive

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CAN BUS iMX8QXP MEK in Android Automotive

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esqui2002
Contributor I

Hi, 

I'm trying to use the can bus interfaces in Android Automotive but for now, isn't possible. 


I have enabled flexcan driver in the kernel configuration using menuconfig. 
After this, in the adb logcat, i see the vcan and can driver fet up in boot but anything about can0,can1 and can2. 

As I have seen in other forum posts, the can bus resources are assigned to the m4 processor. So I've tried to delete the m4 processor partition using a custom scfw but I haven't noticed any change.

In fact, I am making use of the android automotive mek_8q_car2 image and when I use the custom scfw without the m4 partition, I still see the power switch on the m4 processor when I understand that it should not be.

 

So my question is:

Is it possible to make use of CAN interfaces from cortex A in android automotive?

If this is not possible, Android Automotive could read the canbus data from the M4 processor and interpret it in the Cortex A.

 

Thank you very much

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Bio_TICFSL
NXP TechSupport
NXP TechSupport

Hello esqui2002,

A1. No, because CAN it's not implemented in android just for the M4.

A2. Yes, you can send a message fro M4 to cortex A

 

Regards

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