How can i read the processor temperature on imx7 using torizon core

Technical Support
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1

I am wanting to read the CPU temperature on each core, not sure how to do it in a node app.

2

Hi @tcapoli,

To get the CPU temperature on iMX7, you can do something like this, as reported in Temperature Sensor (Linux):

cat /sys/devices/virtual/thermal/thermal_zone0/temp

But, to do that in a container you must map the /sys partition to your container.

Similarly as what you can do for the Debian Developer Tools for Torizon:

# docker run -it --rm -v /sys:/sys -v /dev:/dev torizon/arm32v7-debian-shell:2

Please try that and let me know if it worked.

Best regards,

André Curvello

3

thanks but thermal is not there on that path you mentioned
/sys/devices/virtual/

colibri-imx7-emmc-06674366:~$ cat /sys/devices/virtual/
bdi/ block/ graphics/ mem/ misc/ net/ pps/ sound/ tty/ vc/ vtconsole/ workqueue/

4

Hi @tcapoli,

We have identified that there is really an issue with reading the temperature of the iMX7 on BSP 5, which, in turn, TorizonCore 5 is based on.

We are already working on it.

Best regards,
André Curvello

5

Hi @tcapoli,

The issue was fixed in the latest nightly builds.

Can you test that to be sure at your side, please?

Best regards,
André Curvello