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TDA4VM: How to enable log of ethfw

Part Number: TDA4VM

Hi TI experts,


I am using sdk 8.5,

Question1:

Before I I used to use sdk 8.4: when booting I can see Linux's log on /dev/ttyUSB0, and log of ethfw on /dev/ttyUSB2.
But now when using sdk8.5, I can not see any log of ethfw on all minicoms.

Could you guide me how to enable to see log of ethfw!

Question 2:


As I know vision_apps uses ethfw. After booting I see ethernet interface eth1, it means ethfw already run.

And after that I init vision_apps by: source /opt/vision_apps/vision_apps_init.sh and I see ethfw log and it seems ethfw is initialized at this time, but it's is ethfw in source code of vision app.

Could you help me explain about: ethfw default and ethfw in vision app?
And where is source file of ethfw in vision app?

Thank you very much! I'm a newbie ^^

Best regards,
Dinh