Forwarding OpenAMP log_info() to Linux terminal

Corono · ‎2022-05-10

Hi

I try to implement a virtual UART communication between the A7 and the M4 on a STM32MP157 device based on OpenAMP. I used the OpenAMP_TTY_echo example from the cube firmware package and adapted it to my own board. The virtual UART is working. But there are log commands in the example like " log_info("Virtual UART0 OpenAMP-rpmsg channel creation\r\n");" and this messages are not printed.

Is there a way to print this logs on the Linux terminal that is connected to the A7 or to forward it to an additional UART or something similar?

Thanks.

Erwan SZYMANSKI · ‎2022-05-11

Hello @Corono ,

These log_info messages are not directly printed in your Linux console but you can get these messages with some commands from Linux side.

You can find information on this wiki page : https://wiki.st.com/stm32mpu/wiki/Linux_remoteproc_framework_overview

Hope that it will help you.

Regards.

Erwan.

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