OTBR Linux with esp32h2 as ot_rcp (IDFGH-14650)

[donaldkohcw]

Answers checklist.

• I have read the documentation ESP-IDF Programming Guide and the issue is not addressed there.
• I have updated my IDF branch (master or release) to the latest version and checked that the issue is present there.
• I have searched the issue tracker for a similar issue and not found a similar issue.

General issue report

Hi,

I previously managed to run the physical hardware (ESP32-S3 and ESP32-H2) on the ESP Thread Border Router. However, I am now encountering an issue getting OTBR in Linux to communicate with ot_rcp, as shown in the following running log.

It seems that the serial connection is not being established correctly at the moment, and I am continuing my troubleshooting.

Are there any features I need to enable or disable in the ot_rcp build that I may have missed? The USB is connected to J2 (UART) of the ESP32-H2-DevKitM-1.

Thank you.

donaldkoh@donaldkoh-VMware-Virtual-Platform:~$ journalctl -u otbr-agent --no-pager | tail -n 30
Feb 14 16:34:47 donaldkoh-VMware-Virtual-Platform otbr-agent[25009]: [NOTE]-AGENT---: Backbone interface: eth0
Feb 14 16:34:47 donaldkoh-VMware-Virtual-Platform otbr-agent[25009]: [NOTE]-AGENT---: Running 0.3.0-thread-reference-20230710-542-g3f28d4c990c
Feb 14 16:34:47 donaldkoh-VMware-Virtual-Platform otbr-agent[25009]: [NOTE]-AGENT---: Thread version: 1.4.0
Feb 14 16:34:47 donaldkoh-VMware-Virtual-Platform otbr-agent[25009]: [NOTE]-AGENT---: Thread interface: wpan0
Feb 14 16:34:47 donaldkoh-VMware-Virtual-Platform otbr-agent[25009]: [NOTE]-AGENT---: Radio URL: spinel+hdlc+uart:///dev/ttyUSB0?baudrate=460800
Feb 14 16:34:47 donaldkoh-VMware-Virtual-Platform otbr-agent[25009]: [NOTE]-AGENT---: Radio URL: trel://eth0
Feb 14 16:34:47 donaldkoh-VMware-Virtual-Platform otbr-agent[25009]: [NOTE]-ILS-----: Infra link selected: eth0
Feb 14 16:34:47 donaldkoh-VMware-Virtual-Platform otbr-agent[25009]: [INFO]-RCP_HOS-: OpenThread log level changed to 4
Feb 14 16:34:49 donaldkoh-VMware-Virtual-Platform otbr-agent[25009]: 49d.19:22:55.292 [W] P-SpinelDrive-: Wait for response timeout
Feb 14 16:34:49 donaldkoh-VMware-Virtual-Platform otbr-agent[25009]: 49d.19:22:55.292 [I] P-SpinelDrive-: co-processor self reset successfully
Feb 14 16:34:51 donaldkoh-VMware-Virtual-Platform otbr-agent[25009]: 49d.19:22:57.294 [W] P-SpinelDrive-: Wait for response timeout
Feb 14 16:34:53 donaldkoh-VMware-Virtual-Platform otbr-agent[25009]: 49d.19:22:59.296 [W] P-SpinelDrive-: Wait for response timeout
Feb 14 16:34:53 donaldkoh-VMware-Virtual-Platform otbr-agent[25009]: 49d.19:22:59.296 [C] Platform------: Init() at spinel_driver.cpp:83: Failure
Feb 14 16:34:55 donaldkoh-VMware-Virtual-Platform otbr-agent[25009]: 49d.19:23:01.298 [W] P-SpinelDrive-: Wait for response timeout
Feb 14 16:34:55 donaldkoh-VMware-Virtual-Platform systemd[1]: otbr-agent.service: Main process exited, code=exited, status=1/FAILURE
Feb 14 16:34:55 donaldkoh-VMware-Virtual-Platform systemd[1]: otbr-agent.service: Failed with result 'exit-code'.
Feb 14 16:35:01 donaldkoh-VMware-Virtual-Platform systemd[1]: otbr-agent.service: Scheduled restart job, restart counter is at 754.
Feb 14 16:35:01 donaldkoh-VMware-Virtual-Platform systemd[1]: Starting otbr-agent.service - OpenThread Border Router Agent...