Raspberry Pi 4

You don’t get RED/GREEN or GREEN, webapp is not opening, cannot move mower via controller. We go step by step.

Follow the SD Card preparation step and insert that card into Raspberry Pi 4, then, without plugging anywhere, power it from USB-C port.

Then follow the Wi-Fi Configuration.

The board will connect to your Wi-Fi and will start downloading ~2Gb docker image which will definitely take some time. While waiting, I recommend figuring out IP of the mower from router DHCP leases and opening SSH connection.

Running sudo systemctl status --no-pager -l -n 99999 openmower should display something reassuring.

● openmower.service - OpenMower service
     Loaded: loaded (/etc/systemd/system/openmower.service; enabled; vendor preset: enabled)
     Active: active (running) since Sun 2022-12-11 17:38:46 GMT; 1min 56s ago
   Main PID: 1539 (start_open_mowe)
      Tasks: 9 (limit: 4164)
        CPU: 295ms
     CGroup: /system.slice/open-mower.service
             ├─1539 /bin/bash /root/start_open_mower.sh
             └─1540 docker pull ghcr.io/clemenselflein/open_mower_ros:releases-testing

Dec 11 17:39:58 openmower bash[1540]: 69ea1fadf775: Verifying Checksum
Dec 11 17:39:58 openmower bash[1540]: 69ea1fadf775: Download complete
Dec 11 17:40:00 openmower bash[1540]: 15e1b3c068e4: Verifying Checksum
Dec 11 17:40:00 openmower bash[1540]: 15e1b3c068e4: Download complete
Dec 11 17:40:01 openmower bash[1540]: 4f4fb700ef54: Verifying Checksum
Dec 11 17:40:01 openmower bash[1540]: 4f4fb700ef54: Download complete
Dec 11 17:40:38 openmower bash[1540]: ebf4cb1b6e8d: Verifying Checksum
Dec 11 17:40:38 openmower bash[1540]: ebf4cb1b6e8d: Download complete
Dec 11 17:40:48 openmower bash[1540]: 0acc91bc6454: Pull complete
Dec 11 17:40:48 openmower bash[1540]: c2b7ae792e5c: Pull complete
Dec 11 17:40:48 openmower bash[1540]: ffd8732fa33d: Pull complete
Dec 11 17:40:49 openmower bash[1540]: f77cf07a1833: Pull complete
Dec 11 17:40:49 openmower bash[1540]: c2e28204415f: Pull complete
Dec 11 17:40:50 openmower bash[1540]: d20c270f7c57: Pull complete
Dec 11 17:40:50 openmower bash[1540]: 88fa587d1506: Pull complete
Dec 11 17:40:50 openmower bash[1540]: cdca27d2d0cc: Pull complete
Dec 11 17:48:13 openmower bash[1540]: 67f58a6eff2a: Verifying Checksum
Dec 11 17:48:13 openmower bash[1540]: 67f58a6eff2a: Download complete
....
Dec 11 17:51:30 openmower bash[1540]: Digest: sha256:dafdce282bf6963a07dc391c2cc06119ac5a5ca5a9ecaac8b97204f81922635c
Dec 11 17:51:33 openmower bash[1540]: Status: Downloaded newer image for ghcr.io/clemenselflein/open_mower_ros:releases-testing
Dec 11 17:51:33 openmower bash[1540]: ghcr.io/clemenselflein/open_mower_ros:releases-testing
Dec 11 17:52:18 openmower bash[3156]: [48B blob data]
Dec 11 17:52:18 openmower bash[3156]: [62B blob data]
Dec 11 17:52:19 openmower bash[3156]: ... logging to /root/.ros/log/8ed2c83c-797c-11ed-a3ba-e45f0178e709/roslaunch-openmower-85.log
Dec 11 17:52:19 openmower bash[3156]: Checking log directory for disk usage. This may take a while.
Dec 11 17:52:19 openmower bash[3156]: Press Ctrl-C to interrupt
Dec 11 17:52:19 openmower bash[3156]: Done checking log file disk usage. Usage is <1GB.
Dec 11 17:52:19 openmower bash[3156]:
Dec 11 17:52:20 openmower bash[3156]: started roslaunch server http://openmower:39419/
Dec 11 17:52:20 openmower bash[3156]:
Dec 11 17:52:20 openmower bash[3156]: SUMMARY
....
bunch of PARAMETERS/NODES and view exception due to missing literally all the hardware

If you are lazy, just wait 5-10 minutes and check that http://<openmower IP>:8080/ is accessible. If it’s not, you need to SSH and check the logs with sudo journalctl -fu openmower. Usually a problem would be bad config file.

If you got to the webapp - you are good. Plug the Raspberry Pi back to mainboard.

Last modified May 11, 2023: fix: revert wi-fi url change (73c75b0)