Set up port permissions on boot - robotique-udes/zeus_rover GitHub Wiki

Set up serial port permissions

To setup the permissions, the zeus user needs to be added to the dialout group.

sudo gpasswd --add ${USER} dialout

Enable SPI devices on boot

1. Create a new service file

   sudo nano /etc/systemd/system/port_permission.service
   

2. In the file, copy the following inside the file: (If its for the arm change the root to /home/zeus/catkin_ws/src/zeus_arm/port_permission.sh)

   [Unit]
   Description=Port permission for the GPS.
   
   [Service]
   Type=simple
   ExecStart=/bin/bash /home/zeus/catkin_ws/src/zeus_rover/port_permission.sh
   
   [Install]
   WantedBy=multi-user.target
   

   Save and exit.

3. Enable the service

   sudo systemctl enable port_permission.service
   

   Reboot