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Setup:

Adding Files to Bash

Adding pppd ros2 config


sudo nano /etc/ppp/peers/ros2 (called with: sudo pppd call ros2)

/dev/ttyUSB0 57600
noauth
crtscts
lock
local
persist
maxfail 0
passive
10.0.0.1:10.0.0.2 # For the first endpoint, reverse the IPs for the second endpoint

Adding Serial Rules

sudo nano /etc/udev/rules.d/99-serial.rules

SUBSYSTEM=="tty", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6015", MODE="0666", GROUP="dialout"

reload udev rules:
sudo udevadm control --reload-rules
sudo udevadm trigger

sudo reboot

ROS2 Config in bash

Host Machine:

bash:
export ROS_LOCALHOST_ONLY=0
export ROS_DOMAIN_ID=42
export RMW_IMPLEMENTATION=rmw_fastrtps_cpp
sudo systemctl restart network-manager
sudo pppd call ros2
ROS_IP=10.0.0.1 ros2 topic pub /talker std_msgs/msg/String "{data: 'Hello world'}"

Reciving Machine:

bash:
export ROS_LOCALHOST_ONLY=0
export ROS_DOMAIN_ID=42
export RMW_IMPLEMENTATION=rmw_fastrtps_cpp
sudo systemctl restart network-manager
sudo pppd call ros2
ROS_IP=10.0.0.2 ros2 topic echo /talker

will be added later today

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