/micro_ros_agent: transport: serial middleware: dds serial_baud: 115200 serial_device: ./dev/ttyROS0 refs_file: ./src/ardupilot/libraries/AP_DDS/dds_xrce_profile.xml /ardupilot: sim_vehicle_cmd: ./src/ardupilot/Tools/autotest/sim_vehicle.py vehicle: ArduCopter frame: quad serial_baud: 115200 serial_device: ./dev/ttyROS1