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openpilot glossary

  • onroad: openpilot's system state while ignition is on.
  • offroad: openpilot's system state while ignition is off.
  • route: A route is a recording of an onroad session.
  • segment: Routes are split into one minute chunks called segments.
  • comma connect: The web viewer for all your routes; check it out at connect.comma.ai.
  • panda: The secondary processor on the device that implements the functional safety and directly talks to the car over CAN. See the panda repo.
  • comma four: The latest hardware by comma.ai for running openpilot. More info at comma.ai/shop/comma-four.