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enum TopicId

fbs/types.fbs / Source schema

Backing type: ushort

Stable numeric identifiers for well-known Synapse topics. Values are contiguous and mirror the SynapseMessage union order in transport.fbs.

NameValueNotes
Unknown0Reserved value for invalid, unassigned, or externally named topics.
VehicleHealth1Vehicle-level arming, failsafe, mode, link, and health summary.
TimeReference2Correlates boot-relative time with an absolute Unix time reference.
RadioControl3Raw receiver channel input and link quality.
ManualControlCommand4Normalized manual pilot intent after input mapping.
InertialSample5IMU, magnetometer, static pressure, and temperature sample.
AirData6Barometric and aerodynamic measurements used by fixed-wing control.
PowerStatus7Battery, current, energy, and power-source state.
GnssFix8Global navigation fix, accuracy, velocity, and heading information.
OpticalFlow9Integrated optical-flow sample from an image sensor or flow module.
OpticalFlowVelocity10Velocity estimate derived from optical flow.
AttitudeEstimate11Vehicle attitude estimate and angular velocity.
LocalPositionEstimate12Local ENU position, velocity, acceleration, and yaw estimate.
GlobalPositionEstimate13Global latitude/longitude/altitude estimate with ENU velocity.
OdometryEstimate14Combined pose, twist, covariance, and estimator quality sample.
EstimatorHealth15Estimator consistency metrics and accuracy estimates.
MissionProgress16Mission item progress and mission database identifiers.
NavigationTarget17Current navigation target and tracking-error summary.
HomeReference18Home geodetic origin and corresponding local-frame reference.
AttitudeCommand19Attitude setpoint with optional body-rate and thrust feed-forward.
RateCommand20Body-rate setpoint with thrust feed-forward.
LocalPositionCommand21Local ENU position/velocity/acceleration/yaw setpoint.
VehicleCommand22Generic command with floating-point arguments.
GeoCommand23Geographic command with scaled latitude/longitude precision.
CommandResult24Result and progress for a previously issued command or request.
ActuatorCommand25Normalized actuator control request.
ActuatorFeedback26Normalized actuator output feedback.
PwmSignalOutputs27Raw PWM output pulse widths.
ControlLoopMetrics28Control-loop timing, overrun, and load telemetry.
TextStatus29Human-readable status or diagnostic text.
GcsStatus30Compact vehicle status aggregate for low-rate ground-control links.
MocapFrame31Motion-capture samples for one capture timestamp.
MocapDefinition32Cached motion-capture object definitions.