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union SynapseMessage

fbs/transport.fbs / Source schema

Union of topic root tables supported by the optional multiplexed Frame transport. Order mirrors TopicId; the union discriminator is one byte, so Frame supports at most 255 topics.

NameTypeNotes
VehicleHealthVehicleHealthVehicle-level arming, failsafe, mode, link, and health summary.
TimeReferenceTimeReferenceBoot-time to Unix-time reference sample.
RadioControlRadioControlRaw receiver channel input sample.
ManualControlCommandManualControlCommandNormalized manual pilot intent command.
InertialSampleInertialSampleIMU, magnetometer, static pressure, and temperature sample.
AirDataAirDataBarometric and aerodynamic measurement sample.
PowerStatusPowerStatusBattery or power-source state sample.
GnssFixGnssFixGNSS fix and motion estimate.
OpticalFlowOpticalFlowIntegrated optical-flow sample.
OpticalFlowVelocityOpticalFlowVelocityVelocity estimate derived from optical flow.
AttitudeEstimateAttitudeEstimateAttitude and angular-velocity estimate.
LocalPositionEstimateLocalPositionEstimateLocal ENU position, velocity, acceleration, and yaw estimate.
GlobalPositionEstimateGlobalPositionEstimateGlobal geodetic position and velocity estimate.
OdometryEstimateOdometryEstimateCombined pose, twist, covariance, and estimator metadata.
EstimatorHealthEstimatorHealthEstimator health and innovation-test summary.
MissionProgressMissionProgressMission progress and mission database identifiers.
NavigationTargetNavigationTargetNavigation target and tracking-error summary.
HomeReferenceHomeReferenceHome geodetic origin and local-frame reference.
AttitudeCommandAttitudeCommandAttitude setpoint command.
RateCommandRateCommandBody-rate setpoint command.
LocalPositionCommandLocalPositionCommandLocal position/velocity/acceleration/yaw command.
VehicleCommandVehicleCommandGeneric command with floating-point arguments.
GeoCommandGeoCommandGeographic command with scaled latitude/longitude precision.
CommandResultCommandResultCommand result and progress response.
ActuatorCommandActuatorCommandNormalized actuator command.
ActuatorFeedbackActuatorFeedbackNormalized actuator feedback.
PwmSignalOutputsPwmSignalOutputsRaw PWM output pulse widths.
ControlLoopMetricsControlLoopMetricsControl-loop timing and load metrics.
TextStatusTextStatusHuman-readable status text.
GcsStatusGcsStatusCompact status aggregate for low-rate ground-control links.
MocapFrameMocapFrameMotion-capture samples for one capture timestamp.
MocapDefinitionMocapDefinitionCached motion-capture object definitions.