PX4-Autopilot/msg/sensor_optical_flow.msg
Daniel Agar 1f923f2cda
optical flow sensor pipeline overhaul
- all sources of optical flow publish sensor_optical_flow
 - sensor_optical_flow is aggregated by the sensors module, aligned with integrated gyro, and published as vehicle_optical_flow

Co-authored-by: alexklimaj <alex@arkelectron.com>
2022-06-17 16:15:55 -04:00

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uint64 timestamp # time since system start (microseconds)
uint64 timestamp_sample
uint32 device_id # unique device ID for the sensor that does not change between power cycles
float32[2] pixel_flow # (radians) optical flow in radians where a positive value is produced by a RH rotation about the body axis
float32[3] delta_angle # (radians) accumulated gyro radians where a positive value is produced by a RH rotation about the body axis. Set to NaN if flow sensor does not have 3-axis gyro data.
bool delta_angle_available
uint32 integration_timespan_us # (microseconds) accumulation timespan in microseconds
uint8 quality # quality, 0: bad quality, 255: maximum quality
uint32 error_count
float32 max_flow_rate # (radians/s) Magnitude of maximum angular which the optical flow sensor can measure reliably
float32 min_ground_distance # (meters) Minimum distance from ground at which the optical flow sensor operates reliably
float32 max_ground_distance # (meters) Maximum distance from ground at which the optical flow sensor operates reliably
uint8 MODE_UNKNOWN = 0
uint8 MODE_BRIGHT = 1
uint8 MODE_LOWLIGHT = 2
uint8 MODE_SUPER_LOWLIGHT = 3
uint8 mode