PX4-Autopilot/msg/VehicleImu.msg
Daniel Agar 9ee8fa21cd
PX4 ROS2 msg conformity and explicit topics
- .msg files are PascalCase
 - topics are still either per msg or explicitly listed in TOPICS
 - compatible structs are still generated (eg struct msg_s), but ROS2 style px4::msg::Msg is also available
2022-03-07 10:36:27 -05:00

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# IMU readings in SI-unit form.
uint64 timestamp # time since system start (microseconds)
uint64 timestamp_sample
uint32 accel_device_id # Accelerometer unique device ID for the sensor that does not change between power cycles
uint32 gyro_device_id # Gyroscope unique device ID for the sensor that does not change between power cycles
float32[3] delta_angle # delta angle about the FRD body frame XYZ-axis in rad over the integration time frame (delta_angle_dt)
float32[3] delta_velocity # delta velocity in the FRD body frame XYZ-axis in m/s over the integration time frame (delta_velocity_dt)
uint16 delta_angle_dt # integration period in microseconds
uint16 delta_velocity_dt # integration period in microseconds
uint8 CLIPPING_X = 1
uint8 CLIPPING_Y = 2
uint8 CLIPPING_Z = 4
uint8 delta_velocity_clipping # bitfield indicating if there was any accelerometer clipping (per axis) during the integration time frame
uint8 accel_calibration_count # Calibration changed counter. Monotonically increases whenever accelermeter calibration changes.
uint8 gyro_calibration_count # Calibration changed counter. Monotonically increases whenever rate gyro calibration changes.