SensorBaro (UORB message)

Barometer sensor.

This is populated by barometer drivers and used by the EKF2 estimator. The information is published in the SCALED_PRESSURE_n MAVLink messages (along with information from a corresponding DifferentialPressure instance).

TOPICS: sensor_baro

Fields

Name	Type	Unit [Frame]	Range/Enum	Description
timestamp	uint64	us		Time of publication (since system start)
timestamp_sample	uint64	us		Time of raw data capture
device_id	uint32			Unique device ID for the sensor that does not change between power cycles
pressure	float32	Pa		Static pressure measurement
temperature	float32	degC		Temperature.
error_count	uint32			Number of errors detected by driver.

Constants

Name	Type	Value	Description
ORB_QUEUE_LENGTH	uint8	4

Source Message

Source file (GitHub)

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# Barometer sensor
#
# This is populated by barometer drivers and used by the EKF2 estimator.
# The information is published in the `SCALED_PRESSURE_n` MAVLink messages (along with information from a corresponding `DifferentialPressure` instance).

uint64 timestamp         # [us] Time of publication (since system start)
uint64 timestamp_sample  # [us] Time of raw data capture

uint32 device_id     # [-] Unique device ID for the sensor that does not change between power cycles
float32 pressure     # [Pa] Static pressure measurement
float32 temperature  # [degC] Temperature.
uint32 error_count   # [-] Number of errors detected by driver.

uint8 ORB_QUEUE_LENGTH = 4