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PX4-Autopilot/docs/en/msg_docs/SensorMag.md
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SensorMag (UORB message)

TOPICS: sensor_mag

Fields

Name Type Unit [Frame] Range/Enum Description
timestamp uint64 time since system start (microseconds)
timestamp_sample uint64
device_id uint32 unique device ID for the sensor that does not change between power cycles
x float32 magnetic field in the FRD board frame X-axis in Gauss
y float32 magnetic field in the FRD board frame Y-axis in Gauss
z float32 magnetic field in the FRD board frame Z-axis in Gauss
temperature float32 temperature in degrees Celsius
error_count uint32

Constants

Name Type Value Description
ORB_QUEUE_LENGTH uint8 4

Source Message

Source file (GitHub)

::: details Click here to see original file

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 x                 # magnetic field in the FRD board frame X-axis in Gauss
float32 y                 # magnetic field in the FRD board frame Y-axis in Gauss
float32 z                 # magnetic field in the FRD board frame Z-axis in Gauss

float32 temperature       # temperature in degrees Celsius

uint32 error_count

uint8 ORB_QUEUE_LENGTH = 4

:::