DifferentialPressure (повідомлення UORB)
c
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 differential_pressure_pa # differential pressure reading in Pascals (may be negative)
float32 temperature # Temperature provided by sensor in degrees Celsius, NAN if unknown
uint32 error_count # Number of errors detected by driver