asked 2016-06-27 01:24:41 -0600

balduros gravatar image

Hi all

I'm working on a project involving a pixhawk running ArduSub. The pixhawk is serially connected to an Odroid running mavros. Beside from the pixhawk's internal barometer, it is equipped with an external barometer used for measuring water depth. From QGC MAVLink Inspector I can see the two sensor values as SCALED_PRESSURE (internal barometer) and SCALED_PRESSURE2 (external barometer).

My question is: Is there a mavros topic I can subscribe in order to get access to the external barometer pressure values (SCALED_PRESSURE2). Running: $ rostopic echo /mavros/imu/atm_pressure/fluid_pressure will provide me with the internal barometer pressure values (SCALED_PRESSURE).

Best Regards, Andreas

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