Telemetry Rate Params

[Mike Klinker]

Hi- I think I have found an issue with the telemetry parameters (SR_1_*). I am trying to up the attitude and location telemetry rates to 10hz, but no matter what you set the parameters, the pixhawk only fires them off at 4-5 hz. 

I have set them all to 1, all to 10, and a mix in between, and my attitude callback still fires off at 4-5hz. Am I mis-interpretting what these SR_1_* parameters do, or do they not do anything (as I am finding)? 

Long story short, I need to be able to log the current attitude and location using Drone Kit on my Raspberry Pi 2 onboard my UAV. 

Quick info on the setup:

I am running a Pixhawk with ArduCopter 3.2.1

Raspberry Pi 2 companion computer 

115200 baudrate via RaspPi Tx/Rx GPIO

Telem 1 port on the pixhawk

Thanks-

Mike 

[Pierre Kancir]

Hi !

Do you connect to a GCS : mission planner or apmplanner ? Because GCS are setting their parameters on SR1 and always overloading those you define...

[Mike Klinker]

I am using Mission Planner, but communication between Mission Planner and the Pixhawk is through mavproxy on the companion computer. 

I am not sure what you mean but the GCS overloading those parameters -- Is there a way that I can modify Mavproxy to overload the SR1 params to what I want (10hz update)?

Mike

[Tom Pittenger]

Once MissionPlanner connects, it sets some of the SR values.

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[Tom Pittenger]

See these two MP issues:

https://github.com/diydrones/MissionPlanner/issues/1004

https://github.com/diydrones/MissionPlanner/issues/1006

[Eric Liao]

Mavproxy also sets the SR values every few seconds.  You can disable this by passing in --streamrate=-1