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Re: [Paparazzi-devel] Critical behaviour of baro_ms5611_i2c

From: afishindouban
Subject: Re: [Paparazzi-devel] Critical behaviour of baro_ms5611_i2c
Date: Tue, 7 Oct 2014 18:10:11 -0700 (MST)

Hi Felix and who may have same concert about this problem.

The problem solved. using V5.2 default airframe configuration of
Microjet_LisaM tested, all spike disappear and z value quit precision. in
airframe, the PERIODIC, AHRS_PROPAGATE, AHRS_CORRECT frequency can not be
120, 100, 100.
have to be as default value or set all to 512 in airframe XML.

As Pranay thought, sensor outputting raw data a very high frequency, they
don't do any internal filtering. so the AP firmware need to run at high
frequency to deal with filtering.


flixr wrote
> Hi Kevin,
> you could add 
> <define name="DEBUG"/>
>  and you should get a BARO_MS5611
> message with every measurement to make sure that the readings are ok.
> While the handling with fixed DT in ins_alt_float is not ideal, I
> currently
> can't reproduce your issue...
> Cheers, Felix

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