Re: [Paparazzi-devel] Lisa/L Baro setup

[Eric BAHIER]

Hi,

I have changed the first R divider , just after the sensor, with 2 100K 
resistors,
Now the read value is not over the full range,

Now the quad can know his altitude....

Regards,

Eric


Le 03/10/2012 20:56, Eric BAHIER a écrit :
> hi,
>
> Today I try NAV fly on the Quad with LISA/L (I have allready do it 
> with booz and LISA/M)
>
> Every test has been done at sea level (field at 40m, lab at 50m)
>
>
> The Altitude stay to groud... during manual fly....
>
> With reading the RAWDATA, the AD is at 327xx... (15bits to 1).... if I 
> plug a tub and inspire.... the value go dowm up to -32xxx.
>
> I had look  with oscilloscope, the signal is to 3v (same as on the 
> vale on schematics);, but it allready the MAX for the ADC (ADS1114).
>
>
> It's easly to change the first R divider to have a non-maximum value.
>
>  But before do it, I would like to know witch value has been tested 
> with success, and witch parameters must be change in the xml file?
>
> Thank for your help,
>
>
> Best regards,
>
> Eric
>
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Eric BAHIER
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