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Re: [Paparazzi-devel] FrSky D4R-II CPPM Issues with 27ms firmware

From: Tim
Subject: Re: [Paparazzi-devel] FrSky D4R-II CPPM Issues with 27ms firmware
Date: Sat, 11 Oct 2014 14:50:54 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.1.2

Thank you Dylan! This works!
Must be the sync_max :-]

hope this helps other people googling this issue like I was :-)

- Tim

On 11/10/14 11:33, Dylan Brunello wrote:
Hi Tim,

Try this for the radio config file, I use it with a D4R-II:

<?xml version="1.0"?>

 FrSky D8R 2 Plus receiver
 Don't forget to jumper channels 3 & 4
 CPPM on channel 1

<!DOCTYPE radio SYSTEM "radio.dtd">
<radio name="FrSky D8R 2 Plus" data_min="990" data_max="2020" sync_min ="5000" sync_max ="27000" pulse_type="POSITIVE">
 <channel ctl="1" function="YAW"      min="991"  neutral="1506" max="2014" average="0"/>
 <channel ctl="2" function="PITCH"    min="992"  neutral="1504" max="2016" average="0"/>
 <channel ctl="3" function="THROTTLE" min="1000" neutral="1000" max="2015" average="0"/>
 <channel ctl="4" function="ROLL"     min="995"  neutral="1501" max="2014" average="0"/>
 <channel ctl="5" function="MODE"     min="992"  neutral="1248" max="1761" average="1"/>
 <channel ctl="6" function="GAIN1"    min="1100" neutral="1520" max="1940" average="1"/>
 <channel ctl="7" function="GAIN2"    min="1100" neutral="1520" max="1940" average="1"/>
 <channel ctl="8" function="GAIN3"    min="1100" neutral="1520" max="1940" average="1"/>


On Sat, Oct 11, 2014 at 12:26 PM, [TAC]Badmaster <address@hidden> wrote:
Hi all

I am trying to use the FrSky D4R-II receiver but *only* get input when
moving two channels above 75% or below 25%...

The firmware I am using is 27ms and 8 channel configured on my taranis.
The Radio config is something like this: on
the Lisa/M (Quadshot) Board.

Do I have to change something in the config, given that it uses 27ms for the
PPM Signal or should this not be a problem? For example do I have to
increase sync_max to account for the 27ms?

Is there a way to get a "terminal" or a "console" via USB on the Lisa/M to
debug things like receiver input values?

Any help would be greatly appreciated!

Best regards,
- Tim

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