Yes there is. Flarm only sends traffic data when the baudrate is equal
or above 19200, so at 4800 you will get only the GPS information but the
FLARM radar will not work...
Turbo
Am 30.04.2011 23:14, schrieb Adrien Ott:
Whow, thanks a lot for the quick answers,
yes, it really helps!
Since I should not modify the config of the Flarm (goal is to be as
transparent as possible for the gliders of the club), are there any
reasons Flarm radar should get 19200bauds setting rather than 4800 for
instance?
I think I will make a kind of manual switch between "legacy" GPS
antenna (own position only) and Flarm (own position + trafics), in
case glider battery (which supplies Flarm) turns empty in flight.
Thanks again
Have nice flights
Adrien
2011/4/30 Tobias Bieniek <tobias.bien...@gmx.de
<mailto:tobias.bien...@gmx.de>>
Hi Adrien,
my answers are in the text...
Turbo
Am 30.04.2011 16:42, schrieb Adrien Ott:
Hi,
The Flarm radar functionality pushes me to possibly change the
way I provide GPS data to the device I use XCSoar with.
I am using XCSoar 6.1.alpha with an old iPaq 1950 (WM5, no
internal GPS, no bluetooth), connected via COM1 to an external
GPS antenna. According to the iPaq plug description
<http://pinouts.ru/PDA/ipaq_22p_pinout.shtml>, only one serial
input is available, which is presumably currently used by my antenna.
If I wish to use the Flarm radar function of XCSoar, I guess I
need to get the appropriate data from the Flarm (an original
device with RJ45 et RJ12 plugs at the back). This appropriate
data is the sentence PFLAU according to the Flarm Dataport manual
and available on both RJ45 and RJ12. Problem is RJ45 is not
available because it is used to power the Flarm device, and the
available RJ12 doesn't provide GPS "own" position.
My questions are:
- Can Flarm be used as a GPS position provider to XCSoar
(sentences GPRMC or GPGGA I guess), in place of current external
GPS antenna?
Yes, I have exactly that setup in my glider.
- Does anyone ever tried to catch these data from the RJ45? (in
order to get the appropriate pins: 5 - Flarm TX and 7 - GND),
what kind of assembly did you use?
Yes, I connected these two/three pins to an D-SUB-9 connector in
my panel and connected the PDA to that connector...
- Do you think the Flarm radar functionality requires more recent
hardware (with regards to performance),
No, I guess your hardware should be fine for this...
- any simpler idea? (without changing my iPaq!)
Unfortunatly no, sorry...!
Thanks
Nice flights
Adrien
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