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 Post subject: Asus Tinkerboard
PostPosted: Mon Apr 24, 2017 1:51 am 
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EmilK - FlightAware user avatar

Joined: Sun Nov 06, 2016 9:46 am
Posts: 28
Hello there
got this toy yesterday (wife decided to surprise me)
Is there any possibility to use it instead of an Pi3? The Tinker OS seems to be debian based. Anyway, any kind of feed-back will be greatly appreciated.
Infos at
https://www.asus.com/Single-Board-Compu ... _Download/
select "others" to see the entire list.

Thanks
Emil


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 Post subject:
PostPosted: Mon Apr 24, 2017 7:31 am 
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conligwx - FlightAware user avatar

Joined: Sat Mar 18, 2017 8:00 pm
Posts: 88
Location: EGAC/EGAD
I can't see any reason why not. Just put Debian on it, then use one of the methods over here:

ads-b-flight-tracking-f21/bake-a-pi-t38885.html

And use option 2 or 3 and skip the Jessie image installation.

You will of course need to make sure SSH is enabled. Trial and error I guess.


Last edited by conligwx on Mon Apr 24, 2017 8:02 am, edited 1 time in total.

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 Post subject: Re: Asus Tinkerboard
PostPosted: Mon Apr 24, 2017 7:35 am 
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obj - FlightAware user avatar

Joined: Tue Sep 30, 2014 7:14 pm
Posts: 3463
It's a Cortex-A17 so I don't see any big deal there. No guarantees that the binary packages will work, but you should certainly be able to build from source without too much trouble.


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 Post subject: Re: Asus Tinkerboard
PostPosted: Mon Apr 24, 2017 1:22 pm 
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EmilK - FlightAware user avatar

Joined: Sun Nov 06, 2016 9:46 am
Posts: 28
https://flightaware.com/adsb/stats/user ... tats-41764
Thanks


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 Post subject: Re: Asus Tinkerboard
PostPosted: Mon Apr 24, 2017 1:42 pm 
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abcd567 - FlightAware user avatar

Joined: Sat Feb 15, 2014 3:08 am
Posts: 1980
Location: Toronto CYYZ
EmilK wrote:
https://flightaware.com/adsb/stats/user/EmilK#stats-33248

Thanks

Great! Congratulations.
Did you succeed in using available binary packages for dump1090-fa & Piaware 3.5,
OR
Did you built these from source?


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 Post subject: Re: Asus Tinkerboard
PostPosted: Mon Apr 24, 2017 1:56 pm 
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EmilK - FlightAware user avatar

Joined: Sun Nov 06, 2016 9:46 am
Posts: 28
I used the info provided by conligwx, option 2, steps 7 and 8.
Only that at start it set my location wrong but I change it.
No other problems noticed.
The 2 receivers are using the same antena but the old one (PI3 based) is using the Pro stick (orange) and the new one is using the Pro Plus version (blue).

Thanks again


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 Post subject: Re: Asus Tinkerboard
PostPosted: Sun May 14, 2017 10:06 am 
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EmilK - FlightAware user avatar

Joined: Sun Nov 06, 2016 9:46 am
Posts: 28
Update:
The system does not look really stable, is often off-line and after a restart is not receiving any airplanes, I have to restart it a few time in a row to get it working. I guessed that maybe I have some temperature problem because I received quite a lot of Ajax connection error so I modified an acrylic case to accept an 40x40 mm 5V fan but the error messages are still there but are disappearing a lot faster as without active cooling so I assume that the temp is still playing a role here.


Secondary something I still can't understand (technical description of the 2 systems that are running)

Antenna: 10 db 1090 Mhz antenna (the russian one) with an PGA103+ based LNA stated with about 16 db amp at 1 Ghz power-supplied using an external 12 V power source. Cable about 20 m of RG6.

System 1.
Flightaware Pro stick with Flightaware 1090 Filter
getting up to 1100 messages/second, max range 425 Km in the last week and 483 Km in the last month (using the statistic from adsb project page https://www.adsbreceiver.net/ )

System 2
Flightaware Pro Plus stick with an cavity filter for 1090 Mhz with a pass band 1086 - 1094 MHz, it gets max 600 messages/second and similar range as the system 1. No statistic info about range.

To mention: both system are feed over a splitter from the same antenna+amp combo.

Question why is system 2 receiving less messages as system 1?

Using system 1 with the cavity filter I have lower values (messages and range), system 2 with the Flightaware filter I have overload (messages rate in range 20-100/sec).

Thanks
Emil


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 Post subject: Re: Asus Tinkerboard
PostPosted: Sun May 21, 2017 5:55 am 
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EmilK - FlightAware user avatar

Joined: Sun Nov 06, 2016 9:46 am
Posts: 28
Since a few days I got
[2017-05-21 12:52 CEST] failed to write status file: couldn't open "/run/piaware/status.json.new": too many open files
[2017-05-21 12:52 CEST] traceback: couldn't open "/run/piaware/status.json.new": too many open files\n while executing\n"open $newfile "w""\n (procedure "write_status_file" line 6)\n invoked from within\n"write_status_file"
[2017-05-21 12:52 CEST] failed to write status file: couldn't open "/run/piaware/status.json.new": too many open files
[2017-05-21 12:52 CEST] traceback: couldn't open "/run/piaware/status.json.new": too many open files\n while executing\n"open $newfile "w""\n (procedure "write_status_file" line 6)\n invoked from within\n"write_status_file"
[2017-05-21 12:52 CEST] failed to write status file: couldn't open "/run/piaware/status.json.new": too many open files
[2017-05-21 12:52 CEST] traceback: couldn't open "/run/piaware/status.json.new": too many open files\n while executing\n"open $newfile "w""\n (procedure "write_status_file" line 6)\n invoked from within\n"write_status_file"
[2017-05-21 12:52 CEST] failed to write status file: couldn't open "/run/piaware/status.json.new": too many open files
[2017-05-21 12:52 CEST] traceback: couldn't open "/run/piaware/status.json.new": too many open files\n while executing\n"open $newfile "w""\n (procedure "write_status_file" line 6)\n invoked from within\n"write_status_file"

and on website the feeder and Mlat icons are missing....

NOT PRESENT Web Interface: View live data (requires local network connection)

NOT PRESENT PiAware

NOT PRESENT FlightAware

NOTPRESENT MLAT

But on the right side I have

Feeder Check-In: 14 minutes ago
Feeder Type: PiAware 3.5.0
Multilateration (MLAT): Supported / Enabled


Any ideas?


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 Post subject: Re: Asus Tinkerboard
PostPosted: Sun May 21, 2017 6:17 am 
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EmilK - FlightAware user avatar

Joined: Sun Nov 06, 2016 9:46 am
Posts: 28
UPDATE: A few reboots and the website looks OK now, Mlat client is also active


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 Post subject: Re: Asus Tinkerboard
PostPosted: Sun May 21, 2017 6:34 am 
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obj - FlightAware user avatar

Joined: Tue Sep 30, 2014 7:14 pm
Posts: 3463
EmilK wrote:
Since a few days I got
[2017-05-21 12:52 CEST] failed to write status file: couldn't open "/run/piaware/status.json.new": too many open files
[2017-05-21 12:52 CEST] traceback: couldn't open "/run/piaware/status.json.new": too many open files\n while executing\n"open $newfile "w""\n (procedure "write_status_file" line 6)\n invoked from within\n"write_status_file"

This is a file descriptor leak, but I don't know of any leaks in the current version of piaware. It may be a leak that's not triggered on a standard install or an older leak that has been fixed in the current piaware.

What version of piaware are you running?
What is the base distribution?
Are there other errors showing in piaware.log after a reboot?


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 Post subject: Re: Asus Tinkerboard
PostPosted: Sun May 21, 2017 7:09 am 
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EmilK - FlightAware user avatar

Joined: Sun Nov 06, 2016 9:46 am
Posts: 28
linaro@linaro-alip:~$ cat /etc/*-release

PRETTY_NAME="Debian GNU/Linux 9 (stretch)"
NAME="Debian GNU/Linux"
VERSION_ID="9"
VERSION="9 (stretch)"
ID=debian
HOME_URL="https://www.debian.org/"
SUPPORT_URL="https://www.debian.org/support"
BUG_REPORT_URL="https://bugs.debian.org/"

uname -a
Linux linaro-alip 4.4.16-00006-g4431f98-dirty #1 SMP Mon Apr 17 17:27:25 CST 2017 armv7l GNU/Linux


Piaware installed version 3.5.0

No other errors listed after reboot

Thanks


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 Post subject: Re: Asus Tinkerboard
PostPosted: Tue May 23, 2017 1:02 pm 
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EmilK - FlightAware user avatar

Joined: Sun Nov 06, 2016 9:46 am
Posts: 28
The error message appeared again....


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 Post subject: Re: Asus Tinkerboard
PostPosted: Tue May 23, 2017 1:23 pm 
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FlightAware Staff
obj - FlightAware user avatar

Joined: Tue Sep 30, 2014 7:14 pm
Posts: 3463
Try running lsof against the piaware process when it's in that state to see what the leaked descriptors are.


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