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Re: [gpsd-users] gpxlogger daemon mode is not working?

From: Beat Bolli
Subject: Re: [gpsd-users] gpxlogger daemon mode is not working?
Date: Fri, 5 Feb 2016 18:22:29 +0100
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:38.0) Gecko/20100101 Thunderbird/38.5.1

On 04.02.16 19:20, wrote:
> Hi,
> I am using Raspbian Jessie with GPSD 3.17-dev manually compiled. The GPS
> data runs through the serial port.
> Everything works fine so far.
> I start gpsd and gpxlogger via rc.local at startup and if my GPS chip
> has a fix on startup the gpxlogger starts logging.
> I use the following options:
> #Rc.local:
> gpsd /dev/ttyAMA0 -F /var/run/gpsd.sock
> gpxlogger -d -i 30 -m 5 -f /home/pi/trip_log_`date
> +"%Y-%m-%d_%H%M%S"`.gpx /dev/ttyAMA0
> The idea ist hat if gpxlogger loses the fix for more than 30 seconds it
> starts a new fileā€¦ I read it in a forum that that was the way
> Its meant to be and of course my understanding of a daemon.
> My problem is that it exits without error if it loses the fix.
> Of course I need it to be unattended so I cant always check if it is
> still running.
> Any suggestions?

You need to restart the logger when it quits:

while true; do
    gpxlogger -d -i 30 -m 5 -f /home/pi/trip_log_$(date
+"%Y-%m-%d_%H%M%S").gpx /dev/ttyAMA0

This way, the loop repeats until the shutdown command kills all processes.


pgp: 0x506A903A; 49D5 794A EA77 F907 764F  D89E 304B 93CF 506A 903A
icbm: 47.0452 N, 7.2715 E

"It takes love over gold, and mind over matter" -- Dire Straits

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