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20 Aug 2017
INDI development team is happy to announce the release of INDI Library v1.5.0. This new exciting release builds on the maturity of INDI Library and comes with many new supported devices and fixes for existing drivers.
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TOPIC: How to use smartphone GPS with INDI-GPSD

How to use smartphone GPS with INDI-GPSD 2 months 2 weeks ago #19278

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Your steps worked great on the iPhone and my RPI3:



1. sudo apt-get install gpsd gpsd-clients
2. sudo nano /lib/systemd/system/gpsd.service

replace the ExecStart with: ExecStart=/usr/sbin/gpsd -N -b -n tcp://X.X.X.XX:XXXXXX
where x.x.x.x = the iPhone's IP address on the same wifi as RPI3
and XXXXX = the port assigned to the gps service.

3. sudo systemctl daemon-reload
4. sudo reboot
5. once on RPI3 again: systemctl status gpsd.service

Confirm running cgps -s

5. add the GPSD driver to the Auxiliary in INDI

6. On the iPhone this app worked for me: itunes.apple.com/us/app/nmea-gps/id590868529?mt=8

If you find a better app on the iPhone let me know.

Cheers!
The following user(s) said Thank You: T-Studio

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How to use smartphone GPS with INDI-GPSD 2 months 2 weeks ago #19285

Thank you for your reply.
The script I used was posted on the following site.

spench.net/drupal/software/iphone-gps


I will also try the application you taught.

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How to use smartphone GPS with INDI-GPSD 2 months 2 weeks ago #19286

Thank you for your reply.
The script I used was posted on the following site.

spench.net/drupal/software/iphone-gps

I will also try the application you taught.

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Re:How to use smartphone GPS with INDI-GPSD 2 months 2 weeks ago #19298

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I tried the script. Although I could get the the page served, it would not find my iPhone. This is why I used the iOS app instead of the script.

Just curious, does the script work for you?


Sent from my iPhone using Tapatalk Pro

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Re:How to use smartphone GPS with INDI-GPSD 2 months 2 weeks ago #19303

Thank you for your reply.
Apparently it seems that virtual sockets such as /dev/tty/pts/1 can not be handled except GPSMON.
gpsmon /tty/pts/1

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Re:How to use smartphone GPS with INDI-GPSD 2 months 2 weeks ago #19304

It is displayed in GPSMON with the above setting.

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How to use smartphone GPS with INDI-GPSD 2 months 2 weeks ago #19305

I tried the presented app.

I was checking the wireless LAN function of RaspberryPi 3, but in my environment I used RaspberryPi 3 with wireless AP, so each application, RaspberryPi 3 was recognized as a server and could not communicate.
In order to eliminate the reason why the application did not work, it seems necessary to set the wireless LAN of RaspberryPi 3 to client mode.

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How to use smartphone GPS with INDI-GPSD 2 months 1 week ago #19595

Dear Ilhoujin,

Thanks for sharing the instructions, it is working as described!

Now what I am wondering, the moment I can see the gps coordinates in Ekos, is there anything else to be done in KStars? I checked what is maintained in KStars for my location, and it deviates (see screenshot). Maybe it does not matter?

Best, Helge
Attachments:

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How to use smartphone GPS with INDI-GPSD 2 months 1 week ago #19597

KStars does not call upon a GPSD to set the geographic location. According to Jasem this is because it would be difficult to implement cross platform.
Something I asked about a while ago Here .

What you can do with GPSD is use it with the mount module, which I believe will improve pointing. And on an entirely separate use outside of KStars, it is possible to set the system clock with it, which is what I use it for because Raspberry Pi will not keep time when not powered.

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How to use smartphone GPS with INDI-GPSD 2 months 1 week ago #19598

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You can set Kstars to update the device with time and location. Still testing whether the GPS can be used to update the mount and then the mount is used to update KStars.

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How to use smartphone GPS with INDI-GPSD 1 month 1 day ago #20388

Thank you maudy, your instructions worked as described!

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How to use smartphone GPS with INDI-GPSD 1 month 1 day ago #20389

I think a number of users could benefit from this method. However, I think it would be cumbersome out in an observing field at a star party to edit /lib/systemd/system/gpsd.service every time with your iPhone's new IP address. Is there perhaps an easier way to edit this? Maybe we could modify the indi driver to do it as an option?

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