I’m currently doing this to a Citroën C5 III (2015). The hdd in the old infotainment system broke, so I had a reason to do it, and adding a few features couldn’t hurt.
It’s a huge pain to get to find information about anything in this car and to get anything to work properly, but I hope it’ll be worth it.
If you ever want to try it, here are the config files and commands from my bash history.
https://codeberg.org/KaninchenSpeed/c5-car/src/branch/main/gps
The geoclue file is set up for organic maps.
You can also run organic maps without flatpak, but you might need to compile it yourself.
I’m currently doing the same project.
To get gps to work on linux, you configure gpsd to get the data from your gps module and setup geoclue to get its data from gpsd. I lost the config files but I remember that I did the gpsd geoclue connection by echoing the gps data of gpsd into a netcat socket and connecting geoclue to it. Organic maps then automaticly gets its position from geoclue.
Im also working on a organic maps fork, which shows onscreen directions on linux.
You need to change a setting in windows for remmina to work. I don’t remember which one it was but I think it was some where in the remotedesktop settings.