Forscan and Linux
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Tuned
Joined: Jun 2023
Posts: 348
Likes: 146
From: Houston
Forscan and Linux
Not sure if this belongs here or some other general tuning forum but...
What's needed to get Wine to recognize the OBD2 adapter? I created a symlink between /dev/ttyUSB0 and a com port in ~/.wine/dosdevices/. Forscan doesn't see it. I have a Windows laptop that works but it's not mine. Would like to have this laptop work if possible.
What's needed to get Wine to recognize the OBD2 adapter? I created a symlink between /dev/ttyUSB0 and a com port in ~/.wine/dosdevices/. Forscan doesn't see it. I have a Windows laptop that works but it's not mine. Would like to have this laptop work if possible.
Laughing Gas
Joined: Sep 2023
Posts: 800
Likes: 540
From: NE Ohio
Check out these older threads on the Forscan user forum
https://forscan.org/forum/viewtopic.php?p=7878
https://forscan.org/forum/viewtopic.php?f=5&t=853#p2727
The OS X thread is worth reading through too given it is just BSD.
https://forscan.org/forum/viewtopic.php?p=7878
https://forscan.org/forum/viewtopic.php?f=5&t=853#p2727
The OS X thread is worth reading through too given it is just BSD.
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Tuned
Joined: Jun 2023
Posts: 348
Likes: 146
From: Houston
Got it working. Access to the /dev/ttyUSB0 port was limited to the root user. I added read/write to everyone and that resolved it. I may experiment to figure out what wine user needs to be added to the correct group so I don't need to open up the device to everyone or create a custom device with its own permissions but it works for now and I'm satisfied for the time being.
Created a custom device like so that modifies permissions just for this adapter. Create the file below if it doesn't exist. Get the IDs for your adapter with dmesg. This udev step was in one of the shared posts above but the MODE parameter was the magic sauce that adjusts permissions for the /dev/ttyUSB device just for this adapter.
$ cat /etc/udev/rules.d/10-local.rules
SUBSYSTEM=="tty", ATTRS{idVendor}=="1a86", ATTRS{idProduct}=="7523", SYMLINK+="elm327", MODE="0666"
Run 'wine regedit' and link a COM port to your /dev/elm327 (or whatever name you choose) device. These steps were also shared above. Manual symlinks would get overwritten by defaults when the wine service would restart until the registry values were updated.
Created a custom device like so that modifies permissions just for this adapter. Create the file below if it doesn't exist. Get the IDs for your adapter with dmesg. This udev step was in one of the shared posts above but the MODE parameter was the magic sauce that adjusts permissions for the /dev/ttyUSB device just for this adapter.
$ cat /etc/udev/rules.d/10-local.rules
SUBSYSTEM=="tty", ATTRS{idVendor}=="1a86", ATTRS{idProduct}=="7523", SYMLINK+="elm327", MODE="0666"
Run 'wine regedit' and link a COM port to your /dev/elm327 (or whatever name you choose) device. These steps were also shared above. Manual symlinks would get overwritten by defaults when the wine service would restart until the registry values were updated.
Last edited by Peej11; Dec 28, 2023 at 09:51 PM. Reason: Add some instructions
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