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Old 11-11-2019, 23:26   #1
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Cannot access symlink port

Hi everybody,
Not sure if creating a new thread is the correct way of asking a technical question, if not so, please have pity of me and forgive me.
I am running opencpn on raspbian buster (pi4). GPS and AIS are connected through usb-serial adapters, and to avoid casual ttyUSB numbers to be assigned, I have added a rule that creates a com port named AIS (using SYMLINK). It works, I can list the port and even receive nmea data by using minicom, but opencpn still cannot see the port, the only ones listed are just the ordinary ttyUSB*.
Running "ls - l /dev/AIS" returns
"lrwxrwxrwx 1 root root 7 Nov 12 07:14 - > ttyUSB0".
Is it a problem of permissions granted to users? "root root" means that the owner is root and the group is root, doesn't it? I even tried to run opencpn from terminal with "sudo opencpn", nothing. Can anyone help with this?
Many thanks
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Old 12-11-2019, 00:13   #2
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Re: Cannot access symlink port

Solved, it is just that opencpn does not like any name other than "ttysomething". I changed AIS to ttyUSB-AIS and now it's working fine. Thanks anyway. Hope this will be helpful for someone else
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