I get a permission error for /dev/ttyUSB0
However, there should be no problem accessing ttyUSB0 (Vantage driver)
weectl device --info runs just fine:
-----------------------------------------------
# weectl device --info
Using configuration file /etc/weewx/weewx.conf
Using driver weewx.drivers.vantage.
Using Vantage driver version 3.6.2 (weewx.drivers.vantage)
Querying...
Davis Vantage EEPROM settings:
CONSOLE TYPE: Vantage Vue
(etc.)
-----------------------------------------------
× weewx.service - WeeWX
Loaded: loaded (/lib/systemd/system/weewx.service; enabled; preset:
enabled)
Active: failed (Result: exit-code) since Mon 2024-02-05 08:31:01 CET;
2s ago
Duration: 100ms
Docs: https://weewx.com/docs
Process: 2627140 ExecStart=weewxd /etc/weewx/weewx.conf (code=exited,
status=4)
Main PID: 2627140 (code=exited, status=4)
CPU: 89ms
Feb 05 08:31:01 weewxd[2627140]: CRITICAL weewx.engine: ****
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Feb 05 08:31:01 weewxd[2627140]: CRITICAL weewx.engine: **** File
"/usr/lib/python3/dist-packages/serial/serialutil.py", line 244, in __init__
Feb 05 08:31:01 weewxd[2627140]: CRITICAL weewx.engine: ****
self.open()
Feb 05 08:31:01 weewxd[2627140]: CRITICAL weewx.engine: **** File
"/usr/lib/python3/dist-packages/serial/serialposix.py", line 325, in open
Feb 05 08:31:01 weewxd[2627140]: CRITICAL weewx.engine: **** raise
SerialException(msg.errno, "could not open port {}: {}".format(self._port,
msg))
Feb 05 08:31:01 weewxd[2627140]: CRITICAL weewx.engine: ****
serial.serialutil.SerialException: [Errno 16] could not open port
/dev/ttyUSB0: [Errno 16] Device or resource busy: '/dev/ttyUSB0'
Feb 05 08:31:01 weewxd[2627140]: CRITICAL __main__: Unable to load driver:
[Errno 16] could not open port /dev/ttyUSB0: [Errno 16] Device or resource
busy: '/dev/ttyUSB0'
Feb 05 08:31:01 weewxd[2627140]: CRITICAL __main__: **** Exiting...
Feb 05 08:31:01 systemd[1]: weewx.service: Main process exited,
code=exited, status=4/NOPERMISSION
Feb 05 08:31:01 systemd[1]: weewx.service: Failed with result 'exit-code'.
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