What is a good way to test the symlink rule to verify that it was created
correctly? There is the new file in /dev/weather but is there a more
complete way to test? thank you
On Tuesday, November 17, 2020 at 7:29:08 PM UTC-6 Greg from Oz wrote:
> I set my fineoffset rule to:
>
> SUBSYSTEM=="usb", ATTRS{idVendor}=="1941", ATTRS{idProduct}=="8021",
> MODE="0666", GROUP="plugdev", SYMLINK+="weather"
>
> That way it is always /dev/weather regardless of the ttyUsb it is attached
> to.
>
> ll /dev/weather
> lrwxrwxrwx 1 root root 15 Nov 17 09:26 /dev/weather -> bus/usb/002/002
>
> On Wednesday, 18 November 2020 at 12:14:53 UTC+11 [email protected] wrote:
>
>> Are you sure? Depending on what permissions the usb port has, you may
>> need to use sudo to run lsof:
>>
>> *sudo lsof /dev/ttyUSB0*
>>
>> Come to think of it, you may have to do that with minicom, too.
>>
>> Personally, I change the udev rule that governs permissions for usb
>> devices to give everyone access to the port. The rule that governs this is
>> most likely in the directory /lib/udev/rules.d, but which file it is in
>> depends on the operating system. I believe on Raspbian, it's in file
>> 91-permissions.rules, but it may be in 50-udev-default.rules. Wherever
>> you find it, you want to change this
>>
>> SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", MODE="0664"
>>
>> to this
>>
>> SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", MODE="0666"
>>
>>
>> -tk
>>
>> On Tue, Nov 17, 2020 at 3:07 PM [email protected] <[email protected]> wrote:
>>
>>>
>>> Thanks everyone, I think I have a bad logger (6540).
>>> On Tuesday, November 17, 2020 at 9:41:56 AM UTC-5 [email protected] wrote:
>>>
>>>> root@raspberrypi:/home/pi# ll /dev/ttyUSB0
>>>> crw-rw---- 1 root dialout 188, 0 Nov 16 17:48 /dev/ttyUSB0
>>>>
>>>>
>>>> root@raspberrypi:/home/pi# lsof /dev/ttyUSB0
>>>> lsof: WARNING: can't stat() fuse.gvfsd-fuse file system
>>>> /run/user/1000/gvfs
>>>> Output information may be incomplete.
>>>>
>>>> On Monday, November 16, 2020 at 8:43:34 PM UTC-5 [email protected]
>>>> wrote:
>>>>
>>>>> If it were a permissions problem, it would have said so. Same if
>>>>> modemmanager controlled the port. Still, it doesn't hurt to try lsof and
>>>>> see if anything else is using the port.
>>>>>
>>>>> *lsof /dev/ttyUSB0*
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Mon, Nov 16, 2020 at 5:36 PM Greg from Oz <[email protected]>
>>>>> wrote:
>>>>>
>>>>>> Is the user running this in the dialout group?
>>>>>>
>>>>>> On Tuesday, 17 November 2020 at 12:30:14 UTC+11 [email protected]
>>>>>> wrote:
>>>>>>
>>>>>>> The only thing I can think of to try is to reseat the logger.
>>>>>>>
>>>>>>> Unless, you actually have the serial version of the VantagePro and
>>>>>>> are using a serial-to-usb converter. They are notoriously flakey. If
>>>>>>> you
>>>>>>> have a spare one, try that.
>>>>>>>
>>>>>>> If none of that works, call Davis.
>>>>>>>
>>>>>>> On Mon, Nov 16, 2020 at 5:04 PM [email protected] <[email protected]>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Yes, I did hit enter many times. Since dmesg said that the usb had
>>>>>>>> attached to ttyUSB0 then I assumed (maybe incorrectly) the rpi had
>>>>>>>> connected. I’m at a loss because everything was working... Thanks.
>>>>>>>>
>>>>>>>> On Monday, November 16, 2020 at 7:59:54 PM UTC-5 [email protected]
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>> OK, but did you hit <enter> a few times before typing "TEST"? If
>>>>>>>>> so, you have a connectivity problem, not a WeeWX problem.
>>>>>>>>>
>>>>>>>>> But, you probably already knew that!
>>>>>>>>>
>>>>>>>>> -tk
>>>>>>>>>
>>>>>>>>> On Mon, Nov 16, 2020 at 4:57 PM [email protected] <[email protected]>
>>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> I don’t remember the minicom string but it was the one posted to
>>>>>>>>>> test TEST. When I opened minicom it just sat there no echo on TEST
>>>>>>>>>> or VER.
>>>>>>>>>> No reply. Several reboots no results. /dev/ttyUSB0 is there but does
>>>>>>>>>> not
>>>>>>>>>> respond. Dmesg Seems to have found it.
>>>>>>>>>> I checked all plugs and connections. Removed batteries from
>>>>>>>>>> console to reboot. Even tried new RS232/USB dongle. I have a main
>>>>>>>>>> ubuntu
>>>>>>>>>> linux pc running from the ISS so I know that’s working and sending
>>>>>>>>>> data.
>>>>>>>>>> The rpi is setup as a second console which was running weather34.
>>>>>>>>>> Thanks
>>>>>>>>>> Tom and Graham (you helped me in the days of wview).
>>>>>>>>>> Bob
>>>>>>>>>> Main setup: grattans.org/wx
>>>>>>>>>> On Monday, November 16, 2020 at 6:43:17 PM UTC-5 [email protected]
>>>>>>>>>> wrote:
>>>>>>>>>>
>>>>>>>>>>> When you say you "tried listening to the console with minicom
>>>>>>>>>>> but got no data" what do you mean?
>>>>>>>>>>>
>>>>>>>>>>> In particular, did you set the baudrate? And, did you type
>>>>>>>>>>> <enter> a few types before trying to type TEST?
>>>>>>>>>>>
>>>>>>>>>>> -tk
>>>>>>>>>>>
>>>>>>>>>>> On Mon, Nov 16, 2020 at 2:55 PM [email protected] <[email protected]>
>>>>>>>>>>> wrote:
>>>>>>>>>>>
>>>>>>>>>>>> I have a VP2 console that I am connecting to an RPI OS
>>>>>>>>>>>> (latest). Weewx is latest using setup.py. This RPI was running
>>>>>>>>>>>> weewx
>>>>>>>>>>>> (jessie) with no problems and using ttyUSB0 from weewx.conf. The
>>>>>>>>>>>> vantage
>>>>>>>>>>>> driver seems ok and I actually moved the old one over to be sure.
>>>>>>>>>>>> I tried listening to the console with minicom but got no data.
>>>>>>>>>>>> I swapped out the RS232/USB converter but got the same problem.
>>>>>>>>>>>> Not sure
>>>>>>>>>>>> what I have done wrong, other than trying to fix something that
>>>>>>>>>>>> wasn't
>>>>>>>>>>>> broken...
>>>>>>>>>>>>
>>>>>>>>>>>> Attached file of some debug info.
>>>>>>>>>>>>
>>>>>>>>>>>> Thanks for any suggestions.
>>>>>>>>>>>>
>>>>>>>>>>>> Bob
>>>>>>>>>>>>
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