This sounds familiar. Reviewing an older post shows some similarities with this info.
https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!searchin/weewx- user/exNoController|sort:date/weewx-user/CfhGLIF8aaU/Cbjjo4wvBAAJ Not all of that will apply to your situation but I think the first part will. If it does, skip to the last post in that thread where Howard Walter gives an excellent outline of the steps required to implement the newer method. If that solves it for you, confirm the fix here and we'll post Howards outline on the wiki. On 18/07/2019, vigilancewx <[email protected]> wrote: > I have used OWFS service for a few years and its worked flawlessly > > I am trying to get it to work on a new PI4 but i cant get to read any > sensors > > > I have followed the owfs service installation guide as in the past > > > > > pi@raspberrypi:~/Myideas $ sudo PYTHONPATH=/home/weewx/bin python > /home/weewx/bin/user/owfs.py --sensors > Traceback (most recent call last): > File "/home/weewx/bin/user/owfs.py", line 618, in <module> > main() > File "/home/weewx/bin/user/owfs.py", line 578, in main > ow.init(iface) > File "/usr/lib/python2.7/dist-packages/ow/__init__.py", line 221, in init > raise exNoController > ow.exNoController > > Previously i think the only time i have had the above error is when i have > > forgotten to plug the dalas adapter in to a USB port > > it appears the service cant read my usb port > > from the syslog file > Jul 18 08:29:44 raspberrypi OWFS[3132]: DEFAULT: owlib.c:(208) Cannot open > USB bus master > Jul 18 08:29:44 raspberrypi OWFS[3132]: DEFAULT: owlib.c:(52) No valid > 1-wire buses found > > but the device is connected > > > pi@raspberrypi:~/Myideas $ lsusb > Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub > Bus 001 Device 003: ID 04fa:2490 Dallas Semiconductor DS1490F 2-in-1 Fob, > 1-Wire adapter > Bus 001 Device 002: ID 2109:3431 VIA Labs, Inc. Hub > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > pi@raspberrypi:~/Myideas $ > > > any ideas how to read the senors?? > > thanks for any help > > > -- > You received this message because you are subscribed to the Google Groups > "weewx-user" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/weewx-user/91744861-af7c-4378-8190-c1fc6ae425ca%40googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- Cheers Glenn rorpi - read only raspberry pi & various weewx addons https://github.com/glennmckechnie -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/CAAraAzgOLd%2Bbq1kKgiqe6zWA15QqmQcGFmrk6kN-ELWv8giN3Q%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
