Glenn Thanks for the detailed information very informative
i guess i will keep a good working .img file nice and safe If and when i do any upgrade i have something to fall back on I know if we never upgraded we would still be using DOS or win 3.1 but sometimes its a headache thanks again On Thursday, July 18, 2019 at 8:55:42 AM UTC+1, vigilancewx 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 weewx-user+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/a6c9a19a-910f-4e25-a4da-7da4c8f91c1c%40googlegroups.com.
