Hi

Just tried this method and it has worked on 3 separate  installs

one question when i update or upgrade the pi will it over write these 
files?? causing it to fail 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
>
>
>

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