I've already tried 2 and 3. I could procure a powered hub but I assumed that the power_cycle_station code in fousb.py was there for all those people for whom your 3 steps did not resolve the problem. For the time being I've modified my config to pretend that I have a powered USB hub and rather than calling power_cycle_station when the console hangs I have added a line to reboot the Pi. I'll see what that does.
On Tuesday, 12 December 2017 14:16:36 UTC, Andrew Milner wrote: > > 1. Do not use the rpi usb port directly, use a powered hub to power the > station (but I also keep batteries in the station)- even if you cannot > switch the port on and off > 2. Ensure the usb cable to the station goes nowehere near power supplies > or screens - route it carefully away from all sources of possible > interference. > 3. Consider magnetic rings for the usb lead - again to reduce interference > issues > > Following the above 'rules' my Fine Offset very rarely 'locks up', and in > fact I cannot remember when I last had a problem - so have never needed to > use the powered hub reset method. > > It seems to me that one is better solving the cause, or minimising the > chances of lock up occurring, rather than focussing on recovery methods. > > > > On Tuesday, 12 December 2017 14:31:42 UTC+2, Redanman wrote: > >> Yes, I did look at the Wiki on FineOffset lock-ups, but as I mentioned in >> post I do not have a powered hub. A solution for me seems to be intimated >> in the latter part of the post with a dedicated scripted to look at the >> syslog file and react to the specific message related to USB hang-ups. The >> Pi shuts downs in a coordinated fashion and then a 555 watchdog restarts >> the Pi. That would work for me although I would prefer to just do "sudo >> reboot" rather than mess with a 555 circuit. I was hoping for some more >> details on this solution. >> >> On Tuesday, 12 December 2017 08:58:16 UTC, Thorsten Wöll wrote: >>> >>> Take a close look here: >>> >>> https://github.com/weewx/weewx/wiki/FineOffset-USB-lockup >>> >>> Am Montag, 11. Dezember 2017 23:54:03 UTC+1 schrieb Redanman: >>>> >>>> My old WH1080 is getting more more and more USB hang-ups. I have to >>>> reset the unit (remove the USB cable) to reboot the it. I obviously lose >>>> the data in the circular buffer, so, depending on when I notice the >>>> hang-up, it leads to data loss of several hours or even days. >>>> I power the WH1080 through the USB cable connected to my Pi, but I do >>>> not have a USB hub, so cannot cycle the power through the hub. I have >>>> noticed that if I reboot the Pi it cycles the power on the Pi's own USB >>>> ports, so resetting the WH1080. Is it possible to do this automatically >>>> within Weewx if it detects a USB hang-up? >>>> Mike >>> >>> -- 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. For more options, visit https://groups.google.com/d/optout.
