I would be cautious about powering the fineoffset from the pizero, and would prefer to have a powered hub to power the weather station. The usb interface on the fineoffsets is somewhat finicky at the best of times!! Inadequate power supplies are behind many issues with rpi and weather stations.
the database should always reflect good data. On Tuesday, 8 October 2019 12:56:13 UTC+3, Pila wrote: > > Amazing amount of work and detail went into WeeWX! It is hard to find what > can not be adjusted. > > I parse data from a small text only report I added. I think: > > $current.DateTime.Raw > > is adequate. No need for $latest in this context? $current will be the > time report was generated. If too old... > > > > Na 8. listopada 2019. 04:19:23 CEST, Andrew Milner <[email protected] > <javascript:>> wrote: >> >> as i said if communication is lost no data is saved in the database - so >> you will not have n/a, null or anything else in the database. in fact >> weewx will ultimately stop running and eventually do a restart. the >> symptom will be shown by the time of the generated html file - which will >> be older than 5 minutes ago (or whatever archive period you have >> specified). do my test and see what happens. >> >> >> >> On Monday, 7 October 2019 21:15:43 UTC+3, Pila wrote: >>> >>> I meant: my external program parses output. How will my program know USB >>> broke down? What value in my program should i test to find reset is needed? >>> Will N/A be saved? >>> >>> Na 7. listopada 2019. 15:26:17 CEST, Andrew Milner <[email protected]> >>> wrote: >>>> >>>> the driver will log an error if communication with the fine offset is >>>> lost, and does not continue to store data in the database until >>>> communication is restored. >>>> >>>> >>>> >>>> >>>> >>>> On Monday, 7 October 2019 16:19:19 UTC+3, Pila wrote: >>>>> >>>>> I export InTemp to check if my USB connection to the First Offset >>>>> dropped dead. >>>>> >>>>> InTemp $current.inTemp.format(add_label=False) >>>>> InTemp $current.inTemp.raw >>>>> >>>>> What will be produced in case of null data? What do I need to test? >>>>> >>>>> In the first case, I expect N/A to mean USB connection is lost. I am >>>>> guessing N/A will not be in raw data. An empty field? >>>>> >>>>> So, probably the first line is a better choice for such purpose? >>>>> >>>>> -- 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/69bd7051-81fe-4119-b6c6-72f3934678fe%40googlegroups.com.
