Here's the wiki on XTypes <https://github.com/weewx/weewx/wiki/WeeWX-V4-user-defined-types>. I believe John has written an XTypes extension. Between the two of you, I'm sure you can figure it out!
-tk On Sun, Sep 27, 2020 at 8:47 AM Graham Eddy <[email protected]> wrote: > i had not thought to put the collection of AQI calculations into an > extension to StdWXCalculate > > i amend my suggested split of weewx-airlink to an ‘airlink’ data > acquisition service providing PMx.x values, plus an ‘aqi’ extension to > StdWXCalculate to convert PMx.x values to AQI-related values > > and yes, i’d be happy to code this extension (mainly by pinching john’s > code) if john wanted to head that direction - i’ll have to code something > similar/simpler for myself anyway if john doesn't want to go that way (i.e. > separate ‘aqi’ (sub-)service) > > On 27 Sep 2020, at 10:28 pm, Tom Keffer <[email protected]> wrote: > > The "WeeWX way" is to emit what the hardware offers, then let > StdWXCalculate determine whether to keep it or calculate a new value in > software. > > Right now, it's fairly easy to extend StdWXCalculate to calculate new > types via the XTypes facility. Gary and I are working on a version that > will make it even easier. > > On Sat, Sep 26, 2020 at 10:30 PM Graham Eddy <[email protected]> > wrote: > >> i was about to pinch john’s code for the AQI side of things - i get PM2.5 >> values via gw1000 - when i see this new driver announced. (i have found >> ecowitt’s purported 24 hour average values very unreliable - drifting, >> random resets, etc - but the actual pm2.5 values seem fine → derive the >> averaged values myself) >> >> can i suggest that acquiring PMx.x values and deriving AQI values be kept >> as separate services? the AQI service would provide AQI xtype (mainly for >> cheetah) and convert PMx.x values in weewx packets to equivalent AQI values >> inserted into weewx packet (this is what i was going to implement). >> design-wise this would also allow support of AQI values derived from >> multiple pollution types (NO, etc) as well as abstracting the pollutant >> monitors >> >> On 27 Sep 2020, at 1:43 pm, John Kline <[email protected]> wrote: >> >> Hi Rich, >> >> I’ve created the github project here: >> https://github.com/chaunceygardiner/weewx-airlink >> >> I haven’t had any issues with the extension, but it’s not a priority for >> me until more is known about the AirLink. >> >> Cheers, >> John >> >> >> >> -- >> 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/1A05561B-6E18-4D13-B23C-7D3DCA5ADD69%40gmail.com >> <https://groups.google.com/d/msgid/weewx-user/1A05561B-6E18-4D13-B23C-7D3DCA5ADD69%40gmail.com?utm_medium=email&utm_source=footer> >> . >> > > -- > 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/CAPq0zEATLW%2BWMaguZvAN0VULz%3DbyZWHUO8CHq6V%3DmVhG7nE-Sg%40mail.gmail.com > <https://groups.google.com/d/msgid/weewx-user/CAPq0zEATLW%2BWMaguZvAN0VULz%3DbyZWHUO8CHq6V%3DmVhG7nE-Sg%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > > > -- > 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/5A2D0839-5245-4DC3-9642-09F80D65BF71%40gmail.com > <https://groups.google.com/d/msgid/weewx-user/5A2D0839-5245-4DC3-9642-09F80D65BF71%40gmail.com?utm_medium=email&utm_source=footer> > . > -- 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/CAPq0zED545gSC6m9OtdheVy%2Becjm%3DecTuB%3DM%3DXAeLiwBSj%2B28w%40mail.gmail.com.
