clear thanks Matt .
Now I have a another question (sorry ) where you define the listening frequency of SDR dongle ? I'm trying d test the Fine Offset Wh 1080 at 860 mhz but I do not see any packet, while if launched from the command prompt: rtl_433 -f 860 ... everything works correctly M. Il giorno venerdì 9 settembre 2016 16:02:22 UTC+2, mwall ha scritto: > > > > On Friday, September 9, 2016 at 8:00:11 AM UTC-4, Marco Tibaldi wrote: >> >> Matt, just to understand: >> with your driver is sufficient to map the output of the sensors and make >> them coincide with the database tables? >> and, >> with this method it is possible to map unknown sensors ? >> >> > > the [[sensor_map]] associates the observations with database fields. so i > think that is a 'yes' to your first question. > > the answer to the second is more complicated. > > any driver has the following steps: > > 1) obtain data from the hardware > 2) parse/decode the data > 3) do unit conversions > 4) do transformations, e.g., rain_total to rain_incremental; aggregations > 5) map data from hardware naming to database fields > > the uploaders in weewx provide additional steps > > 6) do transformations, e.g., cumulative power to incremental power; > aggregations > 7) map data from database fields to destination fields > > in some cases, steps 1-5 degenerate to one or two steps, depending on the > hardware. > > in the case of the SDR driver, every step is involved, and it is > complicated by the fact that the SDR receiver gets data from not just a > single device. as a result, it must also filter. this is done implicitly > in step 5. > > in normal operation, the SDR driver will silently ignore data from sensors > that you do not care about. use the log_unknown_sensors option to make it > log the output from sensors for which the SDR driver has no parser. use > the log_unmapped_sensors to make it log the output from sensors that you > have not requested in the sensor_map. > > m > -- 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]. For more options, visit https://groups.google.com/d/optout.
