Great, got it. You made my day :-) Rainer Lang schrieb am Donnerstag, 10. August 2023 um 17:38:34 UTC+2:
> If the predefined unit of a database field changes (i.e. you want it to be > changed), weewx needs to be told how to interprete the value stored in this > field. > Entries in extensions.py will override the default unit definitions weewx > keeps in a table at runtime (the obs_group_dict). > > E.g. > you have more than 4 soil moisture sensors > SM1 - SM4 you can simply assign to the wsview_extended database field > soilMoist1-4 > but you have 6 SM sensors and want to use the soilTemp1-2 fields to store > the values > be it via a field_map_extension or via an assignment in [StdCalibrate] > [[Corrections]] > > the default unit for SoilTemp1 is degree_celsius - you want it to be > percent, you enter in extensions.py > weewx.units.obs_group_dict['soilTemp1'] = 'group_percent' > > you have to make an entry for each database field whose unit > interpretation you want to change > weewx.units.obs_group_dict['soilTemp2'] = 'group_percent' > as you want to use the database fields SoilTemp1 and SoilTemp2, but don't > want °C to be shown in the reports > > so it's always the database field name > > in the above example - the default unit for soilMoisture1-4 is cb > (centibar) which is the unit group "group_moisture" - you may want it to be > percent as we did for SM5-6 > then you will have to add 4 entries to extensions.py > weewx.units.obs_group_dict['soilMoist1'] = 'group_percent' > weewx.units.obs_group_dict['soilMoist2'] = 'group_percent' > weewx.units.obs_group_dict['soilMoist3'] = 'group_percent' > weewx.units.obs_group_dict['soilMoist4'] = 'group_percent' > > If you have only 2 WH51 and want to display their readings in percent, you > only need the first two entries > > now you should know which field name to put in extensions.py for your WH51 > battery status ... 😎 > > changes in extensions.py become only effective after a restart of weewx ! > On 10.08.2023 17:06, Daidl Himself wrote: > > Hi, > > thats sounds good, and sqlightbrowser tells me the BatterieStatus fiels > are empty, most likely a type mismatch as you say. > Just wonder, if I map wh51_ch1_batt to * BatteryStatus2*, I need to > mention * BatteryStatus2* in extension.py. righ? > > > > Rainer Lang schrieb am Donnerstag, 10. August 2023 um 12:51:54 UTC+2: > >> in principle all seems to be correct in weewx.conf >> >> now, how to check the database: get yourself the sqlitebrowser and look >> it up yourself >> >> sudo apt-get install sqlitebrowser >> >> you will have to load your database and you can see everything, all >> records etc. >> >> but you may have a unit problem as the Ecowitt battery status comes over >> either as integer values (0, 1, 2, 3) or as voltage e.g. 1.64 >> >> As far as I know Gary has described this in the Ecowitt Gateway WiKi >> >> therefore the units to be used (which may be different from >> wsview_extended schema) need to be added to >> extensions.py >> >> https://github.com/gjr80/weewx-gw1000/wiki/Sensor-battery-states >> >> and make sure you have the respective entries in your extension.py >> >> e.g. >> weewx.units.obs_group_dict['wh51_ch1_batt'] = 'group_volt' >> weewx.units.obs_group_dict['wn34_ch1_batt'] = 'group_volt' >> >> and >> weewx.units.obs_group_dict['wh31_ch1_batt'] = 'group_count' >> etc. >> >> the signal levels should also belong to group_count >> >> try that ... >> >> >> On 10.08.2023 10:48, Daidl Himself wrote: >> >> Hi, >> I got a GW2000 and several sensors and use them with the gw1000 driver. >> So far so good, the most temeratures and stuff is automatically logged >> fine. >> But, I would like to see trends from the battery values as well. >> Searching in the manuals let me learn, the data needs to be mapped to a >> field, either creating new ones, or map to existing ones, which are "free". >> So, I checked the "schemas.wview_extended.schema" that is used an made some >> mappings in the weewx.conf: >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> *[GW1000] # This section is for the Ecowitt Gateway driver. # >> How often to poll the API, default is every 20 seconds: poll_interval = >> 20 # The driver to use: driver = user.gw1000 ip_address = >> 192.168.179.113 port = 45000 show_all_batt = True >> [[field_map_extensions]] extraTemp8 = temp9 rain = >> p_rain stormRain = p_rainevent rainRate = p_rainrate >> dayRain = p_rainday weekRain = p_rainweek monthRain = >> p_rainmonth yearRain = p_rainyear BatteryStatus1 = >> ws90_batt BatteryStatus2 = wh51_ch1_batt BatteryStatus3 = >> wh51_ch2_batt BatteryStatus4 = wn34_ch1_batt BatteryStatus5 = >> wh45_batt BatteryStatus6 = wh75_ch1_batt signal1 = ws90_sig >> signal2 = wh51_ch1_sig signal3 = wh51_ch2_sig signal4 = >> wn34_ch1_sig signal5 = wh45_sig signal6 = wh31_ch1_sig signal7 >> = wh31_ch2_sig signal8 = wh31_ch3_sig* >> >> The Temperature and the rain data is all fine, but the battery data can >> be shown as $latest and $current, but the image generator just produced >> empty fields. Looks for me, as the "BatteryStatus" fields are not storred >> in the database. How can I advice this, and how can I check if there are >> already part of a group (I would guess energy would make sense, as the >> value is Volt) >> >> thanks a lot by the way, for this fantastic peace of software and user >> friendly documentation. >> >> >> >> -- >> 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+...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/weewx-user/437461fd-ddf9-49c6-a10b-a8ba8737690fn%40googlegroups.com >> >> <https://groups.google.com/d/msgid/weewx-user/437461fd-ddf9-49c6-a10b-a8ba8737690fn%40googlegroups.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 weewx-user+...@googlegroups.com. > > To view this discussion on the web visit > https://groups.google.com/d/msgid/weewx-user/002dccfa-1e56-4c8d-8cdb-44fbd8e9285cn%40googlegroups.com > > <https://groups.google.com/d/msgid/weewx-user/002dccfa-1e56-4c8d-8cdb-44fbd8e9285cn%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > -- You received this message because you are subscribed to the Google Groups "weewx-user" group. 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