The link in Gary’s mail explains how to run it — just give the full path to the
config file as an argument to weewxd. Something like:
sudo weewxd /etc/weewx/weewx.conf
-Les
> On Feb 11, 2020, at 9:21 AM, Dan Blanchard <[email protected]> wrote:
>
>
> I have confirmed and to the best of my knowledge, the station altitude is set
> correctly (altitude = 2320 foot).
>
> When I run weewx directly (sudo weewxd weewx.conf) I get the following:
>
> Traceback (most recent call last):
> File "/usr/bin/weewxd", line 64, in <module>
> weewx.engine.main(options, args)
> File "/usr/share/weewx/weewx/engine.py", line 852, in main
> sane = os.stat(config_path).st_ctime
> OSError: [Errno 2] No such file or directory: '/home/pi/weewx.conf'
>
> I really do not understand what that means. I went and looked at line 64 and
> 852 but don't know enough to see a problem. I understand the last line
> because my config file is at /etc/weewx/weewx.conf. Is there another way to
> run it directly?
>
> Once I get past this step, I can try the other suggestions you had.
>
>> On Tuesday, February 11, 2020 at 2:03:38 AM UTC-8, gjr80 wrote:
>> Sorry, only use hPa here so the obvious nonsense inHg value was lost on me.
>>
>> WeeWX is flexible enough that you change whatever you want to display on
>> your web page, you can use another field or recalculate using whatever you
>> like, it's just a case of altering the appropriate template. Similarly, you
>> can change what is sent to WU, WeeWX is coded to send field barometer, to
>> change that you need to dig into the code and your changes would likely not
>> be safe across an upgrade.
>>
>> In terms of solutions, one obvious check is that you have your station
>> altitude set correctly in weewx.conf. You are after the altitude setting
>> under [Station]. If altitude is set correctly then the solution is in the
>> driver. The WS-2813 driver emits pressure and WeeWX calculates barometer and
>> altitude. Have you run WeeWX directly to see what pressures are being
>> include in loop packet and archive records. You should see all three
>> pressures included as the data sent to console is after WeeWX has augmented
>> the packet/record with whatever derived fields it can.
>>
>> Unfortunately it looks like the WS-2813 driver cannot be run stand alone
>> which would be handy to see exactly what data is coming from the driver (as
>> opposed to running WeeWX directly which include driver and WeeWX calculated
>> fields). You can driver only data by disabling the WeeWX StdWXCalculate
>> service that calculates the additional fields. To disable StdWXCalculate
>> edit weewx.conf and locate the process_services setting under [Engine]
>> [[Services]]. It should look something like this:
>>
>> process_services = weewx.engine.StdConvert, weewx.engine.StdCalibrate,
>> weewx.engine.StdQC, weewx.wxservices.StdWXCalculate
>>
>> just put a # in front of the StdWXCalculate service as follows:
>>
>> process_services = weewx.engine.StdConvert, weewx.engine.StdCalibrate,
>> weewx.engine.StdQC #, weewx.wxservices.StdWXCalculate
>>
>> save and stop WeeWX if running and then run directly again. This time you
>> should see no derived fields added and what you see should be coming from
>> the driver. What pressure field is provide and if it is pressure is it
>> indeed station pressure? If this is the case then the issue lies elsewhere,
>> if not then the driver needs some scrutiny.
>>
>> Gary
>
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