Charlie, thanks for posting this! I'm switching from my ancient vantage
pro, connected via lantronix serial<->ethernet to a shiny new vantage pro 2
with the WiFiLogger 2 <https://wifilogger.net> (firmware 2.33). I ran into
the same problem:
Sep 22 10:56:59 ubu-mini-weather weewx[178549] INFO weewx.manager: Starting
backfill of daily summaries
Sep 22 10:57:00 ubu-mini-weather weewx[178549] INFO weewx.engine: Starting
main packet loop.
Sep 22 10:58:02 ubu-mini-weather weewx[178549] ERROR weewx.drivers.vantage:
LOOP try #1; error: Expected 99 characters; got zero instead
Sep 22 10:58:02 ubu-mini-weather weewx[178549] ERROR weewx.drivers.vantage:
LOOP try #2; error: Expected 99 characters; got zero instead
Sep 22 10:58:02 ubu-mini-weather weewx[178549] ERROR weewx.drivers.vantage:
LOOP try #3; error: Expected 99 characters; got zero instead
Sep 22 10:58:02 ubu-mini-weather weewx[178549] ERROR weewx.drivers.vantage:
LOOP try #4; error: Expected 99 characters; got zero instead
Sep 22 10:58:02 ubu-mini-weather weewx[178549] ERROR weewx.drivers.vantage:
LOOP max tries (4) exceeded.
Sep 22 10:58:02 ubu-mini-weather weewx[178549] INFO weewx.engine: Main loop
exiting. Shutting engine down.
Sep 22 10:58:02 ubu-mini-weather weewx[178549] CRITICAL __main__: Caught
WeeWxIOError: Max tries exceeded while getting LOOP data.
Sep 22 10:58:02 ubu-mini-weather weewx[178549] CRITICAL __main__: ****
Waiting 60 seconds then retrying...
After several frustrating hours of trying to fix it, I searched the forum
and found your post. Sure enough, changing the WiFiLogger configuration
Setup > System > General Settings > TCP Port to Pause (there was no
"auto-pause") fixed the problem, and it's running great now. Going through
the log, I still find a couple of the loop errors, but they're rare now,
and the retry gets it right.
A couple of checklist items for anybody else doing this. The weewx config
items are all in the Vantage section of weewx.conf. The wfl items are set
using a browser to access the web server built into the wfl.
- Make sure the WiFiLogger (wfl) port number (setup->wiFi setup->tcp
port settings, default 22222) matches weewx.conf items tcp_port and port.
Actually, the "port" item is probably not used, but I just set them both.
- Make sure the wfl is at a fixed ip address on your lan, and that
weewx.conf "host" is set to that address. You can fix the IP address
either in your router (preferable, IMHO) or on the wfl itself (Setup->WiFi
Setup->Connect to Router->Advanced Options).
- I'm using loop type 2 (loop_request = 2 in weewx.conf), but I'm not
sure this matters.
- Make sure the archive intervals match. In weewx.conf it's
archive_interval in the StdArchive section. On the wfl it's Setup->Weather
Station Setup->Set Archive Interval, BUT the units are seconds in
weewx.conf, minutes in wfl. So, mine are 10 minutes on the wfl, 600 in
weewx.conf.
I haven't had it running for long, but it's very nice to have a wireless
connection to the Davis console, and to stick my old Lantronix on a shelf.
Thanks again for posting the fix, Charlie.
On Sunday, November 25, 2018 at 7:40:18 PM UTC-8 [email protected] wrote:
>
> On Saturday, November 24, 2018 at 7:37:26 PM UTC-5, [email protected]
> wrote:
>>
>> WeeWx sees the WiFi logger and can get the archive packets, but not the
>> LOOP packets. It always times out.
>>
>
> It looks like the time out problems were caused by the TCP settings of the
> WiFiLogger, not weewx.
>
> I know this isn't a WiFiLogger forum, but in the interest of anyone that
> stumbles upon this same problem here's how I fixed things: In the
> WiFiLogger I changed Setup > System > General Settings > TCP Port to
> Auto-Pause. This is with WiFiLogger firmware 1.23. The timeout problems now
> seem to be gone and weewx can get the LOOP packets as normal.
>
>
>
> Charlie
>
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