Hi Arlen,

Running weewx directly seems to be broken. I have to look at that.
Please set debug=1 in weewx.conf and run weewx as a daemon.
Then send the log file from start till the first error.

Op vrijdag 9 april 2021 om 03:53:36 UTC-3 schreef [email protected]:

> Hi Luc,
>
> Sorry for the thread necromancy but I'm not really sure what the norms are 
> around starting new threads or opening github issues. I'm having the same 
> issue as uvedhe, but I believe that I am getting data, it just takes a 
> while.
>
> For example, here's what happens when I run rtldavis directly
>
> pi@wxpi:/ $ $GOPATH/bin/rtldavis -tf US
> 23:31:41.484368 rtldavis.go VERSION=0.15
> 23:31:41.485107 tr=1 fc=0 ppm=0 gain=0 maxmissed=51 ex=0 receiveWindow=300 
> actChan=[0] maxChan=1
> 23:31:41.485224 undefined=false verbose=false disableAfc=false 
> deviceString=0
> 23:31:41.486233 BitRate: 19200
> 23:31:41.486286 SymbolLength: 14
> 23:31:41.486329 SampleRate: 268800
> 23:31:41.486366 Preamble: 1100101110001001
> 23:31:41.486403 PreambleSymbols: 16
> 23:31:41.486439 PreambleLength: 224
> 23:31:41.486479 PacketSymbols: 80
> 23:31:41.486517 PacketLength: 1120
> 23:31:41.486553 BlockSize: 512
> 23:31:41.486589 BufferLength: 2048
> Found Rafael Micro R820T tuner
> 23:31:41.926203 Hop: {ChannelIdx:0 ChannelFreq:902419338 FreqError:0 
> Transmitter:0}
> Exact sample rate is: 268800.001367 Hz
> 23:31:42.103009 GetTunerGain: 0 Db
> 23:31:42.103037 SetFreqCorrection 0 ppm Successful
> Allocating 1 zero-copy buffers
> 23:31:42.106932 Init channels: wait max 135 seconds for a message of each 
> transmitter
> 23:32:52.437316 TRANSMITTER 0 SEEN
> 23:32:52.437491 Hop: {ChannelIdx:19 ChannelFreq:911952597 FreqError:0 
> Transmitter:0}
> 23:32:54.999338 600557FFC100B25F 2 0 0 0 0 msg.ID=0
> 23:32:54.999764 Hop: {ChannelIdx:41 ChannelFreq:922991108 FreqError:0 
> Transmitter:0}
> 23:32:57.561300 80055C206900FA0A 3 0 0 0 0 msg.ID=0
> 23:32:57.561605 Hop: {ChannelIdx:25 ChannelFreq:914963100 FreqError:0 
> Transmitter:0}
> 23:33:00.124869 E0045C800300563E 4 0 0 0 0 msg.ID=0
> 23:33:00.125445 Hop: {ChannelIdx:8 ChannelFreq:906433342 FreqError:0 
> Transmitter:0}
> 23:33:02.686749 500359FF73008A63 5 0 0 0 0 msg.ID=0
> 23:33:02.686858 Hop: {ChannelIdx:47 ChannelFreq:926001611 FreqError:0 
> Transmitter:0}
> 23:33:05.248703 400358FD0100E608 6 0 0 0 0 msg.ID=0
> 23:33:05.248811 Hop: {ChannelIdx:32 ChannelFreq:918475353 FreqError:0 
> Transmitter:0}
> 23:33:07.812769 800456205B005B07 7 0 0 0 0 msg.ID=0
> 23:33:07.812888 Hop: {ChannelIdx:13 ChannelFreq:908942094 FreqError:0 
> Transmitter:0}
> 23:33:10.374274 E00362800300BF59 8 0 0 0 0 msg.ID=0
> 23:33:10.374381 Hop: {ChannelIdx:36 ChannelFreq:920482355 FreqError:0 
> Transmitter:0}
> 23:33:12.936296 500458FF7100FD61 9 0 0 0 0 msg.ID=0
>
> As you can see, it takes >60s to start parsing data. When I try to run the 
> weewx driver, it crashes after ~10s
>
> 23:19:53.355369 Init channels: wait max 135 seconds for a message of each 
> transmitter
> Traceback (most recent call last):
>   File "/usr/share/weewx/user/rtldavis.py", line 1407, in <module>
>     payload = lines[0].strip()
> IndexError: list index out of range
>
> Sometimes rtldavis is faster or slower, but rarely does it start in <10s. 
> From reading other comments, it sounds like the driver times out after 10s 
> of no data here.
>
> Any ideas what might be happening here? The antenna that I have on there 
> is a cheap set of rabbit ears (dipole), could certainly get a better one, 
> the station is about 80ft (25m) away on the roof of the next building over. 
> Hardware is a raspberry pi and and an RTL-SDR blog brand R820T2 RTL2832U 
> SDR. Pi is running latest raspbian. 
>
> Thank you for all your hard work, I am so close!
> On Wednesday, May 8, 2019 at 1:37:45 AM UTC-7 [email protected] wrote:
>
>> uvedhe wrote on github :
>>>
>> I will answer this in the weewx-rtldavis topic in the weewx-development 
>>> forum.
>>> Luc
>>>
>> uvedhe <https://github.com/uvedhe> commented 14 hours ago 
>>> <https://github.com/lheijst/weewx-rtldavis/issues/1#issue-441358316>
>>>
>> I can successfully run $GOPATH/bin/rtldavis which returns various 
>>> entries, like these:
>>>
>>> 19:10:43.856163 Init channels: wait max 17 seconds for a message of each 
>>> transmitter
>>> 19:11:01.793521 Init channels: wait max 17 seconds for a message of each 
>>> transmitter
>>> 19:11:01.794049 Hop: {ChannelIdx:0 ChannelFreq:868077250 FreqError:0}
>>> 19:11:19.732536 Init channels: wait max 17 seconds for a message of each 
>>> transmitter
>>> 19:11:19.732580 Hop: {ChannelIdx:0 ChannelFreq:868077250 FreqError:0}
>>>
>>> Hi uvedhe,
>>
>> The rtldavis log show you didn't receive any data. 
>>
>> The rtldavis program use default the EU-frequencies. You use the EU 
>> version of the Davis Vantage, right?
>> The program runs succesfully on a Raspberry PI, Not sure if it will run 
>> on OS X 10 too.
>>
>> You could try to run the rtldavis program with several other ppm settings 
>> to check if any data will b read like:
>> $GOPATH/bin/rtldavis -ppm 3
>> or
>> $GOPATH/bin/rtldavis -ppm -3
>>
>> Luc
>>
>

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