I suspect the parsing problem is caused by update to RTL_433 in August
2019. See my post of 20 May below.
Rob Series
On Thursday, 21 May 2020 16:08:46 UTC+1, Andrew Mackey wrote:
>
> Gary,
>
> thank you for your post. It has been helpful. I have made some progress
> now.
>
> First I think I might be confused about how to set up my config file as to
> whether I am using the SDR option or the Acurite Option when configuring my
> station. I have come to the conclusion that choosing SDR is correct (I am
> using an SDR to read the data from my weather station as opposed to having
> the station directly connected to my Pi).
>
> Using you suggestion and configuring for the Acurite option I was able to
> get the parser to show the total rain (rain_in) when I ran the sdr.py
> code. However, when I ran the weewx in direct mode, it said it could not
> find the device on USB. So I went back to choosing the SDR option. I then
> went to the SDR class and found where the sensor_map section was and added
> a line for my rain_in fully qualified name. Then when I re-ran the sdr.py
> code I was still getting the rain_in/rain_total values showing in my parsed
> data and when I reun weewx in direct mode it is working again, although no
> rain data in the loops or in the records. So that is some progress at
> least.
>
> Also, I am still not getting any rain data when I look at my generated web
> page.
>
>
>
> On Wednesday, May 20, 2020 at 11:55:38 PM UTC-4, gjr80 wrote:
>>
>> Hi,
>>
>> Not a sdr driver or Acurite user but looking at the sdr driver as far as
>> I can tell the sdr driver expects Acurite5n1PacketV2 rain data to be in
>> field rain_mm whereas you appear to have rain_in. You could try adding
>> the following two highlighted lines to /usr/share/weewx/user/sdr.py:
>>
>> if 'wind_dir_deg' in obj:
>> pkt['wind_dir'] = Packet.get_float(obj, 'wind_dir_deg')
>> if 'rain_mm' in obj:
>> pkt['rain_total'] = Packet.get_float(obj, 'rain_mm') / 25.4
>> if 'rain_in' in obj:
>> pkt['rain_total'] = Packet.get_float(obj, 'rain_in')
>> if 'temperature_F' in obj:
>> pkt['temperature'] = Packet.get_float(obj, 'temperature_F')
>>
>> Save sdr.py then try running sdr.py directly again.
>>
>> Oh, and of course, make sure you keep a back of sdr.py before making any
>> changes.
>>
>> Gary
>>
>> On Thursday, 21 May 2020 12:54:38 UTC+10, Andrew Mackey wrote:
>>>
>>> After installing the rtl software and the weewx software on my Pi 4 and
>>> getting everything configured I am getting things to work as expected.
>>> Just no rain data. I was expecting to have this problem because the
>>> output from running the command sudo PYTHONPATH=/usr/share/weewx python
>>> /usr/share/weewx/user/sdr.py --cmd="rtl_433 -M utc -F json" is missing the
>>> rain data in the parsed section. Notice in the output below that there is
>>> a value in the 'rain_in' for the out section, but that rain data is not in
>>> the parsed section.
>>>
>>>
>>> out:[u'{"time" : "2020-05-21 02:27:42", "model" : "Acurite-5n1",
>>> "subtype" : 49, "id" : 1066, "channel" : "B", "sequence_num" : 0,
>>> "battery_ok" : 1, "wind_avg_km_h" : 14.245, "wind_dir_deg" : 112.500,
>>> "rain_in" : 28.500, "mic" : "CHECKSUM"}\n', u'{"time" : "2020-05-21
>>> 02:27:42", "model" : "Acurite-5n1", "subtype" : 49, "id" : 1066, "channel"
>>> : "B", "sequence_num" : 1, "battery_ok" : 1, "wind_avg_km_h" : 14.245,
>>> "wind_dir_deg" : 112.500, "rain_in" : 28.500, "mic" : "CHECKSUM"}\n',
>>> u'{"time" : "2020-05-21 02:27:42", "model" : "Acurite-5n1", "subtype" : 49,
>>> "id" : 1066, "channel" : "B", "sequence_num" : 2, "battery_ok" : 1,
>>> "wind_avg_km_h" : 14.245, "wind_dir_deg" : 112.500, "rain_in" : 28.500,
>>> "mic" : "CHECKSUM"}\n']
>>>
>>>
>>> parsed: {'wind_speed.042A.Acurite5n1PacketV2': 14.245,
>>> 'model.042A.Acurite5n1PacketV2': u'Acurite-5n1',
>>> 'channel.042A.Acurite5n1PacketV2': u'B',
>>> 'wind_dir.042A.Acurite5n1PacketV2': 112.5,
>>> 'battery.042A.Acurite5n1PacketV2': 1, 'dateTime': 1590028062,
>>> 'freq.042A.Acurite5n1PacketV2': None, 'mod.042A.Acurite5n1PacketV2': None,
>>> 'snr.042A.Acurite5n1PacketV2': None,
>>> 'sequence_num.042A.Acurite5n1PacketV2': 0, 'noise.042A.Acurite5n1PacketV2':
>>> None, 'protocol.042A.Acurite5n1PacketV2': None,
>>> 'rssi.042A.Acurite5n1PacketV2': None, 'msg_type.042A.Acurite5n1PacketV2':
>>> 49, 'usUnits': 1}
>>>
>>>
>>> I have done a lot of searching on this forum and the web and I
>>> understand that there have been many changes to the labeling of rain data
>>> on the Acurite 5n1 system. Howerver I just can't figure out where in the
>>> code I can make a change that will accept label that my version of the
>>> weather station uses for rain.
>>>
>>>
>>> I have done a fair share of programming and I have the help of my son
>>> who is a computer science graduate. I feel quite comfortable messing
>>> around in the code
>>>
>>>
>>> So far the only change in code that I have tried was to change the line
>>> in sdr.py
>>>
>>>
>>> I am running rtl_433 version 20.02-55-gc1d1f9f branch master at
>>> 202005162227
>>>
>>>
>>> thanks for your help
>>>
>>
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