In your weewx.conf file, do you have the following?
##############################################################################
# Options for extension 'bme280wx'
[Bme280wx]
temperature_must_have = ""
humidityKeys = inHumidity
pressureKeys = pressure
pressure_must_have = outTemp
i2c_port = 1
humidity_must_have = ""
i2c_address = 0x77
usUnits = US
temperatureKeys = inTemp
##############################################################################
On Monday, June 22, 2020 at 10:16:03 AM UTC-4, Troy Roberts wrote:
>
> Hello,
>
> I am having some issues getting BME280 pressure data into my weewx data. I
> am currently capturing data from an Acurite 5n1 using SDR which is running
> off a raspberry pi 3. The weewx version is 4.1.1 and all my data is
> uploading with no issue. I wanted to added pressure data so I followed the
> guide at (https://gitlab.com/wjcarpenter/bme280wx), which led me to (
> https://pypi.org/project/RPi.bme280/) to get i2c ports up and running.
> After getting that setup and running the following code, I am able to read
> all the data from the BME280 sensor.
>
> import smbus2import bme280
> port = 1address = 0x76bus = smbus2.SMBus(port)
> calibration_params = bme280.load_calibration_params(bus, address)
> # the sample method will take a single reading and return a#
> compensated_reading objectdata = bme280.sample(bus, address,
> calibration_params)
> # the compensated_reading class has the following
> attributesprint(data.id)print(data.timestamp)print(data.temperature)print(data.pressure)print(data.humidity)
> # there is a handy string representation tooprint(data)
>
>
> With the following output:
> pi@raspberrypi:~/Desktop $ python BME280_Test.py
> d8bceed7-07e4-499f-a28e-c29928734eab
> 2020-06-22 09:55:51.107513
> 25.5355866359
> 1016.85232725
> 46.2092222928
> compensated_reading(id=d8bceed7-07e4-499f-a28e-c29928734eab, timestamp=
> 2020-06-22 09:55:51.107513, temp=25.536 °C, pressure=1016.85 hPa, humidity
> =46.21 % rH)
>
>
> After that, I've ran the wee_extension --install command to install
> bme280wx. I then stop weewx and then started it again and I keep getting
> the following error:
>
> Jun 22 09:58:36 raspberrypi weewx[455] INFO user.sdr: startup process
> 'rtl_433 -M utc -F json'
> Jun 22 09:58:36 raspberrypi weewxd: bme280: bme280wx configuration
> {u'temperature_must_have': u'', u'humidityKeys': u'inHumidity',
> u'pressureKeys': u'pressure', u'pressure_must_have': u'inTemp',
> u'i2c_port': u'1', u'humidity_must_have': u'', u'i2c_address': u'0x76',
> u'usUnits': u'US', u'temperatureKeys': u'inTemp'}
> Jun 22 09:58:36 raspberrypi weewx[455] INFO user.sdr: shutdown process
> rtl_433 -M utc -F json
> Jun 22 09:58:47 raspberrypi weewx[455] INFO user.sdr: timed out waiting
> for stderr-thread
> Jun 22 09:58:47 raspberrypi weewx[455] CRITICAL __main__: Caught
> unrecoverable exception:
> Jun 22 09:58:47 raspberrypi weewx[455] CRITICAL __main__: ****
> 'module' object has no attribute 'load_calibration_params'
> Jun 22 09:58:47 raspberrypi weewx[455] CRITICAL __main__: ****
> Traceback (most recent call last):
> Jun 22 09:58:47 raspberrypi weewx[455] CRITICAL __main__: **** File
> "/usr/share/weewx/weewxd", line 148, in main
> Jun 22 09:58:47 raspberrypi weewx[455] CRITICAL __main__: ****
> engine = weewx.engine.StdEngine(config_dict)
> Jun 22 09:58:47 raspberrypi weewx[455] CRITICAL __main__: **** File
> "/usr/share/weewx/weewx/engine.py", line 75, in __init__
> Jun 22 09:58:47 raspberrypi weewx[455] CRITICAL __main__: ****
> self.loadServices(config_dict)
> Jun 22 09:58:47 raspberrypi weewx[455] CRITICAL __main__: **** File
> "/usr/share/weewx/weewx/engine.py", line 138, in loadServices
> Jun 22 09:58:47 raspberrypi weewx[455] CRITICAL __main__: ****
> obj = weeutil.weeutil.get_object(svc)(self,config_dict)
> Jun 22 09:58:47 raspberrypi weewx[455] CRITICAL __main__: **** File
> "/usr/share/weewx/user/bme280wx.py", line 61, in __init__
> Jun 22 09:58:47 raspberrypi weewx[455] CRITICAL __main__: ****
> self.calibration_params = bme280.load_calibration_params(self.bus,
> self.address)
> Jun 22 09:58:47 raspberrypi weewx[455] CRITICAL __main__: ****
> AttributeError: 'module' object has no attribute 'load_calibration_params'
> Jun 22 09:58:47 raspberrypi weewx[455] CRITICAL __main__: ****
> Exiting.
>
> I'm not sure why this is occurring because I don't get this error running
> the test code above which calls the 'load_calibration_params' Any ideas?
>
> Thanks,
> Troy
>
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