Also script is in user dir
Nev
On Friday, March 3, 2017 at 11:10:10 AM UTC+10, Neville Davis wrote:
>
> Frank also this in weewx.conf
>
>
> #station_type = Simulator
>
> station_type = PiWeather
>
>
>
> #############################################################################
>
> [PiWeather]
> loop_interval = 2.5
> driver = user.piweather
>
>
> ############################################################################
>
> Neville
>
> On Friday, March 3, 2017 at 11:02:36 AM UTC+10, Neville Davis wrote:
>>
>> Frank
>>
>> I use the following has been faultless for months on Pi3 with data from
>> i2C and other sensors
>>
>> #
>> # $Revision: 1 $
>> # $Author: Nickolas McColl $
>> # $Date: 2014-08-16 $
>> # Initial information from above author further edits by Nev Davis
>> # Latest edit 12 Dec 2016 by Nev Davis reconfigured to place in user
>> dir
>>
>> """Raspberry Pi driver for the weewx weather system"""
>>
>> from __future__ import with_statement
>> import math
>> import time
>> import weewx.units
>> import weedb
>> import weeutil.weeutil
>> import weewx.drivers
>> import weewx.wxformulas
>>
>> DRIVER_NAME = 'PiWeather'
>> DRIVER_VERSION = "1.8"
>>
>> def loader(config_dict, engine):
>> return PiWeatherDriver(**config_dict[DRIVER_NAME])
>>
>> def confeditor_loader():
>> return PiWeatherConfEditor()
>>
>> class PiWeatherDriver(weewx.drivers.AbstractDevice):
>>
>> def __init__(self, **stn_dict):
>> self.loop_interval = float(stn_dict.get('loop_interval',2.5))
>>
>> def genLoopPackets(self):
>> while True:
>> start_time = time.time()
>>
>> # Create Loop packet
>> f = open('/var/ramdisk/wxdata.csv')
>> input = f.readline()
>> f.close()
>>
>> data = input.split(',')
>> if len(data) == 13: # data line is complete, process
>> for i in range(1, (len(data))):
>> try:
>> data[i] = float(data[i])
>> except ValueError:
>> data[i] = None
>>
>> raw_time =time.strptime(data[0], "%Y-%m-%d %H:%M:%S")
>>
>> _packet = {'dateTime': int(time.mktime(raw_time)),
>> 'usUnits' : weewx.METRIC,
>> 'outTemp' : data[1],
>> 'outHumidity' : data[2],
>> 'pressure' : data[6],
>> 'extraTemp1' : data[7],
>> 'windSpeed' : data[3], #use 3 second average
>> 'windGust' : data[4], #use 3 second average
>> 'windDir' : data[5],
>> 'radiation' :data[11],
>> 'inTemp' : data[8],
>> 'inHumidity' : data[9],
>> 'UV' : data[10],
>> 'farsSpeed' : data[12]
>> #'referenceVoltage' : data[12]
>> #'UV' : data[11]
>> }
>> _packet['dewpoint'] =
>> weewx.wxformulas.dewpointC(_packet['outTemp'], _packet['outHumidity'])
>> #_packet['barometer'] =
>> weewx.wxformulas.sealevel_pressure_Metric(_packet['pressure'],
>> self.altitude, _packet['outTemp'])
>> #_packet['altimeter'] =
>> weewx.wxformulas.altimeter_pressure_Metric(_packet['pressure'],
>> self.altitude)
>> _packet['heatdeg'] =
>> weewx.wxformulas.heating_degrees(_packet['outTemp'], 18.333)
>> _packet['cooldeg'] =
>> weewx.wxformulas.cooling_degrees(_packet['outTemp'], 18.333)
>> _packet['heatindex'] =
>> weewx.wxformulas.heatindexC(_packet['outTemp'], _packet['outHumidity'])
>>
>> yield _packet
>>
>> sleep_time = (start_time - time.time()) + self.loop_interval
>> #sleep_time = self.loop_interval
>> if sleep_time > 0:
>> time.sleep(sleep_time)
>>
>> class PiWeatherConfEditor(weewx.drivers.AbstractConfEditor):
>> @property
>> def default_stanza(self):
>> return
>>
>>
>> Neville
>>
>> On Thursday, March 2, 2017 at 8:53:45 AM UTC+10, mwall wrote:
>>>
>>>
>>>
>>> On Wednesday, March 1, 2017 at 2:32:28 PM UTC-5, Frank Johnson wrote:
>>>>
>>>> ok now im confused (big time) here is my log file and looks like it
>>>> should work so what is it looking for...
>>>>
>>>
>>> frank,
>>>
>>> the code i posted is not tested, and in fact is not correct. this is
>>> closer:
>>>
>>> with open(filename) as f:
>>> line = f.readline()
>>> values = line.split(',')
>>> record['inTemp'] = float(values[0])
>>> record['inHumidity'] = float(values[1])
>>> record['barometer'] = float(values[2])
>>>
>>> but there is no error-checking, and you still need to check
>>> record['usUnits'] to see whether you need to do any unit conversions.
>>>
>>> m
>>>
>>
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