hello PAT,
yes I think, I join the files weewx.conf and byows.py that I use
Patrick
On Saturday, December 8, 2018 at 3:40:43 PM UTC+1, Patrick Tranchant wrote:
>
> hello I am a newbie from France ( sorry for my english )
>
> I want to use weewx on a raspberry with a weather station built by myself
> (view on Magpi)
> I don't see my station on your website to configure :
>
> Weather Station Hardware Comparison: I don't found my weather station.
> Do you have a solution or how to configure Weewx
>
> thank you for your help
>
> Patrick
>
--
You received this message because you are subscribed to the Google Groups
"weewx-user" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to weewx-user+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.
#!/usr/bin/python
# Copyright 2018 Pat O'Brien https://obrienlabs.net
#
# This driver takes the sensors used in the Raspberry Pi
# build your own weather station project and converts it
# into a format that can be used with weewx.
#
# The Raspberry Pi project can be found here:
# https://projects.raspberrypi.org/en/projects/build-your-own-weather-station
#
from gpiozero import Button
import time
import math
import bme280_sensor_2
import wind_direction_byo_5
import statistics
import ds18b20_therm
import datetime
import syslog
import weedb
import weewx.drivers
import weeutil.weeutil
import weewx.wxformulas
temp_probe = ds18b20_therm.DS18B20()
wind_speed_sensor = Button(5)
wind_speed_sensor.when_pressed = BYOWS.spin # is this a valid call for the below class function?
rain_sensor = Button(6)
rain_sensor.when_pressed = BYOWS.bucket_tipped # is this a valid call for the below class function?
def logmsg(dst, msg):
syslog.syslog(dst, 'BYOWS: %s' % msg)
def loginf(msg):
logmsg(syslog.LOG_INFO, msg)
def logerror(msg):
logmsg(syslog.LOG_ERROR, msg)
def logdebug(msg):
logmsg(syslog.LOG_DEBUG, msg)
def loader(config_dict, engine):
station = BYOWS(**config_dict['BYOWS'])
return station
class BYOWS(weewx.drivers.AbstractDevice):
""" Driver for the Raspberry Pi Bring Your Own Weather Station. """
def __init__(self, **stn_dict) :
""" Initialize object. """
self.station_hardware = stn_dict.get('hardware')
# TODO CONVERT TO WEEWX OPTIONS?
self.interval = 60 # Measurements recorded every 1 minute
self.wind_count = 0 # Counts how many half-rotations
self.radius_cm = 9.0 # Radius of your anemometer
self.wind_interval = 5 # How often (secs) to sample speed
self.wind_gust = 0
self.cm_in_a_km = 100000.0
self.secs_in_an_hour = 3600
self.adjustment = 1.18
self.bucket_size = 0.2794 # mm
self.rain_count = 0
self.store_speeds = []
self.store_directions = []
def hardware_name(self):
return self.station_hardware
# Every half-rotations, add 1 to count
def spin(self):
self.wind_count = self.wind_count + 1
#print("spin" + str(self.wind_count))
def calculate_speed(self, time_sec):
circumference_cm = (2 * math.pi) * self.radius_cm
rotations = self.wind_count / 2.0
# Calculate distance travelled by a cup in km
dist_km = (circumference_cm * rotations) / self.cm_in_a_km
# Speed = distance / time
km_per_sec = dist_km / time_sec
km_per_hour = km_per_sec * self.secs_in_an_hour
# Calculate Speed
final_speed = km_per_hour * self.adjustment
return final_speed
def bucket_tipped(self):
self.rain_count = self.rain_count + 1
#print (self.rain_count * self.bucket_size)
def reset_rainfall(self):
self.rain_count = 0
def reset_wind(self):
# global self.wind_count
self.wind_count = 0
def reset_gust(self):
self.wind_gust = 0
#===============================================================================
# LOOP record decoding functions
#===============================================================================
def genLoopPackets(self):
""" Generator function that continuously returns loop packets """
for _packet in self.genPackets():
yield _packet
def genPackets(self):
""" Generate measurement packets. """
global temp_probe
while True:
start_time = time.time()
while time.time() - start_time <= self.interval:
wind_start_time = time.time()
self.reset_wind()
while time.time() - wind_start_time <= self.wind_interval:
self.store_directions.append( wind_direction_byo_5.get_value() )
final_speed = calculate_speed( self.wind_interval ) # Add this speed to the list
self.store_speeds.append( final_speed )
wind_average = wind_direction_byo_5.get_average( self.store_directions )
self.wind_gust = max( self.store_speeds )
wind_speed = statistics.mean( self.store_speeds )
rainfall = self.rain_count * self.bucket_size # mm. if units are US, do we need to convert to inch?
self.reset_rainfall()
self.store_speeds = []
self.store_directions = []
ground_temp = temp_probe.read_temp()
humidity, pressure, ambient_temp = bme280_sensor_2.read_all()
# Build the weewx loop packet
packet = { 'dateTime': int( time.time() ), 'usUnits': weewx.US }
packet['outTemp'] = float( ambient_temp )
packet['outHumidity'] = float( humidity )
packet['soilTemp1'] = float( ground_temp )
packet['pressure'] = float( pressure )
packet['rain'] = rainfall
packet['windDir'] = float( wind_average )
packet['windSpeed'] = float( wind_speed )
packet['windGust'] = float( self.wind_gust )
# Send to the loop
yield packet
# Delay reading sensors for the interval time?
#time.sleep( self.interval )
# WEEWX CONFIGURATION FILE
#
# Copyright (c) 2009-2015 Tom Keffer <tkef...@gmail.com>
# See the file LICENSE.txt for your rights.
##############################################################################
# This section is for general configuration information.
# Set to 1 for extra debug info, otherwise comment it out or set to zero
debug = 1
# Root directory of the weewx data file hierarchy for this station
WEEWX_ROOT = /
# How long to wait before timing out a socket (FTP, HTTP) connection
socket_timeout = 20
# Do not modify this. It is used when installing and updating weewx.
version = 3.8.2
##############################################################################
# This section is for information about the station.
[Station]
# Description of the station location
location = "Le Rotoir, Essonne FRANCE"
# Latitude and longitude in decimal degrees
latitude = 48.4667
longitude = 2.0833
# Altitude of the station, with unit it is in. This is downloaded from
# from the station if the hardware supports it.
altitude = 147, meter
# Set to type of station hardware. There must be a corresponding stanza
# in this file with a 'driver' parameter indicating the driver to be used.
#station_type = Simulator
station_type = BYOWS
# If you have a website, you may specify an URL
#station_url = http://www.example.com
# The start of the rain year (1=January; 10=October, etc.). This is
# downloaded from the station if the hardware supports it.
rain_year_start = 1
# Start of week (0=Monday, 6=Sunday)
week_start = 6
##############################################################################
[Simulator]
# This section is for the weewx weather station simulator
# The time (in seconds) between LOOP packets.
loop_interval = 2.5
# The simulator mode can be either 'simulator' or 'generator'.
# Real-time simulator. Sleep between each LOOP packet.
mode = simulator
# Generator. Emit LOOP packets as fast as possible (useful for testing).
#mode = generator
# The start time. Format is YYYY-mm-ddTHH:MM. If not specified, the default
# is to use the present time.
#start = 2011-01-01T00:00
# The driver to use:
driver = weewx.drivers.simulator
##############################################################################
# This section is for uploading data to Internet sites
[StdRESTful]
[[StationRegistry]]
# To register this weather station with weewx, set this to true
register_this_station = false
[[AWEKAS]]
# This section is for configuring posts to AWEKAS.
# If you wish to do this, set the option 'enable' to true,
# and specify a username and password.
# To guard against parsing errors, put the password in quotes.
enable = false
username = replace_me
password = replace_me
[[CWOP]]
# This section is for configuring posts to CWOP.
# If you wish to do this, set the option 'enable' to true,
# and specify the station ID (e.g., CW1234).
enable = false
station = replace_me
# If this is an APRS (radio amateur) station, uncomment
# the following and replace with a passcode (e.g., 12345).
#passcode = replace_me (APRS stations only)
[[PWSweather]]
# This section is for configuring posts to PWSweather.com.
# If you wish to do this, set the option 'enable' to true,
# and specify a station and password.
# To guard against parsing errors, put the password in quotes.
enable = false
station = replace_me
password = replace_me
[[WOW]]
# This section is for configuring posts to WOW.
# If you wish to do this, set the option 'enable' to true,
# and specify a station and password.
# To guard against parsing errors, put the password in quotes.
enable = false
station = replace_me
password = replace_me
[[Wunderground]]
# This section is for configuring posts to the Weather Underground.
# If you wish to do this, set the option 'enable' to true,
# and specify a station (e.g., 'KORHOODR3') and password.
# To guard against parsing errors, put the password in quotes.
enable = false
station = replace_me
password = replace_me
# Set the following to True to have weewx use the WU "Rapidfire"
# protocol. Not all hardware can support it. See the User's Guide.
rapidfire = False
##############################################################################
# This section specifies what reports, using which skins, to generate.
[StdReport]
# Where the skins reside, relative to WEEWX_ROOT
SKIN_ROOT = /etc/weewx/skins
# Where the generated reports should go, relative to WEEWX_ROOT
HTML_ROOT = /var/www/html/weewx
# The database binding indicates which data should be used in reports.
data_binding = wx_binding
# Each of the following subsections defines a report that will be run.
[[StandardReport]]
# See the customizing guide to change the units, plot types and line
# colors, modify the fonts, display additional sensor data, and other
# customizations. Many of those changes can be made here by overriding
# parameters, or by modifying templates within the skin itself.
# The StandardReport uses the 'Standard' skin, which contains the
# images, templates and plots for the report.
skin = Standard
[[[Units]]]
[[[[Groups]]]]
group_altitude = meter
group_speed2 = meter_per_second2
group_pressure = mbar
group_rain = mm
group_rainrate = mm_per_hour
group_temperature = degree_C
group_degree_day = degree_C_day
group_speed = meter_per_second
[[FTP]]
# FTP'ing the results to a webserver is treated as just another report,
# albeit one with an unusual report generator!
skin = Ftp
# If you wish to use FTP, uncomment and fill out the next four lines.
# Use quotes around passwords to guard against parsing errors.
#user = replace with the ftp username
#password = replace with the ftp password
#server = replace with the ftp server name, e.g, www.threefools.org
#path = replace with the ftp destination directory (e.g., /weather)
# Set to True for an FTP over TLS (FTPS) connection. Not all servers
# support this.
secure_ftp = False
# To upload files from something other than what HTML_ROOT is set
# to above, specify a different HTML_ROOT here.
#HTML_ROOT = /var/www/html/weewx
# Most FTP servers use port 21
port = 21
# Set to 1 to use passive mode, zero for active mode
passive = 1
[[RSYNC]]
# rsync'ing to a webserver is treated as just another report
skin = Rsync
# If you wish to use rsync, you must configure passwordless ssh using
# public/private key authentication from the user account that weewx
# runs as to the user account on the remote machine where the files
# will be copied.
#
# The server, user, and path determine where files will be sent.
# The server is the server name, such as www.threefools.org
# The user is the username, such as weewx
# The path is the destination directory, such as /var/www/html/weather
# Be sure that the user has write permissions on the destination!
#server = replace_me
#user = replace_me
#path = replace_me
# Rsync can be configured to remove files from the remote server if
# they don't exist under HTML_ROOT locally. USE WITH CAUTION: if you
# make a mistake in the remote path, you could could unintentionally
# cause unrelated files to be deleted. Set to 1 to enable remote file
# deletion, zero to allow files to accumulate remotely.
delete = 0
##############################################################################
# This service acts as a filter, converting the unit system coming from
# the hardware to a unit system in the database.
[StdConvert]
# The target_unit affects only the unit system in the database. Once
# chosen it cannot be changed without converting the entire database.
# Modification of target_unit after starting weewx will result in
# corrupt data - the database will contain a mix of US and METRIC data.
#
# The value of target_unit does not affect the unit system for
# reporting - reports can display US, Metric, or any combination of units.
#
# In most cases, target_unit should be left as the default: US
#
# In particular, those migrating from a standard wview installation
# should use US since that is what the wview database contains.
# DO NOT MODIFY THIS VALUE UNLESS YOU KNOW WHAT YOU ARE DOING!
target_unit = US # Options are 'US', 'METRICWX', or 'METRIC'
##############################################################################
# This section can adjust data using calibration expressions.
[StdCalibrate]
[[Corrections]]
# For each type, an arbitrary calibration expression can be given.
# It should be in the units defined in the StdConvert section.
# Example:
foo = foo + 0.2
##############################################################################
# This section is for quality control checks. If units are not specified,
# values must be in the units defined in the StdConvert section.
[StdQC]
[[MinMax]]
barometer = 26, 32.5, inHg
outTemp = -40, 120, degree_F
inTemp = 10, 120, degree_F
outHumidity = 0, 100
inHumidity = 0, 100
windSpeed = 0, 120, mile_per_hour
pressure = 24, 34.5, inHg
##############################################################################
# This section controls the origin of derived values.
[StdWXCalculate]
[[Calculations]]
# Derived quantities are calculated by this service. Possible values
are:
# hardware - use the value provided by hardware
# software - use the value calculated by weewx
# prefer_hardware - use value provide by hardware if available,
# otherwise use value calculated by weewx
pressure = prefer_hardware
barometer = prefer_hardware
altimeter = prefer_hardware
windchill = prefer_hardware
heatindex = prefer_hardware
dewpoint = prefer_hardware
inDewpoint = prefer_hardware
rainRate = prefer_hardware
##############################################################################
# For hardware that supports it, this section controls how often the
# onboard clock gets updated.
[StdTimeSynch]
# How often to check the weather station clock for drift (in seconds)
clock_check = 14400
# How much it can drift before we will correct it (in seconds)
max_drift = 5
##############################################################################
# This section is for configuring the archive service.
[StdArchive]
# If the station hardware supports data logging then the archive interval
# will be downloaded from the station. Otherwise, specify it (in seconds).
archive_interval = 300
# If possible, new archive records are downloaded from the station
# hardware. If the hardware does not support this, then new archive
# records will be generated in software.
# Set the following to "software" to force software record generation.
record_generation = hardware
# Whether to include LOOP data in hi/low statistics
loop_hilo = True
# The data binding used to save archive records
data_binding = wx_binding
##############################################################################
# This section binds a data store to a database.
[DataBindings]
[[wx_binding]]
# The database must match one of the sections in [Databases].
# This is likely to be the only option you would want to change.
database = archive_sqlite
#database = archive_mysql
# The name of the table within the database
table_name = archive
# The manager handles aggregation of data for historical summaries
manager = weewx.wxmanager.WXDaySummaryManager
# The schema defines the structure of the database.
# It is *only* used when the database is created.
schema = schemas.wview.schema
##############################################################################
# This section defines various databases.
[Databases]
# A SQLite database is simply a single file
[[archive_sqlite]]
database_type = SQLite
database_name = weewx.sdb
# MySQL
[[archive_mysql]]
database_type = MySQL
database_name = weewx
##############################################################################
# This section defines defaults for the different types of databases.
[DatabaseTypes]
# Defaults for SQLite databases
[[SQLite]]
driver = weedb.sqlite
# Directory in which the database files are located
SQLITE_ROOT = /var/lib/weewx
# Defaults for MySQL databases
[[MySQL]]
driver = weedb.mysql
# The host where the database is located
host = localhost
# The user name for logging in to the host
user = weewx
# The password for the user name (quotes guard against parsing errors)
password = weewx
##############################################################################
# This section configures the internal weewx engine.
[Engine]
[[Services]]
# This section specifies the services that should be run. They are
# grouped by type, and the order of services within each group
# determines the order in which the services will be run.
prep_services = weewx.engine.StdTimeSynch
data_services = ,
process_services = weewx.engine.StdConvert, weewx.engine.StdCalibrate,
weewx.engine.StdQC, weewx.wxservices.StdWXCalculate
archive_services = weewx.engine.StdArchive
restful_services = weewx.restx.StdStationRegistry,
weewx.restx.StdWunderground, weewx.restx.StdPWSweather, weewx.restx.StdCWOP,
weewx.restx.StdWOW, weewx.restx.StdAWEKAS
report_services = weewx.engine.StdPrint, weewx.engine.StdReport
[BYOWS]
# This section is for the Raspberry Pi Bring Your Own Weather Station
driver.
# The driver to use
driver = user.byows
