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thermostat.py
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### BEGIN LICENSE
# Copyright (c) 2015 Andrzej Taramina <andrzej@chaeron.com>
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
### END LICENSE
##############################################################################
# #
# Core Imports #
# #
##############################################################################
import threading
import math
import os, os.path, sys
import time
import datetime
from urllib.request import urlopen
import json
import random
import socket
import re
import struct
import ctypes
from subprocess import Popen, PIPE
##############################################################################
# #
# Kivy UI Imports #
# #
##############################################################################
os.environ['KIVY_GL_BACKEND'] = 'gl'
os.environ['KIVY_NO_FILELOG'] = '1'
import kivy
kivy.require( '1.11.0' ) # replace with your current kivy version !
from kivy.app import App
from kivy.uix.button import Button
from kivy.uix.togglebutton import ToggleButton
from kivy.uix.label import Label
from kivy.uix.floatlayout import FloatLayout
from kivy.uix.image import Image
from kivy.uix.slider import Slider
from kivy.clock import Clock
from kivy.graphics import Color, Rectangle
from kivy.storage.jsonstore import JsonStore
from kivy.uix.screenmanager import ScreenManager, Screen, NoTransition
##############################################################################
# #
# Other Imports #
# #
##############################################################################
import cherrypy
import schedule
##############################################################################
# #
# GPIO & Simulation Imports #
# #
##############################################################################
try:
import RPi.GPIO as GPIO
except ImportError:
import FakeRPi.GPIO as GPIO
##############################################################################
# #
# MQTT Imports (used for logging and/or external sensors) #
# #
##############################################################################
try:
import paho.mqtt.client as mqtt
import paho.mqtt.publish as publish
mqttAvailable = True
except ImportError as ie:
log( LOG_LEVEL_ERROR, CHILD_DEVICE_MQTT, MSG_SUBTYPE_TEXT, "Error importing MQTT: {0}:{1}".format(e.__class__.__name__, e.message))
mqttAvailable = False
from thermostat_reader import BaseReader
from thermostat_reader_w1 import W1Reader
from thermostat_reader_adafruit import AdafruitDhtReader
from thermostat_reader_adafruit_ccs811 import AdafruitCCS811Reader
from thermostat_relay_reader_gpio import GPIORelayReader
from thermostat_relay_reader_hidusb import HIDUSBRelayReader
from thermostat_relay_setter_gpio import GPIORelaySetter
from thermostat_relay_setter_hidusb import HIDUSBRelaySetter
##############################################################################
# #
# Utility classes #
# #
##############################################################################
class switch(object):
def __init__(self, value):
self.value = value
self.fall = False
def __iter__(self):
"""Return the match method once, then stop"""
yield self.match
raise StopIteration
def match(self, *args):
"""Indicate whether or not to enter a case suite"""
if self.fall or not args:
return True
elif self.value in args: # changed for v1.5, see below
self.fall = True
return True
else:
return False
##############################################################################
# #
# MySensor.org Controller compatible translated constants #
# #
##############################################################################
MSG_TYPE_SET = "set"
MSG_TYPE_PRESENTATION = "presentation"
CHILD_DEVICE_NODE = "node"
CHILD_DEVICE_MQTT = "mqtt"
CHILD_DEVICE_UICONTROL_HEAT = "heatControl"
CHILD_DEVICE_UICONTROL_COOL = "coolControl"
CHILD_DEVICE_UICONTROL_FAN = "fanControl"
CHILD_DEVICE_UICONTROL_HOLD = "holdControl"
CHILD_DEVICE_UICONTROL_SLIDER = "tempSlider"
CHILD_DEVICE_WEATHER_CURR = "weatherCurrent"
CHILD_DEVICE_WEATHER_FCAST_TODAY = "weatherForecastToday"
CHILD_DEVICE_WEATHER_FCAST_TOMO = "weatherForecastTomorrow"
CHILD_DEVICE_HEAT = "heat"
CHILD_DEVICE_COOL = "cool"
CHILD_DEVICE_FAN = "fan"
CHILD_DEVICE_PIR = "motionSensor"
CHILD_DEVICE_TEMP = "temperatureSensor"
CHILD_DEVICE_SCREEN = "screen"
CHILD_DEVICE_SCHEDULER = "scheduler"
CHILD_DEVICE_WEBSERVER = "webserver"
CHILD_DEVICES = [
CHILD_DEVICE_NODE,
CHILD_DEVICE_MQTT,
CHILD_DEVICE_UICONTROL_HEAT,
CHILD_DEVICE_UICONTROL_COOL,
CHILD_DEVICE_UICONTROL_FAN,
CHILD_DEVICE_UICONTROL_HOLD,
CHILD_DEVICE_UICONTROL_SLIDER,
CHILD_DEVICE_WEATHER_CURR,
CHILD_DEVICE_WEATHER_FCAST_TODAY,
CHILD_DEVICE_WEATHER_FCAST_TOMO,
CHILD_DEVICE_HEAT,
CHILD_DEVICE_COOL,
CHILD_DEVICE_FAN,
CHILD_DEVICE_PIR,
CHILD_DEVICE_TEMP,
CHILD_DEVICE_SCREEN,
CHILD_DEVICE_SCHEDULER,
CHILD_DEVICE_WEBSERVER
]
CHILD_DEVICE_SUFFIX_UICONTROL = "Control"
MSG_SUBTYPE_NAME = "sketchName"
MSG_SUBTYPE_VERSION = "sketchVersion"
MSG_SUBTYPE_BINARY_STATUS = "binaryStatus"
MSG_SUBTYPE_TRIPPED = "armed"
MSG_SUBTYPE_ARMED = "tripped"
MSG_SUBTYPE_TEMPERATURE = "temperature"
MSG_SUBTYPE_TEMPERATURE1 = "temperature1"
MSG_SUBTYPE_CO2 = "co2"
MSG_SUBTYPE_FORECAST = "forecast"
MSG_SUBTYPE_CUSTOM = "custom"
MSG_SUBTYPE_TEXT = "text"
##############################################################################
# #
# Settings #
# #
##############################################################################
THERMOSTAT_VERSION = "1.9.9"
# Debug settings
debug = False
useTestSchedule = False
# Threading Locks
thermostatLock = threading.RLock()
weatherLock = threading.Lock()
scheduleLock = threading.RLock()
# Thermostat persistent settings
settings = JsonStore( "thermostat_settings.json" )
state = JsonStore( "thermostat_state.json" )
# MQTT settings/setup
def mqtt_on_connect( client, userdata, flags, rc ):
global mqttReconnect
print( "MQTT Connected with result code: " + str( rc ) )
if rc == 0:
if mqttReconnect:
log( LOG_LEVEL_STATE, CHILD_DEVICE_MQTT, MSG_SUBTYPE_TEXT, "Reconnected to: " + mqttServer + ":" + str( mqttPort ) )
else:
mqttReconnect = True
log( LOG_LEVEL_STATE, CHILD_DEVICE_MQTT, MSG_SUBTYPE_TEXT, "Connected to: " + mqttServer + ":" + str( mqttPort ) )
src = client.subscribe( [
( mqttSub_restart, 0 ), # Subscribe to restart commands
( mqttSub_loglevel, 0 ), # Subscribe to log level commands
( mqttSub_version, 0 ) # Subscribe to version commands
] )
if src[ 0 ] == 0:
log( LOG_LEVEL_INFO, CHILD_DEVICE_MQTT, MSG_SUBTYPE_TEXT, "Subscribe Succeeded: " + mqttServer + ":" + str( mqttPort ) )
else:
log( LOG_LEVEL_ERROR, CHILD_DEVICE_MQTT, MSG_SUBTYPE_TEXT, "Subscribe FAILED, result code: " + src[ 0 ] )
if mqttAvailable:
mqttReconnect = False
mqttEnabled = False if not( settings.exists( "mqtt" ) ) else settings.get( "mqtt" )[ "enabled" ]
mqttClientID = 'thermostat' if not( settings.exists( "mqtt" ) ) else settings.get( "mqtt" )[ "clientID" ]
mqttServer = 'localhost' if not( settings.exists( "mqtt" ) ) else settings.get( "mqtt" )[ "server" ]
mqttPort = 1883 if not( settings.exists( "mqtt" ) ) else settings.get( "mqtt" )[ "port" ]
mqttPubPrefix = "thermostat" if not( settings.exists( "mqtt" ) ) else settings.get( "mqtt" )[ "pubPrefix" ]
mqttSub_version = str( mqttPubPrefix + "/" + mqttClientID + "/command/version" )
mqttSub_restart = str( mqttPubPrefix + "/" + mqttClientID + "/command/restart" )
mqttSub_loglevel = str( mqttPubPrefix + "/" + mqttClientID + "/command/loglevel" )
else:
mqttEnabled = False
if mqttEnabled:
mqttc = mqtt.Client( mqttClientID )
mqttc.on_connect = mqtt_on_connect
mqttc.message_callback_add( mqttSub_restart, lambda client, userdata, message: restart() )
mqttc.message_callback_add( mqttSub_loglevel, lambda client, userdata, message: setLogLevel( message ) )
mqttc.message_callback_add( mqttSub_version, lambda client, userdata, message: getVersion() )
# Logging settings/setup
LOG_FILE_NAME = "thermostat.log"
LOG_ALWAYS_TIMESTAMP = True
LOG_LEVEL_DEBUG = 1
LOG_LEVEL_INFO = 2
LOG_LEVEL_ERROR = 3
LOG_LEVEL_STATE = 4
LOG_LEVEL_NONE = 5
LOG_LEVELS = {
"debug": LOG_LEVEL_DEBUG,
"info": LOG_LEVEL_INFO,
"state": LOG_LEVEL_STATE,
"error": LOG_LEVEL_ERROR
}
LOG_LEVELS_STR = { v: k for k, v in LOG_LEVELS.items() }
logFile = None
def log_dummy( level, child_device, msg_subtype, msg, msg_type=MSG_TYPE_SET, timestamp=True, single=False ):
pass
def log_mqtt( level, child_device, msg_subtype, msg, msg_type=MSG_TYPE_SET, timestamp=True, single=False ):
if level >= logLevel:
ts = datetime.datetime.now().strftime( "%Y-%m-%dT%H:%M:%S%z " ) if LOG_ALWAYS_TIMESTAMP or timestamp else ""
topic = mqttPubPrefix + "/sensor/log/" + LOG_LEVELS_STR[ level ] + "/" + mqttClientID + "/" + child_device + "/" + msg_type + "/" + msg_subtype
payload = ts + msg
if single:
publish.single( topic, payload, hostname=mqttServer, port=mqttPort, client_id=mqttClientID )
else:
mqttc.publish( topic, payload )
def log_file( level, child_device, msg_subtype, msg, msg_type=MSG_TYPE_SET, timestamp=True, single=False ):
if level >= logLevel:
ts = datetime.datetime.now().strftime( "%Y-%m-%dT%H:%M:%S%z " )
logFile.write( ts + LOG_LEVELS_STR[ level ] + "/" + child_device + "/" + msg_type + "/" + msg_subtype + ": " + msg + "\n" )
def log_print( level, child_device, msg_subtype, msg, msg_type=MSG_TYPE_SET, timestamp=True, single=False ):
if level >= logLevel:
ts = datetime.datetime.now().strftime( "%Y-%m-%dT%H:%M:%S%z " ) if LOG_ALWAYS_TIMESTAMP or timestamp else ""
print( ts + LOG_LEVELS_STR[ level ] + "/" + child_device + "/" + msg_type + "/" + msg_subtype + ": " + msg )
loggingChannel = "none" if not( settings.exists( "logging" ) ) else settings.get( "logging" )[ "channel" ]
loggingLevel = "state" if not( settings.exists( "logging" ) ) else settings.get( "logging" )[ "level" ]
for case in switch( loggingChannel ):
if case( 'none' ):
log = log_dummy
break
if case( 'mqtt' ):
if mqttEnabled:
log = log_mqtt
else:
log = log_dummy
break
if case( 'file' ):
log = log_file
logFile = open( LOG_FILE_NAME, "a", 0 )
break
if case( 'print' ):
log = log_print
break
if case(): # default
log = log_dummy
logLevel = LOG_LEVELS.get( loggingLevel, LOG_LEVEL_NONE )
if mqttEnabled:
# Make sure we can reach the mqtt server by pinging it
pingCount = 0;
pingCmd = "ping -c 1 " + mqttServer
while os.system( pingCmd ) != 0 and pingCount <= 100:
++pingCount
time.sleep( 1 )
mqttc.connect( mqttServer, mqttPort )
mqttc.loop_start()
# Send presentations for Node
log( LOG_LEVEL_STATE, CHILD_DEVICE_NODE, MSG_SUBTYPE_NAME, "Thermostat Starting Up...", msg_type=MSG_TYPE_PRESENTATION )
log( LOG_LEVEL_STATE, CHILD_DEVICE_NODE, MSG_SUBTYPE_VERSION, THERMOSTAT_VERSION, msg_type=MSG_TYPE_PRESENTATION )
#send presentations for all other child "sensors"
for i in range( len( CHILD_DEVICES ) ):
child = CHILD_DEVICES[ i ]
if child != CHILD_DEVICE_NODE:
log( LOG_LEVEL_STATE, child, child, "", msg_type=MSG_TYPE_PRESENTATION )
# Various temperature settings:
tempScale = settings.get( "scale" )[ "tempScale" ]
scaleUnits = "c" if tempScale == "metric" else "f"
precipUnits = " mm" if tempScale == "metric" else '"'
precipFactor = 1.0 if tempScale == "metric" else 0.0393701
precipRound = 0 if tempScale == "metric" else 1
windFactor = 3.6 if tempScale == "metric" else 1.0
windUnits = " km/h" if tempScale == "metric" else " mph"
TEMP_TOLERANCE = 0.1 if tempScale == "metric" else 0.18
currentTemp = 22.0 if tempScale == "metric" else 72.0
priorCorrected = -100.0
setTemp = 22.0 if not( state.exists( "state" ) ) else state.get( "state" )[ "setTemp" ]
tempHysteresis = 0.5 if not( settings.exists( "thermostat" ) ) else settings.get( "thermostat" )[ "tempHysteresis" ]
tempCheckInterval = 3 if not( settings.exists( "thermostat" ) ) else settings.get( "thermostat" )[ "tempCheckInterval" ]
minUIEnabled = 0 if not( settings.exists( "thermostat" ) ) else settings.get( "thermostat" )[ "minUIEnabled" ]
minUITimeout = 3 if not( settings.exists( "thermostat" ) ) else settings.get( "thermostat" )[ "minUITimeout" ]
minUITimer = None
log( LOG_LEVEL_INFO, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/settings/temperature/tempScale", str( tempScale ), timestamp=False )
log( LOG_LEVEL_INFO, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/settings/temperature/scaleUnits", str( scaleUnits ), timestamp=False )
log( LOG_LEVEL_INFO, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/settings/temperature/precipUnits", str( precipUnits ), timestamp=False )
log( LOG_LEVEL_INFO, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/settings/temperature/precipFactor", str( precipFactor ), timestamp=False )
log( LOG_LEVEL_INFO, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/settings/temperature/windFactor", str( windFactor ), timestamp=False )
log( LOG_LEVEL_INFO, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/settings/temperature/windUnits", str( windUnits ), timestamp=False )
log( LOG_LEVEL_INFO, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/settings/temperature/currentTemp", str( currentTemp ), timestamp=False )
log( LOG_LEVEL_INFO, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/settings/temperature/setTemp", str( setTemp ), timestamp=False )
log( LOG_LEVEL_INFO, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/settings/temperature/tempHysteresis", str( tempHysteresis ), timestamp=False )
log( LOG_LEVEL_INFO, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/settings/temperature/tempCheckInterval", str( tempCheckInterval ), timestamp=False )
log( LOG_LEVEL_INFO, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/settings/temperature/minUIEnabled", str( minUIEnabled ), timestamp=False )
log( LOG_LEVEL_INFO, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/settings/temperature/minUITimeout", str( minUITimeout ), timestamp=False )
# Temperature calibration settings:
elevation = 0 if not( settings.exists( "thermostat" ) ) else settings.get( "calibration" )[ "elevation" ]
boilingPoint = ( 100.0 - 0.003353 * elevation ) if tempScale == "metric" else ( 212.0 - 0.00184 * elevation )
freezingPoint = 0.01 if tempScale == "metric" else 32.018
referenceRange = boilingPoint - freezingPoint
boilingMeasured = settings.get( "calibration" )[ "boilingMeasured" ]
freezingMeasured = settings.get( "calibration" )[ "freezingMeasured" ]
measuredRange = boilingMeasured - freezingMeasured
log( LOG_LEVEL_INFO, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/settings/calibration/elevation", str( elevation ), timestamp=False )
log( LOG_LEVEL_INFO, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/settings/calibration/boilingPoint", str( boilingPoint ), timestamp=False )
log( LOG_LEVEL_INFO, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/settings/calibration/freezingPoint", str( freezingPoint ), timestamp=False )
log( LOG_LEVEL_DEBUG, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/settings/calibration/referenceRange", str( referenceRange ), timestamp=False )
log( LOG_LEVEL_INFO, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/settings/calibration/boilingMeasured", str( boilingMeasured ), timestamp=False )
log( LOG_LEVEL_INFO, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/settings/calibration/freezingMeasured", str( freezingMeasured ), timestamp=False )
log( LOG_LEVEL_DEBUG, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/settings/calibration/measuredRange", str( measuredRange ), timestamp=False )
# UI Slider settings:
minTemp = 15.0 if not( settings.exists( "thermostat" ) ) else settings.get( "thermostat" )[ "minTemp" ]
maxTemp = 30.0 if not( settings.exists( "thermostat" ) ) else settings.get( "thermostat" )[ "maxTemp" ]
tempStep = 0.5 if not( settings.exists( "thermostat" ) ) else settings.get( "thermostat" )[ "tempStep" ]
log( LOG_LEVEL_INFO, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/settings/UISlider/minTemp", str( minTemp ), timestamp=False )
log( LOG_LEVEL_INFO, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/settings/UISlider/maxTemp", str( maxTemp ), timestamp=False )
log( LOG_LEVEL_INFO, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/settings/UISlider/tempStep", str( tempStep ), timestamp=False )
try:
#tempSensor = W1ThermSensor()
#tempSensor = W1Reader()
tempSensor = AdafruitCCS811Reader()
except:
tempSensor = None
heatRelayReader = GPIORelayReader(settings)
#heatRelayReader = HIDUSBRelayReader(settings)
heatRelaySetter = GPIORelaySetter(settings)
#heatRelaySetter = HIDUSBRelaySetter(settings)
# PIR (Motion Sensor) setup:
pirEnabled = 0 if not( settings.exists( "pir" ) ) else settings.get( "pir" )[ "pirEnabled" ]
pirPin = 5 if not( settings.exists( "pir" ) ) else settings.get( "pir" )[ "pirPin" ]
pirCheckInterval = 0.5 if not( settings.exists( "pir" ) ) else settings.get( "pir" )[ "pirCheckInterval" ]
pirIgnoreFromStr = "00:00" if not( settings.exists( "pir" ) ) else settings.get( "pir" )[ "pirIgnoreFrom" ]
pirIgnoreToStr = "00:00" if not( settings.exists( "pir" ) ) else settings.get( "pir" )[ "pirIgnoreTo" ]
pirIgnoreFrom = datetime.time( int( pirIgnoreFromStr.split( ":" )[ 0 ] ), int( pirIgnoreFromStr.split( ":" )[ 1 ] ) )
pirIgnoreTo = datetime.time( int( pirIgnoreToStr.split( ":" )[ 0 ] ), int( pirIgnoreToStr.split( ":" )[ 1 ] ) )
log( LOG_LEVEL_INFO, CHILD_DEVICE_PIR, MSG_SUBTYPE_ARMED, str( pirEnabled ), timestamp=False )
log( LOG_LEVEL_INFO, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/settings/pir/checkInterval", str( pirCheckInterval ), timestamp=False )
log( LOG_LEVEL_INFO, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/settings/pir/ignoreFrom", str( pirIgnoreFromStr ), timestamp=False )
log( LOG_LEVEL_INFO, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/settings/pir/ignoreTo", str( pirIgnoreToStr ), timestamp=False )
# GPIO Pin setup and utility routines:
coolPin = 18 if not( settings.exists( "thermostat" ) ) else settings.get( "thermostat" )[ "coolPin" ]
heatPin = 23 if not( settings.exists( "thermostat" ) ) else settings.get( "thermostat" )[ "heatPin" ]
fanPin = 25 if not( settings.exists( "thermostat" ) ) else settings.get( "thermostat" )[ "fanPin" ]
GPIO.setmode( GPIO.BCM )
GPIO.setup( coolPin, GPIO.OUT )
GPIO.output( coolPin, GPIO.LOW )
#GPIO.setup( heatPin, GPIO.OUT )
#GPIO.output( heatPin, GPIO.LOW )
GPIO.setup( fanPin, GPIO.OUT )
GPIO.output( fanPin, GPIO.LOW )
if pirEnabled:
GPIO.setup( pirPin, GPIO.IN )
CHILD_DEVICE_HEAT = "heat"
CHILD_DEVICE_COOL = "cool"
CHILD_DEVICE_FAN = "fan"
CHILD_DEVICE_HEAT_RELAY_STATE = "heatRelayState"
log( LOG_LEVEL_INFO, CHILD_DEVICE_COOL, MSG_SUBTYPE_BINARY_STATUS, str( coolPin ), timestamp=False )
log( LOG_LEVEL_INFO, CHILD_DEVICE_HEAT, MSG_SUBTYPE_BINARY_STATUS, str( heatPin ), timestamp=False )
log( LOG_LEVEL_INFO, CHILD_DEVICE_FAN, MSG_SUBTYPE_BINARY_STATUS, str( fanPin ), timestamp=False )
log( LOG_LEVEL_INFO, CHILD_DEVICE_PIR, MSG_SUBTYPE_TRIPPED, str( pirPin ), timestamp=False )
##############################################################################
# #
# UI Controls/Widgets #
# #
##############################################################################
controlColours = {
"normal": ( 1.0, 1.0, 1.0, 1.0 ),
"Cool": ( 0.0, 0.0, 1.0, 0.4 ),
"Heat": ( 1.0, 0.0, 0.0, 1.0 ),
"Fan": ( 0.0, 1.0, 0.0, 0.4 ),
"Hold": ( 0.0, 1.0, 0.0, 0.4 ),
}
def setControlState( control, state ):
with thermostatLock:
control.state = state
if state == "normal":
control.background_color = controlColours[ "normal" ]
else:
control.background_color = controlColours[ control.text.replace( "[b]", "" ).replace( "[/b]", "" ) ]
controlLabel = control.text.replace( "[b]", "" ).replace( "[/b]", "" ).lower()
log( LOG_LEVEL_STATE, controlLabel + CHILD_DEVICE_SUFFIX_UICONTROL, MSG_SUBTYPE_BINARY_STATUS, "0" if state == "normal" else "1" )
coolControl = ToggleButton( text="[b]Cool[/b]",
markup=True,
size_hint = ( None, None )
)
setControlState( coolControl, "normal" if not( state.exists( "state" ) ) else state.get( "state" )[ "coolControl" ] )
heatControl = ToggleButton( text="[b]Heat[/b]",
markup=True,
size_hint = ( None, None )
)
setControlState( heatControl, "normal" if not( state.exists( "state" ) ) else state.get( "state" )[ "heatControl" ] )
fanControl = ToggleButton( text="[b]Fan[/b]",
markup=True,
size_hint = ( None, None )
)
setControlState( fanControl, "normal" if not( state.exists( "state" ) ) else state.get( "state" )[ "fanControl" ] )
holdControl = ToggleButton( text="[b]Hold[/b]",
markup=True,
size_hint = ( None, None )
)
setControlState( holdControl, "normal" if not( state.exists( "state" ) ) else state.get( "state" )[ "holdControl" ] )
def heatRead():
return heatRelayReader.read()
def heatSet( on ):
heatRelaySetter.set( on )
def get_status_string():
with thermostatLock:
sched = "None"
if holdControl.state == "down":
sched = "Hold"
elif useTestSchedule:
sched = "Test"
elif heatControl.state == "down":
sched = "Heat"
elif coolControl.state == "down":
sched = "Cool"
return "[b]System:[/b]\n " + \
"Heat: " + ( "[color=00ff00][b]On[/b][/color]" if heatRead() else "Off" ) + "\n " + \
"Cool: " + ( "[color=00ff00][b]On[/b][/color]" if GPIO.input( coolPin ) else "Off" ) + "\n " + \
"Fan: " + ( "[color=00ff00][b]On[/b][/color]" if GPIO.input( fanPin ) else "Auto" ) + "\n " + \
"Sched: " + sched
versionLabel = Label( text="Thermostat v" + str( THERMOSTAT_VERSION ), size_hint = ( None, None ), font_size='10sp', markup=True, text_size=( 150, 20 ) )
currentLabel = Label( text="[b]" + str( currentTemp ) + scaleUnits + "[/b]", size_hint = ( None, None ), font_size='100sp', markup=True, text_size=( 300, 200 ) )
altCurLabel = Label( text=currentLabel.text, size_hint = ( None, None ), font_size='100sp', markup=True, text_size=( 300, 200 ), color=( 0.4, 0.4, 0.4, 0.2 ) )
setLabel = Label( text=" Set\n[b]" + str( setTemp ) + scaleUnits + "[/b]", size_hint = ( None, None ), font_size='25sp', markup=True, text_size=( 100, 100 ) )
statusLabel = Label( text=get_status_string(), size_hint = ( None, None ), font_size='20sp', markup=True, text_size=( 140, 130 ) )
dateLabel = Label( text="[b]" + time.strftime("%a %b %d, %Y") + "[/b]", size_hint = ( None, None ), font_size='20sp', markup=True, text_size=( 270, 40 ) )
timeStr = time.strftime("%I:%M %p").lower()
timeLabel = Label( text="[b]" + ( timeStr if timeStr[0:1] != "0" else timeStr[1:] ) + "[/b]", size_hint = ( None, None ), font_size='40sp', markup=True, text_size=( 180, 75 ) )
altTimeLabel = Label( text=timeLabel.text, size_hint = ( None, None ), font_size='40sp', markup=True, text_size=( 180, 75 ), color=( 0.4, 0.4, 0.4, 0.2 ) )
tempSlider = Slider( orientation='vertical', min=minTemp, max=maxTemp, step=tempStep, value=setTemp, size_hint = ( None, None ) )
screenMgr = None
##############################################################################
# #
# Weather functions/constants/widgets #
# #
##############################################################################
weatherLocation = settings.get( "weather" )[ "location" ]
weatherAppKey = settings.get( "weather" )[ "appkey" ]
weatherURLBase = "http://api.openweathermap.org/data/2.5/"
weatherURLCurrent = weatherURLBase + "weather?units=" + tempScale + "&q=" + weatherLocation + "&APPID=" + weatherAppKey
weatherURLForecast = weatherURLBase + "forecast/daily?units=" + tempScale + "&q=" + weatherLocation + "&APPID=" + weatherAppKey
weatherURLTimeout = settings.get( "weather" )[ "URLtimeout" ]
weatherRefreshInterval = settings.get( "weather" )[ "weatherRefreshInterval" ] * 60
forecastRefreshInterval = settings.get( "weather" )[ "forecastRefreshInterval" ] * 60
weatherExceptionInterval = settings.get( "weather" )[ "weatherExceptionInterval" ] * 60
weatherSummaryLabel = Label( text="", size_hint = ( None, None ), font_size='20sp', markup=True, text_size=( 200, 20 ) )
weatherDetailsLabel = Label( text="", size_hint = ( None, None ), font_size='20sp', markup=True, text_size=( 300, 150 ), valign="top" )
weatherImg = Image( source="web/images/na.png", size_hint = ( None, None ) )
forecastTodaySummaryLabel = Label( text="", size_hint = ( None, None ), font_size='15sp', markup=True, text_size=( 100, 15 ) )
forecastTodayDetailsLabel = Label( text="", size_hint = ( None, None ), font_size='15sp', markup=True, text_size=( 200, 150 ), valign="top" )
forecastTodayImg = Image( source="web/images/na.png", size_hint = ( None, None ) )
forecastTomoSummaryLabel = Label( text="", size_hint = ( None, None ), font_size='15sp', markup=True, text_size=( 100, 15 ))
forecastTomoDetailsLabel = Label( text="", size_hint = ( None, None ), font_size='15sp', markup=True, text_size=( 200, 150 ), valign="top" )
forecastTomoImg = Image( source="web/images/na.png", size_hint = ( None, None ) )
def get_weather( url ):
return json.loads( urlopen( url, None, weatherURLTimeout ))
def get_cardinal_direction( heading ):
directions = [ "N", "NE", "E", "SE", "S", "SW", "W", "NW", "N" ]
return directions[ int( round( ( ( heading % 360 ) / 45 ) ) ) ]
def display_current_weather( dt ):
with weatherLock:
interval = weatherRefreshInterval
try:
weather = get_weather( weatherURLCurrent )
weatherImg.source = "web/images/" + weather[ "weather" ][ 0 ][ "icon" ] + ".png"
weatherSummaryLabel.text = "[b]" + weather[ "weather" ][ 0 ][ "description" ].title() + "[/b]"
weatherDetailsLabel.text = "\n".join( (
"Temp: " + str( int( round( weather[ "main" ][ "temp" ], 0 ) ) ) + scaleUnits,
"Humidity: " + str( weather[ "main" ][ "humidity" ] ) + "%",
"Wind: " + str( int( round( weather[ "wind" ][ "speed" ] * windFactor ) ) ) + windUnits + " " + get_cardinal_direction( weather[ "wind" ][ "deg" ] ),
"Clouds: " + str( weather[ "clouds" ][ "all" ] ) + "%",
"Sun: " + time.strftime("%H:%M", time.localtime( weather[ "sys" ][ "sunrise" ] ) ) + " am, " + time.strftime("%I:%M", time.localtime( weather[ "sys" ][ "sunset" ] ) ) + " pm"
) )
log( LOG_LEVEL_INFO, CHILD_DEVICE_WEATHER_CURR, MSG_SUBTYPE_TEXT, weather[ "weather" ][ 0 ][ "description" ].title() + "; " + re.sub( '\n', "; ", re.sub( ' +', ' ', weatherDetailsLabel.text ).strip() ) )
except:
interval = weatherExceptionInterval
weatherImg.source = "web/images/na.png"
weatherSummaryLabel.text = ""
weatherDetailsLabel.text = ""
log( LOG_LEVEL_ERROR, CHILD_DEVICE_WEATHER_CURR, MSG_SUBTYPE_TEXT, "Update FAILED!" )
Clock.schedule_once( display_current_weather, interval )
def get_precip_amount( raw ):
precip = round( raw * precipFactor, precipRound )
if tempScale == "metric":
return str( int ( precip ) )
else:
return str( precip )
def display_forecast_weather( dt ):
with weatherLock:
interval = forecastRefreshInterval
try:
forecast = get_weather( weatherURLForecast )
today = forecast[ "list" ][ 0 ]
tomo = forecast[ "list" ][ 1 ]
forecastTodayImg.source = "web/images/" + today[ "weather" ][ 0 ][ "icon" ] + ".png"
forecastTodaySummaryLabel.text = "[b]" + today[ "weather" ][ 0 ][ "description" ].title() + "[/b]"
todayText = "\n".join( (
"High: " + str( int( round( today[ "temp" ][ "max" ], 0 ) ) ) + scaleUnits + ", Low: " + str( int( round( today[ "temp" ][ "min" ], 0 ) ) ) + scaleUnits,
"Humidity: " + str( today[ "humidity" ] ) + "%",
"Wind: " + str( int( round( today[ "speed" ] * windFactor ) ) ) + windUnits + " " + get_cardinal_direction( today[ "deg" ] ),
"Clouds: " + str( today[ "clouds" ] ) + "%",
) )
if "rain" in today or "snow" in today:
todayText += "\n"
if "rain" in today:
todayText += "Rain: " + get_precip_amount( today[ "rain" ] ) + precipUnits
if "snow" in today:
todayText += ", Snow: " + get_precip_amount( today[ "snow" ] ) + precipUnits
else:
todayText += "Snow: " + get_precip_amount( today[ "snow" ] ) + precipUnits
forecastTodayDetailsLabel.text = todayText;
forecastTomoImg.source = "web/images/" + tomo[ "weather" ][ 0 ][ "icon" ] + ".png"
forecastTomoSummaryLabel.text = "[b]" + tomo[ "weather" ][ 0 ][ "description" ].title() + "[/b]"
tomoText = "\n".join( (
"High: " + str( int( round( tomo[ "temp" ][ "max" ], 0 ) ) ) + scaleUnits + ", Low: " + str( int( round( tomo[ "temp" ][ "min" ], 0 ) ) ) + scaleUnits,
"Humidity: " + str( tomo[ "humidity" ] ) + "%",
"Wind: " + str( int( round( tomo[ "speed" ] * windFactor ) ) ) + windUnits + " " + get_cardinal_direction( tomo[ "deg" ] ),
"Clouds: " + str( tomo[ "clouds" ] ) + "%",
) )
if "rain" in tomo or "snow" in tomo:
tomoText += "\n"
if "rain" in tomo:
tomoText += "Rain: " + get_precip_amount( tomo[ "rain" ] ) + precipUnits
if "snow" in tomo:
tomoText += ", Snow: " + get_precip_amount( tomo[ "snow" ] ) + precipUnits
else:
tomoText += "Snow: " + get_precip_amount( tomo[ "snow" ] ) + precipUnits
forecastTomoDetailsLabel.text = tomoText
log( LOG_LEVEL_INFO, CHILD_DEVICE_WEATHER_FCAST_TODAY, MSG_SUBTYPE_TEXT, today[ "weather" ][ 0 ][ "description" ].title() + "; " + re.sub( '\n', "; ", re.sub( ' +', ' ', forecastTodayDetailsLabel.text ).strip() ) )
log( LOG_LEVEL_INFO, CHILD_DEVICE_WEATHER_FCAST_TOMO, MSG_SUBTYPE_TEXT, tomo[ "weather" ][ 0 ][ "description" ].title() + "; " + re.sub( '\n', "; ", re.sub( ' +', ' ', forecastTomoDetailsLabel.text ).strip() ) )
except:
interval = weatherExceptionInterval
forecastTodayImg.source = "web/images/na.png"
forecastTodaySummaryLabel.text = ""
forecastTodayDetailsLabel.text = ""
forecastTomoImg.source = "web/images/na.png"
forecastTomoSummaryLabel.text = ""
forecastTomoDetailsLabel.text = ""
log( LOG_LEVEL_ERROR, CHILD_DEVICE_WEATHER_FCAST_TODAY, MSG_SUBTYPE_TEXT, "Update FAILED!" )
Clock.schedule_once( display_forecast_weather, interval )
##############################################################################
# #
# Utility Functions #
# #
##############################################################################
def get_ip_address():
s = socket.socket( socket.AF_INET, socket.SOCK_DGRAM )
s.settimeout( 10 ) # 10 seconds
try:
s.connect( ( "8.8.8.8", 80 ) ) # Google DNS server
ip = s.getsockname()[0]
log( LOG_LEVEL_INFO, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM +"/settings/ip", ip, timestamp=False )
except socket.error:
ip = "127.0.0.1"
log( LOG_LEVEL_ERROR, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/settings/ip", "FAILED to get ip address, returning " + ip, timestamp=False )
return ip
def getVersion():
log( LOG_LEVEL_STATE, CHILD_DEVICE_NODE, MSG_SUBTYPE_VERSION, THERMOSTAT_VERSION )
def restart():
log( LOG_LEVEL_STATE, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/restart", "Thermostat restarting...", single=True )
GPIO.cleanup()
if logFile is not None:
logFile.flush()
os.fsync( logFile.fileno() )
logFile.close()
if mqttEnabled:
mqttc.disconnect()
os.execl( sys.executable, 'python', __file__, *sys.argv[1:] ) # This does not return!!!
def setLogLevel( msg ):
global logLevel
if LOG_LEVELS.get( msg.payload ):
log( LOG_LEVEL_STATE, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/loglevel", "LogLevel set to: " + msg.payload )
logLevel = LOG_LEVELS.get( msg.payload, logLevel )
else:
log( LOG_LEVEL_ERROR, CHILD_DEVICE_NODE, MSG_SUBTYPE_CUSTOM + "/loglevel", "Invalid LogLevel: " + msg.payload )
##############################################################################
# #
# Thermostat Implementation #
# #
##############################################################################
# Main furnace/AC system control function:
def change_system_settings():
with thermostatLock:
hpin_start = str( heatRead() )
cpin_start = str( GPIO.input( coolPin ) )
fpin_start = str( GPIO.input( fanPin ) )
if heatControl.state == "down":
GPIO.output( coolPin, GPIO.LOW )
if setTemp >= currentTemp + tempHysteresis:
heatSet( 1 ) #GPIO.output( heatPin, GPIO.HIGH )
GPIO.output( fanPin, GPIO.HIGH )
elif setTemp <= currentTemp:
heatSet( 0 ) #GPIO.output( heatPin, GPIO.LOW )
if fanControl.state != "down" and not GPIO.input( coolPin ):
GPIO.output( fanPin, GPIO.LOW )
else:
heatSet ( 0 ) #GPIO.output( heatPin, GPIO.LOW )
if coolControl.state == "down":
if setTemp <= currentTemp - tempHysteresis:
GPIO.output( coolPin, GPIO.HIGH )
GPIO.output( fanPin, GPIO.HIGH )
elif setTemp >= currentTemp:
GPIO.output( coolPin, GPIO.LOW )
if fanControl.state != "down" and not heatRead():
GPIO.output( fanPin, GPIO.LOW )
else:
GPIO.output( coolPin, GPIO.LOW )
if fanControl.state != "down" and not heatRead():
GPIO.output( fanPin, GPIO.LOW )
if fanControl.state == "down":
GPIO.output( fanPin, GPIO.HIGH )
else:
if not heatRead() and not GPIO.input( coolPin ):
GPIO.output( fanPin, GPIO.LOW )
# save the thermostat state in case of restart
state.put( "state", setTemp=setTemp,
heatControl=heatControl.state, coolControl=coolControl.state, fanControl=fanControl.state, holdControl=holdControl.state
)
statusLabel.text = get_status_string()
log( LOG_LEVEL_STATE, CHILD_DEVICE_HEAT_RELAY_STATE, MSG_SUBTYPE_BINARY_STATUS, "1" if heatRead() else "0" )
if hpin_start != str( heatRead() ):
log( LOG_LEVEL_STATE, CHILD_DEVICE_HEAT, MSG_SUBTYPE_BINARY_STATUS, "1" if heatRead() else "0" )
if cpin_start != str( GPIO.input( coolPin ) ):
log( LOG_LEVEL_STATE, CHILD_DEVICE_COOL, MSG_SUBTYPE_BINARY_STATUS, "1" if GPIO.input( coolPin ) else "0" )
if fpin_start != str( GPIO.input( fanPin ) ):
log( LOG_LEVEL_STATE, CHILD_DEVICE_FAN, MSG_SUBTYPE_BINARY_STATUS, "1" if GPIO.input( fanPin ) else "0" )
# This callback will be bound to the touch screen UI buttons:
def control_callback( control ):
with thermostatLock:
setControlState( control, control.state ) # make sure we change the background colour!
if control is coolControl:
if control.state == "down":
setControlState( heatControl, "normal" )
reloadSchedule()
if control is heatControl:
if control.state == "down":
setControlState( coolControl, "normal" )
reloadSchedule()
# Check the current sensor temperature
def check_sensor_temp( dt ):
with thermostatLock:
global currentTemp, priorCorrected, currentHumi
global tempSensor
if tempSensor is not None:
dataDict = tempSensor.read()
rawTemp = dataDict['temp']
rawHumi = dataDict['humi']
rawCO2 = dataDict['co2']
correctedTemp = ( ( ( rawTemp - freezingMeasured ) * referenceRange ) / measuredRange ) + freezingPoint
currentTemp = round( correctedTemp, 1 )
currentHumi = round( rawHumi, 1 )
log( LOG_LEVEL_DEBUG, CHILD_DEVICE_TEMP, MSG_SUBTYPE_CUSTOM + "/raw", str( rawTemp ) )
log( LOG_LEVEL_DEBUG, CHILD_DEVICE_TEMP, MSG_SUBTYPE_CUSTOM + "/corrected", str( correctedTemp ) )
# if abs( priorCorrected - correctedTemp ) >= TEMP_TOLERANCE:
log( LOG_LEVEL_STATE, CHILD_DEVICE_TEMP, MSG_SUBTYPE_TEMPERATURE, str( currentTemp ) )
log( LOG_LEVEL_STATE, CHILD_DEVICE_TEMP, MSG_SUBTYPE_TEMPERATURE1, str( currentTemp ) )
log( LOG_LEVEL_STATE, CHILD_DEVICE_TEMP, MSG_SUBTYPE_CO2, str( rawCO2 ) )
# priorCorrected = correctedTemp
currentLabel.text = "[b]" + str( currentTemp ) + scaleUnits + "[/b]"
altCurLabel.text = currentLabel.text
dateLabel.text = "[b]" + time.strftime("%a %b %d, %Y") + "[/b]"
timeStr = time.strftime("%I:%M %p").lower()
timeLabel.text = ( "[b]" + ( timeStr if timeStr[0:1] != "0" else timeStr[1:] ) + "[/b]" ).lower()
altTimeLabel.text = timeLabel.text
change_system_settings()
# This is called when the desired temp slider is updated:
def update_set_temp( slider, value ):
with thermostatLock:
global setTemp
priorTemp = setTemp
setTemp = round( slider.value, 1 )
setLabel.text = " Set\n[b]" + str( setTemp ) + scaleUnits + "[/b]"
if priorTemp != setTemp:
log( LOG_LEVEL_STATE, CHILD_DEVICE_UICONTROL_SLIDER, MSG_SUBTYPE_TEMPERATURE, str( setTemp ) )
# Check the PIR motion sensor status
def check_pir( pin ):
global minUITimer
with thermostatLock:
if GPIO.input( pirPin ):
log( LOG_LEVEL_INFO, CHILD_DEVICE_PIR, MSG_SUBTYPE_TRIPPED, "1" )
if minUITimer != None:
Clock.unschedule( show_minimal_ui )
minUITimer = Clock.schedule_once( show_minimal_ui, minUITimeout )
ignore = False
now = datetime.datetime.now().time()
if pirIgnoreFrom > pirIgnoreTo:
if now >= pirIgnoreFrom or now < pirIgnoreTo:
ignore = True
else:
if now >= pirIgnoreFrom and now < pirIgnoreTo:
ignore = True
if screenMgr.current == "minimalUI" and not( ignore ):
screenMgr.current = "thermostatUI"
log( LOG_LEVEL_DEBUG, CHILD_DEVICE_SCREEN, MSG_SUBTYPE_TEXT, "Full" )
else:
log( LOG_LEVEL_DEBUG, CHILD_DEVICE_PIR, MSG_SUBTYPE_TRIPPED, "0" )
# Minimal UI Display functions and classes
def show_minimal_ui( dt ):
with thermostatLock:
screenMgr.current = "minimalUI"
log( LOG_LEVEL_DEBUG, CHILD_DEVICE_SCREEN, MSG_SUBTYPE_TEXT, "Minimal" )
class MinimalScreen( Screen ):
def on_touch_down( self, touch ):
if self.collide_point( *touch.pos ):