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plugin.py
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## HomeWizard Wi-Fi P1 Meter Plugin
##
## Author: Eraser
## Version: 1.0.1
## Last modified: 31-05-2023
##
"""
<plugin key="HomeWizardWifiP1Meter" name="HomeWizard Wi-Fi P1 Meter" author="Eraser" version="1.0.1" externallink="https://www.homewizard.nl/p1-meter">
<description>
</description>
<params>
<param field="Address" label="IP Address" width="200px" required="true" default="127.0.0.1" />
<param field="Port" label="Port" width="200px" required="true" default="80" />
<param field="Mode1" label="Data interval" width="200px">
<options>
<option label="10 seconds" value="10"/>
<option label="20 seconds" value="20"/>
<option label="30 seconds" value="30"/>
<option label="1 minute" value="60" default="true"/>
<option label="2 minutes" value="120"/>
<option label="3 minutes" value="180"/>
<option label="4 minutes" value="240"/>
<option label="5 minutes" value="300"/>
</options>
</param>
<param field="Mode3" label="Usage value (Watt)" width="100px" required="false" default="0" />
<param field="Mode4" label="Production value (Watt)" width="100px" required="false" default="0" />
<param field="Mode6" label="Debug" width="75px">
<options>
<option label="True" value="Debug"/>
<option label="False" value="Normal" default="true" />
</options>
</param>
</params>
</plugin>
"""
import Domoticz
import json
import urllib
import urllib.request
class BasePlugin:
#Plugin variables
pluginInterval = 10 #in seconds
dataInterval = 60 #in seconds
dataIntervalCount = 0
usageSwitchValue = 0
productionSwitchValue = 0
#Homewizard P1 meter variables
wifi_strength = -1 #: [Number] De sterkte van het Wi-Fi signaal in %
total_power_import_t1_kwh = -1 #: [Number] De stroom afname meterstand voor tarief 1 in kWh
total_power_import_t2_kwh = -1 #: [Number] De stroom afname meterstand voor tarief 2 in kWh
total_power_export_t1_kwh = -1 #: [Number] De stroom teruglevering meterstand voor tarief 1 in kWh
total_power_export_t2_kwh = -1 #: [Number] De stroom teruglevering meterstand voor tarief 2 in kWh
active_power_w = -1 #: [Number] Het huidig gebruik van alle fases gecombineerd in Watt
active_power_l1_w = -1 #: [Number] Het huidig gebruik voor fase 1 in Watt (indien van toepassing)
active_power_l2_w = -1 #: [Number] Het huidig gebruik voor fase 2 in Watt (indien van toepassing)
active_power_l3_w = -1 #: [Number] Het huidig gebruik voor fase 3 in Watt (indien van toepassing)
active_voltage_l1_v = -1 #: [Number] Het huidige voltage voor fase 1 in volt (indien van toepassing)
active_voltage_l2_v = -1 #: [Number] Het huidige voltage voor fase 2 in volt (indien van toepassing)
active_voltage_l3_v = -1 #: [Number] Het huidige voltage voor fase 3 in volt (indien van toepassing)
active_current_l1_a = -1 #: [Number] De huidige stroom voor fase 1 in ampere (indien van toepassing)
active_current_l2_a = -1 #: [Number] De huidige stroom voor fase 2 in ampere (indien van toepassing)
active_current_l3_a = -1 #: [Number] De huidige stroom voor fase 3 in ampere (indien van toepassing)
total_gas_m3 = -1 #: [Number] De gas meterstand in m3
gas_timestamp = -1 #: [Number] De datum en tijd van de meest recente gas meterstand gestructureerd als YYMMDDhhmmss.
#Calculated variables
total_power = 0 #: Het totale gecombineerde vermogen.
import_active_power_w = 0 #: Het huidig vermogen wat momenteel van het net wordt geimporteerd.
export_active_power_w = 0 #: Het huidig vermogen wat momenteel naar het net wordt geexporteerd.
#Device ID's
active_power_id = 101
total_power_id = 102
active_power_l1_id = 105
active_power_l2_id = 106
active_power_l3_id = 107
active_voltage_l1_id = 108
active_voltage_l2_id = 109
active_voltage_l3_id = 110
active_current_l1_id = 111
active_current_l2_id = 112
active_current_l3_id = 113
total_gas_id = 121
switch_export_id = 130
switch_export_value_id = 131
switch_import_value_id = 132
wifi_signal_id = 140
def onStart(self):
if Parameters["Mode6"] == "Debug":
Domoticz.Debugging(1)
DumpConfigToLog()
# If data interval between 10 sec. and 5 min.
if 10 <= int(Parameters["Mode1"]) <= 300:
self.dataInterval = int(Parameters["Mode1"])
else:
# If not, set to 60 sec.
self.dataInterval = 60
# If usage switch value
if isNumber(Parameters["Mode3"]) == True and 1 <= int(Parameters["Mode3"]) <= 999999:
self.usageSwitchValue = int(Parameters["Mode3"])
else:
# If not, set to 0 (means off)
self.usageSwitchValue = 0
# If production switch value
if isNumber(Parameters["Mode4"]) == True and 1 <= int(Parameters["Mode4"]) <= 999999:
self.productionSwitchValue = int(Parameters["Mode4"])
else:
# If not, set to 0 (means off)
self.productionSwitchValue = 0
# Start the heartbeat
Domoticz.Heartbeat(self.pluginInterval)
return True
def onConnect(self, Status, Description):
return True
def onMessage(self, Data, Status, Extra):
try:
Domoticz.Debug("Reading electricity values from input")
self.wifi_strength = Data['wifi_strength']
self.total_power_import_t1_kwh = int(Data['total_power_import_t1_kwh'] * 1000)
self.total_power_export_t1_kwh = int(Data['total_power_export_t1_kwh'] * 1000)
# Initialise the t2 variables if the power meter does not have a t2 tariff
try:
self.total_power_import_t2_kwh = int(Data['total_power_import_t2_kwh'] * 1000)
self.total_power_export_t2_kwh = int(Data['total_power_export_t2_kwh'] * 1000)
except:
self.total_power_import_t2_kwh = 0
self.total_power_export_t2_kwh = 0
self.active_power_w = Data['active_power_w']
if ( 'active_power_l1_w' in Data ): self.active_power_l1_w = Data['active_power_l1_w']
if ( 'active_power_l2_w' in Data ): self.active_power_l2_w = Data['active_power_l2_w']
if ( 'active_power_l3_w' in Data ): self.active_power_l3_w = Data['active_power_l3_w']
if ( 'active_voltage_l1_v' in Data ): self.active_voltage_l1_v = float(Data['active_voltage_l1_v'])
if ( 'active_voltage_l2_v' in Data ): self.active_voltage_l2_v = float(Data['active_voltage_l2_v'])
if ( 'active_voltage_l3_v' in Data ): self.active_voltage_l3_v = float(Data['active_voltage_l3_v'])
if ( 'active_current_l1_a' in Data ): self.active_current_l1_a = float(Data['active_current_l1_a'])
if ( 'active_current_l2_a' in Data ): self.active_current_l2_a = float(Data['active_current_l2_a'])
if ( 'active_current_l3_a' in Data ): self.active_current_l3_a = float(Data['active_current_l3_a'])
Domoticz.Debug("Reading gas values from input")
#New version has room for multiple gas meters. We only monitor the first one if available.
for external in Data['external']:
if ( external['type'] == "gas_meter" ):
self.total_gas_m3 = int(external['value'] * 1000)
self.gas_timestamp = external['timestamp']
break
Domoticz.Debug("Calculating active power")
self.total_power = self.total_power_import_t1_kwh + self.total_power_import_t2_kwh - self.total_power_export_t1_kwh - self.total_power_export_t2_kwh
if ( self.active_power_w >= 0 ):
self.import_active_power_w = self.active_power_w
self.export_active_power_w = 0
else:
self.import_active_power_w = 0
self.export_active_power_w = self.active_power_w * -1
#------- Power -------
try:
if ( self.active_power_id not in Devices ):
Domoticz.Device(Name="Current power usage", Unit=self.active_power_id, Type=243, Subtype=29).Create()
#UpdateDevice(self.active_power_id, 0, numStr(self.active_power_w) + ";0", True)
UpdateDevice(self.active_power_id, 0, numStr(self.active_power_w) + ";" + numStr(self.total_power), True)
except:
Domoticz.Error("Failed to update device id " + str(self.active_power_id))
try:
if ( self.total_power_id not in Devices ):
Domoticz.Device(Name="Total power usage", Unit=self.total_power_id, Type=250, Subtype=1).Create()
UpdateDevice(self.total_power_id, 0, numStr(self.total_power_import_t1_kwh) + ";" + numStr(self.total_power_import_t2_kwh) + ";" + numStr(self.total_power_export_t1_kwh) + ";" + numStr(self.total_power_export_t2_kwh) + ";" + numStr(self.import_active_power_w) + ";" + numStr(self.export_active_power_w), True)
except:
Domoticz.Error("Failed to update device id " + str(self.total_power_id))
#------- Power per fase -------
if ( self.active_power_l1_w > -1 ):
try:
if ( self.active_power_l1_id not in Devices ):
Domoticz.Device(Name="Current phase-1 power usage", Unit=self.active_power_l1_id, Type=243, Subtype=29).Create()
UpdateDevice(self.active_power_l1_id, 0, numStr(self.active_power_l1_w) + ";0", True)
except:
Domoticz.Error("Failed to update device id " + str(self.active_power_l1_id))
if ( self.active_power_l2_w > -1 ):
try:
if ( self.active_power_l2_id not in Devices ):
Domoticz.Device(Name="Current phase-2 power usage", Unit=self.active_power_l2_id, Type=243, Subtype=29).Create()
UpdateDevice(self.active_power_l2_id, 0, numStr(self.active_power_l2_w) + ";0", True)
except:
Domoticz.Error("Failed to update device id " + str(self.active_power_l2_id))
if ( self.active_power_l3_w > -1 ):
try:
if ( self.active_power_l3_id not in Devices ):
Domoticz.Device(Name="Current phase-3 power usage", Unit=self.active_power_l3_id, Type=243, Subtype=29).Create()
UpdateDevice(self.active_power_l3_id, 0, numStr(self.active_power_l3_w) + ";0", True)
except:
Domoticz.Error("Failed to update device id " + str(self.active_power_l3_id))
#------- Voltage per fase -------
if ( self.active_voltage_l1_v > -1 ):
try:
if ( self.active_voltage_l1_id not in Devices ):
Domoticz.Device(Name="Current phase-1 voltage", Unit=self.active_voltage_l1_id, Type=243, Subtype=8).Create()
UpdateDevice(self.active_voltage_l1_id, 0, f'{self.active_voltage_l1_v:.3f}' + ";0", True)
except:
Domoticz.Error("Failed to update device id " + str(self.active_voltage_l1_id))
if ( self.active_voltage_l2_v > -1 ):
try:
if ( self.active_voltage_l2_id not in Devices ):
Domoticz.Device(Name="Current phase-2 voltage", Unit=self.active_voltage_l2_id, Type=243, Subtype=8).Create()
UpdateDevice(self.active_voltage_l2_id, 0, f'{self.active_voltage_l2_v:.3f}' + ";0", True)
except:
Domoticz.Error("Failed to update device id " + str(self.active_voltage_l2_id))
if ( self.active_voltage_l3_v > -1 ):
try:
if ( self.active_voltage_l3_id not in Devices ):
Domoticz.Device(Name="Current phase-3 voltage", Unit=self.active_voltage_l3_id, Type=243, Subtype=8).Create()
UpdateDevice(self.active_voltage_l3_id, 0, f'{self.active_voltage_l3_v:.3f}' + ";0", True)
except:
Domoticz.Error("Failed to update device id " + str(self.active_voltage_l3_id))
#------- Amperage per fase -------
if ( self.active_current_l1_a > -1 ):
try:
if ( self.active_current_l1_id not in Devices ):
Domoticz.Device(Name="Current phase-1 current", Unit=self.active_current_l1_id, Type=243, Subtype=23).Create()
UpdateDevice(self.active_current_l1_id, 0, f'{self.active_current_l1_a:.3f}' + ";0", True)
except:
Domoticz.Error("Failed to update device id " + str(self.active_current_l1_id))
if ( self.active_current_l2_a > -1 ):
try:
if ( self.active_current_l2_id not in Devices ):
Domoticz.Device(Name="Current phase-2 current", Unit=self.active_current_l2_id, Type=243, Subtype=23).Create()
UpdateDevice(self.active_current_l2_id, 0, f'{self.active_current_l2_a:.3f}' + ";0", True)
except:
Domoticz.Error("Failed to update device id " + str(self.active_current_l2_id))
if ( self.active_current_l3_a > -1 ):
try:
if ( self.active_current_l3_id not in Devices ):
Domoticz.Device(Name="Current phase-3 current", Unit=self.active_current_l3_id, Type=243, Subtype=23).Create()
UpdateDevice(self.active_current_l3_id, 0, f'{self.active_current_l3_a:.3f}' + ";0", True)
except:
Domoticz.Error("Failed to update device id " + str(self.active_current_l3_id))
#------- Gas -------
try:
if ( self.total_gas_id not in Devices ):
Domoticz.Device(Name="Total gas", Unit=self.total_gas_id, TypeName="Gas").Create()
UpdateDevice(self.total_gas_id, 0, numStr(self.total_gas_m3), True)
except:
Domoticz.Error("Failed to update device id " + str(self.total_gas_id))
try:
if ( self.wifi_signal_id not in Devices ):
Domoticz.Device(Name="Wifi signal", Unit=self.wifi_signal_id, TypeName="Percentage").Create()
UpdateDevice(self.wifi_signal_id, 0, numStr(self.wifi_strength), True)
except:
Domoticz.Error("Failed to update device id " + str(self.wifi_signal_id))
#------- Switches -------
try:
if ( self.switch_export_id not in Devices ):
Domoticz.Device(Name="Production switch", Unit=self.switch_export_id, TypeName="Switch").Create()
if ( self.export_active_power_w > 0 ):
UpdateDevice(self.switch_export_id, 1, "On")
else:
UpdateDevice(self.switch_export_id, 0, "Off")
except:
Domoticz.Error("Failed to update device id " + str(self.switch_export_id))
if ( self.productionSwitchValue > 0 ):
try:
if ( self.switch_export_value_id not in Devices ):
Domoticz.Device(Name="Production value switch", Unit=self.switch_export_value_id, TypeName="Switch").Create()
if ( self.export_active_power_w >= self.productionSwitchValue ):
UpdateDevice(self.switch_export_value_id, 1, "On")
else:
UpdateDevice(self.switch_export_value_id, 0, "Off")
except:
Domoticz.Error("Failed to update device id " + str(self.switch_export_value_id))
if ( self.usageSwitchValue > 0 ):
try:
if ( self.switch_import_value_id not in Devices ):
Domoticz.Device(Name="Usage value switch", Unit=self.switch_import_value_id, TypeName="Switch").Create()
if ( self.import_active_power_w >= self.usageSwitchValue ):
UpdateDevice(self.switch_import_value_id, 1, "On")
else:
UpdateDevice(self.switch_import_value_id, 0, "Off")
except:
Domoticz.Error("Failed to update device id " + str(self.switch_import_value_id))
except:
Domoticz.Error("Failed to read response data")
return
return True
def onCommand(self, Unit, Command, Level, Hue):
#Domoticz.Log("onCommand called for Unit " + str(Unit) + ": Parameter '" + str(Command) + "', Level: " + str(Level))
return True
def onNotification(self, Name, Subject, Text, Status, Priority, Sound, ImageFile):
#Domoticz.Log("Notification: " + Name + "," + Subject + "," + Text + "," + Status + "," + str(Priority) + "," + Sound + "," + ImageFile)
return
def onHeartbeat(self):
self.dataIntervalCount += self.pluginInterval
#------- Collect data -------
if ( self.dataIntervalCount >= self.dataInterval ):
self.dataIntervalCount = 0
self.readMeter()
return
def onDisconnect(self):
return
def onStop(self):
#Domoticz.Log("onStop called")
return True
def readMeter(self):
try:
APIdata = urllib.request.urlopen("http://" + Parameters["Address"] + ":" + Parameters["Port"] + "/api/v1/data").read()
except:
Domoticz.Error("Failed to communicate with Wi-Fi P1 meter at ip " + Parameters["Address"] + " with port " + Parameters["Port"])
return False
try:
APIjson = json.loads(APIdata.decode("utf-8"))
except:
Domoticz.Error("Failed converting API data to JSON")
return False
try:
self.onMessage(APIjson, "200", "")
except:
Domoticz.Error("onMessage failed with some error")
return False
global _plugin
_plugin = BasePlugin()
def onStart():
global _plugin
_plugin.onStart()
def onStop():
global _plugin
_plugin.onStop()
def onConnect(Status, Description):
global _plugin
_plugin.onConnect(Status, Description)
def onMessage(Data, Status, Extra):
global _plugin
_plugin.onMessage(Data, Status, Extra)
def onCommand(Unit, Command, Level, Hue):
global _plugin
_plugin.onCommand(Unit, Command, Level, Hue)
def onNotification(Name, Subject, Text, Status, Priority, Sound, ImageFile):
global _plugin
_plugin.onNotification(Name, Subject, Text, Status, Priority, Sound, ImageFile)
def onDisconnect():
global _plugin
_plugin.onDisconnect()
def onHeartbeat():
global _plugin
_plugin.onHeartbeat()
# Generic helper functions
def isNumber(s):
try:
float(s)
return True
except ValueError:
return False
def numStr(s):
try:
return str(s).replace('.','')
except:
return "0"
def DumpConfigToLog():
for x in Parameters:
if Parameters[x] != "":
Domoticz.Debug( "'" + x + "':'" + str(Parameters[x]) + "'")
Domoticz.Debug("Device count: " + str(len(Devices)))
for x in Devices:
Domoticz.Debug("Device: " + str(x) + " - " + str(Devices[x]))
Domoticz.Debug("Device ID: '" + str(Devices[x].ID) + "'")
Domoticz.Debug("Device Name: '" + Devices[x].Name + "'")
Domoticz.Debug("Device nValue: " + str(Devices[x].nValue))
Domoticz.Debug("Device sValue: '" + Devices[x].sValue + "'")
Domoticz.Debug("Device LastLevel: " + str(Devices[x].LastLevel))
return
def UpdateDevice(Unit, nValue, sValue, AlwaysUpdate=False, SignalLevel=12):
# Make sure that the Domoticz device still exists (they can be deleted) before updating it
if (Unit in Devices):
if ((Devices[Unit].nValue != nValue) or (Devices[Unit].sValue != sValue) or (AlwaysUpdate == True)):
Devices[Unit].Update(nValue=nValue, sValue=str(sValue), SignalLevel=SignalLevel)
Domoticz.Debug("Update "+str(nValue)+":'"+str(sValue)+"' ("+Devices[Unit].Name+")")
return