JeeLinkLogMQTT/jeelinklog/jeelinklog.py

#!/usr/bin/python3 -u
# -*- coding: utf-8 -*-
#

import serial
import time
from time import localtime, strftime
from datetime import datetime

import configparser
from influxdb import InfluxDBClient

import os
import sys
import paho.mqtt.client as mqtt
import yaml
import json
import statistics
import math
#import math
#import numpy as np
#import httplib

# Change working dir to the same dir as this script
os.chdir(sys.path[0])


# stop program if nothing is received from JeeLink for 5 min (will be restarted by systemd)
serialReceived_maxAge = 300

config = configparser.ConfigParser()
config.read('jeelinklog.ini')

serialport = config['jeelink'].get('serialport')
serialbaud = int(config['jeelink'].get('baudrate'))

mqtt_topic_prefix = config['mqtt'].get('topic_prefix')
topic_prefix_outside_temphum = config['mqtt'].get('topic_prefix_outside_temphum')
mqtt_topic_atemp = config['mqtt'].get('topic_outside_temp')
mqtt_topic_ahum = config['mqtt'].get('topic_outside_hum')
mqtt_topic_ahum = config['mqtt'].get('topic_outside_dew')
mqtt_topic_ahum = config['mqtt'].get('topic_outside_abshum')
mqtt_topic_domoticz_in = "domoticz/in"

mqtt_subtopic_notify = config['mqtt'].get('subtopic_notify')

logfile_new_sensors = config['main'].get('logfile_new_sensors')
path_new_sensors_folder = config['main'].get('path_new_sensors_folder')

log_path = config['main'].get('log_path')
if not os.path.exists(log_path):
    os.makedirs(log_path)

verbosemode = False

#sensors_conf_file = "/home/pi/jeelink_sensors.csv"

sensordata_maxage = int(config['sensors'].get('data_maxage'))

#minUpdateInterval = 60
#aTempHumPublishInterval = 60

#override_updateinterval_on_change = False
#atemp_sensor_idx = 94
#atemp_sensor_idx_2 = 113


average_value_steps = int(config['sensors'].get('average_value_steps'))
if average_value_steps == 0:
    average_value_steps = 1


if len(sys.argv) > 1 and str(sys.argv[1]) == "-v":
    verbosemode = True
    

def touch(fname, times=None):
    with open(fname, 'a'):
        os.utime(fname, times)

def on_connect(client, userdata, flags, rc):
    if verbosemode:
        print("MQTT connected with result code " + str(rc) + "\n")
    #client.subscribe("wetter/atemp")

def on_disconnect(client, userdata, rc):
    if rc != 0:
        print("Unexpected MQTT disconnection. Will auto-reconnect\n")
        
#def on_message(client, userdata, msg):
#    #print(msg.topic + " " + str(msg.payload))
#    global atemp
#    atemp = msg.payload

# dont edit below

#starting values only..
##atemp = 61 
##ahum = 101
##atemp1 = 61
##ahum1 = 101
##atemp2 = 61
##ahum2 = 101
##atemp_last = 61
##ahum_last = 101

checkLastUpdateInterval = 60
checkLastUpdateInterval_lastRun = 0

lastPublishTime = 0
lastStoreTime = 0

sensors = dict()
sensors_id_to_name = dict()
#sensors_idx = dict()
sensors_lastTemp = dict()
sensors_lastHum = dict()
sensors_lastUpdate = dict()
sensors_lastReceivedValue_temp = dict()
sensors_lastReceivedTime = dict()
sensors_lastValues_temp = dict()
sensors_lastValues_hum = dict()
sensors_lastAvgValue_temp = dict()
sensors_lastAvgValue_hum = dict()
sensors_lastValues_lastIndex = dict()
#sensors_unavailable = dict()
sensors_batteryState = dict()
sensors_new_alreadyNotified = dict()

sensors_outside_sensors = []
outSens_lastRun = 0
outSens_store_lastRun = 0

influx_default_fieldname_temperature = 'Temperature'
influx_default_fieldname_humidity = 'Humidity'
influx_default_fieldname_dewpoint = 'Dewpoint'
influx_default_fieldname_abshum = 'AbsHumidity'
influx_default_datatype_temperature = 'float'
influx_default_datatype_humidity = 'int'
influx_default_datatype_dewpoint = 'float'
influx_default_datatype_abshum = 'float'

sensors_yaml = yaml.load(open(config['main'].get('sensors_config_yml')), Loader=yaml.FullLoader)

def list_duplicates(seq):
  seen = set()
  seen_add = seen.add
  # adds all elements it doesn't know yet to seen and all other to seen_twice
  seen_twice = set( x for x in seq if x in seen or seen_add(x) )
  # turn the set into a list (as requested)
  return list( seen_twice )
  


# Dew point calculation based on formula and JS code found on: https://www.wetterochs.de/wetter/feuchte.html#f4

# dew point from temperature, relative humidity
# in °C
def dewpoint(temp, relHum):
    if temp >= 0:
        a = 7.5
        b = 237.3
    else:
        a = 7.6
        b = 240.7
    c = math.log(vaporPressure(temp, relHum)/6.1078) * math.log10(math.e)
    return (b * c) / (a - c)
    
def celsiusToKelvin(temp):
    return temp + 273.15
    
def absoluteHumidity(relHum, temp):
    # AF = absolute Feuchte in g Wasserdampf pro m3 Luft
    # R* = 8314.3 J/(kmol*K) (universelle Gaskonstante)
    # mw = 18.016 kg/kmol (Molekulargewicht des Wasserdampfes)
    # r = relative Luftfeuchte
    # T = Temperatur in °C
    # TK = Temperatur in Kelvin (TK = T + 273.15)
    # TD = Taupunkttemperatur in °C
    #
    # mw/R* = 18.016 / 8314.3 = 0,0021668691290908
    # 
    # AF(r,TK)  = 10^5 * mw/R* * DD(T,r)/TK
    # unused 2nd formula: AF(TD,TK) = 10^5 * mw/R* * SDD(TD)/TK
    mw = 18.016
    R = 8314.3
    return 10**5 * mw/R * vaporPressure(temp, relHum) / celsiusToKelvin(temp)
    
# Saettingungsdampfdruck / saturation vapour pressure
# from temperature in hPa
def saturationVaporPressure(temp):
    if temp >= 0:
        a = 7.5
        b = 237.3
    else:
        a = 7.6
        b = 240.7
    return 6.1078 * math.exp(((a*temp)/(b + temp))/ math.log10(math.e))
    
# Dampfdruck / vapour pressure
# from temperature, relative humidity in hPa
def vaporPressure(temp, relHum):
	return relHum/100 * saturationVaporPressure(temp)
    

if verbosemode:
    print("JeeLink2MQTT by Flo Kra")
    print("=======================================================================")
    print("loading InfluxDB configuration...")
    
influxdb_yaml = yaml.load(open(config['main'].get('influx_config_yml')), Loader=yaml.SafeLoader)

if verbosemode: 
    print("InfluxDB Instances:")
    print(json.dumps(influxdb_yaml, indent=4))

influxclient = dict()
for instance in influxdb_yaml:
    i_host = influxdb_yaml[instance].get('host', None)
    i_port = int(influxdb_yaml[instance].get('port', 8086))
    i_username = influxdb_yaml[instance].get('username', None)
    i_password = influxdb_yaml[instance].get('password', None)
    i_database = influxdb_yaml[instance].get('database', None)
    if i_host != None and i_database != None:
        if i_username != None and i_password != None:
            influxclient[instance] = InfluxDBClient(i_host, i_port, i_username, i_password, i_database)
        else:
            influxclient[instance] = InfluxDBClient(i_host, i_port, i_database)
            
    
if verbosemode:    
    print("loading sensors configuration: ")
    print(json.dumps(sensors_yaml, indent=3))

for key in sensors_yaml:
    #print(key, '->', sensors_yaml[key])
    if verbosemode: print("Sensor name:", key)
    sensorName = key
    if sensors_yaml[key].get('LaCrosseID'):
        if verbosemode: print("LaCrosseID:", sensors_yaml[key].get('LaCrosseID'))
        sensorId = sensors_yaml[key].get('LaCrosseID')
        sensors_id_to_name[sensorId] = sensorName
        
        if sensors_yaml[key].get('DomoticzIdx'):
            if verbosemode: print("DomoticzIdx:", sensors_yaml[key].get('DomoticzIdx'))
            #sensors_idx[sensorId] = sensors_yaml[key].get('DomoticzIdx')
            
        if sensors_yaml[key].get('Topic_Temp'):
            if verbosemode: print("Topic_Temp:", sensors_yaml[key].get('Topic_Temp'))
            
        if sensors_yaml[key].get('Topic_Hum'):
            if verbosemode: print("Topic_Hum:", sensors_yaml[key].get('Topic_Hum'))
        
        if sensors_yaml[key].get('InfluxDB_Instance'):
            if verbosemode: 
                print("InfluxDB_Instance:", sensors_yaml[key].get('InfluxDB_Instance'))
            if sensors_yaml[key].get('InfluxDB_Instance') not in influxdb_yaml:
                print("Error: invalid InfluxDB instance '" + sensors_yaml[key].get('InfluxDB_Instance') + "' configured for sensor '" + sensorName + "'")
            
        if sensors_yaml[key].get('isOutsideTempSensor'):
            if verbosemode: print("isOutsideTempSensor:", sensors_yaml[key].get('isOutsideTempSensor'))
            sensors_outside_sensors.append(sensorId)
        
        
    else: 
        print("WARNING: Sensor " + key + " has no LaCrosseID!")
    
        
    if verbosemode: print()
    
#print(json.dumps(sensor))
#print("sensors_id_to_name =",sensors_id_to_name)
#print("outside sensors: ", sensors_outside_sensors)

if verbosemode:
    print("\n")
    
    
mqttc = mqtt.Client()
mqttc.on_connect = on_connect
mqttc.on_disconnect = on_disconnect
##mqttc.on_message = on_message

if config['mqtt'].get('user') != "" and config['mqtt'].get('password') != "":
    mqttc.username_pw_set(config['mqtt'].get('user'), config['mqtt'].get('password'))
mqttc.connect(config['mqtt'].get('server'), config['mqtt'].getint('port'), 60)

mqttc.loop_start()
#mqttc.loop_forever()

ser = serial.Serial(port=serialport,
    baudrate = serialbaud,
    parity=serial.PARITY_NONE,
    stopbits=serial.STOPBITS_ONE,
    bytesize=serial.EIGHTBITS,
    timeout=1)


checkLastUpdateInterval_lastRun = time.time() # first check after timeout expired

# set serialReceivedLastTime to current time so that we can detect if nothing is received for some time
serialReceivedLastTime = int(time.time())
    
try:
    while True:
        msg_was_sent = 0
        
        #clear serial buffer to remove junk and noise
        ser.flushInput()
        
        #read buffer until cr/lf
        serLine = ser.readline().strip()
        # catch exception on invalid char coming in: UnicodeDecodeError: 'ascii' codec can't decode byte 0xf4 in position 6: ordinal not in range(128)
        try: 
            serLine = serLine.decode('ascii')
        except:
            serLine = False

        if(serLine):
            if serLine.find('OK 9') != -1:
                
                # set serialReceivedLastTime to current time so that we can detect if nothing is received for some time
                serialReceivedLastTime = int(time.time())
                
                if verbosemode:
                    print(serLine + " = LaCrosse sensor")

                # uns interessieren nur reinkommende Zeilen die mit "OK 9 " beginnen
                
                # 0  1 2  3   4   5   6
                # OK 9 ID XXX XXX XXX XXX
                # |  | |  |   |   |   |
                # |  | |  |   |   |   --- Humidity incl. WeakBatteryFlag
                # |  | |  |   |   |------ Temp * 10 + 1000 LSB
                # |  | |  |   |---------- Temp * 10 + 1000 MSB
                # |  | |  |-------------- Sensor type (1 or 2) +128 if NewBatteryFlag
                # |  | |----------------- Sensor ID
                # |  |------------------- fix "9"
                # |---------------------- fix "OK"
                
                serLineParts = serLine.split(' ')
                
                #print("Len: " + str(len(serLineParts)))
                
                if(len(serLineParts) == 7): # check correct size of incoming data
                
                    #addr = serLineParts[2]
                    #addr = "{0:x}".format(int(serLineParts[2]))
                    #addr = hex((int(serLineParts[2])))
                    addr = int(serLineParts[2])
                    addrhex = "{0:x}".format(int(serLineParts[2]))
                        
                    
                    lastUpdate = sensors_lastUpdate.get(addr, None)
                    lastTemp = sensors_lastTemp.get(addr, None)
                    lastHum = sensors_lastHum.get(addr, None)
                    
                    currentsensor_name = sensors_id_to_name.get(addr, None)
                                                        
                    
                    # extract sensor data received from JeeLink
                    if int(serLineParts[3]) >= 128: 
                        batt_new = 1
                        type = int(serLineParts[3]) - 128
                    else:
                        batt_new = 0
                        type = int(serLineParts[3])
                    
                    temp = (int(serLineParts[4])*256 + int(serLineParts[5]) - 1000)/10.0
                    
                    if int(serLineParts[6]) >= 128: 
                        batt_low = 1
                        hum = int(serLineParts[6]) - 128
                    else:
                        batt_low = 0
                        hum = int(serLineParts[6])
                        if hum > 100: 
                            hum = 100
                    
                    if batt_new == 1:
                        sensors_batteryState[addr] = 2
                    elif batt_low == 1:
                        sensors_batteryState[addr] = 1
                    else:
                        sensors_batteryState[addr] = 0
                    
                    lastValues_lastIndex = sensors_lastValues_lastIndex.get(addr, None)
                    
                    if sensors_lastValues_temp.get(addr, None) == None:
                        sensors_lastValues_temp[addr] = [None] * average_value_steps
                    
                    if sensors_lastValues_hum.get(addr, None) == None:
                        sensors_lastValues_hum[addr] = [None] * average_value_steps
                    
                    data_okay = False
                    
                    if sensors_lastReceivedValue_temp.get(addr, None) == None:
                        # this is the first time we receive from that sensor in that session
                        if verbosemode: print("first received from sensor",str(addr))
                        sensors_lastReceivedValue_temp[addr] = temp
                        sensors_lastReceivedTime[addr] = int(time.time())
                        #lastValues_lastIndex = 0
                    else:
                        lastValue = sensors_lastReceivedValue_temp.get(addr, None)
                        
                        max_off_value = float(config['sensors'].get('max_off_value'))
                        ignore_off_value_timeout = int(config['sensors'].get('ignore_off_value_timeout'))
                        
                        if lastValue != None and ((temp >= (lastValue - max_off_value) and temp <= (lastValue + max_off_value)) or ((int(time.time()) - sensors_lastReceivedTime.get(addr)) > ignore_off_value_timeout)):   # discard off values
                            sensors_lastReceivedValue_temp[addr] = temp
                            sensors_lastReceivedTime[addr] = int(time.time())
                            #print("Last Value=",lastValue,"currValue=",temp)
                            data_okay = True
                        else:
                            if verbosemode: print("skipped sensor reading - Last Value=",lastValue,"currValue=",temp)
                            
                    
                    if data_okay:
                        if lastValues_lastIndex == None:
                            lastValues_lastIndex = 0
                        elif lastValues_lastIndex == (average_value_steps - 1):
                            lastValues_lastIndex = 0
                        else:
                            lastValues_lastIndex += 1
                        if verbosemode: print("lastValues_lastIndex =", lastValues_lastIndex)
                        
                        sensors_lastValues_lastIndex[addr] = lastValues_lastIndex
                        sensors_lastValues_temp[addr][lastValues_lastIndex] = temp
                        sensors_lastValues_hum[addr][lastValues_lastIndex] = hum
                        
                        sensors_lastUpdate[addr] = int(time.time())
                        
                        if verbosemode: print("sensors_lastValues_temp =", sensors_lastValues_temp[addr])
                        
                    
                    if currentsensor_name is None: 
                        if batt_new == 1 and not sensors_new_alreadyNotified.get('addr', False):
                            notifystr = "NEW sensor with ID " + str(addr)
                            mqttc.publish(mqtt_topic_prefix+"/" + mqtt_subtopic_notify, notifystr, qos=0, retain=False)
                            
                            if not os.path.exists(log_path+'/new'):
                                os.makedirs(log_path+'/new')
                                
                            fname = log_path + '/new/' + str(addr)
                            if not os.path.exists(fname):
                                try:
                                    touch(fname)
                                except:
                                    pass
                            
                            try:
                                f = open(log_path+'/'+logfile_new_sensors, 'a')
                                f.write(str(datetime.now())+": "+notifystr+"\n")
                                f.close()
                            except:
                                # guat dann hoit ned...
                                pass
                                
                            sensors_new_alreadyNotified[addr] = True
                        else:
                            if not os.path.exists(log_path+'/unknown'):
                                os.makedirs(log_path+'/unknown')
                            fname = log_path + '/unknown/' + str(addr)
                            if not os.path.exists(fname):
                                try:
                                    touch(fname)
                                except:
                                    pass
                        
                        if verbosemode:
                            print("unknown sensor ID " + str(addr))
                                        
                    if verbosemode:
                        print("LaCrosse-ID: " + str(addr) + " = 0x" + str(addrhex) + "   Type: " + str(type) + "   Batt_New: " + str(batt_new) + "   Batt_Low: " + str(batt_low) + "   Temp: " + str(temp) + "   Hum: " + str(hum) + "   Name: " + str(currentsensor_name))
                        print()
                    
                    #if senddata:
                    #    sensors_lastUpdate[str(addr)] = int(time.time())
                    #    sensors_lastTemp[str(addr)] = temp
                    #    sensors_lastHum[str(addr)] = hum
                    #    
                    #    isAtemp = False
                    #    if int(currentsensor_idx) == atemp_sensor_idx:
                    #        atemp1 = temp
                    #        ahum1 = hum
                    #        isAtemp = True
                    #    elif int(currentsensor_idx) == atemp_sensor_idx_2:
                    #        atemp2 = temp
                    #        ahum2 = hum
                    #        isAtemp = True
                    #    
                    #    if isAtemp:
                    #        if atemp1 <= atemp2:
                    #            atemp = atemp1
                    #            ahum = ahum1
                    #        else:
                    #            atemp = atemp2
                    #            ahum = ahum2
                    #        
                    #        if atemp < 61 and ahum < 101:
                    #            if atemp != atemp_last or ahum != ahum_last or ((time.time() - atemphum_lastUpdate) > aTempHumPublishInterval):
                    #                atemphum_lastUpdate = time.time()
                    #                atemp_last = atemp
                    #                ahum_last = ahum
                    #                mqttc.publish(mqtt_topic_atemp, str(atemp), qos=0, retain=True)
                    #                mqttc.publish(mqtt_topic_ahum, str(ahum), qos=0, retain=True)
                    #                mqttc.publish(mqtt_topic_atemphum_lastUpdate, strftime("%Y-%m-%d %H:%M:%S", localtime()), qos=0, retain=False)
                    #    
                    #    domoticz_json = "{\"idx\":" + str(currentsensor_idx) + ",\"nvalue\":0,\"svalue\":\"" + str(temp) + ";" + str(hum) + ";1\"}"
                    #    #if verbosemode:
                    #    #    print(domoticz_json)
                    #    mqttc.publish(mqtt_topic_domoticz_in, domoticz_json, qos=0, retain=False)
                    #    
                    #    mqttc.publish(mqtt_topic_prefix+"/"+str(currentsensor_name)+"/temperature", str(temp), qos=0, retain=False)
                    #    mqttc.publish(mqtt_topic_prefix+"/"+str(currentsensor_name)+"/humidity", str(hum), qos=0, retain=False)
                    #    mqttc.publish(mqtt_topic_prefix+"/"+str(currentsensor_name)+"/battery", str(batterystate), qos=0, retain=False)
                    #    mqttc.publish(mqtt_topic_prefix+"/"+str(currentsensor_name)+"/lastUpdate", strftime("%Y-%m-%d %H:%M:%S", localtime()), qos=0, retain=False)
                    #    mqttc.publish(mqtt_topic_prefix+"/"+str(currentsensor_name)+"/availability", "available", qos=0, retain=False)
                    #    
                    #    lacrosse_json = "{\"temperature\":" + str(temp) + ", \"humidity\":" + str(hum) + ", \"battery\":\"" + str(batterystate) + "\"}"
                    #    mqttc.publish(mqtt_topic_prefix+"/"+str(currentsensor_name)+"/json", lacrosse_json, qos=0, retain=False)
                    #    
                    #    tmptext = str(temp) + "° " + str(hum) + "%"
                    #    mqttc.publish(mqtt_topic_prefix+"/"+str(currentsensor_name)+"/TempHumText", tmptext, qos=0, retain=False)
                    #    
                    #    if verbosemode:
                    #        print("MQTT published")
                    #
                    #    try:
                    #        touch("/tmp/jeelink2mqtt_running")
                    #    except:
                    #        # guat dann ned...
                    #        pass
                    #
                    #else:
                    #    if verbosemode:
                    #        if currentsensor_name is None: 
                    #            print("MQTT published")
                    #        else:
                    #            print("MQTT publishing surpressed (interval not expired)")
                    #
                    #
                    #if verbosemode:
                    #    print("\n")
                    
                else:
                    if verbosemode: print("ignored invalid sized data")
                    pass
        
        
        # publish on MQTT on set interval
        publishNow = False
        if (int(time.time()) - lastPublishTime) > int(config['sensors'].get('publish_interval')):
            if lastPublishTime == 0:
                lastPublishTime = int(time.time())
            else:
                publishNow = True
                lastPublishTime = int(time.time())
                
                #for sensor in 
                #sensors_lastReceivedTime[str(addr)]
            
        # store to InfluxDB on set interval
        storeNow = False
        if (int(time.time()) - lastStoreTime) > int(config['sensors'].get('store_interval')):
            if lastStoreTime == 0:
                lastStoreTime = int(time.time())
            else:
                storeNow = True
                lastStoreTime = int(time.time())
        
        if publishNow or storeNow:
            #print("available sensor data: ", sensors_lastUpdate)
            for id in sensors_lastUpdate:
            
                if (time.time() - sensors_lastUpdate[id]) < sensordata_maxage:
                    s_name = sensors_id_to_name.get(id, None)
                    if verbosemode: print("current data available for:", id, s_name)
                    
                    sensorDataComplete = True
                    
                    sum_temp=0
                    for val in sensors_lastValues_temp[id]:
                        if val is None:
                            sensorDataComplete = False
                        else:
                            sum_temp = sum_temp + val
                            
                    sum_hum=0
                    for val in sensors_lastValues_hum[id]:
                        if val is None:
                            sensorDataComplete = False
                        else:
                            sum_hum = sum_hum + val
                    
                    if sensorDataComplete:
                        s_currAvgTemp = round(sum_temp / len(sensors_lastValues_temp[id]), 1)
                        s_currAvgHum = int(sum_hum / len(sensors_lastValues_hum[id]))
                        
                        # calc dewpoint
                        if config['sensors'].getboolean('calculate_dewpoint', False):
                            s_currDewpoint = round(dewpoint(s_currAvgTemp, s_currAvgHum), 1)
                        
                        # calc absolute humidity
                        if config['sensors'].getboolean('calculate_absolute_humidity', False):
                            s_currAbsHum = round(absoluteHumidity(s_currAvgHum, s_currAvgTemp), 2)
                        
                        sensors_lastAvgValue_temp[id] = s_currAvgTemp
                        sensors_lastAvgValue_hum[id] = s_currAvgHum
                        
                        if verbosemode: print("s_currAvgTemp =", s_currAvgTemp, "s_currAvgHum =", s_currAvgHum)
                    else:
                        if verbosemode: print("s_currAvgTemp/s_currAvgHum: not yet enough readings available")
                    
                    if sensorDataComplete:
                        
                        # as Home Assistant MQTT binary sensor can only work with 2 states (unless using value templates):
                        #   -> removed "NEW" state string from /battery topic and added /batteryNew topic
                        if sensors_batteryState.get(id,None) == 2:
                            s_battNew = True
                            s_battState = "OK"
                        elif sensors_batteryState.get(id, None) == 1:
                            s_battNew = False
                            s_battState = "LOW"
                        elif sensors_batteryState.get(id, None) == 0:
                            s_battNew = False
                            s_battState = "OK"
                        
                        if s_battNew:
                            s_battNew_str = "YES"
                        else:
                            s_battNew_str = "NO"
                        
                        if s_name is not None:
                            s_domIdx = sensors_yaml[s_name].get('DomoticzIdx', None)
                            s_topic_temp = sensors_yaml[s_name].get('Topic_Temp', None)
                            s_topic_hum = sensors_yaml[s_name].get('Topic_Hum', None)
                            s_topic_dew = sensors_yaml[s_name].get('Topic_Dew', None)
                            s_topic_absHum = sensors_yaml[s_name].get('Topic_AbsHum', None)
                            s_influxInstance = sensors_yaml[s_name].get('InfluxDB_Instance', None)
                            s_isOutsideTempSensor = sensors_yaml[s_name].get('isOutsideTempSensor', None)
                            
                            if s_domIdx is not None and publishNow:
                                domoticz_json = "{\"idx\":" + str(s_domIdx) + ",\"nvalue\":0,\"svalue\":\"" + str(s_currAvgTemp) + ";" + str(s_currAvgHum) + ";1\"}"
                                if verbosemode:
                                    print("Domoticz JSON:", domoticz_json)
                                mqttc.publish(mqtt_topic_domoticz_in, domoticz_json, qos=0, retain=False)
                                
                            if s_topic_temp is not None and len(s_topic_temp)>5 and publishNow:
                                if verbosemode: print("publishing temp on ", s_topic_temp)
                                mqttc.publish(s_topic_temp, str(s_currAvgTemp), qos=0, retain=False)
                                
                            if s_topic_dew is not None and len(s_topic_dew)>5 and publishNow and config['sensors'].getboolean('calculate_dewpoint', False): 
                                if verbosemode: print("publishing dewpoint on ", s_topic_dew)
                                mqttc.publish(s_topic_dew, str(s_currDewpoint), qos=0, retain=False)
                            
                            if s_topic_absHum is not None and len(s_topic_absHum)>5 and publishNow and config['sensors'].getboolean('calculate_absolute_humidity', False):
                                if verbosemode: print("publishing absolute humidty on ", s_topic_absHum)
                                mqttc.publish(s_topic_absHum, str(s_currAbsHum), qos=0, retain=False)                            
                                
                            if s_topic_hum is not None and len(s_topic_hum)>5 and publishNow:
                                if verbosemode: print("publishing hum on ", s_topic_temp)
                                mqttc.publish(s_topic_hum, str(s_currAvgHum), qos=0, retain=False)
                            
                            if publishNow:
                                mqttc.publish(mqtt_topic_prefix+"/"+ s_name +"/temperature", str(s_currAvgTemp), qos=0, retain=False)
                                mqttc.publish(mqtt_topic_prefix+"/"+ s_name +"/humidity", str(s_currAvgHum), qos=0, retain=False)
                                
                                if config['sensors'].getboolean('calculate_dewpoint', False):
                                    mqttc.publish(mqtt_topic_prefix+"/"+ s_name +"/dewpoint", str(s_currDewpoint), qos=0, retain=False)
                                if config['sensors'].getboolean('calculate_absolute_humidity', False):
                                    mqttc.publish(mqtt_topic_prefix+"/"+ s_name +"/absoluteHumidity", str(s_currAbsHum), qos=0, retain=False)
                                
                                mqttc.publish(mqtt_topic_prefix+"/"+ s_name +"/battery", s_battState, qos=0, retain=False)
                                mqttc.publish(mqtt_topic_prefix+"/"+ s_name +"/batteryNew", s_battNew_str, qos=0, retain=False)
                                mqttc.publish(mqtt_topic_prefix+"/"+ s_name +"/availability", "available", qos=0, retain=False)
                                mqttc.publish(mqtt_topic_prefix+"/"+ s_name +"/lastUpdate", strftime("%Y-%m-%d %H:%M:%S", localtime()), qos=0, retain=False)
                                
                                # JSON output
                                lacrosse_json = "{\"temperature\":" + str(s_currAvgTemp) \
                                    + ", \"humidity\":" + str(s_currAvgHum) \
                                    + ", \"battery\":\"" + str(s_battState) + "\""
                                    
                                if config['sensors'].getboolean('calculate_dewpoint', False):
                                    lacrosse_json = lacrosse_json + ", \"dewpoint\":" + str(s_currDewpoint)
                                if config['sensors'].getboolean('calculate_absolute_humidity', False):
                                    lacrosse_json = lacrosse_json + ", \"absoluteHumidity\":" + str(s_currAbsHum)
                                    
                                lacrosse_json = lacrosse_json + "}"
                                mqttc.publish(mqtt_topic_prefix+"/"+ s_name +"/json", lacrosse_json, qos=0, retain=False)
                                
                                tmptext = str(s_currAvgTemp) + "° " + str(s_currAvgHum) + "%"
                                mqttc.publish(mqtt_topic_prefix+"/"+ s_name +"/TempHumText", tmptext, qos=0, retain=False)
                                
                            if s_influxInstance is not None and storeNow:
                                ### write to InfluxDB here
                                
                                if s_influxInstance in influxdb_yaml:
                                    influx_measurement = influxdb_yaml[s_influxInstance].get('measurement', None)
                                
                                    t_utc = datetime.utcnow()
                                    t_str = t_utc.isoformat() + 'Z'
                                    
                                    if influx_measurement is not None:
                                        influx_fieldnames = influxdb_yaml[s_influxInstance].get('fieldnames', None)
                                        if influx_fieldnames == None:
                                            influx_fieldname_temperature = influx_default_fieldname_temperature
                                            influx_fieldname_humidity = influx_default_fieldname_humidity
                                            influx_fieldname_dewpoint = influx_default_fieldname_dewpoint
                                            influx_fieldname_abshum = influx_default_fieldname_abshum
                                        else:
                                            if influxdb_yaml[s_influxInstance]['fieldnames'].get('temperature', None) != None:
                                                influx_fieldname_temperature = influxdb_yaml[s_influxInstance]['fieldnames'].get('temperature')
                                            else:
                                                influx_fieldname_temperature = influx_default_fieldname_temperature
                                            
                                            if influxdb_yaml[s_influxInstance]['fieldnames'].get('humidity', None) != None:
                                                influx_fieldname_humidity = influxdb_yaml[s_influxInstance]['fieldnames'].get('humidity')
                                            else:
                                                influx_fieldname_humidity = influx_default_fieldname_humidity
                                                
                                            if influxdb_yaml[s_influxInstance]['fieldnames'].get('dewpoint', None) != None:
                                                influx_fieldname_dewpoint = influxdb_yaml[s_influxInstance]['fieldnames'].get('dewpoint')
                                            else:
                                                influx_fieldname_dewpoint = influx_default_fieldname_dewpoint
                                                
                                            if influxdb_yaml[s_influxInstance]['fieldnames'].get('abshum', None) != None:
                                                influx_fieldname_abshum = influxdb_yaml[s_influxInstance]['fieldnames'].get('abshum')
                                            else:
                                                influx_fieldname_abshum = influx_default_fieldname_abshum
                                                
                                        influx_datatypes = influxdb_yaml[s_influxInstance].get('datatypes', None)
                                        if influx_datatypes == None:
                                            influx_datatype_temperature = influx_default_datatype_temperature
                                            influx_datatype_humidity = influx_default_datatype_humidity
                                        else:
                                            if influxdb_yaml[s_influxInstance]['datatypes'].get('temperature', None) != None:
                                                tmpdt = influxdb_yaml[s_influxInstance]['datatypes'].get('temperature')
                                                if tmpdt == 'float' or tmpdt == 'int':
                                                    influx_datatype_temperature = tmpdt
                                                else:
                                                    influx_datatype_temperature = influx_default_datatype_temperature
                                            else:
                                                influx_datatype_temperature = influx_default_datatype_temperature
                                            
                                            if influxdb_yaml[s_influxInstance]['datatypes'].get('humidity', None) != None:
                                                tmpdt = influxdb_yaml[s_influxInstance]['datatypes'].get('humidity')
                                                if tmpdt == 'float' or tmpdt == 'int':
                                                    influx_datatype_humidity = tmpdt
                                                else:
                                                    influx_datatype_humidity = influx_default_datatype_humidity
                                            else:
                                                influx_datatype_humidity = influx_default_datatype_humidity
                                                
                                            if influxdb_yaml[s_influxInstance]['datatypes'].get('dewpoint', None) != None:
                                                tmpdt = influxdb_yaml[s_influxInstance]['datatypes'].get('dewpoint')
                                                if tmpdt == 'float' or tmpdt == 'int':
                                                    influx_datatype_dewpoint = tmpdt
                                                else:
                                                    influx_datatype_dewpoint = influx_default_datatype_dewpoint
                                            else:
                                                influx_datatype_dewpoint = influx_default_datatype_dewpoint
                                                
                                            if influxdb_yaml[s_influxInstance]['datatypes'].get('abshum', None) != None:
                                                tmpdt = influxdb_yaml[s_influxInstance]['datatypes'].get('abshum')
                                                if tmpdt == 'float' or tmpdt == 'int':
                                                    influx_datatype_abshum = tmpdt
                                                else:
                                                    influx_datatype_abshum = influx_default_datatype_abshum
                                            else:
                                                influx_datatype_abshum = influx_default_datatype_abshum
                                                
                                        if influx_datatype_temperature == 'int':
                                            influx_value_temp = int(s_currAvgTemp)
                                        else:
                                            influx_value_temp = float(s_currAvgTemp)
                                        
                                        if influx_datatype_humidity == 'int':
                                            influx_value_hum = int(s_currAvgHum)
                                        else:
                                            influx_value_hum = float(s_currAvgHum)
                                        
                                        if config['sensors'].getboolean('calculate_dewpoint', False) and config['sensors'].getboolean('write_dewpoint_to_influxdb', False):
                                            if influx_datatype_dewpoint == 'int':
                                                influx_value_dewpoint = int(s_currDewpoint)
                                            else:
                                                influx_value_dewpoint = float(s_currDewpoint)
                                        
                                        if config['sensors'].getboolean('calculate_absolute_humidity', False) and config['sensors'].getboolean('write_abshum_to_influxdb', False):
                                            if influx_datatype_abshum == 'int':
                                                influx_value_abshum = int(s_currAbsHum)
                                            else:
                                                influx_value_abshum = float(s_currAbsHum)
                                        
                                        influx_json = [
                                            {
                                                'measurement': influx_measurement,
                                                'tags': {
                                                    'sensor': s_name
                                                },
                                                'time': t_str,
                                                'fields': {
                                                    influx_fieldname_temperature: influx_value_temp,
                                                    influx_fieldname_humidity: influx_value_hum
                                                }
                                            }
                                        ]
                                        
                                        if config['sensors'].getboolean('calculate_dewpoint', False) and config['sensors'].getboolean('write_dewpoint_to_influxdb', False):
                                            influx_json[0]["fields"][influx_fieldname_dewpoint] = influx_value_dewpoint
                                            
                                        if config['sensors'].getboolean('calculate_absolute_humidity', False) and config['sensors'].getboolean('write_abshum_to_influxdb', False):
                                            influx_json[0]["fields"][influx_fieldname_abshum] = influx_value_abshum
                                        
                                        
                                        try:
                                            if verbosemode: 
                                                print("write to InfluxDB...")
                                                print(influx_json)
                                            influxclient[s_influxInstance].write_points(influx_json)
                                            if verbosemode: print("DONE!")
                                        except Exception as e:
                                            print("Error writing to InfluxDB")
                                            print(influx_json)
                                            print(e)
                                else: 
                                    if verbosemode:
                                        print("Error: invalid InfluxDB instance '" + s_influxInstance + "' configured for sensor '" + s_name + "'")
                                
                            
                        else: # this is an unknown sensor
                            if publishNow:
                                if s_battNew:
                                    if config['mqtt'].getboolean('publish_unknown_new_sensors'):
                                        mqttc.publish(mqtt_topic_prefix+"/NewUnknownSensor/"+str(id)+"/temperature", str(s_currAvgTemp), qos=0, retain=False)
                                        mqttc.publish(mqtt_topic_prefix+"/NewUnknownSensor/"+str(id)+"/humidity", str(s_currAvgHum), qos=0, retain=False)
                                        mqttc.publish(mqtt_topic_prefix+"/NewUnknownSensor/"+str(id)+"/batteryNew", s_battNew_str, qos=0, retain=False)
                                else:
                                    if config['mqtt'].getboolean('publish_unknown_sensors'):
                                        mqttc.publish(mqtt_topic_prefix+"/UnknownSensor/"+str(id)+"/temperature", str(s_currAvgTemp), qos=0, retain=False)
                                        mqttc.publish(mqtt_topic_prefix+"/UnknownSensor/"+str(id)+"/humidity", str(s_currAvgHum), qos=0, retain=False)
                                        mqttc.publish(mqtt_topic_prefix+"/UnknownSensor/"+str(id)+"/battery", s_battState, qos=0, retain=False)
                    if verbosemode: print()
        
        # outside sensors
        if (int(time.time()) - outSens_lastRun) > int(config['sensors'].get('publish_interval_outside', 60)):
            outSens_lastRun = int(time.time())
            
            sum_out_sensors_temp = 0
            sum_out_sensors_temp_min = 100
            sum_out_sensors_temp_max = -50
            sum_out_sensors_hum = 0
            sum_out_sensors_hum_min = 100
            sum_out_sensors_hum_max = -50
            count_used_out_sensors = 0
            
            # "declare" variables with invalid high values - will be overwritten later
            out_temp_publishvalue = 200
            out_hum_publishvalue = 200
            out_dewpoint = 200
            out_abshum = 200
            
            # median
            if(config['sensors'].getboolean('outside_sensors_use_median')):
                out_sensors_temp_median_values = []
                out_sensors_hum_median_values = []
            
            for id in sensors_outside_sensors:
                lupd = sensors_lastUpdate.get(id, None)
                tdiff = 0
                if lupd is not None:
                    tdiff = int(time.time()) - lupd
                    
                if lupd is not None and (tdiff < sensordata_maxage):
                    tmpval_t = sensors_lastAvgValue_temp.get(id, None)
                    tmpval_h = sensors_lastAvgValue_hum.get(id, None)
                    if tmpval_t is not None and tmpval_h is not None:
                        sum_out_sensors_temp = sum_out_sensors_temp + tmpval_t
                        sum_out_sensors_hum = sum_out_sensors_hum + tmpval_h
                        
                        if tmpval_t < sum_out_sensors_temp_min:
                            sum_out_sensors_temp_min = tmpval_t
                        if tmpval_t < sum_out_sensors_hum_min:
                            sum_out_sensors_hum_min = tmpval_h
                        
                        if tmpval_t > sum_out_sensors_temp_max:
                            sum_out_sensors_temp_max = tmpval_t
                        if tmpval_t > sum_out_sensors_hum_max:
                            sum_out_sensors_hum_max = tmpval_h                        
                        
                        # median
                        if(config['sensors'].getboolean('outside_sensors_use_median')):
                            out_sensors_temp_median_values.append(tmpval_t)
                            out_sensors_hum_median_values.append(tmpval_h)
                        
                        count_used_out_sensors += 1
            
            lacrosse_json = None
            
            if count_used_out_sensors > 0:
                out_temp_avg = round((sum_out_sensors_temp / count_used_out_sensors), 1)
                out_hum_avg = int(round((sum_out_sensors_hum / count_used_out_sensors), 0))
                                
                if(config['sensors'].getboolean('outside_sensors_use_median')):
                    # median
                    out_temp_median = round(statistics.median(out_sensors_temp_median_values), 1)
                    out_hum_median = int(round(statistics.median(out_sensors_hum_median_values), 0))
                    out_temp_publishvalue = out_temp_median
                    out_hum_publishvalue = out_hum_median
                    
                else:
                    out_temp_publishvalue = out_temp_avg
                    out_hum_publishvalue = out_hum_avg
                    
                # calc dewpoint
                if config['sensors'].getboolean('calculate_dewpoint', False):
                    out_dewpoint = round(dewpoint(out_temp_avg, out_hum_avg), 1)
                
                # calc absolute humidity
                if config['sensors'].getboolean('calculate_absolute_humidity', False):
                    out_abshum = round(absoluteHumidity(out_hum_avg, out_temp_avg), 2)
                        
                
                mqttc.publish(mqtt_topic_atemp, str(out_temp_publishvalue), qos=0, retain=True)
                mqttc.publish(mqtt_topic_ahum, str(out_hum_publishvalue), qos=0, retain=True)
                mqttc.publish(topic_prefix_outside_temphum + '/temperature', str(out_temp_publishvalue), qos=0, retain=True)
                mqttc.publish(topic_prefix_outside_temphum + '/humidity', str(out_hum_publishvalue), qos=0, retain=True)
                
                if config['sensors'].getboolean('calculate_dewpoint', False):
                    mqttc.publish(topic_prefix_outside_temphum + '/dewpoint', str(out_dewpoint), qos=0, retain=True)
                    
                if config['sensors'].getboolean('calculate_absolute_humidity', False):
                    mqttc.publish(topic_prefix_outside_temphum + '/absoluteHumidity', str(out_abshum), qos=0, retain=True)
                
                mqttc.publish(topic_prefix_outside_temphum + '/temp_average', str(out_temp_avg), qos=0, retain=True)
                mqttc.publish(topic_prefix_outside_temphum + '/hum_average', str(out_hum_avg), qos=0, retain=True)
                
                if(config['sensors'].getboolean('outside_sensors_use_median')):
                    mqttc.publish(topic_prefix_outside_temphum + '/temp_median', str(out_temp_median), qos=0, retain=True)
                    mqttc.publish(topic_prefix_outside_temphum + '/hum_median', str(out_hum_median), qos=0, retain=True)
                    
                mqttc.publish(topic_prefix_outside_temphum + '/lastUpdate', strftime("%Y-%m-%d %H:%M:%S", localtime()), qos=0, retain=True)
                                                
                tmptext = str(out_temp_publishvalue) + "° " + str(out_hum_publishvalue) + "%"
                mqttc.publish(topic_prefix_outside_temphum + "/TempHumText", tmptext, qos=0, retain=False)
            
                lacrosse_json = "{\"temperature\":" + str(out_temp_publishvalue) + \
                                ", \"humidity\":" + str(out_hum_publishvalue) + "\"" \
                                ", \"usedSensors\":" + str(count_used_out_sensors)
            
            min = 100
            max = 100
            if count_used_out_sensors > 1:
                mqttc.publish(topic_prefix_outside_temphum + '/usedSensors', str(count_used_out_sensors), qos=0, retain=True)
                
                lacrosse_json = lacrosse_json + \
                                ", \"temp_average\":" + str(out_temp_avg) + \
                                ", \"hum_average\":" + str(out_hum_avg) + \
                                ", \"temp_median\":" + str(out_temp_median) + \
                                ", \"hum_median\":" + str(out_temp_median)
                
                if sum_out_sensors_temp_min < 100:
                    mqttc.publish(topic_prefix_outside_temphum + '/temp_min', str(sum_out_sensors_temp_min), qos=0, retain=False)
                    lacrosse_json = lacrosse_json + ", \"temp_min\":" + str(sum_out_sensors_temp_min)
                if sum_out_sensors_temp_max > -50:
                    mqttc.publish(topic_prefix_outside_temphum + '/temp_max', str(sum_out_sensors_temp_max), qos=0, retain=False)
                    lacrosse_json = lacrosse_json + ", \"temp_max\":" + str(sum_out_sensors_temp_max)
                if sum_out_sensors_hum_min < 100:
                    mqttc.publish(topic_prefix_outside_temphum + '/hum_min', str(sum_out_sensors_hum_min), qos=0, retain=False)
                    lacrosse_json = lacrosse_json + ", \"hum_min\":" + str(sum_out_sensors_hum_min)
                if sum_out_sensors_hum_max > -50:
                    mqttc.publish(topic_prefix_outside_temphum + '/hum_max', str(sum_out_sensors_hum_max), qos=0, retain=False)
                    lacrosse_json = lacrosse_json + ", \"hum_max\":" + str(sum_out_sensors_hum_max)
                
                
            if lacrosse_json is not None:
                if config['sensors'].getboolean('calculate_dewpoint', False):
                    lacrosse_json = lacrosse_json + ", \"dewpoint\":" + str(out_dewpoint)
                if config['sensors'].getboolean('calculate_absolute_humidity', False):
                    lacrosse_json = lacrosse_json + ", \"absoluteHumidity\":" + str(out_abshum)
                    
                lacrosse_json = lacrosse_json + "}"

                mqttc.publish(topic_prefix_outside_temphum + "/json", lacrosse_json, qos=0, retain=False)
                
                
                
            # combined outside sensors to InfluxDB
            
            o_hasValidData = False
            if out_temp_publishvalue < 200 and out_hum_publishvalue < 200:
                o_hasValidData = True
            
            o_storeNow = False
            if (int(time.time()) - outSens_store_lastRun) > int(config['sensors'].get('store_interval_outside', 300)):
                if outSens_store_lastRun == 0:
                    outSens_store_lastRun = int(time.time())
                else:
                    o_storeNow = True
                    outSens_store_lastRun = int(time.time())
            
            if o_storeNow and o_hasValidData:
                outSens_store_lastRun = int(time.time())
                o_influxInstance = config['sensors'].get('influxdb_instance_combined_outside_sensors')
                o_influxSensorName = config['sensors'].get('influxdb_sensorname_combined_outside_sensors', None)
                if o_influxInstance in influxdb_yaml and o_influxSensorName is not None:
                    influx_measurement = influxdb_yaml[o_influxInstance].get('measurement', None)
                    
                    t_utc = datetime.utcnow()
                    t_str = t_utc.isoformat() + 'Z'
                    
                    if influx_measurement is not None:
                        influx_fieldnames = influxdb_yaml[o_influxInstance].get('fieldnames', None)
                        if influx_fieldnames == None:
                            influx_fieldname_temperature = influx_default_fieldname_temperature
                            influx_fieldname_humidity = influx_default_fieldname_humidity
                            influx_fieldname_dewpoint = influx_default_fieldname_dewpoint
                            influx_fieldname_abshum = influx_default_fieldname_abshum
                        else:
                            if influxdb_yaml[o_influxInstance]['fieldnames'].get('temperature', None) != None:
                                influx_fieldname_temperature = influxdb_yaml[o_influxInstance]['fieldnames'].get('temperature')
                            else:
                                influx_fieldname_temperature = influx_default_fieldname_temperature
                            
                            if influxdb_yaml[o_influxInstance]['fieldnames'].get('humidity', None) != None:
                                influx_fieldname_humidity = influxdb_yaml[o_influxInstance]['fieldnames'].get('humidity')
                            else:
                                influx_fieldname_humidity = influx_default_fieldname_humidity
                                
                            if influxdb_yaml[o_influxInstance]['fieldnames'].get('dewpoint', None) != None:
                                influx_fieldname_dewpoint = influxdb_yaml[o_influxInstance]['fieldnames'].get('dewpoint')
                            else:
                                influx_fieldname_dewpoint = influx_default_fieldname_dewpoint
                                
                            if influxdb_yaml[o_influxInstance]['fieldnames'].get('abshum', None) != None:
                                influx_fieldname_abshum = influxdb_yaml[o_influxInstance]['fieldnames'].get('abshum')
                            else:
                                influx_fieldname_abshum = influx_default_fieldname_abshum
                                
                        influx_datatypes = influxdb_yaml[o_influxInstance].get('datatypes', None)
                        if influx_datatypes == None:
                            influx_datatype_temperature = influx_default_datatype_temperature
                            influx_datatype_humidity = influx_default_datatype_humidity
                        else:
                            if influxdb_yaml[o_influxInstance]['datatypes'].get('temperature', None) != None:
                                tmpdt = influxdb_yaml[o_influxInstance]['datatypes'].get('temperature')
                                if tmpdt == 'float' or tmpdt == 'int':
                                    influx_datatype_temperature = tmpdt
                                else:
                                    influx_datatype_temperature = influx_default_datatype_temperature
                            else:
                                influx_datatype_temperature = influx_default_datatype_temperature
                            
                            if influxdb_yaml[o_influxInstance]['datatypes'].get('humidity', None) != None:
                                tmpdt = influxdb_yaml[o_influxInstance]['datatypes'].get('humidity')
                                if tmpdt == 'float' or tmpdt == 'int':
                                    influx_datatype_humidity = tmpdt
                                else:
                                    influx_datatype_humidity = influx_default_datatype_humidity
                            else:
                                influx_datatype_humidity = influx_default_datatype_humidity
                                
                            if influxdb_yaml[o_influxInstance]['datatypes'].get('dewpoint', None) != None:
                                tmpdt = influxdb_yaml[o_influxInstance]['datatypes'].get('dewpoint')
                                if tmpdt == 'float' or tmpdt == 'int':
                                    influx_datatype_dewpoint = tmpdt
                                else:
                                    influx_datatype_dewpoint = influx_default_datatype_dewpoint
                            else:
                                influx_datatype_dewpoint = influx_default_datatype_dewpoint
                                
                            if influxdb_yaml[o_influxInstance]['datatypes'].get('abshum', None) != None:
                                tmpdt = influxdb_yaml[o_influxInstance]['datatypes'].get('abshum')
                                if tmpdt == 'float' or tmpdt == 'int':
                                    influx_datatype_abshum = tmpdt
                                else:
                                    influx_datatype_abshum = influx_default_datatype_abshum
                            else:
                                influx_datatype_abshum = influx_default_datatype_abshum
                                
                        if influx_datatype_temperature == 'int':
                            influx_value_temp = int(out_temp_publishvalue)
                        else:
                            influx_value_temp = float(out_temp_publishvalue)
                        
                        if influx_datatype_humidity == 'int':
                            influx_value_hum = int(out_hum_publishvalue)
                        else:
                            influx_value_hum = float(out_hum_publishvalue)
                        
                        if config['sensors'].getboolean('calculate_dewpoint', False) and config['sensors'].getboolean('write_dewpoint_to_influxdb', False):
                            if influx_datatype_dewpoint == 'int':
                                influx_value_dewpoint = int(out_dewpoint)
                            else:
                                influx_value_dewpoint = float(out_dewpoint)
                        
                        if config['sensors'].getboolean('calculate_absolute_humidity', False) and config['sensors'].getboolean('write_abshum_to_influxdb', False):
                            if influx_datatype_abshum == 'int':
                                influx_value_abshum = int(out_abshum)
                            else:
                                influx_value_abshum = float(out_abshum)
                        
                        influx_json = [
                            {
                                'measurement': influx_measurement,
                                'tags': {
                                    'sensor': o_influxSensorName
                                },
                                'time': t_str,
                                'fields': {
                                    influx_fieldname_temperature: influx_value_temp,
                                    influx_fieldname_humidity: influx_value_hum
                                }
                            }
                        ]
                        
                        if config['sensors'].getboolean('calculate_dewpoint', False) and config['sensors'].getboolean('write_dewpoint_to_influxdb', False) and out_dewpoint < 200:
                            influx_json[0]["fields"][influx_fieldname_dewpoint] = influx_value_dewpoint
                            
                        if config['sensors'].getboolean('calculate_absolute_humidity', False) and config['sensors'].getboolean('write_abshum_to_influxdb', False) and out_abshum < 200:
                            influx_json[0]["fields"][influx_fieldname_abshum] = influx_value_abshum
                        
                        
                        try:
                            if verbosemode: 
                                print("write to InfluxDB...")
                                print(influx_json)
                            influxclient[o_influxInstance].write_points(influx_json)
                            if verbosemode: print("DONE!")
                        except Exception as e:
                            print("Error writing to InfluxDB")
                            print(influx_json)
                            print(e)
                
        
        # handle outdated sensor values once a minute
        if (int(time.time()) - checkLastUpdateInterval_lastRun) > checkLastUpdateInterval:
        
            # exit program if nothing has been received from JeeLink for 5 min - will be restarted by systemd
            now = int(time.time())
            if (now - serialReceivedLastTime) > serialReceived_maxAge:
                print("Nothing received from JeeLink for " + str(now - serialReceivedLastTime) + "s - there is something wrong. Exiting program so that it will be restarted by systemd.")
                quit()
                
            checkLastUpdateInterval_lastRun = int(time.time())
            #print("check lastUpdate")
            for key in sensors_yaml:
                #print(key, '->', sensors_yaml[key])
                #print("Sensor name:", key)
                sensorId = sensors_yaml[key].get('LaCrosseID', None)
                if sensorId is not None:
                    lupd = sensors_lastUpdate.get(sensorId, None)
                    tdiff = 0
                    if lupd is not None:
                        tdiff = int(time.time()) - lupd
                        
                    if lupd is None or (tdiff > sensordata_maxage):
                        
                        mqttc.publish(mqtt_topic_prefix+"/"+ key +"/availability", "unavailable", qos=0, retain=False)
                        notifystr = "received no data from sensor '" + key + "' with ID " + str(sensorId) + " for " + str(tdiff) + "s"
                        mqttc.publish(mqtt_topic_prefix+"/" + mqtt_subtopic_notify, notifystr, qos=0, retain=False)
            

except KeyboardInterrupt:
    print('\n')
    exit()