def run(self):
sensors = None
datalogger = None
try:
# initialise objects
sensors = Sensors(self.T_OFFSET,self.P_OFFSET,self.H_OFFSET)
datalogger = DataLogger(self.DATALOGFILE, self.DATALOGKEYS, self.DATALOGMAXFILESIZE)
self.scheduler = HeaterScheduler()
self.modemanager = ModeManager( scheduler=self.scheduler,
callbackfunc=self.modemanagercallbackfunc)
self.mqttclient = MqttClient(subscribelist=self.SUBSCRIBELIST)
self.heatercontroller = HeaterController()
# initialise state
self.modemanager.setMode(self.modemanager.AUTO)
# initial data
t_avg,p_avg,h_avg = sensors.getData()
# present ourselves
self.mqttclient.publish({topics.IOTHERMSTATUS:'Active'})
self.mqttclient.publish({topics.IOTHERMVERSION:__version__ +' '+ __status__})
self.mqttclient.publish({topics.MODE:self.modemanager.currentmode.name})
self.mqttclient.publish({topics.TARGETTEMPERATURE:self.modemanager.currentmode.targettemperature})
t = 0
while True:
t_,p,h = sensors.getData()
messages = self.mqttclient.getData()
# use temperature value from mqtt
if self.USE_OTHERTEMPERATURE and topics.OTHERTEMPERATURE in messages:
t = float( messages[topics.OTHERTEMPERATURE] )
if not self.USE_OTHERTEMPERATURE:
t = t_
# calculate averages
t_avg = (t_avg + t)/2
p_avg = (p_avg + p)/2
h_avg = (h_avg + h)/2
# calculate derivatives
d_t = (t - t_avg)/self.REFRESH_SECONDS
d_p = (p - p_avg)/self.REFRESH_SECONDS
d_h = (h - h_avg)/self.REFRESH_SECONDS
# process data from subscribed topics
self.processMessages( messages )
# prepare for publishing
messages = self.prepareMessages(t, p, h, d_t, d_p, d_h)
datalogger.log(messages)
self.mqttclient.publish(messages)
# update the heatercontroller with the current and target temperatures
#print('targettemperature = {}'.format(self.modemanager.currentmode.targettemperature))
self.heatercontroller.update(t,self.modemanager.currentmode.targettemperature)
sleep(self.REFRESH_SECONDS)
finally:
print('IOThermostat: Stopping IOThermostat..')
if datalogger:
datalogger.close()
if sensors:
sensors.close()
if self.scheduler:
self.scheduler.close()
if self.heatercontroller:
self.heatercontroller.close()
if self.mqttclient:
self.mqttclient.close()
