- added stirrer and hendi

- refactored

brewpi.py

@@ -2,13 +2,13 @@ import asyncio
 from time import sleep
 import abc
 from ws.server.ws_server_multi_user import WsServerMultiUser
-from components import ATemperatureSensor
+from components import ATemperatureSensor, AHeater, AStirrer
 from components.sensor import TempSensorFactory
 from components.pid import TempController
 from components.plant import Pot, APlant
-from components.actor.heater import Heater, AHeater
+from components.actor import HeaterFactory
 from ws.message import MsgIo, MessageDispatcher
-from utils.value import Value, ChangedFloat, ChangedInteger
+from utils.value import ChangedFloat, ChangedInteger
 
 DT_CTRL = 0.1
 DT_PARAMS = 1.0
@@ -261,7 +261,7 @@ if __name__ == '__main__':
 		taskmgr.add(PotTask(pot, DT_CTRL, dispatcher.msgio_get("Pot")))
 
 		# Heater
-		heater = Heater()
+		heater = HeaterFactory.create("sim")
 		heater.set_on_changed("power_eff", ChangedFloat(pot.setPower, prec=0).set)
 		heater_task = HeaterTask(heater, DT_CTRL, dispatcher.msgio_get("Heater"))
 		taskmgr.add(heater_task)