[Brewpi]

- reset between at oven state changes
- PID: Y_max is 500

git-svn-id: http://moon:8086/svn/projects/HendiControl@235 fda53097-d464-4ada-af97-ba876c37ca34

Control/brewpi/controller.py

@@ -241,6 +241,7 @@ class Controller():
 			# -----------------------------------------
 			if ovenStateNext != self.ovenState:
 				self.log("{} -> {}".format(self.ovenState, ovenStateNext))
+				self.pid.reset()
 				if ovenStateNext == ovenStates.HEAT:
 					self.stirrer.setSpeed(self.stirrSpeedHeat)
 					self.stirrer.setDutyCycle(1.0)