From: Ralf Jung <post@ralfj.de>
Date: Thu, 24 Oct 2013 17:45:26 +0000 (+0200)
Subject: Merge branch 'master' of ralfj.de:saartuer
X-Git-Url: https://git.ralfj.de/saartuer.git/commitdiff_plain/344d58d13b3ec1d7fb26d13de114d6e8afbe3218?hp=eb3e24210b024a3393e629f133bef7c66eddceae

Merge branch 'master' of ralfj.de:saartuer

Conflicts:
	statemachine.py
---

diff --git a/statemachine.py b/statemachine.py
index c73bea0..a3c4aff 100644
--- a/statemachine.py
+++ b/statemachine.py
@@ -1,6 +1,6 @@
 from libtuer import ThreadFunction, logger, fire_and_forget
 from actor import Actor
-import os, random, time
+import os, random, time, threading
 
 # logger.{debug,info,warning,error,critical}
 
@@ -22,6 +22,10 @@ OPEN_REPEAT_NUMBER = 3
 CLOSE_REPEAT_TIMEOUT = 7
 CLOSE_REPEAT_NUMBER = 3
 
+# StateFallback constants
+FALLBACK_BLINK_SPEED = 0.5 # seconds
+FALLBACK_LEAVE_DELAY_LOCK = 5 # seconds
+
 # StateAboutToOpen constants
 ABOUTOPEN_NERVLIST = [(5, lambda : play_sound("flipswitch")), (5, lambda:play_sound("flipswitch")), (0, lambda:logger.warning("Space open but switch not flipped for 10 seconds")),\
 	(10, lambda:play_sound("flipswitch")), (10, lambda:play_sound("flipswitch")), (0, lambda:logger.error("Space open but switch not flipped for 30 seconds")),\
@@ -133,9 +137,15 @@ class StateMachine():
 			return super().handle_pins_event()
 	
 	class StateStart(State):
+		def __init__(self, sm, nervlist = None, fallback=False):
+			super().__init__(self, sm, nervlist)
+			self.fallback = fallback
 		def handle_pins_event(self):
 			pins = self.pins()
 			if not (pins.door_locked is None or pins.door_closed is None or pins.space_active is None or pins.bell_ringing is None):
+				if self.fallback:
+					logger.info("Going to StateFallback because running in fallback mode")
+					return StateMachine.StateFallback(self.state_machine)
 				if pins.door_locked:
 					logger.info("All sensors got a value, switching to a proper state: Space is closed")
 					return StateMachine.StateZu(self.state_machine)
@@ -144,6 +154,46 @@ class StateMachine():
 					return StateMachine.StateAboutToOpen(self.state_machine)
 			return super().handle_pins_event()
 	
+	class StateFallback(State):
+		def __init__(self, sm, nervlist = None):
+			super().__init__(self, sm, nervlist)
+			self._last_blink_time = time.time()
+			self._red_state = False
+		def handle_pins_event(self):
+			pins = self.pins()
+			# buzz if open and bell rang
+			if pins.space_active and pins.bell_ringing and not self.old_pins().bell_ringing:
+				logger.info("StateFallback: Space switch on and door bell rung => buzzing")
+				self.actor().act(Actor.CMD_BUZZ)
+			# set green LED according to space switch
+			if pins.space_active:
+				self.actor().act(Actor.CMD_GREEN_ON)
+			else:
+				self.actor().act(Actor.CMD_GREEN_OFF)
+			# primitive leaving procedure if space switch turned off
+			if not pins.space_active and self.old_pins().space_active:
+				def _close_after_time():
+					time.sleep(FALLBACK_LEAVE_DELAY_LOCK)
+					self.actor().act(Actor.CMD_LOCK)
+				t = threading.Thread(target=_close_after_time)
+				t.start()
+			# not calling superclass because we want to stay in fallback mode
+		def handle_wakeup_event(self):
+			# blink red LED
+			now = time.time()
+			if now - self._last_blink_time < FALLBACK_BLINK_SPEED:
+				if self._red_state:
+					self.actor().act(Actor.CMD_RED_OFF)
+					self._red_state = False
+				else:
+					self.actor().act(Actor.CMD_RED_ON)
+					self._red_state = True
+				self._last_blink_time = now
+		def handle_cmd_unlock_event(self,arg):
+			if arg is not None:
+				arg("298 Fallback Okay: Trying to unlock the door. The System is in fallback mode, success information is not available.")
+			self.actor().act(Actor.CMD_UNLOCK)
+	
 	class StateZu(AbstractLockedState):
 		def handle_cmd_unlock_event(self,callback):
 			return StateMachine.StateUnlocking(self.state_machine, callback)
@@ -255,10 +305,10 @@ class StateMachine():
 				return StateMachine.StateAuf(self.state_machine)
 			return super().handle_pins_event()
 	
-	def __init__(self, actor):
+	def __init__(self, actor, fallback = False):
 		self.actor = actor
 		self.callback = ThreadFunction(self._callback, name="StateMachine")
-		self.current_state = StateMachine.StateStart(self)
+		self.current_state = StateMachine.StateStart(self, fallback)
 		self.pins = None
 		self.old_pins = None
 	
diff --git a/tuerd b/tuerd
index ec51c94..92c4122 100755
--- a/tuerd
+++ b/tuerd
@@ -9,10 +9,18 @@ parser = argparse.ArgumentParser(description='Run a door')
 parser.add_argument("-d", "--debug",
 					action="store_true", dest="debug",
 					help="Don't send emails")
+parser.add_argument("-f", "--fallback",
+					action="store_true", dest="fallback",
+					help="Fallback mode for unfunctional hardware: Depend on less sensor input")
 args = parser.parse_args()
 if args.debug:
 	import libtuer
 	libtuer.mailAddress = []
+if args.fallback:
+	logger.info("Starting in fallback mode")
+else:
+	# to avoid exceptions or getting None
+	args.fallback = False
 
 # Not let's go!
 logger.info("Starting up...")
@@ -22,7 +30,7 @@ GPIO.setmode(GPIO.BOARD)
 
 # bring 'em all up
 the_actor = actor.Actor()
-the_machine = statemachine.StateMachine(the_actor)
+the_machine = statemachine.StateMachine(the_actor, args.fallback)
 the_socket = tysock.TySocket(the_machine)
 the_pins = pins.PinsWatcher(the_machine)
 the_waker = waker.Waker(the_machine)