Merge branch 'master' of ralfj.de:saartuer
authorRalf Jung <post@ralfj.de>
Thu, 24 Oct 2013 17:45:26 +0000 (19:45 +0200)
committerRalf Jung <post@ralfj.de>
Thu, 24 Oct 2013 17:45:26 +0000 (19:45 +0200)
Conflicts:
statemachine.py

statemachine.py
tuerd

index c73bea0321c0f42dd99350fc09f10e45e2c4e057..a3c4affb860ed23733d41fbef7f4868f22c9889e 100644 (file)
@@ -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 ec51c94ee15fb65645a4190820e584ed40e2051d..92c4122c2cf0678e8f0fc20f875a3bf6ae481e6b 100755 (executable)
--- 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)