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}
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")),\
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):
- logger.info("All sensors got a value, switching to a proper state")
+ 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)
else:
+ logger.info("All sensors got a value, switching to a proper state: Space is (about to) open")
return StateMachine.StateAboutToOpen(self.state_machine)
return super().handle_pins_event()
- # without return because we want to stay in fallback mode
- 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)
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
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...")
+
# initialize GPIO stuff
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)