actor.py

   1 from libtuer import ThreadFunction, logger
   2 import RPi.GPIO as GPIO
   3 import time
   4
   5 class Actor:
   6         CMD_BUZZ = 0
   7         CMD_UNLOCK = 1
   8         CMD_LOCK = 2
   9
  10         CMDs = {
  11                 CMD_UNLOCK:  ("unlock", 12, [(True, 0.3), (False, 0.1)]),
  12                 CMD_LOCK:  ("lock", 16, [(True, 0.3), (False, 0.1)]),
  13                 CMD_BUZZ: ("buzz", 22, [(True, 2.0), (False, 0.1)]),
  14         }
  15
  16         def __init__(self):
  17                 self.act = ThreadFunction(self._act, name="Actor")
  18                 for (name, pin, todo) in self.CMDs.values():
  19                         GPIO.setup(pin, GPIO.OUT)
  20
  21         def _act(self, cmd):
  22                 if cmd in self.CMDs:
  23                         (name, pin, todo) = self.CMDs[cmd]
  24                         logger.info("Actor: Running command %s" % name)
  25                         for (value, delay) in todo:
  26                                 if value is not None:
  27                                         logger.debug("Actor: Setting pin %d to %d" % (pin, value))
  28                                         GPIO.output(pin, value)
  29                                 time.sleep(delay)
  30                 else:
  31                         logger.critical("Actor: Got unknown command %d" % cmd)
  32
  33         def stop(self):
  34                 self.act.stop()