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alarm.py

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+import time
+import Adafruit_BBIO.GPIO as GPIO
+import Adafruit_BBIO.PWM as PWM
+
+class alarm:
+    _alarm_duration = 60 # in second
+    _alarm_pwm_perc = 50 # in percentage
+    _alarm_pwm_freq = 10000 # in hz
+    _alarm_led_freq = 2 # in hz
+    _config = {}
+    _pins_to_watch = {} # { pname: pin }
+    _window_closed = True
+
+    def __init__(self, config):
+        self._config = config
+
+        for pname,pconfig in self._config.items():
+            if "mode" in pconfig:
+                GPIO.setup(pconfig["pin"], pconfig["mode"])
+            if "event_to_detect" in pconfig:
+                GPIO.add_event_detect(pconfig["pin"], pconfig["event_to_detect"])
+                self._pins_to_watch[pname] = pconfig["pin"]
+
+    def trigger_alarm(self, pled, ppwm):
+        for i in range(0, self._alarm_duration):
+            PWM.start(self._config[ppwm]["pin"], self._alarm_pwm_perc, self._alarm_pwm_freq)
+            GPIO.output(self._config[pled]["pin"],GPIO.HIGH)
+            time.sleep(1/self._alarm_led_freq)
+            GPIO.output(self._config[pled]["pin"],GPIO.LOW)
+            time.sleep(1/self._alarm_led_freq)
+            PWM.stop(self._config[ppwm]["pin"])
+            GPIO.output(self._config[pled]["pin"],GPIO.HIGH)
+            time.sleep(1/self._alarm_led_freq)
+            GPIO.output(self._config[pled]["pin"],GPIO.LOW)
+            time.sleep(1/self._alarm_led_freq)
+
+if __name__ == "__main__":
+    my_config = {
+    "inPinIR": {"pin": "P9_12", "mode": GPIO.IN, "event_to_detect": GPIO.RISING},
+    "inPinPIR": {"pin": "P9_41", "mode": GPIO.IN, "event_to_detect": GPIO.RISING},
+    "inPinMAG": {"pin": "P8_7", "mode": GPIO.IN,  "event_to_detect": GPIO.BOTH},
+    "outPinROT": {"pin": "P9_27", "mode": GPIO.OUT},
+    "myPWMLAUT": {"pin":"P8_13"}
+    }
+    try:
+        print("Program start. Initializing with alarm config...")
+        my_alarm = alarm(config=my_config)
+        print("Pins to watch:")
+        print(my_alarm._pins_to_watch)
+        print("Initialization succeeded. Start in 2 seconds.")
+        time.sleep(2)
+        while True:
+            for pname,pin in my_alarm._pins_to_watch.items():
+                if GPIO.event_detected(pin):
+                    print("Motion detected from {}".format(pname))
+                    if pname == "inPinMAG": # Fenster
+                        if my_alarm._window_closed:
+                            print("Fenster geoeffnet...")
+                            my_alarm._window_closed = False
+                            my_alarm.trigger_alarm(pled="outPinROT", ppwm="myPWMLAUT")
+                        else: # open
+                            print("Fenster zu...")
+                            my_alarm._window_closed = True
+                        continue
+                    if pname == "inPinIR":
+                        my_alarm.trigger_alarm(pled="outPinROT", ppwm="myPWMLAUT")
+                        continue
+                    if pname == "inPinPIR":
+                        my_alarm.trigger_alarm(pled="outPinROT", ppwm="myPWMLAUT")
+                        continue
+            print("...")
+            time.sleep(2)
+    except Exception as e:
+        print("Exception captured. Clean up and quit...")
+        GPIO.cleanup()
+        PWM.cleanup()
+        print(e)