Rough implementation of fire/battery low events.

pyad2usb/ad2usb.py

@@ -163,6 +163,7 @@ class AD2USB(object):
     on_config_received = event.Event('Called when the device receives its configuration.')
     on_zone_fault = event.Event('Called when the device detects a zone fault.')
     on_zone_restore = event.Event('Called when the device detects that a fault is restored.')
+    on_low_battery = event.Event('Called when the device detects a low battery.')
 
     # Mid-level Events
     on_message = event.Event('Called when a message has been received from the device.')
@@ -191,6 +192,7 @@ class AD2USB(object):
         self._bypass_status = None
         self._armed_status = None
         self._fire_status = None
+        self._battery_status = None
 
         self.address = 18
         self.configbits = 0xFF00
@@ -386,6 +388,15 @@ class AD2USB(object):
                     else:
                         self.on_disarm()
 
+            # TODO: This needs a timeout or something.. only set on the LO BAT messages
+            #       instead of all messages after.
+            if message.battery_low != self._battery_status:
+                self._battery_status, old_status = message.battery_low, self._battery_status
+
+                if old_status is not None and self._battery_status == True:
+                        self.on_low_battery(self._battery_status)
+
+            # TODO: Also needs a timeout.
             if message.fire_alarm != self._fire_status:
                 self._fire_status, old_status = message.fire_alarm, self._fire_status
 
@@ -394,6 +405,7 @@ class AD2USB(object):
 
         self._update_zone_tracker(message)
 
+
     def _update_zone_tracker(self, message):
         # Retrieve a list of faults.
         # NOTE: This only happens on first boot or after exiting programming mode.

test.py

@@ -90,6 +90,12 @@ def handle_fault(sender, args):
 def handle_restore(sender, args):
     print 'zone restored', args
 
+def handle_battery(sender, args):
+    print 'low battery', args
+
+def handle_fire(sender, args):
+    print 'FIRE!', args
+
 def upload_usb():
     dev = pyad2usb.ad2usb.devices.USBDevice()
 
@@ -227,7 +233,7 @@ def test_socket():
     #a2u.on_read += handle_read
     #a2u.on_write += handle_write
 
-    a2u.on_message += handle_message
+    #a2u.on_message += handle_message
     a2u.on_power_changed += handle_power_changed
     a2u.on_alarm += handle_alarm_bell
     a2u.on_bypass += handle_bypass
@@ -237,6 +243,10 @@ def test_socket():
     a2u.on_disarm += handle_disarm
     a2u.on_zone_fault += handle_fault
     a2u.on_zone_restore += handle_restore
+    #
+    a2u.on_fire += handle_fire
+    a2u.on_low_battery += handle_battery
+
 
     a2u.open()
     #a2u.save_config()
@@ -251,15 +261,15 @@ def test_socket():
     #a2u.emulate_lrr = False
     #a2u.deduplicate = False
 
-    #time.sleep(3)
-    #a2u.emulate_zone[1] = True
+    time.sleep(3)
+    #a2u.emulate_zone[1] = False
     #a2u.save_config()
 
-    time.sleep(1)
-    a2u.fault_zone(17, True)
+    #time.sleep(1)
+    #a2u.fault_zone(17, True)
 
-    time.sleep(15)
-    a2u.clear_zone(17)
+    #time.sleep(15)
+    #a2u.clear_zone(17)
 
     #time.sleep(1)
     #a2u.fault_zone((2, 2), True)