lib/python/Components/Sources/Sensor.py

   1 from Components.Sensors import sensors
   2
   3 from enigma import eTimer
   4
   5 from Source import Source
   6
   7 class SensorSource(Source):
   8         def __init__(self, update_interval = 500, sensorid = None):
   9                 self.update_interval = update_interval
  10                 self.sensorid = sensorid
  11                 Source.__init__(self)
  12
  13                 if sensorid is not None:
  14                         self.update_timer = eTimer()
  15                         self.update_timer.callback.append(self.updateValue)
  16                         self.update_timer.start(self.update_interval)
  17
  18         def getValue(self):
  19                 if self.sensorid is not None:
  20                         return sensors.getSensorValue(self.sensorid)
  21                 return None
  22
  23         def getUnit(self):
  24                 return sensors.getSensorUnit(self.sensorid)
  25
  26         def updateValue(self):
  27                 self.changed((self.CHANGED_POLL,))
  28
  29         def destroy(self):
  30                 if self.sensorid is not None:
  31                         self.update_timer.callback.remove(self.updateValue)