Added accelerometer sensor backend

platypush/backend/sensor/accelerometer.py

@@ -0,0 +1,22 @@
+from platypush.backend.sensor import SensorBackend
+from platypush.context import get_plugin
+
+
+class SensorAccelerometerBackend(SensorBackend):
+    """
+    Backend to poll position information from an accelerometer sensor.
+
+    Requires:
+
+        * ``Adafruit_Python_GPIO`` (``pip install Adafruit_Python_GPIO``)
+        * The :mod:`platypush.plugins.gpio.sensor.accelerometer` plugin configured
+    """
+
+    def get_measurement(self):
+        """ get_measurement implementation """
+        plugin = get_plugin('gpio.sensor.accelerometer')
+        return plugin.get_data().output
+
+
+# vim:sw=4:ts=4:et:
+

platypush/plugins/gpio/sensor/accelerometer/__init__.py

@@ -47,10 +47,14 @@ class GpioSensorAccelerometerPlugin(GpioSensorPlugin):
         """
         Extends :func:`.GpioSensorPlugin.get_measurement`
 
-        :returns: The sensor's current position as a list with the three components (x,y,z) in degrees, each between -90 and 90
+        :returns: The sensor's current position as a dictionary with the three components (x,y,z) in degrees, each between -90 and 90
         """
 
-        return [self.sensor.getX()*100, self.sensor.getY()*100, self.sensor.getZ()*100]
+        return {
+            'x': self.sensor.getX()*100,
+            'y': self.sensor.getY()*100,
+            'z': self.sensor.getZ()*100
+        }
 
 
 # vim:sw=4:ts=4:et: