33 lines
1007 B
Python
33 lines
1007 B
Python
from platypush.backend.sensor import SensorBackend
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from platypush.context import get_plugin
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class SensorDistanceBackend(SensorBackend):
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"""
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Backend to poll a distance sensor.
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Requires:
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* ``RPi.GPIO`` (``pip install RPi.GPIO``)
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* The :mod:`platypush.plugins.gpio.sensor.distance` plugin configured
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Triggers:
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* :class:`platypush.message.event.sensor.SensorDataChangeEvent` if the measurements of a sensor have changed
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* :class:`platypush.message.event.sensor.SensorDataAboveThresholdEvent` if the measurements of a sensor have
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gone above a configured threshold
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* :class:`platypush.message.event.sensor.SensorDataBelowThresholdEvent` if the measurements of a sensor have
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gone below a configured threshold
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"""
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def get_measurement(self):
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""" get_measurement implementation """
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plugin = get_plugin('gpio.sensor.distance')
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return {"distance": plugin.get_data().output }
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# vim:sw=4:ts=4:et:
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