72 lines
2.2 KiB
Python
72 lines
2.2 KiB
Python
import envirophat
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from platypush.plugins import action
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from platypush.plugins.gpio.sensor import GpioSensorPlugin
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class GpioSensorEnvirophatPlugin(GpioSensorPlugin):
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"""
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Plugin to interact with a `Pimoroni enviropHAT <https://shop.pimoroni.com/products/enviro-phat>`_ device.
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You can use an enviropHAT device to read e.g. temperature, pressure, altitude, accelerometer, magnetometer and
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luminosity data, plus control the status of its RGB LEDs.
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Requires:
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* ``envirophat`` (``pip install envirophat``)
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"""
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@action
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def get_measurement(self, qnh=1020.0):
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"""
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:param: qnh: Local value for atmospheric pressure adjusted to sea level (default: 1020)
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:type qnh: float
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:returns: dict. Example::
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output = {
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"temperature": 21.0, # Celsius
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"pressure": 101555.08, # pascals
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"altitude": 10, # meters
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"luminosity": 426, # lumens
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# Measurements from the custom analog channels
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"analog": [0.513, 0.519, 0.531, 0.528],
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"accelerometer": {
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"x": -0.000915,
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"y": 0.0760,
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"z": 1.026733
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},
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"magnetometer": {
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"x": -2297,
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"y": 1226,
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"z": -7023
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},
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}
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"""
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ret = {}
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weather = envirophat.weather
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light = envirophat.light
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accelerometer = envirophat.motion.accelerometer()
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magnetometer = envirophat.motion.magnetometer()
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leds = envirophat.leds
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analog = envirophat.analog
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weather.update()
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ret['temperature'] = weather.temperature()
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ret['pressure'] = weather.pressure()
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ret['altitude'] = weather.altitude(qnh=qnh)
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ret['luminosity'] = light.light()
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ret['accelerometer'] = {getattr(accelerometer, v) for v in ['x', 'y', 'z']}
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ret['magnetometer'] = {getattr(magnetometer, v) for v in ['x', 'y', 'z']}
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ret['analog'] = list(analog.read_all())
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ret['leds'] = leds.is_on()
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return ret
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# vim:sw=4:ts=4:et:
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