63 lines
2.5 KiB
Python
63 lines
2.5 KiB
Python
import signal
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from pyhap.accessory import Accessory, Bridge
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import bme680
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from pyhap.accessory_driver import AccessoryDriver
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from pyhap.const import CATEGORY_SENSOR
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class Bme680Sensor(Accessory):
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"""Implementation of a mock temperature sensor accessory."""
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category = CATEGORY_SENSOR # This is for the icon in the iOS Home app.
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def __init__(self, *args, **kwargs):
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"""Here, we just store a reference to the current temperature characteristic and
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add a method that will be executed every time its value changes.
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"""
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# If overriding this method, be sure to call the super's implementation first.
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super().__init__(*args, **kwargs)
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self.sensor = bme680.BME680(bme680.I2C_ADDR_PRIMARY)
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self.sensor.set_humidity_oversample(bme680.OS_2X)
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self.sensor.set_pressure_oversample(bme680.OS_4X)
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self.sensor.set_temperature_oversample(bme680.OS_8X)
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self.sensor.set_filter(bme680.FILTER_SIZE_3)
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# Add the services that this Accessory will support with add_preload_service here
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temp_service = self.add_preload_service('TemperatureSensor')
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humidity_service = self.add_preload_service('HumiditySensor')
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self.temp_value = temp_service.get_characteristic('CurrentTemperature')
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self.humidity_value = humidity_service.get_characteristic("CurrentRelativeHumidity")
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@Accessory.run_at_interval(3)
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def run(self):
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"""We override this method to implement what the accessory will do when it is
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started.
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We set the current temperature to a random number. The decorator runs this method
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every 3 seconds.
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"""
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if self.sensor.get_sensor_data():
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self.temp_value.set_value(self.sensor.data.temperature)
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self.humidity_value.set_value(self.sensor.data.humidity)
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def stop(self):
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"""We override this method to clean up any resources or perform final actions, as
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this is called by the AccessoryDriver when the Accessory is being stopped.
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"""
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print('Stopping accessory.')
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def get_bridge(accessory_driver):
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bridge = Bridge(accessory_driver, 'Bridge')
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bridge.add_accessory(Bme680Sensor(accessory_driver, 'Sensor'))
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return bridge
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if __name__ == '__main__':
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driver = AccessoryDriver(port=51826, persist_file="/home/pi/bme680-homekit/accessory.state")
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driver.add_accessory(accessory=get_bridge(driver))
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signal.signal(signal.SIGTERM, driver.signal_handler)
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driver.start()
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