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sensor_gme680.py
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sensor_gme680.py
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import logging
import time
import adafruit_bme680
import board
from sensor_abstract import AbstractSensor
# noinspection PyUnresolvedReferences
import RPi.GPIO as GPIO
class SensorGme680(AbstractSensor):
device: adafruit_bme680.Adafruit_BME680_I2C = None
def __init__(self, config: dict):
super().__init__(config)
def __get_device(self) -> adafruit_bme680.Adafruit_BME680_I2C:
if self.device is None:
logging.info("Starting BME680 sensor")
pin = self.get_config("GPIO.Power", False)
if pin:
GPIO.output(pin, GPIO.LOW)
time.sleep(0.2)
GPIO.output(pin, GPIO.HIGH)
i2c = board.I2C()
device = None
try:
device = adafruit_bme680.Adafruit_BME680_I2C(i2c)
except Exception as e:
logging.info(e)
self.device = device
return self.device
def read(self, index):
if index == "relative_humidity":
return self.__get_device().relative_humidity
if index == "temperature":
return self.__get_device().temperature
raise Exception("Wrong AHTx0 index (" + index + ")!")