51 lines
2.0 KiB
Python
51 lines
2.0 KiB
Python
#!/usr/bin/python
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# Author: Robert Köpferl
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# Skript, um Sensoren des Typs AD2302 auszulesen und die umgerechneten
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# Temperatur und Luftfeuchte-Werte zu pushen
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import sys
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import datetime
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import time
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import Adafruit_DHT
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grafanaurl=%GRAFANA_URL%
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grafanentpoint=%GRAFANA_ENDP%
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# Einfach alle Sensoren der Reihe nach auslesen
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sensoren = [
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{'Name': 'Bienen0_o', 'GPIO': 8, 'Pin': 24, 'Ziel': 'B0-o'},
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{'Name': 'Bienen0_u', 'GPIO': 7, 'Pin': 26, 'Ziel': 'B0-u'},
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{'Name': 'Bienen1_o', 'GPIO': 12, 'Pin': 32, 'Ziel': 'B1-o'},
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{'Name': 'Bienen1_u', 'GPIO': 16, 'Pin': 36, 'Ziel': 'B1-u'},
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{'Name': 'Bienen2_o', 'GPIO': 20, 'Pin': 38, 'Ziel': 'B2-o'},
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{'Name': 'Bienen2_u', 'GPIO': 21, 'Pin': 40, 'Ziel': 'B2-u'},
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]
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intervall = 10
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jez = datetime.datetime.now().isoformat()
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print(f"{jez}: Starten von AD2302-Auslese-Skript. Läuft dauerhaft, periodisches Abfragen im Intervall: {intervall}s. Folgende Sensoren konfiguriert:")
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for sensor in sensoren:
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print( sensor['Name'], "@ GPIO:", sensor['GPIO'], "/ Pin: ", sensor['Pin'])
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while True:
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for sensor in sensoren:
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gpio = sensor['GPIO']
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# Try to grab a sensor reading. Use the read_retry method which will retry up
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# to 15 times to get a sensor reading (waiting 2 seconds between each retry).
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# using read fails immediately
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#humidity, temperature = Adafruit_DHT.read('22', gpio)
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humidity, temperature = None,None
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# Note that sometimes you won't get a reading and
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# the results will be null (because Linux can't
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# guarantee the timing of calls to read the sensor).
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# If this happens try again!
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if humidity is not None and temperature is not None:
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print('Temp={0:0.1f}°C Humidity={1:0.1f}%'.format(temperature, humidity))
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else:
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jez = datetime.datetime.now().isoformat()
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print(f"{jez} Fehler bei Sensor {sensor['Name']} Pin:{sensor['Pin']} - keine Werte erhalten.")
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# eine Runde pennen
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time.sleep(intervall)
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