Unit-Files erstellt und Skript soweit

install/install.sh

@@ -11,16 +11,19 @@ if [ -z "$GRAFANADB" ] then
     exit 1
 fi
 
-
+if [ "$EUID" -ne 0 ]
+  then echo "Bitte mit sudo laufen lassen!"
+  exit
+fi
 
 # generell update
-sudo apt-get update
+apt-get update
-sudo apt-get upgrade
+apt-get upgrade
 
 # wir brauchen python3
-sudo apt install python3
+apt install python3
 # wir brauchen pip3
-sudo apt-get install python3-pip
+apt-get install python3-pip
 #Nö: sudo pip3 install --upgrade setuptools
 
 # Run the following command to install the Raspberry PI GPIO library:
@@ -28,3 +31,22 @@ sudo apt-get install python3-pip
 #pip3 install adafruit-blinka
 
 sudo pip3 install Adafruit_DHT
+
+
+# Skripte nach usr/bin kopieren
+cp src/temp+feucht-DHT22.py /usr/bin/temp+feucht-DHT22.py
+cp src/weight-datageneration.py /usr/bin/weight-datageneration.py
+
+# systemd unit files kopieren und chmod
+cp src/systemd/temp+feuchte-sammler.service /etc/systemd/system/temp+feuchte-sammler.service
+chmod 644 /etc/systemd/system/temp+feuchte-sammler.service
+cp src/systemd/weight-sammler.service /etc/systemd/system/weight-sammler.service
+chmod 644 /etc/systemd/system/weight-sammler.service
+
+# services enablen - starten so automatisch
+systemctl enable temp+feuchte-sammler
+systemctl enable weight-sammler
+
+# und starten
+systemctl start temp+feuchte-sammler
+systemctl start weight-sammler

src/systemd/temp+feuchte-sammler.service

@@ -0,0 +1,9 @@
+[Unit]
+Description=Temperatur und Luftfeuchte-Sammler-service.
+
+[Service]
+Type=simple
+ExecStart=/usr/bin/python3 /usr/bin/temp+feucht-DHT22.py
+
+[Install]
+WantedBy=multi-user.target

src/systemd/weight-sammler.service

@@ -0,0 +1,9 @@
+[Unit]
+Description=Gewicht-Sammler-service.
+
+[Service]
+Type=simple
+ExecStart=/usr/bin/python3 /usr/bin/weight-datageneration.py
+
+[Install]
+WantedBy=multi-user.target

src/temp+feucht-DHT22.py

@@ -1,43 +1,48 @@
 #!/usr/bin/python
 # Author: Robert Köpferl
 # Skript, um Sensoren des Typs AD2302 auszulesen und die umgerechneten
-# Temperatur und Feuchte-Werte zu pushen
+# Temperatur und Luftfeuchte-Werte zu pushen
 
 import sys
-
+import datetime
-import Adafruit_DHT
+import time
+#import Adafruit_DHT
 
 
 # Einfach alle Sensoren der Reihe nach auslesen
-
+sensoren  = [
-sensor  = [
+{'Name': 'Bienen0_o', 'GPIO': 8, 'Pin': 24, 'Ziel': 'B0-o'},
-{'Name': 'Bienen0_o', 'Pin': 24, 'Ziel': 'B0-o'},
+{'Name': 'Bienen0_u', 'GPIO': 7, 'Pin': 26, 'Ziel': 'B0-u'},
-{'Name': 'Bienen0_u', 'Pin': 26, 'Ziel': 'B0-u'},
+{'Name': 'Bienen1_o', 'GPIO': 12, 'Pin': 32, 'Ziel': 'B1-o'},
-{'Name': 'Bienen1_o', 'Pin': 32, 'Ziel': 'B1-o'},
+{'Name': 'Bienen1_u', 'GPIO': 16, 'Pin': 36, 'Ziel': 'B1-u'},
-{'Name': 'Bienen1_u', 'Pin': 36, 'Ziel': 'B1-u'},
+{'Name': 'Bienen2_o', 'GPIO': 20, 'Pin': 38, 'Ziel': 'B2-o'},
-{'Name': 'Bienen2_o', 'Pin': 38, 'Ziel': 'B2-o'},
+{'Name': 'Bienen2_u', 'GPIO': 21, 'Pin': 40, 'Ziel': 'B2-u'},
-{'Name': 'Bienen2_u', 'Pin': 40, 'Ziel': 'B2-u'},
 ]
+intervall = 10
+jez = datetime.datetime.now().isoformat()
 
-* GPIO8 (24)   (Bienen0) - Sensor A
+print(f"{jez}: Starten von AD2302-Auslese-Skript. Läuft dauerhaft, periodisches Abfragen im Intervall: {intervall}s. Folgende Sensoren konfiguriert:")
-* GPIO7 (26)   (Bienen0) - Sensor B
-* GPIO12 (32)   (Bienen1) - Sensor A
-* GPIO16 (36)   (Bienen1) - Sensor B
-* GPIO20 (38)   (Bienen2) - Sensor A
-* GPIO21 (40)   (Bienen2) - Sensor B
 
-# Try to grab a sensor reading.  Use the read_retry method which will retry up
+for sensor in sensoren:
-# to 15 times to get a sensor reading (waiting 2 seconds between each retry).
+    print( sensor['Name'], "@ GPIO:", sensor['GPIO'], "/ Pin: ", sensor['Pin'])
-humidity, temperature = Adafruit_DHT.read(sensor, pin)
 
+while True:
+    for sensor in sensoren:
+        gpio = sensor['GPIO']
+        # Try to grab a sensor reading.  Use the read_retry method which will retry up
+        # to 15 times to get a sensor reading (waiting 2 seconds between each retry).
+        # using read fails immediately
+        #humidity, temperature = Adafruit_DHT.read('22', gpio)
+        humidity, temperature = None,None
 
-
+        # Note that sometimes you won't get a reading and
-# Note that sometimes you won't get a reading and
+        # the results will be null (because Linux can't
-# the results will be null (because Linux can't
+        # guarantee the timing of calls to read the sensor).
-# guarantee the timing of calls to read the sensor).
+        # If this happens try again!
-# If this happens try again!
+        if humidity is not None and temperature is not None:
-if humidity is not None and temperature is not None:
+            print('Temp={0:0.1f}°C  Humidity={1:0.1f}%'.format(temperature, humidity))
-    print('Temp={0:0.1f}*  Humidity={1:0.1f}%'.format(temperature, humidity))
+        else:
-else:
+            jez = datetime.datetime.now().isoformat()
-    print('Failed to get reading. Try again!')
+            print(f"{jez} Fehler bei Sensor {sensor['Name']} Pin:{sensor['Pin']} - keine Werte erhalten.")
-    sys.exit(1)
+    # eine Runde pennen
+    time.sleep(intervall)