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relays.py

@@ -0,0 +1,43 @@
+#import RPi.GPIO as GPIO
+import time
+import subprocess
+
+Relay = [5, 6, 13, 16, 19, 20, 21, 26]
+All_Relays = "5,6,13,16,19,20,21,26"
+ON = 1
+OFF = 0
+# GPIO.HIGH -> relay off
+# GPIO.LOW -> relay on
+
+#GPIO.setmode(GPIO.BCM)
+#GPIO.setwarnings(False)
+
+
+def init():
+    # alle Relais auf output und ausschalten
+    res = subprocess.run(["pinctrl", All_Relays, "op", "dh"])
+
+
+def on(id):
+#    GPIO.output(Relay[id], GPIO.LOW)
+    res = subprocess.run(["pinctrl", f"{Relay[id]}", "op", "dl"])
+
+def off(id):
+#    GPIO.output(Relay[id], GPIO.HIGH)
+    res = subprocess.run(["pinctrl", f"{Relay[id]}", "op", "dh"])
+
+def setOnOff(id, state):
+    if state==ON:
+        on(id)
+    elif state==OFF:
+        off(id)
+        
+def onoffstatus(id):
+    res = subprocess.run(["pinctrl", "lev", f"{Relay[id]}"], capture_output=True, text=True)
+    if res.returncode == 0:
+        out = int(res.stdout)
+        if out == 1:
+            return OFF
+        if out == 0:
+            return ON
+    raise ValueError