Create energenieControl.py

energenieControl.py

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+#!/usr/bin/python3
+
+#import the required modules
+import RPi.GPIO as GPIO
+import time
+import sys
+
+GPIO.setwarnings(False)
+
+# set the pins numbering mode
+GPIO.setmode(GPIO.BOARD)
+
+# Select the GPIO pins used for the encoder D0-D3 data inputs
+GPIO.setup(11, GPIO.OUT)
+GPIO.setup(15, GPIO.OUT)
+GPIO.setup(16, GPIO.OUT)
+GPIO.setup(13, GPIO.OUT)
+
+# Select the signal used to select ASK/FSK
+GPIO.setup(18, GPIO.OUT)
+
+# Select the signal used to enable/disable the modulator
+GPIO.setup(22, GPIO.OUT)
+
+# Disable the modulator by setting CE pin lo
+GPIO.output (22, False)
+
+# Set the modulator to ASK for On Off Keying 
+# by setting MODSEL pin lo
+GPIO.output (18, False)
+
+# Initialise D0-D3 inputs of the encoder to 0000
+GPIO.output (11, False)
+GPIO.output (15, False)
+GPIO.output (16, False)
+GPIO.output (13, False)
+
+#standard template for sending control codes
+def output(state):
+	GPIO.output (11, 1 if state[3] == '1' else 0)
+	GPIO.output (15, 1 if state[2] == '1' else 0)
+	GPIO.output (16, 1 if state[1] == '1' else 0)
+	GPIO.output (13, 1 if state[0] == '1' else 0)
+	# let it settle, encoder requires this
+	time.sleep(0.1)
+	# Enable the modulator
+	GPIO.output (22, 1)
+	# keep enabled for a period
+	time.sleep(0.25)
+	# Disable the modulator
+	GPIO.output (22, 0)
+
+if len(sys.argv) == 3:
+	state = ""
+	if sys.argv[2] == "ON":
+		state = "1"
+	elif sys.argv[2] == "PAIR":
+		state = "1"
+	elif sys.argv[2] == "OFF":
+		state = "0"
+	else:
+		raise Exception("Please use ON or OFF")
+
+	if sys.argv[1] == "1":
+		state = state + "111"
+	elif sys.argv[1] == "2":
+		state = state + "110"
+	elif sys.argv[1] == "3":
+		state = state + "101"
+	elif sys.argv[1] == "4":
+		state = state + "100"
+	elif sys.argv[1] == "ALL":
+		state = state + "011"
+	else:
+		raise Exception("Switches go from 1 to 4 (or 'ALL')")
+	print ("sending " + state)
+	output(state)
+
+else:
+	print ("usage:")
+	print ("    ./energenieControl.py <n> <state>")
+	print ("        n is from 1 to 4")
+	print ("        state is ON or OFF")
+	print ("Press and hold the switch power button for 5 seconds for pairing mode")
+	print ("Hold switch for 10 seconds to reset")
+
+GPIO.cleanup()
+