GPIO to Modbus test code

gpio2modbus.py

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+import time
+
+import RPi.GPIO as GPIO # Import Raspberry Pi GPIO library
+
+from pubsub import pub
+
+from WebRelay import WebRelay
+
+def button_callback(channel):
+    print("Button was pushed!")
+    pub.sendMessage("turn_relay_on", relay_id=0)
+    
+
+GPIO.setwarnings(False) # Ignore warning for now
+GPIO.setmode(GPIO.BOARD) # Use physical pin numbering
+GPIO.setup(10, GPIO.IN, pull_up_down=GPIO.PUD_DOWN) # Set pin 10 to be an input pin and set initial value to be pulled low (off)
+
+GPIO.add_event_detect(10,GPIO.RISING,callback=button_callback) # Setup event on pin 10 rising edge
+
+if __name__ == "__main__":
+    nc_dict = dict()
+    nc_dict["ipaddr"] = "192.168.1.2"
+    nc_dict["port"] = 502
+    nc_dict["uid"] = 240
+
+    modbus = WebRelay()
+    modbus.apply_network_configs(nc_dict)
+    modbus.connect_slave()
+
+    pub.subscribe(modbus.turn_relay_on, "turn_relay_on")
+
+    message = input("Press enter to quit\n\n") # Run until someone presses enter
+
+    GPIO.cleanup() # Clean up
+    modbus.disconnect_slave()