Python library to Python 3

Libraries/Example.py

@@ -1,19 +1,23 @@
 # This is a short example program that
 # demonstrates the bare minimum of using
-# RNode in a Python program. First we'll
-# import the RNodeInterface class.
+# RNode in a Python program. 
+#
+# The example and the RNode.py library is
+# written for Python 3, so be sure to run
+# it with: python3 Example.py
+
+# First we'll import the RNodeInterface class.
 from RNode import RNodeInterface
 
 # We'll also define which serial port the
 # RNode is attached to.
 serialPort = "/dev/ttyUSB0"
-# TODO: Remove
-serialPort = "/dev/tty.usbserial-DN03E0FQ"
 
 # This function gets called every time a
 # packet is received
 def gotPacket(data, rnode):
-	print("Received a packet: "+data)
+	message = data.decode("utf-8")
+	print("Received a packet: "+message)
 	print("RSSI: "+str(rnode.r_stat_rssi)+" dBm")
 	print("SNR:  "+str(rnode.r_stat_snr)+" dB")
 
@@ -35,7 +39,9 @@ try:
 	print("Waiting for packets, hit enter to send a packet, Ctrl-C to exit")
 	while True:
 		input()
-		rnode.send("Hello World!")
+		message = "Hello World!"
+		data = message.encode("utf-8")
+		rnode.send(data)
 except KeyboardInterrupt as e:
 	print("")
 	exit()