add example config for iec60870-5-104-slave node

etc/iec104.conf

@@ -0,0 +1,71 @@
+
+nodes = {
+     	iec104 = {
+		type = "iec60870-5-104-slave"
+		
+		# network address and port of the server
+		# 0.0.0.0 listens on all interfaces
+		address = "0.0.0.0"
+		port = 2402
+		# common address of this IEC104 slave
+		ca = 2
+		# pack information objects with subsequent information object adresses tighter
+		# ToDo: not implemented yet
+		#pack = [
+		#	{
+		#		start = 1234
+		#		end = 1235
+		#	}
+		#]
+
+		out = {
+			# map signals to information object addresses and asdu data types
+			# one asdu per specified asdu_type is send for each batch of samples
+			signals = (
+				{
+					name = "signal0"
+					type = "float"
+					# the asdu data type
+					asdu_type = "short"
+					# add 56 bit unix timestamp to asdu
+					with_timestamp = true
+					unit = "V"
+					init = 0
+					# the information object address of this signal
+					ioa = 1234
+				},
+				# signal1 could be packed tighter in the asdu
+				# as its ioa is adjacent to signal0
+				# and signal0 and signal1 share the same
+				# asdu type
+				#
+				# ToDo: allow dense packing (see "pack" above)
+				# ToDo: allow mixed asdu types ()
+				{
+					name = "signal1"
+					type = "float"
+					asdu_type = "short"
+					with_timestamp = true
+					unit = "V"
+					init = 0
+					ioa = 1235
+				}
+			)
+		}
+	}
+	signal = {
+		type = "signal"
+		signal = "mixed"
+		values = 2
+	}
+}
+
+paths = (
+	{
+		in = "signal"
+		out = "iec104"
+		hooks = (
+			{ type = "print" }
+		)
+	}
+)