Update config with -N next mode

config

@@ -1622,6 +1622,46 @@ elif [ "$1" = "-M" ]; then
 	echo
 	echo $MODE > /home/pi/CubeSatSim/failure_mode.txt
 
+elif [ "$1" = "-N" ]; then
+
+	echo "Next mode"
+
+	value=`cat /home/pi/CubeSatSim/.mode`
+	echo "$value" > /dev/null
+	set -- $value
+
+	if [ "$1" = "a" ]; then
+		echo "Current mode is APRS"
+		echo "Next mode is FSK"
+		/home/pi/CubeSatSim/config -f
+	elif [ "$1" = "m" ]; then
+		echo "Current mode is CW"
+		echo "Next mode is FunCube"
+		/home/pi/CubeSatSim/config -j
+	elif [ "$1" = "f" ]; then
+		echo "Current mode is FSK"
+		echo "Next mode is BPSK"
+		/home/pi/CubeSatSim/config -b
+	elif [ "$1" = "b" ]; then
+		echo "Current mode is BPSK"	
+		echo "Next mode is SSTV"
+		/home/pi/CubeSatSim/config -s
+	elif [ "$1" = "s" ]; then
+		echo "Current mode is SSTV"
+		echo "Next mode is CW"
+		/home/pi/CubeSatSim/config -m
+	elif [ "$1" = "e" ]; then
+		echo "Current mode is Repeater"	
+		echo "Next mode is APRS"
+		/home/pi/CubeSatSim/config -a
+	elif [ "$1" = "j" ]; then
+		echo "Current mode is FUNcube"	
+		echo "Next mode is Repeater"
+		/home/pi/CubeSatSim/config -e
+    else
+		echo "Unknown mode"
+	fi
+
 elif [ "$1" = "-h" ]; then
 
 	echo "config OPTION"
@@ -1660,7 +1700,7 @@ elif [ "$1" = "-h" ]; then
 	echo "   -L     Change microphone level for command and control"
 	echo "   -g     Reset configuration back to default settings"
 	echo "   -M     Set simulated failure mode"
-
+	echo "   -N     Set next mode"
 	echo
 	exit