reconnect script added for Tracker HAT

ppp_installer/reconnect_tracker

@@ -0,0 +1,30 @@
+#!/bin/sh
+
+gpio -g mode 23 in	#status
+gpio -g mode 24 out	#powerkey
+gpio -g mode 17 out	#disable
+# enabling the power of the HAT
+gpio -g write 17 1
+sleep 1
+gpio -g write 17 0
+
+while true; do
+
+	if [ $(gpio -g read 23) = "0" ]; then
+		echo "Power up"
+
+		gpio -g write 24 1
+		sleep 2
+		gpio -g write 24 0
+		sleep 2
+	else
+    	ping -q -I ppp0 -c 1 8.8.8.8 -s 0 >/dev/null
+
+		if [ $? -ne 0 ]; then
+			echo "Connection down, reconnecting..."
+			sudo pon
+		fi
+	fi
+
+	sleep 10
+done