driver for the ranger the 2 piezo version

Revision:
0:5871422998cd
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Ranger.h	Tue Jun 14 13:33:39 2016 +0000
@@ -0,0 +1,9 @@
+// Ranger.h file
+
+#include "mbed.h"
+// if RANGER_H has not previously been defined
+// define it now
+
+
+int range(); // ranger only has 1 function prototype
+