Add valve example

Used for gardena valves with 9V power supply.

examples/osd/arduino-valve/valve.h

@@ -0,0 +1,31 @@
+/**
+ * \defgroup Magnetic Valve
+ *
+ * Resource definition for Magnetic valve
+ *
+ * @{
+ */
+
+/**
+ * \file
+ *         Resource definitions for the Magnetic valve
+ *      
+ * \author
+ *         Ralf Schlatterbeck <rsc@tux.runtux.com>
+ */
+
+#ifndef valve_h
+#define valve_h
+#include "contiki.h"
+#include "contiki-net.h"
+#include "er-coap.h"
+
+#define ENABLE_PIN  2
+#define BRIDGE1_PIN 3
+#define BRIDGE2_PIN 4
+
+extern uint8_t  valve;
+extern resource_t res_valve;
+
+#endif // valve_h
+/** @} */