added block for measuring round trip times.

include/foo/rtt_measure.h

@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2013 Christoph Leitner <c.leitner@student.uibk.ac.at>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef INCLUDED_FOO_RTT_MEASURE_H
+#define INCLUDED_FOO_RTT_MEASURE_H
+
+#include <foo/api.h>
+#include <gnuradio/block.h>
+
+namespace gr {
+namespace foo {
+
+	class FOO_API rtt_measure : virtual public gr::block
+	{
+	public:
+		typedef boost::shared_ptr<rtt_measure> sptr;
+		static sptr make(unsigned long interval);
+	};
+}  // namespace foo
+}  // namespace gr
+
+
+
+
+#endif