Land detector: Add mode for rovers

src/modules/land_detector/RoverLandDetector.cpp

@@ -0,0 +1,80 @@
+/****************************************************************************
+ *
+ *   Copyright (c) 2013-2017 PX4 Development Team. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
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+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/**
+ * @file RoverLandDetector.cpp
+ * Land detection algorithm for Rovers
+ *
+ * @author Roman Bapst <bapstroma@gmail.com>
+ * @author Julian Oes <julian@oes.ch>
+ */
+
+#include <drivers/drv_hrt.h>
+
+#include "RoverLandDetector.h"
+
+namespace land_detector
+{
+
+RoverLandDetector::RoverLandDetector() : LandDetector()
+{
+}
+
+void RoverLandDetector::_initialize_topics()
+{
+}
+
+void RoverLandDetector::_update_topics()
+{
+}
+
+bool RoverLandDetector::_get_ground_contact_state()
+{
+	return false;
+}
+
+bool RoverLandDetector::_get_landed_state()
+{
+	return false;
+}
+
+bool RoverLandDetector::_get_freefall_state()
+{
+	return false;
+}
+
+void RoverLandDetector::_update_params()
+{
+}
+
+}