topics: move geofence status to its own topic

src/modules/commander/commander.cpp

@@ -81,6 +81,7 @@
 #include <uORB/topics/system_power.h>
 #include <uORB/topics/mission.h>
 #include <uORB/topics/mission_result.h>
+#include <uORB/topics/geofence_result.h>
 #include <uORB/topics/telemetry_status.h>
 #include <uORB/topics/vtol_vehicle_status.h>
 
@@ -926,6 +927,11 @@ int commander_thread_main(int argc, char *argv[])
 	struct mission_result_s mission_result;
 	memset(&mission_result, 0, sizeof(mission_result));
 
+	/* Subscribe to geofence result topic */
+	int geofence_result_sub = orb_subscribe(ORB_ID(geofence_result));
+	struct geofence_result_s geofence_result;
+	memset(&geofence_result, 0, sizeof(geofence_result));
+
 	/* Subscribe to manual control data */
 	int sp_man_sub = orb_subscribe(ORB_ID(manual_control_setpoint));
 	struct manual_control_setpoint_s sp_man;
@@ -1545,27 +1551,34 @@ int commander_thread_main(int argc, char *argv[])
 
 		if (updated) {
 			orb_copy(ORB_ID(mission_result), mission_result_sub, &mission_result);
-
-			/* Check for geofence violation */
-			if (armed.armed && (mission_result.geofence_violated || mission_result.flight_termination)) {
-				//XXX: make this configurable to select different actions (e.g. navigation modes)
-				/* this will only trigger if geofence is activated via param and a geofence file is present, also there is a circuit breaker to disable the actual flight termination in the px4io driver */
-				armed.force_failsafe = true;
-				status_changed = true;
-				static bool flight_termination_printed = false;
-
-				if (!flight_termination_printed) {
-					warnx("Flight termination because of navigator request or geofence");
-					mavlink_log_critical(mavlink_fd, "GF violation: flight termination");
-					flight_termination_printed = true;
-				}
-
-				if (counter % (1000000 / COMMANDER_MONITORING_INTERVAL) == 0) {
-					mavlink_log_critical(mavlink_fd, "GF violation: flight termination");
-				}
-			} // no reset is done here on purpose, on geofence violation we want to stay in flighttermination
 		}
 
+		/* start geofence result check */
+		orb_check(geofence_result_sub, &updated);
+
+		if (updated) {
+			orb_copy(ORB_ID(geofence_result), geofence_result_sub, &geofence_result);
+		}
+
+		/* Check for geofence violation */
+		if (armed.armed && (geofence_result.geofence_violated || mission_result.flight_termination)) {
+			//XXX: make this configurable to select different actions (e.g. navigation modes)
+			/* this will only trigger if geofence is activated via param and a geofence file is present, also there is a circuit breaker to disable the actual flight termination in the px4io driver */
+			armed.force_failsafe = true;
+			status_changed = true;
+			static bool flight_termination_printed = false;
+
+			if (!flight_termination_printed) {
+				warnx("Flight termination because of navigator request or geofence");
+				mavlink_log_critical(mavlink_fd, "GF violation: flight termination");
+				flight_termination_printed = true;
+			}
+
+			if (counter % (1000000 / COMMANDER_MONITORING_INTERVAL) == 0) {
+				mavlink_log_critical(mavlink_fd, "GF violation: flight termination");
+			}
+		} // no reset is done here on purpose, on geofence violation we want to stay in flighttermination
+
 		/* RC input check */
 		if (!status.rc_input_blocked && sp_man.timestamp != 0 &&
 		    hrt_absolute_time() < sp_man.timestamp + (uint64_t)(rc_loss_timeout * 1e6f)) {

src/modules/navigator/navigator.h

@@ -54,6 +54,7 @@
 #include <uORB/topics/vehicle_gps_position.h>
 #include <uORB/topics/parameter_update.h>
 #include <uORB/topics/mission_result.h>
+#include <uORB/topics/geofence_result.h>
 #include <uORB/topics/vehicle_attitude_setpoint.h>
 
 #include "navigator_mode.h"
@@ -111,6 +112,11 @@ public:
 	 */
 	void publish_mission_result();
 
+	/**
+	 * Publish the geofence result
+	 */
+	void publish_geofence_result();
+
 	/**
 	 * Publish the attitude sp, only to be used in very special modes when position control is deactivated
 	 * Example: mode that is triggered on gps failure
@@ -134,6 +140,7 @@ public:
 	struct home_position_s*		    get_home_position() { return &_home_pos; }
 	struct position_setpoint_triplet_s* get_position_setpoint_triplet() { return &_pos_sp_triplet; }
 	struct mission_result_s*	    get_mission_result() { return &_mission_result; }
+	struct geofence_result_s*		    get_geofence_result() { return &_geofence_result; }
 	struct vehicle_attitude_setpoint_s* get_att_sp() { return &_att_sp; }
 
 	int		get_onboard_mission_sub() { return _onboard_mission_sub; }
@@ -164,6 +171,7 @@ private:
 
 	orb_advert_t	_pos_sp_triplet_pub;		/**< publish position setpoint triplet */
 	orb_advert_t	_mission_result_pub;
+	orb_advert_t	_geofence_result_pub;
 	orb_advert_t	_att_sp_pub;			/**< publish att sp
 							  used only in very special failsafe modes
 							  when pos control is deactivated */
@@ -179,7 +187,8 @@ private:
 	position_setpoint_triplet_s			_pos_sp_triplet;	/**< triplet of position setpoints */
 
 	mission_result_s				_mission_result;
-	vehicle_attitude_setpoint_s					_att_sp;
+	geofence_result_s				_geofence_result;
+	vehicle_attitude_setpoint_s			_att_sp;
 
 	bool 		_mission_item_valid;		/**< flags if the current mission item is valid */
 

src/modules/navigator/navigator_main.cpp

@@ -110,6 +110,7 @@ Navigator::Navigator() :
 	_param_update_sub(-1),
 	_pos_sp_triplet_pub(-1),
 	_mission_result_pub(-1),
+	_geofence_result_pub(-1),
 	_att_sp_pub(-1),
 	_vstatus{},
 	_control_mode{},
@@ -398,8 +399,8 @@ Navigator::task_main()
 			have_geofence_position_data = false;
 			if (!inside) {
 				/* inform other apps via the mission result */
-				_mission_result.geofence_violated = true;
-				publish_mission_result();
+				_geofence_result.geofence_violated = true;
+				publish_geofence_result();
 
 				/* Issue a warning about the geofence violation once */
 				if (!_geofence_violation_warning_sent) {
@@ -408,8 +409,8 @@ Navigator::task_main()
 				}
 			} else {
 				/* inform other apps via the mission result */
-				_mission_result.geofence_violated = false;
-				publish_mission_result();
+				_geofence_result.geofence_violated = false;
+				publish_geofence_result();
 				/* Reset the _geofence_violation_warning_sent field */
 				_geofence_violation_warning_sent = false;
 			}
@@ -641,6 +642,21 @@ Navigator::publish_mission_result()
 	}
 }
 
+void
+Navigator::publish_geofence_result()
+{
+
+	/* lazily publish the geofence result only once available */
+	if (_geofence_result_pub > 0) {
+		/* publish mission result */
+		orb_publish(ORB_ID(geofence_result), _geofence_result_pub, &_geofence_result);
+
+	} else {
+		/* advertise and publish */
+		_geofence_result_pub = orb_advertise(ORB_ID(geofence_result), &_geofence_result);
+	}
+}
+
 void
 Navigator::publish_att_sp()
 {

src/modules/uORB/objects_common.cpp

@@ -1,6 +1,6 @@
 /****************************************************************************
  *
- *   Copyright (C) 2012, 2013 PX4 Development Team. All rights reserved.
+ *   Copyright (C) 2012-2014 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
@@ -148,6 +148,9 @@ ORB_DEFINE(onboard_mission, struct mission_s);
 #include "topics/mission_result.h"
 ORB_DEFINE(mission_result, struct mission_result_s);
 
+#include "topics/geofence_result.h"
+ORB_DEFINE(geofence_result, struct geofence_result_s);
+
 #include "topics/fence.h"
 ORB_DEFINE(fence, unsigned);
 

src/modules/uORB/topics/geofence_result.h

@@ -0,0 +1,65 @@
+/****************************************************************************
+ *
+ *   Copyright (C) 2014 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
+ *    notice, this list of conditions and the following disclaimer in
+ *    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,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * 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 geofence_result.h
+ * Status of the plance concerning the geofence
+ *
+ * @author Ban Siesta <bansiesta@gmail.com>
+ */
+
+#ifndef TOPIC_GEOFENCE_RESULT_H
+#define TOPIC_GEOFENCE_RESULT_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "../uORB.h"
+
+/**
+ * @addtogroup topics
+ * @{
+ */
+
+struct geofence_result_s
+{
+	bool geofence_violated;		/**< true if the geofence is violated */
+};
+
+/**
+ * @}
+ */
+
+/* register this as object request broker structure */
+ORB_DECLARE(geofence_result);
+
+#endif

src/modules/uORB/topics/mission_result.h

@@ -1,9 +1,6 @@
 /****************************************************************************
  *
- *   Copyright (C) 2012 PX4 Development Team. All rights reserved.
- *   Author: @author Thomas Gubler <thomasgubler@student.ethz.ch>
- *           @author Julian Oes <joes@student.ethz.ch>
- *           @author Lorenz Meier <lm@inf.ethz.ch>
+ *   Copyright (C) 2012-2014 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
@@ -37,6 +34,11 @@
 /**
  * @file mission_result.h
  * Mission results that navigator needs to pass on to commander and mavlink.
+ *
+ * @author Thomas Gubler <thomasgubler@student.ethz.ch>
+ * @author Julian Oes <joes@student.ethz.ch>
+ * @author Lorenz Meier <lm@inf.ethz.ch>
+ * @author Ban Siesta <bansiesta@gmail.com>
  */
 
 #ifndef TOPIC_MISSION_RESULT_H
@@ -58,7 +60,6 @@ struct mission_result_s
 	bool reached;			/**< true if mission has been reached					 */
 	bool finished;			/**< true if mission has been completed					 */
 	bool stay_in_failsafe;		/**< true if the commander should not switch out of the failsafe mode*/
-	bool geofence_violated;		/**< true if the geofence is violated */
 	bool flight_termination;	/**< true if the navigator demands a flight termination from the commander app */
 };