Merge remote-tracking branch 'upstream/master' into offboard2_externalsetpointmessages

Conflicts:
	src/modules/navigator/navigator_main.cpp

5 files changed, 113 insertions, 14 deletions

diff --git a/src/modules/mavlink/mavlink_main.cpp b/src/modules/mavlink/mavlink_main.cpp
index 8b7fc4650..1e5bd661f 100644
--- a/src/modules/mavlink/mavlink_main.cpp
+++ b/src/modules/mavlink/mavlink_main.cpp
@@ -1662,6 +1662,8 @@ Mavlink::display_status()
 		printf("\tGCS heartbeat:\t%llu us ago\n", hrt_elapsed_time(&_rstatus.heartbeat_time));
 	}
 
+	printf("\tmavlink chan: #%u\n", _channel);
+
 	if (_rstatus.timestamp > 0) {
 
 		printf("\ttype:\t\t");
diff --git a/src/modules/mavlink/mavlink_receiver.cpp b/src/modules/mavlink/mavlink_receiver.cpp
index adff41812..da594412e 100644
--- a/src/modules/mavlink/mavlink_receiver.cpp
+++ b/src/modules/mavlink/mavlink_receiver.cpp
@@ -138,6 +138,10 @@ MavlinkReceiver::handle_message(mavlink_message_t *msg)
 		handle_message_command_long(msg);
 		break;
 
+	case MAVLINK_MSG_ID_COMMAND_INT:
+		handle_message_command_int(msg);
+		break;
+
 	case MAVLINK_MSG_ID_OPTICAL_FLOW:
 		handle_message_optical_flow(msg);
 		break;
@@ -286,6 +290,62 @@ MavlinkReceiver::handle_message_command_long(mavlink_message_t *msg)
 }
 
 void
+MavlinkReceiver::handle_message_command_int(mavlink_message_t *msg)
+{
+	/* command */
+	mavlink_command_int_t cmd_mavlink;
+	mavlink_msg_command_int_decode(msg, &cmd_mavlink);
+
+	if (cmd_mavlink.target_system == mavlink_system.sysid && ((cmd_mavlink.target_component == mavlink_system.compid)
+			|| (cmd_mavlink.target_component == MAV_COMP_ID_ALL))) {
+		//check for MAVLINK terminate command
+		if (cmd_mavlink.command == MAV_CMD_PREFLIGHT_REBOOT_SHUTDOWN && ((int)cmd_mavlink.param1) == 3) {
+			/* This is the link shutdown command, terminate mavlink */
+			warnx("terminated by remote command");
+			fflush(stdout);
+			usleep(50000);
+
+			/* terminate other threads and this thread */
+			_mavlink->_task_should_exit = true;
+
+		} else {
+
+			if (msg->sysid == mavlink_system.sysid && msg->compid == mavlink_system.compid) {
+				warnx("ignoring CMD spoofed with same SYS/COMP (%d/%d) ID",
+				      mavlink_system.sysid, mavlink_system.compid);
+				return;
+			}
+
+			struct vehicle_command_s vcmd;
+			memset(&vcmd, 0, sizeof(vcmd));
+
+			/* Copy the content of mavlink_command_int_t cmd_mavlink into command_t cmd */
+			vcmd.param1 = cmd_mavlink.param1;
+			vcmd.param2 = cmd_mavlink.param2;
+			vcmd.param3 = cmd_mavlink.param3;
+			vcmd.param4 = cmd_mavlink.param4;
+			/* these are coordinates as 1e7 scaled integers to work around the 32 bit floating point limits */
+			vcmd.param5 = ((double)cmd_mavlink.x) / 1e7;
+			vcmd.param6 = ((double)cmd_mavlink.y) / 1e7;
+			vcmd.param7 = cmd_mavlink.z;
+			// XXX do proper translation
+			vcmd.command = (enum VEHICLE_CMD)cmd_mavlink.command;
+			vcmd.target_system = cmd_mavlink.target_system;
+			vcmd.target_component = cmd_mavlink.target_component;
+			vcmd.source_system = msg->sysid;
+			vcmd.source_component = msg->compid;
+
+			if (_cmd_pub < 0) {
+				_cmd_pub = orb_advertise(ORB_ID(vehicle_command), &vcmd);
+
+			} else {
+				orb_publish(ORB_ID(vehicle_command), _cmd_pub, &vcmd);
+			}
+		}
+	}
+}
+
+void
 MavlinkReceiver::handle_message_optical_flow(mavlink_message_t *msg)
 {
 	/* optical flow */
diff --git a/src/modules/mavlink/mavlink_receiver.h b/src/modules/mavlink/mavlink_receiver.h
index 10661fa88..8b616abd0 100644
--- a/src/modules/mavlink/mavlink_receiver.h
+++ b/src/modules/mavlink/mavlink_receiver.h
@@ -111,6 +111,7 @@ private:
 
 	void handle_message(mavlink_message_t *msg);
 	void handle_message_command_long(mavlink_message_t *msg);
+	void handle_message_command_int(mavlink_message_t *msg);
 	void handle_message_optical_flow(mavlink_message_t *msg);
 	void handle_message_set_mode(mavlink_message_t *msg);
 	void handle_message_vicon_position_estimate(mavlink_message_t *msg);
diff --git a/src/modules/sensors/sensor_params.c b/src/modules/sensors/sensor_params.c
index 7ce6ef5ef..229bfe3ce 100644
--- a/src/modules/sensors/sensor_params.c
+++ b/src/modules/sensors/sensor_params.c
@@ -214,6 +214,16 @@ PARAM_DEFINE_FLOAT(SENS_DPRES_OFF, 0.0f);
  */
 PARAM_DEFINE_FLOAT(SENS_DPRES_ANSC, 0);
 
+/**
+ * QNH for barometer
+ *
+ * @min 500
+ * @max 1500
+ * @group Sensor Calibration
+ * @unit hPa
+ */
+PARAM_DEFINE_FLOAT(SENS_BARO_QNH, 1013.25f);
+
 
 /**
  * Board rotation
diff --git a/src/modules/sensors/sensors.cpp b/src/modules/sensors/sensors.cpp
index 4e8a8c01d..aac297ef8 100644
--- a/src/modules/sensors/sensors.cpp
+++ b/src/modules/sensors/sensors.cpp
@@ -143,6 +143,12 @@
 
 #define STICK_ON_OFF_LIMIT 0.75f
 
+/* oddly, ERROR is not defined for c++ */
+#ifdef ERROR
+# undef ERROR
+#endif
+static const int ERROR = -1;
+
 /**
  * Sensor app start / stop handling function
  *
@@ -235,7 +241,7 @@ private:
 	math::Matrix<3, 3>	_board_rotation;		/**< rotation matrix for the orientation that the board is mounted */
 	math::Matrix<3, 3>	_external_mag_rotation;		/**< rotation matrix for the orientation that an external mag is mounted */
 	bool		_mag_is_external;		/**< true if the active mag is on an external board */
-	
+
 	uint64_t _battery_discharged;			/**< battery discharged current in mA*ms */
 	hrt_abstime _battery_current_timestamp;	/**< timestamp of last battery current reading */
 
@@ -258,7 +264,7 @@ private:
 
 		int board_rotation;
 		int external_mag_rotation;
-		
+
 		float board_offset[3];
 
 		int rc_map_roll;
@@ -301,6 +307,8 @@ private:
 		float battery_voltage_scaling;
 		float battery_current_scaling;
 
+		float baro_qnh;
+
 	}		_parameters;			/**< local copies of interesting parameters */
 
 	struct {
@@ -354,9 +362,11 @@ private:
 
 		param_t board_rotation;
 		param_t external_mag_rotation;
-		
+
 		param_t board_offset[3];
 
+		param_t baro_qnh;
+
 	}		_parameter_handles;		/**< handles for interesting parameters */
 
 
@@ -462,12 +472,6 @@ private:
 namespace sensors
 {
 
-/* oddly, ERROR is not defined for c++ */
-#ifdef ERROR
-# undef ERROR
-#endif
-static const int ERROR = -1;
-
 Sensors	*g_sensors = nullptr;
 }
 
@@ -611,12 +615,15 @@ Sensors::Sensors() :
 	/* rotations */
 	_parameter_handles.board_rotation = param_find("SENS_BOARD_ROT");
 	_parameter_handles.external_mag_rotation = param_find("SENS_EXT_MAG_ROT");
-	
+
 	/* rotation offsets */
 	_parameter_handles.board_offset[0] = param_find("SENS_BOARD_X_OFF");
 	_parameter_handles.board_offset[1] = param_find("SENS_BOARD_Y_OFF");
 	_parameter_handles.board_offset[2] = param_find("SENS_BOARD_Z_OFF");
 
+	/* Barometer QNH */
+	_parameter_handles.baro_qnh = param_find("SENS_BARO_QNH");
+
 	/* fetch initial parameter values */
 	parameters_update();
 }
@@ -828,19 +835,38 @@ Sensors::parameters_update()
 
 	get_rot_matrix((enum Rotation)_parameters.board_rotation, &_board_rotation);
 	get_rot_matrix((enum Rotation)_parameters.external_mag_rotation, &_external_mag_rotation);
-	
+
 	param_get(_parameter_handles.board_offset[0], &(_parameters.board_offset[0]));
 	param_get(_parameter_handles.board_offset[1], &(_parameters.board_offset[1]));
 	param_get(_parameter_handles.board_offset[2], &(_parameters.board_offset[2]));
-	
+
 	/** fine tune board offset on parameter update **/
-	math::Matrix<3, 3> board_rotation_offset; 
+	math::Matrix<3, 3> board_rotation_offset;
 	board_rotation_offset.from_euler( M_DEG_TO_RAD_F * _parameters.board_offset[0],
 							 M_DEG_TO_RAD_F * _parameters.board_offset[1],
 							 M_DEG_TO_RAD_F * _parameters.board_offset[2]);
-	
+
 	_board_rotation = _board_rotation * board_rotation_offset;
 
+	/* update barometer qnh setting */
+	param_get(_parameter_handles.baro_qnh, &(_parameters.baro_qnh));
+	int	fd;
+	fd = open(BARO_DEVICE_PATH, 0);
+	if (fd < 0) {
+		warn("%s", BARO_DEVICE_PATH);
+		errx(1, "FATAL: no barometer found");
+
+	} else {
+		warnx("qnh ioctl, %lu", (unsigned long)(_parameters.baro_qnh * 100));
+		int ret = ioctl(fd, BAROIOCSMSLPRESSURE, (unsigned long)(_parameters.baro_qnh * 100));
+		if (ret) {
+			warnx("qnh could not be set");
+			close(fd);
+			return ERROR;
+		}
+		close(fd);
+	}
+
 	return OK;
 }