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+/****************************************************************************
+ *
+ * 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
+ * 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 mavlink_parameters.h
+ * Mavlink parameters manager definition.
+ *
+ * @author Anton Babushkin <anton.babushkin@me.com>
+ */
+
+#pragma once
+
+#include <systemlib/param/param.h>
+
+#include "mavlink_bridge_header.h"
+#include "mavlink_stream.h"
+
+class MavlinkParametersManager : public MavlinkStream
+{
+public:
+ const char *get_name() const
+ {
+ return MavlinkParametersManager::get_name_static();
+ }
+
+ static const char *get_name_static()
+ {
+ return "PARAM_VALUE";
+ }
+
+ uint8_t get_id()
+ {
+ return MAVLINK_MSG_ID_PARAM_VALUE;
+ }
+
+ static MavlinkStream *new_instance(Mavlink *mavlink)
+ {
+ return new MavlinkParametersManager(mavlink);
+ }
+
+ unsigned get_size();
+
+ void handle_message(const mavlink_message_t *msg);
+
+ /**
+ * Send one parameter identified by index.
+ *
+ * @param index The index of the parameter to send.
+ * @return zero on success, nonzero else.
+ */
+ void start_send_one(int index);
+
+
+ /**
+ * Send one parameter identified by name.
+ *
+ * @param name The index of the parameter to send.
+ * @return zero on success, nonzero else.
+ */
+ int start_send_for_name(const char *name);
+
+ /**
+ * Start sending the parameter queue.
+ *
+ * This function will not directly send parameters, but instead
+ * activate the sending of one parameter on each call of
+ * mavlink_pm_queued_send().
+ * @see mavlink_pm_queued_send()
+ */
+ void start_send_all();
+
+private:
+ int _send_all_index;
+
+ /* do not allow top copying this class */
+ MavlinkParametersManager(MavlinkParametersManager &);
+ MavlinkParametersManager& operator = (const MavlinkParametersManager &);
+
+protected:
+ explicit MavlinkParametersManager(Mavlink *mavlink);
+
+ void send(const hrt_abstime t);
+
+ void send_param(param_t param);
+};