mavlink: parameters handling moved to MavlinkParametersManager class

2026-10-28 05:03:34 +08:00 · 2014-07-23 11:03:04 +02:00
parent ee7cd04e4c
commit 4722b609cc
2 changed files with 311 additions and 0 deletions
@@ -0,0 +1,114 @@
+/****************************************************************************
+ *
+ *   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 "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 subscribe() {}
+
+	void send(const hrt_abstime t);
+
+	void send_param(param_t param);
+};