mirror of
https://gitee.com/mirrors_PX4/PX4-Autopilot.git
synced 2026-07-02 06:20:34 +08:00
Lorenz Meier
88 lines
2.7 KiB
C++
88 lines
2.7 KiB
C++
/****************************************************************************
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*
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* Copyright (c) 2014 PX4 Development Team. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name PX4 nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/**
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* @file mavlink_stream.h
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* Mavlink messages stream definition.
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*
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* @author Anton Babushkin <anton.babushkin@me.com>
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*/
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#ifndef MAVLINK_STREAM_H_
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#define MAVLINK_STREAM_H_
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#include <drivers/drv_hrt.h>
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class Mavlink;
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class MavlinkStream;
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#include "mavlink_main.h"
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class MavlinkStream
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{
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public:
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MavlinkStream *next;
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MavlinkStream();
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virtual ~MavlinkStream();
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void set_interval(const unsigned int interval);
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void set_channel(mavlink_channel_t channel);
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/**
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* @return 0 if updated / sent, -1 if unchanged
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*/
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int update(const hrt_abstime t);
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static MavlinkStream *new_instance();
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static const char *get_name_static();
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virtual void subscribe(Mavlink *mavlink) = 0;
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virtual const char *get_name() const = 0;
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virtual uint8_t get_id() = 0;
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protected:
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mavlink_channel_t _channel;
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unsigned int _interval;
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virtual void send(const hrt_abstime t) = 0;
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private:
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hrt_abstime _last_sent;
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/* do not allow top copying this class */
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MavlinkStream(const MavlinkStream&);
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MavlinkStream& operator=(const MavlinkStream&);
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};
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#endif /* MAVLINK_STREAM_H_ */
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