/****************************************************************************
*
* 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 mavlink_stream.h
* Mavlink messages stream definition.
*
* @author Anton Babushkin <anton.babushkin@me.com>
*/
#ifndef MAVLINK_STREAM_H_
#define MAVLINK_STREAM_H_
#include <drivers/drv_hrt.h>
class Mavlink;
class MavlinkStream;
#include "mavlink_main.h"
class MavlinkStream
{
private:
hrt_abstime _last_sent;
protected:
mavlink_channel_t _channel;
unsigned int _interval;
virtual void send(const hrt_abstime t) = 0;
public:
MavlinkStream *next;
MavlinkStream();
~MavlinkStream();
void set_interval(const unsigned int interval);
void set_channel(mavlink_channel_t channel);
int update(const hrt_abstime t);
virtual MavlinkStream *new_instance() = 0;
virtual void subscribe(Mavlink *mavlink) = 0;
virtual const char *get_name() = 0;
};
#endif /* MAVLINK_STREAM_H_ */