log_writer_mavlink.h 2.65 KB
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#pragma once

#include <stdint.h>
#include <uORB/Publication.hpp>
#include <uORB/topics/ulog_stream.h>
#include <uORB/topics/ulog_stream_ack.h>

namespace px4
{
namespace logger
{

/**
 * @class LogWriterMavlink
 * Writes logging data to uORB, and then sent via mavlink
 */
class LogWriterMavlink
{
public:
	LogWriterMavlink();
	~LogWriterMavlink();

	bool init();

	void start_log();

	void stop_log();

	bool is_started() const { return _is_started; }

	/** @see LogWriter::write_message() */
	int write_message(void *ptr, size_t size);

	void set_need_reliable_transfer(bool need_reliable);

	bool need_reliable_transfer() const
	{
		return _need_reliable_transfer;
	}

private:

	/** publish message, wait for ack if needed & reset message */
	int publish_message();

	ulog_stream_s _ulog_stream_data{};
	uORB::Publication<ulog_stream_s> _ulog_stream_pub{ORB_ID(ulog_stream)};
	int _ulog_stream_ack_sub{-1};
	bool _need_reliable_transfer{false};
	bool _is_started{false};
};

}
}