px4::logger::LogWriterMavlink Class Reference

Writes logging data to uORB, and then sent via mavlink. More...

#include <log_writer_mavlink.h>

Collaboration diagram for px4::logger::LogWriterMavlink:

Public Member Functions
	LogWriterMavlink ()
	~LogWriterMavlink ()
bool	init ()
void	start_log ()
void	stop_log ()
bool	is_started () const
int	write_message (void *ptr, size_t size)
void	set_need_reliable_transfer (bool need_reliable)
bool	need_reliable_transfer () const

Private Member Functions
int	publish_message ()
	publish message, wait for ack if needed & reset message More...

Private Attributes
ulog_stream_s	_ulog_stream_data {}
uORB::PublicationQueued< 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}

Detailed Description

Writes logging data to uORB, and then sent via mavlink.

Definition at line 50 of file log_writer_mavlink.h.

Constructor & Destructor Documentation

LogWriterMavlink()

px4::logger::LogWriterMavlink::LogWriterMavlink

(

)

Definition at line 48 of file log_writer_mavlink.cpp.

References _ulog_stream_data, and ulog_stream_s::length.

~LogWriterMavlink()

px4::logger::LogWriterMavlink::~LogWriterMavlink

(

)

Definition at line 58 of file log_writer_mavlink.cpp.

References _ulog_stream_ack_sub, and orb_unsubscribe().

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Member Function Documentation

init()

bool px4::logger::LogWriterMavlink::init

(

)

Definition at line 53 of file log_writer_mavlink.cpp.

Referenced by px4::logger::LogWriter::init().

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is_started()

bool px4::logger::LogWriterMavlink::is_started ( ) const

inline

Definition at line 62 of file log_writer_mavlink.h.

References _is_started, set_need_reliable_transfer(), and write_message().

Referenced by px4::logger::LogWriter::is_started(), and write_message().

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need_reliable_transfer()

bool px4::logger::LogWriterMavlink::need_reliable_transfer ( ) const

inline

Definition at line 69 of file log_writer_mavlink.h.

References _need_reliable_transfer, and publish_message().

Referenced by px4::logger::LogWriter::need_reliable_transfer().

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publish_message()

int px4::logger::LogWriterMavlink::publish_message ( )

private

publish message, wait for ack if needed & reset message

Definition at line 130 of file log_writer_mavlink.cpp.

References _need_reliable_transfer, _ulog_stream_ack_sub, _ulog_stream_data, _ulog_stream_pub, ulog_stream_s::first_message_offset, ulog_stream_s::flags, hrt_absolute_time(), hrt_abstime, hrt_elapsed_time(), ulog_stream_s::length, ulog_stream_s::msg_sequence, ulog_stream_ack_s::msg_sequence, orb_copy(), ORB_ID, uORB::PublicationQueued< T >::publish(), px4_poll(), stop_log(), timeout_ms, and ulog_stream_s::timestamp.

Referenced by need_reliable_transfer(), set_need_reliable_transfer(), and write_message().

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set_need_reliable_transfer()

void px4::logger::LogWriterMavlink::set_need_reliable_transfer

(

bool

need_reliable

)

Definition at line 118 of file log_writer_mavlink.cpp.

References _need_reliable_transfer, _ulog_stream_data, ulog_stream_s::length, and publish_message().

Referenced by is_started(), and px4::logger::LogWriter::set_need_reliable_transfer().

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start_log()

void px4::logger::LogWriterMavlink::start_log

(

)

Definition at line 65 of file log_writer_mavlink.cpp.

References _is_started, _ulog_stream_ack_sub, _ulog_stream_data, ulog_stream_s::first_message_offset, ulog_stream_s::length, ulog_stream_s::msg_sequence, orb_copy(), ORB_ID, and orb_subscribe().

Referenced by px4::logger::LogWriter::start_log_mavlink().

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stop_log()

void px4::logger::LogWriterMavlink::stop_log

(

)

Definition at line 82 of file log_writer_mavlink.cpp.

References _is_started, _ulog_stream_data, and ulog_stream_s::length.

Referenced by publish_message(), and px4::logger::LogWriter::stop_log_mavlink().

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write_message()

int px4::logger::LogWriterMavlink::write_message	(	void *	ptr,
		size_t	size
	)

See also

LogWriter::write_message()

Definition at line 88 of file log_writer_mavlink.cpp.

References _ulog_stream_data, ulog_stream_s::data, ulog_stream_s::first_message_offset, is_started(), ulog_stream_s::length, math::min(), and publish_message().

Referenced by is_started(), and px4::logger::LogWriter::write_message().

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Member Data Documentation

_is_started

bool px4::logger::LogWriterMavlink::_is_started {false}

private

Definition at line 83 of file log_writer_mavlink.h.

Referenced by is_started(), start_log(), and stop_log().

_need_reliable_transfer

bool px4::logger::LogWriterMavlink::_need_reliable_transfer {false}

private

Definition at line 82 of file log_writer_mavlink.h.

Referenced by need_reliable_transfer(), publish_message(), and set_need_reliable_transfer().

_ulog_stream_ack_sub

int px4::logger::LogWriterMavlink::_ulog_stream_ack_sub {-1}

private

Definition at line 81 of file log_writer_mavlink.h.

Referenced by publish_message(), start_log(), and ~LogWriterMavlink().

_ulog_stream_data

ulog_stream_s px4::logger::LogWriterMavlink::_ulog_stream_data {}

private

Definition at line 79 of file log_writer_mavlink.h.

Referenced by LogWriterMavlink(), publish_message(), set_need_reliable_transfer(), start_log(), stop_log(), and write_message().

_ulog_stream_pub

uORB::PublicationQueued<ulog_stream_s> px4::logger::LogWriterMavlink::_ulog_stream_pub {ORB_ID(ulog_stream)}

private

Definition at line 80 of file log_writer_mavlink.h.

Referenced by publish_message().

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The documentation for this class was generated from the following files:

• src/modules/logger/log_writer_mavlink.h
• src/modules/logger/log_writer_mavlink.cpp