3ae2186021
this new implementation reduces code size, and also reduces stack usage, while avoiding the gcc union stack bug Note that we will gain even more when we move to the new protocol version, especially in terms of code size git-svn-id: https://arducopter.googlecode.com/svn/trunk@3200 f9c3cf11-9bcb-44bc-f272-b75c42450872
145 lines
4.1 KiB
C
145 lines
4.1 KiB
C
// MESSAGE WAYPOINT_CURRENT PACKING
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#define MAVLINK_MSG_ID_WAYPOINT_CURRENT 42
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typedef struct __mavlink_waypoint_current_t
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{
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uint16_t seq; ///< Sequence
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} mavlink_waypoint_current_t;
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#define MAVLINK_MSG_ID_WAYPOINT_CURRENT_LEN 2
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#define MAVLINK_MSG_ID_42_LEN 2
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#define MAVLINK_MESSAGE_INFO_WAYPOINT_CURRENT { \
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"WAYPOINT_CURRENT", \
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1, \
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{ { "seq", MAVLINK_TYPE_UINT16_T, 0, 0, offsetof(mavlink_waypoint_current_t, seq) }, \
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} \
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}
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/**
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* @brief Pack a waypoint_current message
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* @param system_id ID of this system
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* @param component_id ID of this component (e.g. 200 for IMU)
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* @param msg The MAVLink message to compress the data into
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*
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* @param seq Sequence
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* @return length of the message in bytes (excluding serial stream start sign)
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*/
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static inline uint16_t mavlink_msg_waypoint_current_pack(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg,
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uint16_t seq)
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{
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#if MAVLINK_NEED_BYTE_SWAP || !MAVLINK_ALIGNED_FIELDS
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char buf[2];
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_mav_put_uint16_t(buf, 0, seq);
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memcpy(_MAV_PAYLOAD(msg), buf, 2);
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#else
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mavlink_waypoint_current_t packet;
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packet.seq = seq;
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memcpy(_MAV_PAYLOAD(msg), &packet, 2);
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#endif
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msg->msgid = MAVLINK_MSG_ID_WAYPOINT_CURRENT;
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return mavlink_finalize_message(msg, system_id, component_id, 2);
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}
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/**
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* @brief Pack a waypoint_current message on a channel
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* @param system_id ID of this system
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* @param component_id ID of this component (e.g. 200 for IMU)
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* @param chan The MAVLink channel this message was sent over
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* @param msg The MAVLink message to compress the data into
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* @param seq Sequence
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* @return length of the message in bytes (excluding serial stream start sign)
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*/
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static inline uint16_t mavlink_msg_waypoint_current_pack_chan(uint8_t system_id, uint8_t component_id, uint8_t chan,
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mavlink_message_t* msg,
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uint16_t seq)
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{
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#if MAVLINK_NEED_BYTE_SWAP || !MAVLINK_ALIGNED_FIELDS
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char buf[2];
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_mav_put_uint16_t(buf, 0, seq);
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memcpy(_MAV_PAYLOAD(msg), buf, 2);
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#else
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mavlink_waypoint_current_t packet;
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packet.seq = seq;
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memcpy(_MAV_PAYLOAD(msg), &packet, 2);
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#endif
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msg->msgid = MAVLINK_MSG_ID_WAYPOINT_CURRENT;
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return mavlink_finalize_message_chan(msg, system_id, component_id, chan, 2);
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}
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/**
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* @brief Encode a waypoint_current struct into a message
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*
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* @param system_id ID of this system
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* @param component_id ID of this component (e.g. 200 for IMU)
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* @param msg The MAVLink message to compress the data into
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* @param waypoint_current C-struct to read the message contents from
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*/
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static inline uint16_t mavlink_msg_waypoint_current_encode(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, const mavlink_waypoint_current_t* waypoint_current)
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{
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return mavlink_msg_waypoint_current_pack(system_id, component_id, msg, waypoint_current->seq);
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}
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/**
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* @brief Send a waypoint_current message
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* @param chan MAVLink channel to send the message
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*
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* @param seq Sequence
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*/
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#ifdef MAVLINK_USE_CONVENIENCE_FUNCTIONS
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static inline void mavlink_msg_waypoint_current_send(mavlink_channel_t chan, uint16_t seq)
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{
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#if MAVLINK_NEED_BYTE_SWAP || !MAVLINK_ALIGNED_FIELDS
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char buf[2];
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_mav_put_uint16_t(buf, 0, seq);
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_mav_finalize_message_chan_send(chan, MAVLINK_MSG_ID_WAYPOINT_CURRENT, buf, 2);
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#else
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mavlink_waypoint_current_t packet;
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packet.seq = seq;
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_mav_finalize_message_chan_send(chan, MAVLINK_MSG_ID_WAYPOINT_CURRENT, (const char *)&packet, 2);
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#endif
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}
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#endif
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// MESSAGE WAYPOINT_CURRENT UNPACKING
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/**
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* @brief Get field seq from waypoint_current message
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*
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* @return Sequence
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*/
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static inline uint16_t mavlink_msg_waypoint_current_get_seq(const mavlink_message_t* msg)
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{
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return _MAV_RETURN_uint16_t(msg, 0);
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}
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/**
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* @brief Decode a waypoint_current message into a struct
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*
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* @param msg The message to decode
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* @param waypoint_current C-struct to decode the message contents into
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*/
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static inline void mavlink_msg_waypoint_current_decode(const mavlink_message_t* msg, mavlink_waypoint_current_t* waypoint_current)
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{
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#if MAVLINK_NEED_BYTE_SWAP
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waypoint_current->seq = mavlink_msg_waypoint_current_get_seq(msg);
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#else
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memcpy(waypoint_current, _MAV_PAYLOAD(msg), 2);
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#endif
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}
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