Ardupilot2/libraries/GCS_MAVLink/include/common/mavlink_msg_waypoint_request.h
tridge60@gmail.com 3ae2186021 imported new MAVLink implementation
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
2011-08-31 05:23:18 +00:00

189 lines
6.0 KiB
C

// MESSAGE WAYPOINT_REQUEST PACKING
#define MAVLINK_MSG_ID_WAYPOINT_REQUEST 40
typedef struct __mavlink_waypoint_request_t
{
uint8_t target_system; ///< System ID
uint8_t target_component; ///< Component ID
uint16_t seq; ///< Sequence
} mavlink_waypoint_request_t;
#define MAVLINK_MSG_ID_WAYPOINT_REQUEST_LEN 4
#define MAVLINK_MSG_ID_40_LEN 4
#define MAVLINK_MESSAGE_INFO_WAYPOINT_REQUEST { \
"WAYPOINT_REQUEST", \
3, \
{ { "target_system", MAVLINK_TYPE_UINT8_T, 0, 0, offsetof(mavlink_waypoint_request_t, target_system) }, \
{ "target_component", MAVLINK_TYPE_UINT8_T, 0, 1, offsetof(mavlink_waypoint_request_t, target_component) }, \
{ "seq", MAVLINK_TYPE_UINT16_T, 0, 2, offsetof(mavlink_waypoint_request_t, seq) }, \
} \
}
/**
* @brief Pack a waypoint_request message
* @param system_id ID of this system
* @param component_id ID of this component (e.g. 200 for IMU)
* @param msg The MAVLink message to compress the data into
*
* @param target_system System ID
* @param target_component Component ID
* @param seq Sequence
* @return length of the message in bytes (excluding serial stream start sign)
*/
static inline uint16_t mavlink_msg_waypoint_request_pack(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg,
uint8_t target_system, uint8_t target_component, uint16_t seq)
{
#if MAVLINK_NEED_BYTE_SWAP || !MAVLINK_ALIGNED_FIELDS
char buf[4];
_mav_put_uint8_t(buf, 0, target_system);
_mav_put_uint8_t(buf, 1, target_component);
_mav_put_uint16_t(buf, 2, seq);
memcpy(_MAV_PAYLOAD(msg), buf, 4);
#else
mavlink_waypoint_request_t packet;
packet.target_system = target_system;
packet.target_component = target_component;
packet.seq = seq;
memcpy(_MAV_PAYLOAD(msg), &packet, 4);
#endif
msg->msgid = MAVLINK_MSG_ID_WAYPOINT_REQUEST;
return mavlink_finalize_message(msg, system_id, component_id, 4);
}
/**
* @brief Pack a waypoint_request message on a channel
* @param system_id ID of this system
* @param component_id ID of this component (e.g. 200 for IMU)
* @param chan The MAVLink channel this message was sent over
* @param msg The MAVLink message to compress the data into
* @param target_system System ID
* @param target_component Component ID
* @param seq Sequence
* @return length of the message in bytes (excluding serial stream start sign)
*/
static inline uint16_t mavlink_msg_waypoint_request_pack_chan(uint8_t system_id, uint8_t component_id, uint8_t chan,
mavlink_message_t* msg,
uint8_t target_system,uint8_t target_component,uint16_t seq)
{
#if MAVLINK_NEED_BYTE_SWAP || !MAVLINK_ALIGNED_FIELDS
char buf[4];
_mav_put_uint8_t(buf, 0, target_system);
_mav_put_uint8_t(buf, 1, target_component);
_mav_put_uint16_t(buf, 2, seq);
memcpy(_MAV_PAYLOAD(msg), buf, 4);
#else
mavlink_waypoint_request_t packet;
packet.target_system = target_system;
packet.target_component = target_component;
packet.seq = seq;
memcpy(_MAV_PAYLOAD(msg), &packet, 4);
#endif
msg->msgid = MAVLINK_MSG_ID_WAYPOINT_REQUEST;
return mavlink_finalize_message_chan(msg, system_id, component_id, chan, 4);
}
/**
* @brief Encode a waypoint_request struct into a message
*
* @param system_id ID of this system
* @param component_id ID of this component (e.g. 200 for IMU)
* @param msg The MAVLink message to compress the data into
* @param waypoint_request C-struct to read the message contents from
*/
static inline uint16_t mavlink_msg_waypoint_request_encode(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, const mavlink_waypoint_request_t* waypoint_request)
{
return mavlink_msg_waypoint_request_pack(system_id, component_id, msg, waypoint_request->target_system, waypoint_request->target_component, waypoint_request->seq);
}
/**
* @brief Send a waypoint_request message
* @param chan MAVLink channel to send the message
*
* @param target_system System ID
* @param target_component Component ID
* @param seq Sequence
*/
#ifdef MAVLINK_USE_CONVENIENCE_FUNCTIONS
static inline void mavlink_msg_waypoint_request_send(mavlink_channel_t chan, uint8_t target_system, uint8_t target_component, uint16_t seq)
{
#if MAVLINK_NEED_BYTE_SWAP || !MAVLINK_ALIGNED_FIELDS
char buf[4];
_mav_put_uint8_t(buf, 0, target_system);
_mav_put_uint8_t(buf, 1, target_component);
_mav_put_uint16_t(buf, 2, seq);
_mav_finalize_message_chan_send(chan, MAVLINK_MSG_ID_WAYPOINT_REQUEST, buf, 4);
#else
mavlink_waypoint_request_t packet;
packet.target_system = target_system;
packet.target_component = target_component;
packet.seq = seq;
_mav_finalize_message_chan_send(chan, MAVLINK_MSG_ID_WAYPOINT_REQUEST, (const char *)&packet, 4);
#endif
}
#endif
// MESSAGE WAYPOINT_REQUEST UNPACKING
/**
* @brief Get field target_system from waypoint_request message
*
* @return System ID
*/
static inline uint8_t mavlink_msg_waypoint_request_get_target_system(const mavlink_message_t* msg)
{
return _MAV_RETURN_uint8_t(msg, 0);
}
/**
* @brief Get field target_component from waypoint_request message
*
* @return Component ID
*/
static inline uint8_t mavlink_msg_waypoint_request_get_target_component(const mavlink_message_t* msg)
{
return _MAV_RETURN_uint8_t(msg, 1);
}
/**
* @brief Get field seq from waypoint_request message
*
* @return Sequence
*/
static inline uint16_t mavlink_msg_waypoint_request_get_seq(const mavlink_message_t* msg)
{
return _MAV_RETURN_uint16_t(msg, 2);
}
/**
* @brief Decode a waypoint_request message into a struct
*
* @param msg The message to decode
* @param waypoint_request C-struct to decode the message contents into
*/
static inline void mavlink_msg_waypoint_request_decode(const mavlink_message_t* msg, mavlink_waypoint_request_t* waypoint_request)
{
#if MAVLINK_NEED_BYTE_SWAP
waypoint_request->target_system = mavlink_msg_waypoint_request_get_target_system(msg);
waypoint_request->target_component = mavlink_msg_waypoint_request_get_target_component(msg);
waypoint_request->seq = mavlink_msg_waypoint_request_get_seq(msg);
#else
memcpy(waypoint_request, _MAV_PAYLOAD(msg), 4);
#endif
}