LibrePilot/flight/libraries/mavlink/v1.0/common/mavlink_msg_ping.h

// MESSAGE PING PACKING

#define MAVLINK_MSG_ID_PING 4

typedef struct __mavlink_ping_t {
    uint64_t time_usec; ///< Unix timestamp in microseconds
    uint32_t seq; ///< PING sequence
    uint8_t  target_system; ///< 0: request ping from all receiving systems, if greater than 0: message is a ping response and number is the system id of the requesting system
    uint8_t  target_component; ///< 0: request ping from all receiving components, if greater than 0: message is a ping response and number is the system id of the requesting system
} mavlink_ping_t;

#define MAVLINK_MSG_ID_PING_LEN 14
#define MAVLINK_MSG_ID_4_LEN    14


#define MAVLINK_MESSAGE_INFO_PING \
    { \
        "PING", \
        4, \
        { \
            { "time_usec", NULL, MAVLINK_TYPE_UINT64_T, 0, 0, offsetof(mavlink_ping_t, time_usec) }, \
            { "seq", NULL, MAVLINK_TYPE_UINT32_T, 0, 8, offsetof(mavlink_ping_t, seq) }, \
            { "target_system", NULL, MAVLINK_TYPE_UINT8_T, 0, 12, offsetof(mavlink_ping_t, target_system) }, \
            { "target_component", NULL, MAVLINK_TYPE_UINT8_T, 0, 13, offsetof(mavlink_ping_t, target_component) }, \
        } \
    }


/**
 * @brief Pack a ping 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 time_usec Unix timestamp in microseconds
 * @param seq PING sequence
 * @param target_system 0: request ping from all receiving systems, if greater than 0: message is a ping response and number is the system id of the requesting system
 * @param target_component 0: request ping from all receiving components, if greater than 0: message is a ping response and number is the system id of the requesting system
 * @return length of the message in bytes (excluding serial stream start sign)
 */
static inline uint16_t mavlink_msg_ping_pack(uint8_t system_id, uint8_t component_id, mavlink_message_t *msg,
                                             uint64_t time_usec, uint32_t seq, uint8_t target_system, uint8_t target_component)
{
#if MAVLINK_NEED_BYTE_SWAP || !MAVLINK_ALIGNED_FIELDS
    char buf[14];
    _mav_put_uint64_t(buf, 0, time_usec);
    _mav_put_uint32_t(buf, 8, seq);
    _mav_put_uint8_t(buf, 12, target_system);
    _mav_put_uint8_t(buf, 13, target_component);

    memcpy(_MAV_PAYLOAD_NON_CONST(msg), buf, 14);
#else
    mavlink_ping_t packet;
    packet.time_usec        = time_usec;
    packet.seq = seq;
    packet.target_system    = target_system;
    packet.target_component = target_component;

    memcpy(_MAV_PAYLOAD_NON_CONST(msg), &packet, 14);
#endif

    msg->msgid = MAVLINK_MSG_ID_PING;
    return mavlink_finalize_message(msg, system_id, component_id, 14, 237);
}

/**
 * @brief Pack a ping 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 time_usec Unix timestamp in microseconds
 * @param seq PING sequence
 * @param target_system 0: request ping from all receiving systems, if greater than 0: message is a ping response and number is the system id of the requesting system
 * @param target_component 0: request ping from all receiving components, if greater than 0: message is a ping response and number is the system id of the requesting system
 * @return length of the message in bytes (excluding serial stream start sign)
 */
static inline uint16_t mavlink_msg_ping_pack_chan(uint8_t system_id, uint8_t component_id, uint8_t chan,
                                                  mavlink_message_t *msg,
                                                  uint64_t time_usec, uint32_t seq, uint8_t target_system, uint8_t target_component)
{
#if MAVLINK_NEED_BYTE_SWAP || !MAVLINK_ALIGNED_FIELDS
    char buf[14];
    _mav_put_uint64_t(buf, 0, time_usec);
    _mav_put_uint32_t(buf, 8, seq);
    _mav_put_uint8_t(buf, 12, target_system);
    _mav_put_uint8_t(buf, 13, target_component);

    memcpy(_MAV_PAYLOAD_NON_CONST(msg), buf, 14);
#else
    mavlink_ping_t packet;
    packet.time_usec        = time_usec;
    packet.seq = seq;
    packet.target_system    = target_system;
    packet.target_component = target_component;

    memcpy(_MAV_PAYLOAD_NON_CONST(msg), &packet, 14);
#endif

    msg->msgid = MAVLINK_MSG_ID_PING;
    return mavlink_finalize_message_chan(msg, system_id, component_id, chan, 14, 237);
}

/**
 * @brief Encode a ping 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 ping C-struct to read the message contents from
 */
static inline uint16_t mavlink_msg_ping_encode(uint8_t system_id, uint8_t component_id, mavlink_message_t *msg, const mavlink_ping_t *ping)
{
    return mavlink_msg_ping_pack(system_id, component_id, msg, ping->time_usec, ping->seq, ping->target_system, ping->target_component);
}

/**
 * @brief Send a ping message
 * @param chan MAVLink channel to send the message
 *
 * @param time_usec Unix timestamp in microseconds
 * @param seq PING sequence
 * @param target_system 0: request ping from all receiving systems, if greater than 0: message is a ping response and number is the system id of the requesting system
 * @param target_component 0: request ping from all receiving components, if greater than 0: message is a ping response and number is the system id of the requesting system
 */
#ifdef MAVLINK_USE_CONVENIENCE_FUNCTIONS

static inline void mavlink_msg_ping_send(mavlink_channel_t chan, uint64_t time_usec, uint32_t seq, uint8_t target_system, uint8_t target_component)
{
#if MAVLINK_NEED_BYTE_SWAP || !MAVLINK_ALIGNED_FIELDS
    char buf[14];
    _mav_put_uint64_t(buf, 0, time_usec);
    _mav_put_uint32_t(buf, 8, seq);
    _mav_put_uint8_t(buf, 12, target_system);
    _mav_put_uint8_t(buf, 13, target_component);

    _mav_finalize_message_chan_send(chan, MAVLINK_MSG_ID_PING, buf, 14, 237);
#else
    mavlink_ping_t packet;
    packet.time_usec        = time_usec;
    packet.seq = seq;
    packet.target_system    = target_system;
    packet.target_component = target_component;

    _mav_finalize_message_chan_send(chan, MAVLINK_MSG_ID_PING, (const char *)&packet, 14, 237);
#endif
}

#endif // ifdef MAVLINK_USE_CONVENIENCE_FUNCTIONS

// MESSAGE PING UNPACKING


/**
 * @brief Get field time_usec from ping message
 *
 * @return Unix timestamp in microseconds
 */
static inline uint64_t mavlink_msg_ping_get_time_usec(const mavlink_message_t *msg)
{
    return _MAV_RETURN_uint64_t(msg, 0);
}

/**
 * @brief Get field seq from ping message
 *
 * @return PING sequence
 */
static inline uint32_t mavlink_msg_ping_get_seq(const mavlink_message_t *msg)
{
    return _MAV_RETURN_uint32_t(msg, 8);
}

/**
 * @brief Get field target_system from ping message
 *
 * @return 0: request ping from all receiving systems, if greater than 0: message is a ping response and number is the system id of the requesting system
 */
static inline uint8_t mavlink_msg_ping_get_target_system(const mavlink_message_t *msg)
{
    return _MAV_RETURN_uint8_t(msg, 12);
}

/**
 * @brief Get field target_component from ping message
 *
 * @return 0: request ping from all receiving components, if greater than 0: message is a ping response and number is the system id of the requesting system
 */
static inline uint8_t mavlink_msg_ping_get_target_component(const mavlink_message_t *msg)
{
    return _MAV_RETURN_uint8_t(msg, 13);
}

/**
 * @brief Decode a ping message into a struct
 *
 * @param msg The message to decode
 * @param ping C-struct to decode the message contents into
 */
static inline void mavlink_msg_ping_decode(const mavlink_message_t *msg, mavlink_ping_t *ping)
{
#if MAVLINK_NEED_BYTE_SWAP
    ping->time_usec        = mavlink_msg_ping_get_time_usec(msg);
    ping->seq = mavlink_msg_ping_get_seq(msg);
    ping->target_system    = mavlink_msg_ping_get_target_system(msg);
    ping->target_component = mavlink_msg_ping_get_target_component(msg);
#else
    memcpy(ping, _MAV_PAYLOAD(msg), 14);
#endif
}