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

// MESSAGE DATA_STREAM PACKING

#define MAVLINK_MSG_ID_DATA_STREAM 67

typedef struct __mavlink_data_stream_t {
    uint16_t message_rate; ///< The requested interval between two messages of this type
    uint8_t  stream_id; ///< The ID of the requested data stream
    uint8_t  on_off; ///< 1 stream is enabled, 0 stream is stopped.
} mavlink_data_stream_t;

#define MAVLINK_MSG_ID_DATA_STREAM_LEN 4
#define MAVLINK_MSG_ID_67_LEN          4


#define MAVLINK_MESSAGE_INFO_DATA_STREAM \
    { \
        "DATA_STREAM", \
        3, \
        { \
            { "message_rate", NULL, MAVLINK_TYPE_UINT16_T, 0, 0, offsetof(mavlink_data_stream_t, message_rate) }, \
            { "stream_id", NULL, MAVLINK_TYPE_UINT8_T, 0, 2, offsetof(mavlink_data_stream_t, stream_id) }, \
            { "on_off", NULL, MAVLINK_TYPE_UINT8_T, 0, 3, offsetof(mavlink_data_stream_t, on_off) }, \
        } \
    }


/**
 * @brief Pack a data_stream 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 stream_id The ID of the requested data stream
 * @param message_rate The requested interval between two messages of this type
 * @param on_off 1 stream is enabled, 0 stream is stopped.
 * @return length of the message in bytes (excluding serial stream start sign)
 */
static inline uint16_t mavlink_msg_data_stream_pack(uint8_t system_id, uint8_t component_id, mavlink_message_t *msg,
                                                    uint8_t stream_id, uint16_t message_rate, uint8_t on_off)
{
#if MAVLINK_NEED_BYTE_SWAP || !MAVLINK_ALIGNED_FIELDS
    char buf[4];
    _mav_put_uint16_t(buf, 0, message_rate);
    _mav_put_uint8_t(buf, 2, stream_id);
    _mav_put_uint8_t(buf, 3, on_off);

    memcpy(_MAV_PAYLOAD_NON_CONST(msg), buf, 4);
#else
    mavlink_data_stream_t packet;
    packet.message_rate = message_rate;
    packet.stream_id    = stream_id;
    packet.on_off = on_off;

    memcpy(_MAV_PAYLOAD_NON_CONST(msg), &packet, 4);
#endif

    msg->msgid = MAVLINK_MSG_ID_DATA_STREAM;
    return mavlink_finalize_message(msg, system_id, component_id, 4, 21);
}

/**
 * @brief Pack a data_stream 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 stream_id The ID of the requested data stream
 * @param message_rate The requested interval between two messages of this type
 * @param on_off 1 stream is enabled, 0 stream is stopped.
 * @return length of the message in bytes (excluding serial stream start sign)
 */
static inline uint16_t mavlink_msg_data_stream_pack_chan(uint8_t system_id, uint8_t component_id, uint8_t chan,
                                                         mavlink_message_t *msg,
                                                         uint8_t stream_id, uint16_t message_rate, uint8_t on_off)
{
#if MAVLINK_NEED_BYTE_SWAP || !MAVLINK_ALIGNED_FIELDS
    char buf[4];
    _mav_put_uint16_t(buf, 0, message_rate);
    _mav_put_uint8_t(buf, 2, stream_id);
    _mav_put_uint8_t(buf, 3, on_off);

    memcpy(_MAV_PAYLOAD_NON_CONST(msg), buf, 4);
#else
    mavlink_data_stream_t packet;
    packet.message_rate = message_rate;
    packet.stream_id    = stream_id;
    packet.on_off = on_off;

    memcpy(_MAV_PAYLOAD_NON_CONST(msg), &packet, 4);
#endif

    msg->msgid = MAVLINK_MSG_ID_DATA_STREAM;
    return mavlink_finalize_message_chan(msg, system_id, component_id, chan, 4, 21);
}

/**
 * @brief Encode a data_stream 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 data_stream C-struct to read the message contents from
 */
static inline uint16_t mavlink_msg_data_stream_encode(uint8_t system_id, uint8_t component_id, mavlink_message_t *msg, const mavlink_data_stream_t *data_stream)
{
    return mavlink_msg_data_stream_pack(system_id, component_id, msg, data_stream->stream_id, data_stream->message_rate, data_stream->on_off);
}

/**
 * @brief Send a data_stream message
 * @param chan MAVLink channel to send the message
 *
 * @param stream_id The ID of the requested data stream
 * @param message_rate The requested interval between two messages of this type
 * @param on_off 1 stream is enabled, 0 stream is stopped.
 */
#ifdef MAVLINK_USE_CONVENIENCE_FUNCTIONS

static inline void mavlink_msg_data_stream_send(mavlink_channel_t chan, uint8_t stream_id, uint16_t message_rate, uint8_t on_off)
{
#if MAVLINK_NEED_BYTE_SWAP || !MAVLINK_ALIGNED_FIELDS
    char buf[4];
    _mav_put_uint16_t(buf, 0, message_rate);
    _mav_put_uint8_t(buf, 2, stream_id);
    _mav_put_uint8_t(buf, 3, on_off);

    _mav_finalize_message_chan_send(chan, MAVLINK_MSG_ID_DATA_STREAM, buf, 4, 21);
#else
    mavlink_data_stream_t packet;
    packet.message_rate = message_rate;
    packet.stream_id    = stream_id;
    packet.on_off = on_off;

    _mav_finalize_message_chan_send(chan, MAVLINK_MSG_ID_DATA_STREAM, (const char *)&packet, 4, 21);
#endif
}

#endif // ifdef MAVLINK_USE_CONVENIENCE_FUNCTIONS

// MESSAGE DATA_STREAM UNPACKING


/**
 * @brief Get field stream_id from data_stream message
 *
 * @return The ID of the requested data stream
 */
static inline uint8_t mavlink_msg_data_stream_get_stream_id(const mavlink_message_t *msg)
{
    return _MAV_RETURN_uint8_t(msg, 2);
}

/**
 * @brief Get field message_rate from data_stream message
 *
 * @return The requested interval between two messages of this type
 */
static inline uint16_t mavlink_msg_data_stream_get_message_rate(const mavlink_message_t *msg)
{
    return _MAV_RETURN_uint16_t(msg, 0);
}

/**
 * @brief Get field on_off from data_stream message
 *
 * @return 1 stream is enabled, 0 stream is stopped.
 */
static inline uint8_t mavlink_msg_data_stream_get_on_off(const mavlink_message_t *msg)
{
    return _MAV_RETURN_uint8_t(msg, 3);
}

/**
 * @brief Decode a data_stream message into a struct
 *
 * @param msg The message to decode
 * @param data_stream C-struct to decode the message contents into
 */
static inline void mavlink_msg_data_stream_decode(const mavlink_message_t *msg, mavlink_data_stream_t *data_stream)
{
#if MAVLINK_NEED_BYTE_SWAP
    data_stream->message_rate = mavlink_msg_data_stream_get_message_rate(msg);
    data_stream->stream_id    = mavlink_msg_data_stream_get_stream_id(msg);
    data_stream->on_off = mavlink_msg_data_stream_get_on_off(msg);
#else
    memcpy(data_stream, _MAV_PAYLOAD(msg), 4);
#endif
}