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#ifndef MAVLINK_TYPES_H_
#define MAVLINK_TYPES_H_

#include "inttypes.h"

enum MAV_CLASS
{
    MAV_CLASS_GENERIC = 0,        ///< Generic autopilot, full support for everything
    MAV_CLASS_PIXHAWK = 1,        ///< PIXHAWK autopilot, http://pixhawk.ethz.ch
    MAV_CLASS_SLUGS = 2,          ///< SLUGS autopilot, http://slugsuav.soe.ucsc.edu
    MAV_CLASS_ARDUPILOTMEGA = 3,  ///< ArduPilotMega / ArduCopter, http://diydrones.com
    MAV_CLASS_OPENPILOT = 4,      ///< OpenPilot, http://openpilot.org
    MAV_CLASS_GENERIC_MISSION_WAYPOINTS_ONLY = 5,  ///< Generic autopilot only supporting simple waypoints
    MAV_CLASS_GENERIC_MISSION_NAVIGATION_ONLY = 6, ///< Generic autopilot supporting waypoints and other simple navigation commands
    MAV_CLASS_GENERIC_MISSION_FULL = 7,            ///< Generic autopilot supporting the full mission command set
    MAV_CLASS_NONE = 8,           ///< No valid autopilot
    MAV_CLASS_NB                  ///< Number of autopilot classes
};

enum MAV_ACTION
{
    MAV_ACTION_HOLD = 0,
    MAV_ACTION_MOTORS_START = 1,
    MAV_ACTION_LAUNCH = 2,
    MAV_ACTION_RETURN = 3,
    MAV_ACTION_EMCY_LAND = 4,
    MAV_ACTION_EMCY_KILL = 5,
    MAV_ACTION_CONFIRM_KILL = 6,
    MAV_ACTION_CONTINUE = 7,
    MAV_ACTION_MOTORS_STOP = 8,
    MAV_ACTION_HALT = 9,
    MAV_ACTION_SHUTDOWN = 10,
    MAV_ACTION_REBOOT = 11,
    MAV_ACTION_SET_MANUAL = 12,
    MAV_ACTION_SET_AUTO = 13,
    MAV_ACTION_STORAGE_READ = 14,
    MAV_ACTION_STORAGE_WRITE = 15,
    MAV_ACTION_CALIBRATE_RC = 16,
    MAV_ACTION_CALIBRATE_GYRO = 17,
    MAV_ACTION_CALIBRATE_MAG = 18,
    MAV_ACTION_CALIBRATE_ACC = 19,
    MAV_ACTION_CALIBRATE_PRESSURE = 20,
    MAV_ACTION_REC_START = 21,
    MAV_ACTION_REC_PAUSE = 22,
    MAV_ACTION_REC_STOP = 23,
    MAV_ACTION_TAKEOFF = 24,
    MAV_ACTION_NAVIGATE = 25,
    MAV_ACTION_LAND = 26,
    MAV_ACTION_LOITER = 27,
    MAV_ACTION_SET_ORIGIN = 28,
    MAV_ACTION_RELAY_ON = 29,
    MAV_ACTION_RELAY_OFF = 30,
    MAV_ACTION_GET_IMAGE = 31,
    MAV_ACTION_VIDEO_START = 32,
    MAV_ACTION_VIDEO_STOP = 33,
    MAV_ACTION_RESET_MAP = 34,
    MAV_ACTION_RESET_PLAN = 35,
    MAV_ACTION_DELAY_BEFORE_COMMAND = 36,
    MAV_ACTION_ASCEND_AT_RATE = 37,
    MAV_ACTION_CHANGE_MODE = 38,
    MAV_ACTION_LOITER_MAX_TURNS = 39,
    MAV_ACTION_LOITER_MAX_TIME = 40,
    MAV_ACTION_START_HILSIM = 41,
    MAV_ACTION_STOP_HILSIM = 42,    
    MAV_ACTION_NB        ///< Number of MAV actions
};

enum MAV_MODE
{
    MAV_MODE_UNINIT = 0,     ///< System is in undefined state
    MAV_MODE_LOCKED = 1,     ///< Motors are blocked, system is safe
    MAV_MODE_MANUAL = 2,     ///< System is allowed to be active, under manual (RC) control
    MAV_MODE_GUIDED = 3,     ///< System is allowed to be active, under autonomous control, manual setpoint
    MAV_MODE_AUTO =   4,     ///< System is allowed to be active, under autonomous control and navigation
    MAV_MODE_TEST1 =  5,     ///< Generic test mode, for custom use
    MAV_MODE_TEST2 =  6,     ///< Generic test mode, for custom use
    MAV_MODE_TEST3 =  7,     ///< Generic test mode, for custom use
    MAV_MODE_READY =  8,     ///< System is ready, motors are unblocked, but controllers are inactive
    MAV_MODE_RC_TRAINING = 9 ///< System is blocked, only RC valued are read and reported back
};

enum MAV_STATE
{
    MAV_STATE_UNINIT = 0,
    MAV_STATE_BOOT,
    MAV_STATE_CALIBRATING,
    MAV_STATE_STANDBY,
    MAV_STATE_ACTIVE,
    MAV_STATE_CRITICAL,
    MAV_STATE_EMERGENCY,
    MAV_STATE_HILSIM,
    MAV_STATE_POWEROFF
};

enum MAV_NAV
{
    MAV_NAV_GROUNDED = 0,
    MAV_NAV_LIFTOFF,
    MAV_NAV_HOLD,
    MAV_NAV_WAYPOINT,
    MAV_NAV_VECTOR,
    MAV_NAV_RETURNING,
    MAV_NAV_LANDING,
    MAV_NAV_LOST,
    MAV_NAV_LOITER,
    MAV_NAV_FREE_DRIFT
};

enum MAV_TYPE
{
    MAV_GENERIC = 0,
    MAV_FIXED_WING = 1,
    MAV_QUADROTOR = 2,
    MAV_COAXIAL = 3,
    MAV_HELICOPTER = 4,
    MAV_GROUND = 5,
    OCU = 6,
    MAV_AIRSHIP = 7,
    MAV_FREE_BALLOON = 8,
    MAV_ROCKET = 9,
    UGV_GROUND_ROVER = 10,
    UGV_SURFACE_SHIP = 11
};

enum MAV_AUTOPILOT_TYPE
{
    MAV_AUTOPILOT_GENERIC = 0,
    MAV_AUTOPILOT_PIXHAWK = 1,
    MAV_AUTOPILOT_SLUGS = 2,
    MAV_AUTOPILOT_ARDUPILOTMEGA = 3,
    MAV_AUTOPILOT_NONE = 4
};

enum MAV_COMPONENT
{
    MAV_COMP_ID_GPS,
    MAV_COMP_ID_WAYPOINTPLANNER,
    MAV_COMP_ID_BLOBTRACKER,
    MAV_COMP_ID_PATHPLANNER,
    MAV_COMP_ID_AIRSLAM,
    MAV_COMP_ID_MAPPER,
    MAV_COMP_ID_CAMERA,
    MAV_COMP_ID_RADIO = 68,
    MAV_COMP_ID_IMU = 200,
    MAV_COMP_ID_IMU_2 = 201,
    MAV_COMP_ID_IMU_3 = 202,
    MAV_COMP_ID_UDP_BRIDGE = 240,
    MAV_COMP_ID_UART_BRIDGE = 241,
    MAV_COMP_ID_SYSTEM_CONTROL = 250
};

enum MAV_FRAME
{
    MAV_FRAME_GLOBAL = 0,
    MAV_FRAME_LOCAL = 1,
    MAV_FRAME_MISSION = 2,
    MAV_FRAME_GLOBAL_RELATIVE_ALT = 3,
    MAV_FRAME_LOCAL_ENU = 4
};

enum MAVLINK_DATA_STREAM_TYPE
{
    MAVLINK_DATA_STREAM_IMG_JPEG,
    MAVLINK_DATA_STREAM_IMG_BMP,
    MAVLINK_DATA_STREAM_IMG_RAW8U,
    MAVLINK_DATA_STREAM_IMG_RAW32U,
    MAVLINK_DATA_STREAM_IMG_PGM,
    MAVLINK_DATA_STREAM_IMG_PNG
};

#ifndef MAVLINK_MAX_PAYLOAD_LEN
// it is possible to override this, but be careful!
#define MAVLINK_MAX_PAYLOAD_LEN 255 ///< Maximum payload length
#endif

#define MAVLINK_CORE_HEADER_LEN 5 ///< Length of core header (of the comm. layer): message length (1 byte) + message sequence (1 byte) + message system id (1 byte) + message component id (1 byte) + message type id (1 byte)
#define MAVLINK_NUM_HEADER_BYTES (MAVLINK_CORE_HEADER_LEN + 1) ///< Length of all header bytes, including core and checksum
#define MAVLINK_NUM_CHECKSUM_BYTES 2
#define MAVLINK_NUM_NON_PAYLOAD_BYTES (MAVLINK_NUM_HEADER_BYTES + MAVLINK_NUM_CHECKSUM_BYTES)

#define MAVLINK_MAX_PACKET_LEN (MAVLINK_MAX_PAYLOAD_LEN + MAVLINK_NUM_NON_PAYLOAD_BYTES) ///< Maximum packet length

#define MAVLINK_MSG_ID_EXTENDED_MESSAGE 255
#define MAVLINK_EXTENDED_HEADER_LEN 14

#if (defined _MSC_VER) | ((defined __APPLE__) & (defined __MACH__)) | (defined __linux__)
  /* full fledged 32bit++ OS */
  #define MAVLINK_MAX_EXTENDED_PACKET_LEN 65507
#else
  /* small microcontrollers */
  #define MAVLINK_MAX_EXTENDED_PACKET_LEN 2048
#endif

#define MAVLINK_MAX_EXTENDED_PAYLOAD_LEN (MAVLINK_MAX_EXTENDED_PACKET_LEN - MAVLINK_EXTENDED_HEADER_LEN - MAVLINK_NUM_NON_PAYLOAD_BYTES)

typedef struct param_union {
        union {
    float param_float;
    int32_t param_int32;
    uint32_t param_uint32;
                uint8_t param_uint8;
                uint8_t bytes[4];
        };
        uint8_t type;
} mavlink_param_union_t;

typedef struct __mavlink_system {
    uint8_t sysid;   ///< Used by the MAVLink message_xx_send() convenience function
    uint8_t compid;  ///< Used by the MAVLink message_xx_send() convenience function
    uint8_t type;    ///< Unused, can be used by user to store the system's type
    uint8_t state;   ///< Unused, can be used by user to store the system's state
    uint8_t mode;    ///< Unused, can be used by user to store the system's mode
    uint8_t nav_mode;    ///< Unused, can be used by user to store the system's navigation mode
} mavlink_system_t;

typedef struct __mavlink_message {
        uint16_t checksum; /// sent at end of packet
        uint8_t magic;   ///< protocol magic marker
        uint8_t len;     ///< Length of payload
        uint8_t seq;     ///< Sequence of packet
        uint8_t sysid;   ///< ID of message sender system/aircraft
        uint8_t compid;  ///< ID of the message sender component
        uint8_t msgid;   ///< ID of message in payload
        uint64_t payload64[(MAVLINK_MAX_PAYLOAD_LEN+MAVLINK_NUM_CHECKSUM_BYTES+7)/8];
} mavlink_message_t;


typedef struct __mavlink_extended_message {
       mavlink_message_t base_msg;
       int32_t extended_payload_len;   ///< Length of extended payload if any
       uint8_t extended_payload[MAVLINK_MAX_EXTENDED_PAYLOAD_LEN];
} mavlink_extended_message_t;


typedef enum {
        MAVLINK_TYPE_CHAR     = 0,
        MAVLINK_TYPE_UINT8_T  = 1,
        MAVLINK_TYPE_INT8_T   = 2,
        MAVLINK_TYPE_UINT16_T = 3,
        MAVLINK_TYPE_INT16_T  = 4,
        MAVLINK_TYPE_UINT32_T = 5,
        MAVLINK_TYPE_INT32_T  = 6,
        MAVLINK_TYPE_UINT64_T = 7,
        MAVLINK_TYPE_INT64_T  = 8,
        MAVLINK_TYPE_FLOAT    = 9,
        MAVLINK_TYPE_DOUBLE   = 10
} mavlink_message_type_t;

#define MAVLINK_MAX_FIELDS 64

typedef struct __mavlink_field_info {
        const char *name;             // name of this field
        const char *print_format;     // printing format hint, or NULL
        mavlink_message_type_t type;  // type of this field
        unsigned int array_length;        // if non-zero, field is an array
        unsigned int wire_offset;         // offset of each field in the payload
        unsigned int structure_offset;    // offset in a C structure
} mavlink_field_info_t;

// note that in this structure the order of fields is the order
// in the XML file, not necessary the wire order
typedef struct __mavlink_message_info {
        const char *name;                                      // name of the message
        unsigned num_fields;                                   // how many fields in this message
        mavlink_field_info_t fields[MAVLINK_MAX_FIELDS];       // field information
} mavlink_message_info_t;

#define _MAV_PAYLOAD(msg) ((const char *)(&((msg)->payload64[0])))
#define _MAV_PAYLOAD_NON_CONST(msg) ((char *)(&((msg)->payload64[0])))

// checksum is immediately after the payload bytes
#define mavlink_ck_a(msg) *((msg)->len + (uint8_t *)_MAV_PAYLOAD_NON_CONST(msg))
#define mavlink_ck_b(msg) *(((msg)->len+(uint16_t)1) + (uint8_t *)_MAV_PAYLOAD_NON_CONST(msg))

typedef enum {
    MAVLINK_COMM_0,
    MAVLINK_COMM_1,
    MAVLINK_COMM_2,
    MAVLINK_COMM_3
} mavlink_channel_t;

/*
 * applications can set MAVLINK_COMM_NUM_BUFFERS to the maximum number
 * of buffers they will use. If more are used, then the result will be
 * a stack overrun
 */
#ifndef MAVLINK_COMM_NUM_BUFFERS
#if (defined linux) | (defined __linux) | (defined  __MACH__) | (defined _WIN32)
# define MAVLINK_COMM_NUM_BUFFERS 16
#else
# define MAVLINK_COMM_NUM_BUFFERS 4
#endif
#endif

typedef enum {
    MAVLINK_PARSE_STATE_UNINIT=0,
    MAVLINK_PARSE_STATE_IDLE,
    MAVLINK_PARSE_STATE_GOT_STX,
    MAVLINK_PARSE_STATE_GOT_SEQ,
    MAVLINK_PARSE_STATE_GOT_LENGTH,
    MAVLINK_PARSE_STATE_GOT_SYSID,
    MAVLINK_PARSE_STATE_GOT_COMPID,
    MAVLINK_PARSE_STATE_GOT_MSGID,
    MAVLINK_PARSE_STATE_GOT_PAYLOAD,
    MAVLINK_PARSE_STATE_GOT_CRC1
} mavlink_parse_state_t; ///< The state machine for the comm parser

typedef struct __mavlink_status {
    uint8_t msg_received;               ///< Number of received messages
    uint8_t buffer_overrun;             ///< Number of buffer overruns
    uint8_t parse_error;                ///< Number of parse errors
    mavlink_parse_state_t parse_state;  ///< Parsing state machine
    uint8_t packet_idx;                 ///< Index in current packet
    uint8_t current_rx_seq;             ///< Sequence number of last packet received
    uint8_t current_tx_seq;             ///< Sequence number of last packet sent
    uint16_t packet_rx_success_count;   ///< Received packets
    uint16_t packet_rx_drop_count;      ///< Number of packet drops
} mavlink_status_t;

#define MAVLINK_BIG_ENDIAN 0
#define MAVLINK_LITTLE_ENDIAN 1

#endif /* MAVLINK_TYPES_H_ */