i+=put_uint8_t_by_index(type,i,msg->payload);// Type of the MAV (quadrotor, helicopter, etc., up to 15 types, defined in MAV_TYPE ENUM)
i+=put_uint8_t_by_index(autopilot,i,msg->payload);// Type of the Autopilot: 0: Generic, 1: PIXHAWK, 2: SLUGS, 3: Ardupilot (up to 15 types), defined in MAV_AUTOPILOT_TYPE ENUM
i+=put_uint8_t_by_index(version,i,msg->payload);// MAVLink version