Motion capture attitude and position

                time_usec                 : Timestamp (micros since boot or Unix epoch) (uint64_t)
                q                         : Attitude quaternion (w, x, y, z order, zero-rotation is 1, 0, 0, 0) (float)
                x                         : X position in meters (NED) (float)
                y                         : Y position in meters (NED) (float)
                z                         : Z position in meters (NED) (float)

def att_pos_mocap_encode(self, time_usec, q, x, y, z):
                '''
                Motion capture attitude and position

                time_usec                 : Timestamp (micros since boot or Unix epoch) (uint64_t)
                q                         : Attitude quaternion (w, x, y, z order, zero-rotation is 1, 0, 0, 0) (float)
                x                         : X position in meters (NED) (float)
                y                         : Y position in meters (NED) (float)
                z                         : Z position in meters (NED) (float)

                '''
                return MAVLink_att_pos_mocap_message(time_usec, q, x, y, z)