public void setWPPartialUpdate(ushort startwp, ushort endwp)
{
mavlink_mission_write_partial_list_t req = new mavlink_mission_write_partial_list_t();
req.target_system = MAV.sysid;
req.target_component = MAV.compid;
req.start_index = (short) startwp;
req.end_index = (short) endwp;
generatePacket((byte) MAVLINK_MSG_ID.MISSION_WRITE_PARTIAL_LIST, req);
}