CONTROLLER_ID_UNDERLAY0
case CONTROLLER_ID_UNDERLAY0:
tg110->controller_id = CONTROLLER_ID_UNDERLAY0;
controller_id = CONTROLLER_ID_UNDERLAY0 - 1;
CONTROLLER_ID_MAX = CONTROLLER_ID_UNDERLAY0
#define IS_UNDERLAY_CONTROLLER(ctrlr_id) (ctrlr_id >= CONTROLLER_ID_UNDERLAY0)