NG_BT3C_W4_PKT_IND
sc->state = NG_BT3C_W4_PKT_IND;
sc->state = NG_BT3C_W4_PKT_IND;
sc->state = NG_BT3C_W4_PKT_IND;
case NG_BT3C_W4_PKT_IND:
sc->state = NG_BT3C_W4_PKT_IND;
sc->state = NG_BT3C_W4_PKT_IND;