RSU_DEBUG_CALIB
RSU_DPRINTF(sc, RSU_DEBUG_CALIB, "%s: running calibration task\n",
RSU_DPRINTF(sc, RSU_DEBUG_CALIB, "WPS PBC is pushed\n");
RSU_DPRINTF(sc, RSU_DEBUG_CALIB, "%s: RSSI=%d (%d)\n",