APS_SENSOR_XVAR
sc->sensors[APS_SENSOR_XVAR].type = SENSOR_INTEGER;
snprintf(sc->sensors[APS_SENSOR_XVAR].desc,
sizeof(sc->sensors[APS_SENSOR_XVAR].desc), "X_VAR");
sc->sensors[APS_SENSOR_XVAR].value = sc->aps_data.x_var;