sensor_data_t
sensor_data_t sd_value;
sensor_data_t sd_lo;
sensor_data_t sd_hi;
sensor_data_t sd_lo_warn;
sensor_data_t sd_hi_warn;
sensor_data_t lo; /* sd_lo */
sensor_data_t hi; /* sd_hi */
sensor_data_t value; /* sd_value */
sensor_data_t lo_warn; /* sd_lo_warn */
sensor_data_t hi_warn; /* sd_hi_warn */