/* Information about rear card option, or NULL if unknown */
const struct rear_card_info *rear_card;
/* Information about rear card option, or NULL if unknown */
const struct rear_card_info *rear_card;
enum sr_mq measurement_mq;
enum sr_mqflag measurement_mq_flags;
enum sr_unit measurement_unit;
enum sr_mq measurement_mq;
enum sr_mqflag measurement_mq_flags;
enum sr_unit measurement_unit;