+#define NMADMM_BUFSIZE 256
+
+/** Norma DMM request types (used ones only, the multimeters support about 50).
+ */
+enum nmadmm_req_t {
+ NMADMM_REQ_IDN = 0, /**< Request identity */
+ NMADMM_REQ_STATUS, /**< Request device status (value + ...) */
+};
+
+/** Defines requests used to communicate with device. */
+struct nmadmm_req {
+ enum nmadmm_req_t req_t; /** Request type. */
+ const char* reqstr; /** Request string */
+};
+
+/** Strings for requests. */
+extern const struct nmadmm_req nmadmm_requests[];
+