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