#define LIBSIGROK_HARDWARE_NORMA_DMM_PROTOCOL_H
#include <stdint.h>
+#include <string.h>
+#include <ctype.h>
+#include <errno.h>
+#include <math.h>
#include <glib.h>
#include "libsigrok.h"
#include "libsigrok-internal.h"
#define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args)
#define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args)
+#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[];
+
/** Private, per-device-instance driver context. */
struct dev_context {
/* Model-specific information */
+ char *version; /**< Version string */
+ int type; /**< DM9x0, e.g. 5 = DM950 */
/* Acquisition settings */
+ uint64_t limit_samples; /**< Target number of samples */
+ uint64_t limit_msec; /**< Target sampling time */
+
+ /* Opaque pointer passed in by frontend. */
+ void *cb_data;
/* Operational state */
+ int last_req; /**< Last request. */
+ gboolean last_req_pending; /**< Last request not answered yet. */
+ int lowbatt; /**< Low battery. 1=low, 2=critical. */
/* Temporary state across callbacks */
-
+ uint64_t num_samples; /**< Current #samples. */
+ GTimer *elapsed_msec; /**< Used for limit_msec */
+ uint8_t buf[NMADMM_BUFSIZE]; /**< Buffer for read callback */
+ int buflen; /**< Data len in buf */
};
SR_PRIV int norma_dmm_receive_data(int fd, int revents, void *cb_data);
+SR_PRIV int xgittoint(char xgit);
#endif