#define LIBSIGROK_HARDWARE_HP_3457A_PROTOCOL_H
#include <stdint.h>
-#include <glib.h>
-#include <libsigrok/libsigrok.h>
#include "libsigrok-internal.h"
#define LOG_PREFIX "hp-3457a"
+/* Information about the rear card option currently installed. */
+enum card_type {
+ CARD_UNKNOWN,
+ REAR_TERMINALS,
+ HP_44491A,
+ HP_44492A,
+};
+
+struct rear_card_info {
+ unsigned int card_id;
+ enum card_type type;
+ const char *name;
+ const char *cg_name;
+ unsigned int num_channels;
+};
+
+/* Possible states in an acquisition. */
+enum acquisition_state {
+ ACQ_TRIGGERED_MEASUREMENT,
+ ACQ_REQUESTED_HIRES,
+ ACQ_REQUESTED_RANGE,
+ ACQ_GOT_MEASUREMENT,
+ ACQ_REQUESTED_CHANNEL_SYNC,
+ ACQ_GOT_CHANNEL_SYNC,
+};
+
+/* Channel connector (front terminals, or rear card. */
+enum channel_conn {
+ CONN_FRONT,
+ CONN_REAR,
+};
+
/** Private, per-device-instance driver context. */
struct dev_context {
/* Model-specific information */
+ /* Information about rear card option, or NULL if unknown */
+ const struct rear_card_info *rear_card;
/* Acquisition settings */
+ enum sr_mq measurement_mq;
+ enum sr_mqflag measurement_mq_flags;
+ enum sr_unit measurement_unit;
+ uint64_t limit_samples;
+ float nplc;
+ GSList *active_channels;
+ unsigned int num_active_channels;
+ struct sr_channel *current_channel;
/* Operational state */
+ enum acquisition_state acq_state;
+ enum channel_conn input_loc;
+ uint64_t num_samples;
+ double base_measurement;
+ double hires_register;
+ double measurement_range;
+ double last_channel_sync;
+};
- /* Temporary state across callbacks */
-
+struct channel_context {
+ enum channel_conn location;
+ int index;
};
+SR_PRIV const struct rear_card_info *hp_3457a_probe_rear_card(struct sr_scpi_dev_inst *scpi);
SR_PRIV int hp_3457a_receive_data(int fd, int revents, void *cb_data);
+SR_PRIV int hp_3457a_set_mq(const struct sr_dev_inst *sdi, enum sr_mq mq,
+ enum sr_mqflag mq_flags);
+SR_PRIV int hp_3457a_set_nplc(const struct sr_dev_inst *sdi, float nplc);
+SR_PRIV int hp_3457a_select_input(const struct sr_dev_inst *sdi,
+ enum channel_conn loc);
+SR_PRIV int hp_3457a_send_scan_list(const struct sr_dev_inst *sdi,
+ unsigned int *channels, size_t len);
#endif