hp-3457a: Implement basic configuration and sampling

[libsigrok.git] / src / hardware / hp-3457a / protocol.h

diff --git a/src/hardware/hp-3457a/protocol.h b/src/hardware/hp-3457a/protocol.h
index a245b7718a39474ea43bd23352d93af3f6d60d1b..407756eb76428fb8a20e9d5f1c6a5cae52bc975f 100644 (file)
--- a/src/hardware/hp-3457a/protocol.h
+++ b/src/hardware/hp-3457a/protocol.h
@@ -21,24 +21,56 @@
 #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;
+};
+
+/* Possible states in an acquisition. */
+enum acquisition_state {
+       ACQ_TRIGGERED_MEASUREMENT,
+       ACQ_REQUESTED_HIRES,
+       ACQ_REQUESTED_RANGE,
+       ACQ_GOT_MEASUREMENT,
+};
+
 /** 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_unit measurement_unit;
+       uint64_t limit_samples;
+       float nplc;
 
        /* Operational state */
-
-       /* Temporary state across callbacks */
-
+       enum acquisition_state acq_state;
+       uint64_t num_samples;
+       double base_measurement;
+       double hires_register;
+       double measurement_range;
 };
 
+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);
+SR_PRIV int hp_3457a_set_nplc(const struct sr_dev_inst *sdi, float nplc);
 
 #endif