2 * This file is part of the libsigrok project.
4 * Copyright (C) 2016 Alexandru Gagniuc <mr.nuke.me@gmail.com>
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 #ifndef LIBSIGROK_HARDWARE_HP_3457A_PROTOCOL_H
21 #define LIBSIGROK_HARDWARE_HP_3457A_PROTOCOL_H
24 #include "libsigrok-internal.h"
26 #define LOG_PREFIX "hp-3457a"
28 /* Information about the rear card option currently installed. */
36 struct rear_card_info {
43 /* Possible states in an acquisition. */
44 enum acquisition_state {
45 ACQ_TRIGGERED_MEASUREMENT,
51 /** Private, per-device-instance driver context. */
53 /* Model-specific information */
54 /* Information about rear card option, or NULL if unknown */
55 const struct rear_card_info *rear_card;
57 /* Acquisition settings */
58 enum sr_mq measurement_mq;
59 enum sr_unit measurement_unit;
60 uint64_t limit_samples;
63 /* Operational state */
64 enum acquisition_state acq_state;
66 double base_measurement;
67 double hires_register;
68 double measurement_range;
71 SR_PRIV const struct rear_card_info *hp_3457a_probe_rear_card(struct sr_scpi_dev_inst *scpi);
72 SR_PRIV int hp_3457a_receive_data(int fd, int revents, void *cb_data);
73 SR_PRIV int hp_3457a_set_mq(const struct sr_dev_inst *sdi, enum sr_mq mq);
74 SR_PRIV int hp_3457a_set_nplc(const struct sr_dev_inst *sdi, float nplc);