]> sigrok.org Git - libsigrok.git/blame - hardware/agilent-dmm/agilent-dmm.h
sr: mostly finished Agilent DMM driver
[libsigrok.git] / hardware / agilent-dmm / agilent-dmm.h
CommitLineData
e93cdf42
BV
1/*
2 * This file is part of the sigrok project.
3 *
4 * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
5 *
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.
10 *
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.
15 *
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/>.
18 */
19
20
21#ifndef LIBSIGROK_AGILENT_DMM_H
22#define LIBSIGROK_AGILENT_DMM_H
23
24#define AGDMM_BUFSIZE 256
25
26/* Supported models */
27enum {
28 AGILENT_U1232A = 1,
29};
30
31/* Supported device profiles */
32struct agdmm_profile {
33 int model;
34 const char *modelname;
35 int serial_speed;
36 const struct agdmm_job *jobs;
37 const struct agdmm_recv *recvs;
38};
39
40/* Private driver context. */
41struct drv_context {
42 GSList *instances;
43};
44
45/* Private, per-device-instance driver context. */
46struct dev_context {
47 const struct agdmm_profile *profile;
48 uint64_t limit_samples;
49 uint64_t limit_msec;
50 struct sr_serial_dev_inst *serial;
51
52 /* Opaque pointer passed in by the frontend. */
53 void *cb_data;
54
55 /* Runtime. */
56 uint64_t num_samples;
57 int64_t jobqueue[8];
58 unsigned char buf[AGDMM_BUFSIZE];
59 int buflen;
60 int cur_mq;
61 int cur_mq_unit;
62 int cur_mq_flags;
63 int cur_divider;
64 int cur_acdc;
65};
66
67struct agdmm_job {
68 int interval;
69 int (*send) (const struct sr_dev_inst *sdi);
70};
71
72struct agdmm_recv {
73 const char *recv_regex;
74 int (*recv) (const struct sr_dev_inst *sdi, GMatchInfo *match);
75};
76
77SR_PRIV int agdmm_receive_data(int fd, int revents, void *cb_data);
78
79#endif /* LIBSIGROK_AGILENT_DMM_H */