]> sigrok.org Git - libsigrok.git/blame_incremental - src/hardware/agilent-dmm/protocol.h
agilent-dmm: U127x: Fix mode switch event handling.
[libsigrok.git] / src / hardware / agilent-dmm / protocol.h
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1/*
2 * This file is part of the libsigrok 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#ifndef LIBSIGROK_HARDWARE_AGILENT_DMM_PROTOCOL_H
21#define LIBSIGROK_HARDWARE_AGILENT_DMM_PROTOCOL_H
22
23#define LOG_PREFIX "agilent-dmm"
24
25#define MAX_CHANNELS 3
26#define AGDMM_BUFSIZE 256
27
28/* Always USB-serial, 1ms is plenty. */
29#define SERIAL_WRITE_TIMEOUT_MS 1
30
31#define DEFAULT_DATA_SOURCE DATA_SOURCE_LIVE
32
33enum {
34 DATA_SOURCE_LIVE,
35 DATA_SOURCE_LOG_HAND,
36 DATA_SOURCE_LOG_TRIG,
37 DATA_SOURCE_LOG_AUTO,
38 DATA_SOURCE_LOG_EXPO,
39};
40
41/* Supported models */
42enum {
43 AGILENT_U1231 = 1,
44 AGILENT_U1232,
45 AGILENT_U1233,
46
47 AGILENT_U1241,
48 AGILENT_U1242,
49
50 KEYSIGHT_U1241C,
51 KEYSIGHT_U1242C,
52
53 AGILENT_U1251,
54 AGILENT_U1252,
55 AGILENT_U1253,
56
57 AGILENT_U1271,
58 AGILENT_U1272,
59 AGILENT_U1273,
60
61 KEYSIGHT_U1281,
62 KEYSIGHT_U1282,
63};
64
65/* Supported device profiles */
66struct agdmm_profile {
67 int model;
68 const char *modelname;
69 int nb_channels;
70 const struct agdmm_job *jobs_live;
71 const struct agdmm_job *jobs_log;
72 const struct agdmm_recv *recvs;
73};
74
75struct dev_context {
76 const struct agdmm_profile *profile;
77 struct sr_sw_limits limits;
78 int data_source;
79
80 const struct agdmm_job *jobs;
81 int current_job;
82 gboolean job_running;
83 gboolean job_again;
84 int64_t jobs_start[8];
85 unsigned char buf[AGDMM_BUFSIZE];
86 int buflen;
87 uint64_t cur_samplerate;
88 struct sr_channel *cur_channel;
89 struct sr_channel *cur_conf;
90 int cur_sample;
91 int cur_mq[MAX_CHANNELS];
92 int cur_unit[MAX_CHANNELS];
93 int cur_mqflags[MAX_CHANNELS];
94 int cur_digits[MAX_CHANNELS];
95 int cur_encoding[MAX_CHANNELS];
96 int cur_exponent[MAX_CHANNELS];
97 int mode_tempaux;
98 int mode_continuity;
99 int mode_squarewave;
100 int mode_dbm_dbv;
101};
102
103enum job_type {
104 JOB_AGAIN = 1,
105 JOB_STOP,
106 JOB_CONF,
107 JOB_STAT,
108 JOB_FETC,
109 JOB_LOG,
110};
111
112struct agdmm_job {
113 enum job_type type;
114 int interval;
115 int (*send) (const struct sr_dev_inst *sdi);
116};
117
118struct agdmm_recv {
119 const char *recv_regex;
120 int (*recv) (const struct sr_dev_inst *sdi, GMatchInfo *match);
121};
122
123SR_PRIV int agdmm_receive_data(int fd, int revents, void *cb_data);
124
125#endif