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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 AGILENT_U1273AX,
61
62 KEYSIGHT_U1281,
63 KEYSIGHT_U1282,
64};
65
66/* Supported device profiles */
67struct agdmm_profile {
68 int model;
69 const char *modelname;
70 int nb_channels;
71 const struct agdmm_job *jobs_live;
72 const struct agdmm_job *jobs_log;
73 const struct agdmm_recv *recvs;
74};
75
76struct dev_context {
77 const struct agdmm_profile *profile;
78 struct sr_sw_limits limits;
79 int data_source;
80
81 const struct agdmm_job *jobs;
82 int current_job;
83 gboolean job_running;
84 gboolean job_again;
85 int64_t jobs_start[8];
86 unsigned char buf[AGDMM_BUFSIZE];
87 int buflen;
88 uint64_t cur_samplerate;
89 struct sr_channel *cur_channel;
90 struct sr_channel *cur_conf;
91 int cur_sample;
92 int cur_mq[MAX_CHANNELS];
93 int cur_unit[MAX_CHANNELS];
94 int cur_mqflags[MAX_CHANNELS];
95 int cur_digits[MAX_CHANNELS];
96 int cur_encoding[MAX_CHANNELS];
97 int cur_exponent[MAX_CHANNELS];
98 int mode_tempaux;
99 int mode_continuity;
100 int mode_squarewave;
101 int mode_dbm_dbv;
102};
103
104enum job_type {
105 JOB_AGAIN = 1,
106 JOB_STOP,
107 JOB_CONF,
108 JOB_STAT,
109 JOB_FETC,
110 JOB_LOG,
111};
112
113struct agdmm_job {
114 enum job_type type;
115 int interval;
116 int (*send) (const struct sr_dev_inst *sdi);
117};
118
119struct agdmm_recv {
120 const char *recv_regex;
121 int (*recv) (const struct sr_dev_inst *sdi, GMatchInfo *match);
122};
123
124SR_PRIV int agdmm_receive_data(int fd, int revents, void *cb_data);
125
126#endif