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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_FLUKE_DMM_PROTOCOL_H
21#define LIBSIGROK_HARDWARE_FLUKE_DMM_PROTOCOL_H
22
23#define LOG_PREFIX "fluke-dmm"
24
25#define FLUKEDMM_BUFSIZE 256
26
27/* Always USB-serial, 1ms is plenty. */
28#define SERIAL_WRITE_TIMEOUT_MS 1
29
30/* Supported models */
31enum {
32 FLUKE_187 = 1,
33 FLUKE_189,
34 FLUKE_287,
35 FLUKE_190,
36 FLUKE_289,
37};
38
39/* Supported device profiles */
40struct flukedmm_profile {
41 int model;
42 const char *modelname;
43 /* How often to poll, in ms. */
44 int poll_period;
45 /* If no response received, how long to wait before retrying. */
46 int timeout;
47};
48
49struct dev_context {
50 const struct flukedmm_profile *profile;
51 struct sr_sw_limits limits;
52
53 char buf[FLUKEDMM_BUFSIZE];
54 int buflen;
55 int64_t cmd_sent_at;
56 int expect_response;
57 int meas_type;
58 int is_relative;
59 enum sr_mq mq;
60 enum sr_unit unit;
61 enum sr_mqflag mqflags;
62};
63
64SR_PRIV int fluke_receive_data(int fd, int revents, void *cb_data);
65
66#endif