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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 */ | |
31 | enum { | |
32 | FLUKE_187 = 1, | |
33 | FLUKE_189, | |
34 | FLUKE_287, | |
35 | FLUKE_190, | |
36 | FLUKE_289, | |
37 | }; | |
38 | ||
39 | /* Supported device profiles */ | |
40 | struct 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 | ||
49 | /* Private, per-device-instance driver context. */ | |
50 | struct dev_context { | |
51 | const struct flukedmm_profile *profile; | |
52 | struct sr_sw_limits limits; | |
53 | ||
54 | /* Runtime. */ | |
55 | char buf[FLUKEDMM_BUFSIZE]; | |
56 | int buflen; | |
57 | int64_t cmd_sent_at; | |
58 | int expect_response; | |
59 | int meas_type; | |
60 | int is_relative; | |
61 | enum sr_mq mq; | |
62 | enum sr_unit unit; | |
63 | enum sr_mqflag mqflags; | |
64 | }; | |
65 | ||
66 | SR_PRIV int fluke_receive_data(int fd, int revents, void *cb_data); | |
67 | ||
68 | #endif |