]>
Commit | Line | Data |
---|---|---|
bfd48770 MH |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 Matthias Heidbrink <m-sigrok@heidbrink.biz> | |
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_NORMA_DMM_PROTOCOL_H | |
21 | #define LIBSIGROK_HARDWARE_NORMA_DMM_PROTOCOL_H | |
22 | ||
23 | #include <stdint.h> | |
e790bd5c UH |
24 | #include <string.h> |
25 | #include <ctype.h> | |
e790bd5c | 26 | #include <math.h> |
bfd48770 | 27 | #include <glib.h> |
c1aae900 | 28 | #include <libsigrok/libsigrok.h> |
bfd48770 MH |
29 | #include "libsigrok-internal.h" |
30 | ||
3544f848 | 31 | #define LOG_PREFIX "norma-dmm" |
bfd48770 | 32 | |
d9251a2c | 33 | #define NMADMM_BUFSIZE 256 |
f8e76e2e | 34 | |
a4e435eb MH |
35 | #define NMADMM_TIMEOUT_MS 2000 /**< Request timeout. */ |
36 | ||
e790bd5c UH |
37 | /** Norma DMM request types (used ones only, the DMMs support about 50). */ |
38 | enum { | |
f8e76e2e MH |
39 | NMADMM_REQ_IDN = 0, /**< Request identity */ |
40 | NMADMM_REQ_STATUS, /**< Request device status (value + ...) */ | |
41 | }; | |
42 | ||
43 | /** Defines requests used to communicate with device. */ | |
44 | struct nmadmm_req { | |
e790bd5c UH |
45 | int req_type; /**< Request type. */ |
46 | const char *req_str; /**< Request string. */ | |
f8e76e2e MH |
47 | }; |
48 | ||
49 | /** Strings for requests. */ | |
50 | extern const struct nmadmm_req nmadmm_requests[]; | |
51 | ||
bfd48770 | 52 | struct dev_context { |
e790bd5c UH |
53 | int type; /**< DM9x0, e.g. 5 = DM950 */ |
54 | ||
37dbffd1 | 55 | struct sr_sw_limits limits; |
bfd48770 | 56 | |
e790bd5c | 57 | int last_req; /**< Last request. */ |
a4e435eb | 58 | int64_t req_sent_at; /**< Request sent. */ |
e790bd5c UH |
59 | gboolean last_req_pending; /**< Last request not answered yet. */ |
60 | int lowbatt; /**< Low battery. 1=low, 2=critical. */ | |
61 | ||
e790bd5c | 62 | uint8_t buf[NMADMM_BUFSIZE]; /**< Buffer for read callback */ |
f8e76e2e | 63 | int buflen; /**< Data len in buf */ |
bfd48770 MH |
64 | }; |
65 | ||
66 | SR_PRIV int norma_dmm_receive_data(int fd, int revents, void *cb_data); | |
f8e76e2e | 67 | SR_PRIV int xgittoint(char xgit); |
bfd48770 MH |
68 | |
69 | #endif |