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7dc55d93 AG |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.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_TEKPOWER_DMM_PROTOCOL_H | |
21 | #define LIBSIGROK_HARDWARE_TEKPOWER_DMM_PROTOCOL_H | |
22 | ||
23 | /* Message logging helpers with driver-specific prefix string. */ | |
24 | #define DRIVER_LOG_DOMAIN "tekpower-dmm: " | |
25 | #define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args) | |
26 | #define sr_spew(s, args...) sr_spew(DRIVER_LOG_DOMAIN s, ## args) | |
27 | #define sr_dbg(s, args...) sr_dbg(DRIVER_LOG_DOMAIN s, ## args) | |
28 | #define sr_info(s, args...) sr_info(DRIVER_LOG_DOMAIN s, ## args) | |
29 | #define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args) | |
30 | #define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args) | |
31 | ||
bbabddbd | 32 | #define DMM_BUFSIZE 256 |
7dc55d93 | 33 | |
bbabddbd | 34 | /** Private, per-device-instance driver context. */ |
7dc55d93 | 35 | struct dev_context { |
bbabddbd | 36 | /** The current sampling limit (in number of samples). */ |
7dc55d93 | 37 | uint64_t limit_samples; |
7dc55d93 | 38 | |
bbabddbd | 39 | /** Opaque pointer passed in by the frontend. */ |
7dc55d93 AG |
40 | void *cb_data; |
41 | ||
bbabddbd | 42 | /** The current number of already received samples. */ |
7dc55d93 | 43 | uint64_t num_samples; |
bbabddbd UH |
44 | |
45 | struct sr_serial_dev_inst *serial; | |
46 | char *serialcomm; | |
47 | ||
7dc55d93 | 48 | uint8_t buf[DMM_BUFSIZE]; |
bbabddbd UH |
49 | int bufoffset; |
50 | int buflen; | |
7dc55d93 AG |
51 | }; |
52 | ||
bbabddbd | 53 | SR_PRIV int tekpower_dmm_receive_data(int fd, int revents, void *cb_data); |
7dc55d93 | 54 | |
bbabddbd | 55 | #endif |