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1 | /* | |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2012 Bert Vermeulen <bert@biot.com> | |
5 | * Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.com> | |
6 | * | |
7 | * This program is free software: you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation, either version 3 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | */ | |
20 | ||
21 | #ifndef LIBSIGROK_HARDWARE_RADIOSHACK_DMM_PROTOCOL_H | |
22 | #define LIBSIGROK_HARDWARE_RADIOSHACK_DMM_PROTOCOL_H | |
23 | ||
24 | /* Message logging helpers with driver-specific prefix string. */ | |
25 | #define DRIVER_LOG_DOMAIN "radioshack-dmm: " | |
26 | #define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args) | |
27 | #define sr_spew(s, args...) sr_spew(DRIVER_LOG_DOMAIN s, ## args) | |
28 | #define sr_dbg(s, args...) sr_dbg(DRIVER_LOG_DOMAIN s, ## args) | |
29 | #define sr_info(s, args...) sr_info(DRIVER_LOG_DOMAIN s, ## args) | |
30 | #define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args) | |
31 | #define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args) | |
32 | ||
33 | #define RS_DMM_BUFSIZE 256 | |
34 | ||
35 | /* Private, per-device-instance driver context. */ | |
36 | struct dev_context { | |
37 | uint64_t limit_samples; | |
38 | struct sr_serial_dev_inst *serial; | |
39 | ||
40 | /* Opaque pointer passed in by the frontend. */ | |
41 | void *cb_data; | |
42 | ||
43 | /* Runtime. */ | |
44 | uint64_t num_samples; | |
45 | uint8_t buf[RS_DMM_BUFSIZE]; | |
46 | size_t bufoffset; | |
47 | size_t buflen; | |
48 | }; | |
49 | ||
50 | SR_PRIV int radioshack_dmm_receive_data(int fd, int revents, void *cb_data); | |
51 | ||
52 | #endif |