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d375b3c3 AG |
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 | ||
ba6383f8 UH |
21 | #ifndef LIBSIGROK_HARDWARE_RADIOSHACK_DMM_RADIOSHACK_DMM_H |
22 | #define LIBSIGROK_HARDWARE_RADIOSHACK_DMM_RADIOSHACK_DMM_H | |
d375b3c3 | 23 | |
dccbd0ed UH |
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 | ||
ba6383f8 | 33 | #define RS_DMM_BUFSIZE 256 |
d375b3c3 | 34 | |
ba6383f8 UH |
35 | #define RS_22_812_PACKET_SIZE 9 |
36 | ||
37 | struct rs_22_812_packet { | |
d375b3c3 AG |
38 | uint8_t mode; |
39 | uint8_t indicatrix1; | |
40 | uint8_t indicatrix2; | |
41 | uint8_t digit4; | |
42 | uint8_t digit3; | |
43 | uint8_t digit2; | |
44 | uint8_t digit1; | |
45 | uint8_t info; | |
46 | uint8_t checksum; | |
ba6383f8 | 47 | }; |
d375b3c3 | 48 | |
d375b3c3 | 49 | /* Private, per-device-instance driver context. */ |
ba6383f8 | 50 | struct dev_context { |
d375b3c3 AG |
51 | uint64_t limit_samples; |
52 | struct sr_serial_dev_inst *serial; | |
53 | char *serialcomm; | |
54 | ||
55 | /* Opaque pointer passed in by the frontend. */ | |
56 | void *cb_data; | |
57 | ||
58 | /* Runtime. */ | |
59 | uint64_t num_samples; | |
60 | uint8_t buf[RS_DMM_BUFSIZE]; | |
61 | size_t bufoffset; | |
62 | size_t buflen; | |
ba6383f8 | 63 | }; |
d375b3c3 | 64 | |
ba6383f8 | 65 | SR_PRIV int radioshack_dmm_receive_data(int fd, int revents, void *cb_data); |
4e172b8f | 66 | SR_PRIV gboolean rs_22_812_packet_valid(const struct rs_22_812_packet *rs_packet); |
d375b3c3 | 67 | |
ba6383f8 | 68 | #endif |