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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2015 Uwe Hermann <uwe@hermann-uwe.de> | |
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 2 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_KERN_SCALE_PROTOCOL_H | |
21 | #define LIBSIGROK_HARDWARE_KERN_SCALE_PROTOCOL_H | |
22 | ||
23 | #define LOG_PREFIX "kern-scale" | |
24 | ||
25 | struct scale_info { | |
26 | /** libsigrok driver info struct. */ | |
27 | struct sr_dev_driver di; | |
28 | /** Manufacturer/brand. */ | |
29 | const char *vendor; | |
30 | /** Model. */ | |
31 | const char *device; | |
32 | /** serialconn string. */ | |
33 | const char *conn; | |
34 | /** Packet size in bytes. */ | |
35 | int packet_size; | |
36 | /** Packet validation function. */ | |
37 | gboolean (*packet_valid)(const uint8_t *); | |
38 | /** Packet parsing function. */ | |
39 | int (*packet_parse)(const uint8_t *, float *, | |
40 | struct sr_datafeed_analog *, void *); | |
41 | /** Size of chipset info struct. */ | |
42 | gsize info_size; | |
43 | }; | |
44 | ||
45 | #define SCALE_BUFSIZE 256 | |
46 | ||
47 | struct dev_context { | |
48 | struct sr_sw_limits limits; | |
49 | ||
50 | uint8_t buf[SCALE_BUFSIZE]; | |
51 | int bufoffset; | |
52 | int buflen; | |
53 | }; | |
54 | ||
55 | SR_PRIV int kern_scale_receive_data(int fd, int revents, void *cb_data); | |
56 | ||
57 | #endif |