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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2012-2013 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_UNI_T_DMM_PROTOCOL_H | |
21 | #define LIBSIGROK_HARDWARE_UNI_T_DMM_PROTOCOL_H | |
22 | ||
23 | #include <stdint.h> | |
24 | #include <glib.h> | |
25 | #include <libusb.h> | |
26 | #include <libsigrok/libsigrok.h> | |
27 | #include "libsigrok-internal.h" | |
28 | ||
29 | #define LOG_PREFIX "uni-t-dmm" | |
30 | ||
31 | struct dmm_info { | |
32 | struct sr_dev_driver di; | |
33 | const char *vendor; | |
34 | const char *device; | |
35 | uint32_t baudrate; | |
36 | int packet_size; | |
37 | gboolean (*packet_valid)(const uint8_t *); | |
38 | int (*packet_parse)(const uint8_t *, float *, | |
39 | struct sr_datafeed_analog *, void *); | |
40 | void (*dmm_details)(struct sr_datafeed_analog *, void *); | |
41 | gsize info_size; | |
42 | }; | |
43 | ||
44 | #define CHUNK_SIZE 8 | |
45 | ||
46 | #define DMM_BUFSIZE 256 | |
47 | ||
48 | struct dev_context { | |
49 | struct sr_sw_limits limits; | |
50 | ||
51 | gboolean first_run; | |
52 | ||
53 | uint8_t protocol_buf[DMM_BUFSIZE]; | |
54 | uint8_t bufoffset; | |
55 | uint8_t buflen; | |
56 | }; | |
57 | ||
58 | SR_PRIV int uni_t_dmm_receive_data(int fd, int revents, void *cb_data); | |
59 | ||
60 | #endif |