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79081ec8 | 1 | /* |
50985c20 | 2 | * This file is part of the libsigrok project. |
79081ec8 | 3 | * |
bc653a56 | 4 | * Copyright (C) 2012-2013 Uwe Hermann <uwe@hermann-uwe.de> |
79081ec8 UH |
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, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #ifndef LIBSIGROK_HARDWARE_UNI_T_DMM_PROTOCOL_H | |
22 | #define LIBSIGROK_HARDWARE_UNI_T_DMM_PROTOCOL_H | |
23 | ||
24 | #include <stdint.h> | |
25 | #include <glib.h> | |
26 | #include <libusb.h> | |
c1aae900 | 27 | #include <libsigrok/libsigrok.h> |
79081ec8 UH |
28 | #include "libsigrok-internal.h" |
29 | ||
3544f848 | 30 | #define LOG_PREFIX "uni-t-dmm" |
79081ec8 | 31 | |
c8852687 | 32 | struct dmm_info { |
f0540611 | 33 | struct sr_dev_driver di; |
2c240774 UH |
34 | const char *vendor; |
35 | const char *device; | |
c8852687 UH |
36 | uint32_t baudrate; |
37 | int packet_size; | |
c8852687 UH |
38 | gboolean (*packet_valid)(const uint8_t *); |
39 | int (*packet_parse)(const uint8_t *, float *, | |
dff60e3c UH |
40 | struct sr_datafeed_analog *, void *); |
41 | void (*dmm_details)(struct sr_datafeed_analog *, void *); | |
f0540611 | 42 | gsize info_size; |
c8852687 UH |
43 | }; |
44 | ||
79081ec8 | 45 | #define CHUNK_SIZE 8 |
bc653a56 UH |
46 | |
47 | #define DMM_BUFSIZE 256 | |
79081ec8 UH |
48 | |
49 | /** Private, per-device-instance driver context. */ | |
50 | struct dev_context { | |
8a63a406 | 51 | struct sr_sw_limits limits; |
c5ffac41 | 52 | |
bc653a56 UH |
53 | gboolean first_run; |
54 | ||
55 | uint8_t protocol_buf[DMM_BUFSIZE]; | |
56 | uint8_t bufoffset; | |
57 | uint8_t buflen; | |
79081ec8 UH |
58 | }; |
59 | ||
f0540611 | 60 | SR_PRIV int uni_t_dmm_receive_data(int fd, int revents, void *cb_data); |
79081ec8 UH |
61 | |
62 | #endif |