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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 Aurelien Jacobs <aurel@gnuage.org> | |
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 3 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_APPA_55II_PROTOCOL_H | |
21 | #define LIBSIGROK_HARDWARE_APPA_55II_PROTOCOL_H | |
22 | ||
23 | #include <stdint.h> | |
24 | #include <glib.h> | |
25 | #include <libsigrok/libsigrok.h> | |
26 | #include "libsigrok-internal.h" | |
27 | ||
28 | #define LOG_PREFIX "appa-55ii" | |
29 | ||
30 | #define APPA_55II_NUM_CHANNELS 2 | |
31 | #define APPA_55II_BUF_SIZE (4 + 32 + 1) | |
32 | #define DEFAULT_DATA_SOURCE DATA_SOURCE_LIVE | |
33 | ||
34 | enum { | |
35 | DATA_SOURCE_LIVE, | |
36 | DATA_SOURCE_MEMORY, | |
37 | }; | |
38 | ||
39 | /** Private, per-device-instance driver context. */ | |
40 | struct dev_context { | |
41 | /* Acquisition settings */ | |
42 | uint64_t limit_samples; /**< The sampling limit (in number of samples). */ | |
43 | uint64_t limit_msec; /**< The time limit (in milliseconds). */ | |
44 | gboolean data_source; /**< Whether to read live samples or memory */ | |
45 | ||
46 | /* Operational state */ | |
47 | uint64_t num_samples; /**< The number of already received samples. */ | |
48 | int64_t start_time; /**< The time at which sampling started. */ | |
49 | ||
50 | /* Temporary state across callbacks */ | |
51 | uint8_t buf[APPA_55II_BUF_SIZE]; | |
52 | unsigned int buf_len; | |
53 | uint8_t log_buf[64]; | |
54 | unsigned int log_buf_len; | |
55 | unsigned int num_log_records; | |
56 | }; | |
57 | ||
58 | SR_PRIV gboolean appa_55ii_packet_valid(const uint8_t *buf); | |
59 | SR_PRIV int appa_55ii_receive_data(int fd, int revents, void *cb_data); | |
60 | ||
61 | #endif |