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aea4e458 LPC |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2016 Lars-Peter Clausen <lars@metafoo.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 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 | #include <config.h> | |
21 | #include <stdio.h> | |
22 | #include <stdint.h> | |
23 | #include <string.h> | |
24 | #include <ctype.h> | |
25 | #include <libsigrok/libsigrok.h> | |
26 | #include "libsigrok-internal.h" | |
27 | ||
28 | SR_PRIV void sr_sw_limits_init(struct sr_sw_limits *limits) | |
29 | { | |
30 | limits->limit_samples = 0; | |
31 | limits->limit_msec = 0; | |
32 | } | |
33 | ||
34 | SR_PRIV int sr_sw_limits_config_get(struct sr_sw_limits *limits, uint32_t key, | |
35 | GVariant **data) | |
36 | { | |
37 | switch (key) { | |
38 | case SR_CONF_LIMIT_SAMPLES: | |
39 | *data = g_variant_new_uint64(limits->limit_samples); | |
40 | break; | |
41 | case SR_CONF_LIMIT_MSEC: | |
42 | *data = g_variant_new_uint64(limits->limit_msec / 1000); | |
43 | break; | |
44 | default: | |
45 | return SR_ERR_NA; | |
46 | } | |
47 | ||
48 | return SR_OK; | |
49 | } | |
50 | ||
51 | SR_PRIV int sr_sw_limits_config_set(struct sr_sw_limits *limits, uint32_t key, | |
52 | GVariant *data) | |
53 | { | |
54 | switch (key) { | |
55 | case SR_CONF_LIMIT_SAMPLES: | |
56 | limits->limit_samples = g_variant_get_uint64(data); | |
57 | break; | |
58 | case SR_CONF_LIMIT_MSEC: | |
59 | limits->limit_msec = g_variant_get_uint64(data) * 1000; | |
60 | break; | |
61 | default: | |
62 | return SR_ERR_NA; | |
63 | } | |
64 | ||
65 | return SR_OK; | |
66 | } | |
67 | ||
68 | SR_PRIV void sr_sw_limits_acquisition_start(struct sr_sw_limits *limits) | |
69 | { | |
70 | limits->samples_read = 0; | |
71 | limits->start_time = g_get_monotonic_time(); | |
72 | } | |
73 | ||
74 | SR_PRIV gboolean sr_sw_limits_check(struct sr_sw_limits *limits) | |
75 | { | |
76 | if (limits->limit_samples) { | |
77 | if (limits->samples_read >= limits->limit_samples) | |
78 | return TRUE; | |
79 | } | |
80 | ||
81 | if (limits->limit_msec) { | |
82 | guint64 now; | |
83 | now = g_get_monotonic_time(); | |
84 | if (now > limits->start_time && | |
85 | now - limits->start_time > limits->limit_msec) | |
86 | return TRUE; | |
87 | } | |
88 | ||
89 | return FALSE; | |
90 | } | |
91 | ||
92 | SR_PRIV void sr_sw_limits_update_samples_read(struct sr_sw_limits *limits, | |
93 | uint64_t samples_read) | |
94 | { | |
95 | limits->samples_read += samples_read; | |
96 | } |