projects / libsigrok.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | } |