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1 | /* | |
2 | * This file is part of the sigrok-cli project. | |
3 | * | |
4 | * Copyright (C) 2013 Bert Vermeulen <bert@biot.com> | |
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 <glib.h> | |
22 | #include <string.h> | |
23 | #include "sigrok-cli.h" | |
24 | ||
25 | static void free_drvopts(struct sr_config *src) | |
26 | { | |
27 | g_variant_unref(src->data); | |
28 | g_free(src); | |
29 | } | |
30 | ||
31 | GSList *device_scan(void) | |
32 | { | |
33 | struct sr_dev_driver **drivers, *driver; | |
34 | GSList *drvopts, *devices, *tmpdevs, *l; | |
35 | int i; | |
36 | ||
37 | if (opt_drv) { | |
38 | if (!parse_driver(opt_drv, &driver, &drvopts)) | |
39 | return NULL; | |
40 | devices = sr_driver_scan(driver, drvopts); | |
41 | g_slist_free_full(drvopts, (GDestroyNotify)free_drvopts); | |
42 | } else { | |
43 | /* No driver specified, let them all scan on their own. */ | |
44 | devices = NULL; | |
45 | drivers = sr_driver_list(sr_ctx); | |
46 | for (i = 0; drivers[i]; i++) { | |
47 | driver = drivers[i]; | |
48 | if (sr_driver_init(sr_ctx, driver) != SR_OK) { | |
49 | g_critical("Failed to initialize driver."); | |
50 | return NULL; | |
51 | } | |
52 | tmpdevs = sr_driver_scan(driver, NULL); | |
53 | for (l = tmpdevs; l; l = l->next) | |
54 | devices = g_slist_append(devices, l->data); | |
55 | g_slist_free(tmpdevs); | |
56 | } | |
57 | } | |
58 | ||
59 | return devices; | |
60 | } | |
61 | ||
62 | struct sr_channel_group *select_channel_group(struct sr_dev_inst *sdi) | |
63 | { | |
64 | struct sr_channel_group *cg; | |
65 | GSList *l, *channel_groups; | |
66 | ||
67 | if (!opt_channel_group) | |
68 | return NULL; | |
69 | ||
70 | channel_groups = sr_dev_inst_channel_groups_get(sdi); | |
71 | ||
72 | if (!channel_groups) { | |
73 | g_critical("This device does not have any channel groups."); | |
74 | return NULL; | |
75 | } | |
76 | ||
77 | for (l = channel_groups; l; l = l->next) { | |
78 | cg = l->data; | |
79 | if (!g_ascii_strcasecmp(opt_channel_group, cg->name)) { | |
80 | return cg; | |
81 | } | |
82 | } | |
83 | g_critical("Invalid channel group '%s'", opt_channel_group); | |
84 | ||
85 | return NULL; | |
86 | } |