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a1bb33af UH |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2010 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 <stdio.h> | |
21 | #include <glib.h> | |
1b452b85 | 22 | #include <sigrok.h> |
b08024a8 | 23 | #include <sigrok-internal.h> |
a1bb33af | 24 | |
a00ba012 | 25 | extern struct sr_global *global; |
a1bb33af UH |
26 | |
27 | GSList *devices = NULL; | |
28 | ||
8722c31e | 29 | |
2bf4aca6 | 30 | void sr_device_scan(void) |
a1bb33af UH |
31 | { |
32 | GSList *plugins, *l; | |
5c2d46d1 | 33 | struct sr_device_plugin *plugin; |
a1bb33af | 34 | |
ee4b6342 | 35 | plugins = sr_list_hwplugins(); |
a1bb33af | 36 | |
1b452b85 UH |
37 | /* |
38 | * Initialize all plugins first. Since the init() call may involve | |
a1bb33af UH |
39 | * a firmware upload and associated delay, we may as well get all |
40 | * of these out of the way first. | |
41 | */ | |
1b452b85 | 42 | for (l = plugins; l; l = l->next) { |
a1bb33af | 43 | plugin = l->data; |
8722c31e | 44 | sr_init_hwplugins(plugin); |
e54bcdc5 BV |
45 | } |
46 | ||
a1bb33af UH |
47 | } |
48 | ||
2bf4aca6 | 49 | GSList *sr_device_list(void) |
a1bb33af | 50 | { |
e54bcdc5 BV |
51 | |
52 | if (!devices) | |
2bf4aca6 | 53 | sr_device_scan(); |
e54bcdc5 | 54 | |
a1bb33af UH |
55 | return devices; |
56 | } | |
57 | ||
2bf4aca6 | 58 | struct sr_device *sr_device_new(struct sr_device_plugin *plugin, int plugin_index, |
5c2d46d1 | 59 | int num_probes) |
a1bb33af | 60 | { |
5c2d46d1 | 61 | struct sr_device *device; |
873080cc | 62 | int i; |
a1bb33af | 63 | |
b53738ba UH |
64 | if (!(device = g_try_malloc0(sizeof(struct sr_device)))) { |
65 | sr_err("dev: %s: device malloc failed", __func__); | |
66 | return NULL; | |
67 | } | |
68 | ||
a1bb33af UH |
69 | device->plugin = plugin; |
70 | device->plugin_index = plugin_index; | |
71 | devices = g_slist_append(devices, device); | |
72 | ||
7d658874 | 73 | for (i = 0; i < num_probes; i++) |
2bf4aca6 | 74 | sr_device_probe_add(device, NULL); |
a1bb33af UH |
75 | |
76 | return device; | |
77 | } | |
78 | ||
2bf4aca6 | 79 | void sr_device_clear(struct sr_device *device) |
a1bb33af | 80 | { |
1b452b85 | 81 | unsigned int pnum; |
a1bb33af | 82 | |
1b452b85 UH |
83 | if (!device->probes) |
84 | return; | |
a1bb33af | 85 | |
1b452b85 | 86 | for (pnum = 1; pnum <= g_slist_length(device->probes); pnum++) |
2bf4aca6 | 87 | sr_device_probe_clear(device, pnum); |
a1bb33af UH |
88 | } |
89 | ||
2bf4aca6 | 90 | void sr_device_probe_clear(struct sr_device *device, int probenum) |
a1bb33af | 91 | { |
1afe8989 | 92 | struct sr_probe *p; |
a1bb33af | 93 | |
03dbc020 | 94 | p = sr_device_probe_find(device, probenum); |
1b452b85 | 95 | if (!p) |
a1bb33af UH |
96 | return; |
97 | ||
1b452b85 | 98 | if (p->name) { |
a1bb33af UH |
99 | g_free(p->name); |
100 | p->name = NULL; | |
101 | } | |
102 | ||
1b452b85 | 103 | if (p->trigger) { |
a1bb33af UH |
104 | g_free(p->trigger); |
105 | p->trigger = NULL; | |
106 | } | |
a1bb33af UH |
107 | } |
108 | ||
8225e921 | 109 | void sr_device_probe_add(struct sr_device *device, const char *name) |
a1bb33af | 110 | { |
1afe8989 | 111 | struct sr_probe *p; |
7d658874 BV |
112 | char probename[16]; |
113 | int probenum; | |
a1bb33af | 114 | |
7d658874 | 115 | probenum = g_slist_length(device->probes) + 1; |
b53738ba UH |
116 | |
117 | if (!(p = g_try_malloc0(sizeof(struct sr_probe)))) { | |
118 | sr_err("dev: %s: p malloc failed", __func__); | |
119 | // return SR_ERR_MALLOC; | |
120 | return; /* FIXME: should return int. */ | |
121 | } | |
122 | ||
7d658874 | 123 | p->index = probenum; |
a1bb33af | 124 | p->enabled = TRUE; |
7d658874 BV |
125 | if (name) { |
126 | p->name = g_strdup(name); | |
127 | } else { | |
128 | snprintf(probename, 16, "%d", probenum); | |
129 | p->name = g_strdup(probename); | |
130 | } | |
a1bb33af UH |
131 | p->trigger = NULL; |
132 | device->probes = g_slist_append(device->probes, p); | |
a1bb33af UH |
133 | } |
134 | ||
03dbc020 | 135 | struct sr_probe *sr_device_probe_find(struct sr_device *device, int probenum) |
a1bb33af UH |
136 | { |
137 | GSList *l; | |
1afe8989 | 138 | struct sr_probe *p, *found_probe; |
a1bb33af UH |
139 | |
140 | found_probe = NULL; | |
1b452b85 | 141 | for (l = device->probes; l; l = l->next) { |
a1bb33af | 142 | p = l->data; |
1b452b85 | 143 | if (p->index == probenum) { |
a1bb33af UH |
144 | found_probe = p; |
145 | break; | |
146 | } | |
147 | } | |
148 | ||
149 | return found_probe; | |
150 | } | |
151 | ||
f38bdf56 | 152 | /* TODO: return SR_ERR if probenum not found */ |
8225e921 UH |
153 | void sr_device_probe_name(struct sr_device *device, int probenum, |
154 | const char *name) | |
a1bb33af | 155 | { |
1afe8989 | 156 | struct sr_probe *p; |
a1bb33af | 157 | |
03dbc020 | 158 | p = sr_device_probe_find(device, probenum); |
1b452b85 | 159 | if (!p) |
a1bb33af UH |
160 | return; |
161 | ||
1b452b85 | 162 | if (p->name) |
a1bb33af UH |
163 | g_free(p->name); |
164 | p->name = g_strdup(name); | |
a1bb33af UH |
165 | } |
166 | ||
f38bdf56 | 167 | /* TODO: return SR_ERR if probenum not found */ |
2bf4aca6 | 168 | void sr_device_trigger_clear(struct sr_device *device) |
a1bb33af | 169 | { |
1afe8989 | 170 | struct sr_probe *p; |
1b452b85 | 171 | unsigned int pnum; |
a1bb33af | 172 | |
1b452b85 UH |
173 | if (!device->probes) |
174 | return; | |
a1bb33af | 175 | |
1b452b85 | 176 | for (pnum = 1; pnum <= g_slist_length(device->probes); pnum++) { |
03dbc020 | 177 | p = sr_device_probe_find(device, pnum); |
1b452b85 UH |
178 | if (p && p->trigger) { |
179 | g_free(p->trigger); | |
180 | p->trigger = NULL; | |
181 | } | |
182 | } | |
183 | } | |
a1bb33af | 184 | |
f38bdf56 | 185 | /* TODO: return SR_ERR if probenum not found */ |
8225e921 UH |
186 | void sr_device_trigger_set(struct sr_device *device, int probenum, |
187 | const char *trigger) | |
a1bb33af | 188 | { |
1afe8989 | 189 | struct sr_probe *p; |
a1bb33af | 190 | |
03dbc020 | 191 | p = sr_device_probe_find(device, probenum); |
1b452b85 | 192 | if (!p) |
a1bb33af UH |
193 | return; |
194 | ||
1b452b85 | 195 | if (p->trigger) |
a1bb33af UH |
196 | g_free(p->trigger); |
197 | ||
198 | p->trigger = g_strdup(trigger); | |
7d658874 BV |
199 | |
200 | } | |
201 | ||
2bf4aca6 | 202 | gboolean sr_device_has_hwcap(struct sr_device *device, int hwcap) |
7d658874 BV |
203 | { |
204 | int *capabilities, i; | |
205 | ||
218557b8 | 206 | if (!device || !device->plugin) |
f437ea3f | 207 | return FALSE; |
218557b8 | 208 | |
7d658874 BV |
209 | if ((capabilities = device->plugin->get_capabilities())) |
210 | for (i = 0; capabilities[i]; i++) | |
211 | if (capabilities[i] == hwcap) | |
212 | return TRUE; | |
213 | ||
214 | return FALSE; | |
a1bb33af | 215 | } |