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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 | ||
2bf4aca6 | 29 | void sr_device_scan(void) |
a1bb33af UH |
30 | { |
31 | GSList *plugins, *l; | |
5c2d46d1 | 32 | struct sr_device_plugin *plugin; |
a1bb33af | 33 | |
ee4b6342 | 34 | plugins = sr_list_hwplugins(); |
a1bb33af | 35 | |
1b452b85 UH |
36 | /* |
37 | * Initialize all plugins first. Since the init() call may involve | |
a1bb33af UH |
38 | * a firmware upload and associated delay, we may as well get all |
39 | * of these out of the way first. | |
40 | */ | |
1b452b85 | 41 | for (l = plugins; l; l = l->next) { |
a1bb33af | 42 | plugin = l->data; |
2bf4aca6 | 43 | sr_device_plugin_init(plugin); |
a1bb33af | 44 | } |
e54bcdc5 BV |
45 | |
46 | } | |
47 | ||
2bf4aca6 | 48 | int sr_device_plugin_init(struct sr_device_plugin *plugin) |
e54bcdc5 BV |
49 | { |
50 | int num_devices, num_probes, i; | |
51 | ||
b08024a8 | 52 | sr_info("initializing %s plugin", plugin->name); |
e54bcdc5 BV |
53 | num_devices = plugin->init(NULL); |
54 | for (i = 0; i < num_devices; i++) { | |
5a2326a7 | 55 | num_probes = (int)plugin->get_device_info(i, SR_DI_NUM_PROBES); |
2bf4aca6 | 56 | sr_device_new(plugin, i, num_probes); |
e54bcdc5 BV |
57 | } |
58 | ||
59 | return num_devices; | |
a1bb33af UH |
60 | } |
61 | ||
2bf4aca6 | 62 | void sr_device_close_all(void) |
a1bb33af | 63 | { |
5c2d46d1 | 64 | struct sr_device *device; |
a1bb33af | 65 | |
1b452b85 | 66 | while (devices) { |
a1bb33af | 67 | device = devices->data; |
86f5e3d8 UH |
68 | if (device->plugin && device->plugin->closedev) |
69 | device->plugin->closedev(device->plugin_index); | |
2bf4aca6 | 70 | sr_device_destroy(device); |
a1bb33af | 71 | } |
a1bb33af UH |
72 | } |
73 | ||
2bf4aca6 | 74 | GSList *sr_device_list(void) |
a1bb33af | 75 | { |
e54bcdc5 BV |
76 | |
77 | if (!devices) | |
2bf4aca6 | 78 | sr_device_scan(); |
e54bcdc5 | 79 | |
a1bb33af UH |
80 | return devices; |
81 | } | |
82 | ||
2bf4aca6 | 83 | struct sr_device *sr_device_new(struct sr_device_plugin *plugin, int plugin_index, |
5c2d46d1 | 84 | int num_probes) |
a1bb33af | 85 | { |
5c2d46d1 | 86 | struct sr_device *device; |
873080cc | 87 | int i; |
a1bb33af | 88 | |
b53738ba UH |
89 | if (!(device = g_try_malloc0(sizeof(struct sr_device)))) { |
90 | sr_err("dev: %s: device malloc failed", __func__); | |
91 | return NULL; | |
92 | } | |
93 | ||
a1bb33af UH |
94 | device->plugin = plugin; |
95 | device->plugin_index = plugin_index; | |
96 | devices = g_slist_append(devices, device); | |
97 | ||
7d658874 | 98 | for (i = 0; i < num_probes; i++) |
2bf4aca6 | 99 | sr_device_probe_add(device, NULL); |
a1bb33af UH |
100 | |
101 | return device; | |
102 | } | |
103 | ||
2bf4aca6 | 104 | void sr_device_clear(struct sr_device *device) |
a1bb33af | 105 | { |
1b452b85 | 106 | unsigned int pnum; |
a1bb33af | 107 | |
1b452b85 | 108 | /* TODO: Plugin-specific clear call? */ |
a1bb33af | 109 | |
1b452b85 UH |
110 | if (!device->probes) |
111 | return; | |
a1bb33af | 112 | |
1b452b85 | 113 | for (pnum = 1; pnum <= g_slist_length(device->probes); pnum++) |
2bf4aca6 | 114 | sr_device_probe_clear(device, pnum); |
a1bb33af UH |
115 | } |
116 | ||
2bf4aca6 | 117 | void sr_device_destroy(struct sr_device *device) |
a1bb33af | 118 | { |
1b452b85 | 119 | unsigned int pnum; |
a1bb33af | 120 | |
1b452b85 UH |
121 | /* |
122 | * TODO: Plugin-specific destroy call, need to decrease refcount | |
123 | * in plugin. | |
124 | */ | |
a1bb33af UH |
125 | |
126 | devices = g_slist_remove(devices, device); | |
1b452b85 UH |
127 | if (device->probes) { |
128 | for (pnum = 1; pnum <= g_slist_length(device->probes); pnum++) | |
2bf4aca6 | 129 | sr_device_probe_clear(device, pnum); |
a1bb33af UH |
130 | g_slist_free(device->probes); |
131 | } | |
132 | g_free(device); | |
a1bb33af UH |
133 | } |
134 | ||
2bf4aca6 | 135 | void sr_device_probe_clear(struct sr_device *device, int probenum) |
a1bb33af | 136 | { |
1afe8989 | 137 | struct sr_probe *p; |
a1bb33af | 138 | |
03dbc020 | 139 | p = sr_device_probe_find(device, probenum); |
1b452b85 | 140 | if (!p) |
a1bb33af UH |
141 | return; |
142 | ||
1b452b85 | 143 | if (p->name) { |
a1bb33af UH |
144 | g_free(p->name); |
145 | p->name = NULL; | |
146 | } | |
147 | ||
1b452b85 | 148 | if (p->trigger) { |
a1bb33af UH |
149 | g_free(p->trigger); |
150 | p->trigger = NULL; | |
151 | } | |
a1bb33af UH |
152 | } |
153 | ||
8225e921 | 154 | void sr_device_probe_add(struct sr_device *device, const char *name) |
a1bb33af | 155 | { |
1afe8989 | 156 | struct sr_probe *p; |
7d658874 BV |
157 | char probename[16]; |
158 | int probenum; | |
a1bb33af | 159 | |
7d658874 | 160 | probenum = g_slist_length(device->probes) + 1; |
b53738ba UH |
161 | |
162 | if (!(p = g_try_malloc0(sizeof(struct sr_probe)))) { | |
163 | sr_err("dev: %s: p malloc failed", __func__); | |
164 | // return SR_ERR_MALLOC; | |
165 | return; /* FIXME: should return int. */ | |
166 | } | |
167 | ||
7d658874 | 168 | p->index = probenum; |
a1bb33af | 169 | p->enabled = TRUE; |
7d658874 BV |
170 | if (name) { |
171 | p->name = g_strdup(name); | |
172 | } else { | |
173 | snprintf(probename, 16, "%d", probenum); | |
174 | p->name = g_strdup(probename); | |
175 | } | |
a1bb33af UH |
176 | p->trigger = NULL; |
177 | device->probes = g_slist_append(device->probes, p); | |
a1bb33af UH |
178 | } |
179 | ||
03dbc020 | 180 | struct sr_probe *sr_device_probe_find(struct sr_device *device, int probenum) |
a1bb33af UH |
181 | { |
182 | GSList *l; | |
1afe8989 | 183 | struct sr_probe *p, *found_probe; |
a1bb33af UH |
184 | |
185 | found_probe = NULL; | |
1b452b85 | 186 | for (l = device->probes; l; l = l->next) { |
a1bb33af | 187 | p = l->data; |
1b452b85 | 188 | if (p->index == probenum) { |
a1bb33af UH |
189 | found_probe = p; |
190 | break; | |
191 | } | |
192 | } | |
193 | ||
194 | return found_probe; | |
195 | } | |
196 | ||
f38bdf56 | 197 | /* TODO: return SR_ERR if probenum not found */ |
8225e921 UH |
198 | void sr_device_probe_name(struct sr_device *device, int probenum, |
199 | const char *name) | |
a1bb33af | 200 | { |
1afe8989 | 201 | struct sr_probe *p; |
a1bb33af | 202 | |
03dbc020 | 203 | p = sr_device_probe_find(device, probenum); |
1b452b85 | 204 | if (!p) |
a1bb33af UH |
205 | return; |
206 | ||
1b452b85 | 207 | if (p->name) |
a1bb33af UH |
208 | g_free(p->name); |
209 | p->name = g_strdup(name); | |
a1bb33af UH |
210 | } |
211 | ||
f38bdf56 | 212 | /* TODO: return SR_ERR if probenum not found */ |
2bf4aca6 | 213 | void sr_device_trigger_clear(struct sr_device *device) |
a1bb33af | 214 | { |
1afe8989 | 215 | struct sr_probe *p; |
1b452b85 | 216 | unsigned int pnum; |
a1bb33af | 217 | |
1b452b85 UH |
218 | if (!device->probes) |
219 | return; | |
a1bb33af | 220 | |
1b452b85 | 221 | for (pnum = 1; pnum <= g_slist_length(device->probes); pnum++) { |
03dbc020 | 222 | p = sr_device_probe_find(device, pnum); |
1b452b85 UH |
223 | if (p && p->trigger) { |
224 | g_free(p->trigger); | |
225 | p->trigger = NULL; | |
226 | } | |
227 | } | |
228 | } | |
a1bb33af | 229 | |
f38bdf56 | 230 | /* TODO: return SR_ERR if probenum not found */ |
8225e921 UH |
231 | void sr_device_trigger_set(struct sr_device *device, int probenum, |
232 | const char *trigger) | |
a1bb33af | 233 | { |
1afe8989 | 234 | struct sr_probe *p; |
a1bb33af | 235 | |
03dbc020 | 236 | p = sr_device_probe_find(device, probenum); |
1b452b85 | 237 | if (!p) |
a1bb33af UH |
238 | return; |
239 | ||
1b452b85 | 240 | if (p->trigger) |
a1bb33af UH |
241 | g_free(p->trigger); |
242 | ||
243 | p->trigger = g_strdup(trigger); | |
7d658874 BV |
244 | |
245 | } | |
246 | ||
2bf4aca6 | 247 | gboolean sr_device_has_hwcap(struct sr_device *device, int hwcap) |
7d658874 BV |
248 | { |
249 | int *capabilities, i; | |
250 | ||
218557b8 | 251 | if (!device || !device->plugin) |
f437ea3f | 252 | return FALSE; |
218557b8 | 253 | |
7d658874 BV |
254 | if ((capabilities = device->plugin->get_capabilities())) |
255 | for (i = 0; capabilities[i]; i++) | |
256 | if (capabilities[i] == hwcap) | |
257 | return TRUE; | |
258 | ||
259 | return FALSE; | |
a1bb33af | 260 | } |