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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> |
a1bb33af | 23 | |
a00ba012 | 24 | extern struct sr_global *global; |
a1bb33af UH |
25 | |
26 | GSList *devices = NULL; | |
27 | ||
2bf4aca6 | 28 | void sr_device_scan(void) |
a1bb33af UH |
29 | { |
30 | GSList *plugins, *l; | |
5c2d46d1 | 31 | struct sr_device_plugin *plugin; |
a1bb33af | 32 | |
ee4b6342 | 33 | plugins = sr_list_hwplugins(); |
a1bb33af | 34 | |
1b452b85 UH |
35 | /* |
36 | * Initialize all plugins first. Since the init() call may involve | |
a1bb33af UH |
37 | * a firmware upload and associated delay, we may as well get all |
38 | * of these out of the way first. | |
39 | */ | |
1b452b85 | 40 | for (l = plugins; l; l = l->next) { |
a1bb33af | 41 | plugin = l->data; |
2bf4aca6 | 42 | sr_device_plugin_init(plugin); |
a1bb33af | 43 | } |
e54bcdc5 BV |
44 | |
45 | } | |
46 | ||
2bf4aca6 | 47 | int sr_device_plugin_init(struct sr_device_plugin *plugin) |
e54bcdc5 BV |
48 | { |
49 | int num_devices, num_probes, i; | |
50 | ||
51 | g_message("initializing %s plugin", plugin->name); | |
52 | num_devices = plugin->init(NULL); | |
53 | for (i = 0; i < num_devices; i++) { | |
5a2326a7 | 54 | num_probes = (int)plugin->get_device_info(i, SR_DI_NUM_PROBES); |
2bf4aca6 | 55 | sr_device_new(plugin, i, num_probes); |
e54bcdc5 BV |
56 | } |
57 | ||
58 | return num_devices; | |
a1bb33af UH |
59 | } |
60 | ||
2bf4aca6 | 61 | void sr_device_close_all(void) |
a1bb33af | 62 | { |
5c2d46d1 | 63 | struct sr_device *device; |
a1bb33af | 64 | |
1b452b85 | 65 | while (devices) { |
a1bb33af | 66 | device = devices->data; |
b8c2f85f | 67 | if (device->plugin && device->plugin->close) |
873080cc | 68 | device->plugin->close(device->plugin_index); |
2bf4aca6 | 69 | sr_device_destroy(device); |
a1bb33af | 70 | } |
a1bb33af UH |
71 | } |
72 | ||
2bf4aca6 | 73 | GSList *sr_device_list(void) |
a1bb33af | 74 | { |
e54bcdc5 BV |
75 | |
76 | if (!devices) | |
2bf4aca6 | 77 | sr_device_scan(); |
e54bcdc5 | 78 | |
a1bb33af UH |
79 | return devices; |
80 | } | |
81 | ||
2bf4aca6 | 82 | struct sr_device *sr_device_new(struct sr_device_plugin *plugin, int plugin_index, |
5c2d46d1 | 83 | int num_probes) |
a1bb33af | 84 | { |
5c2d46d1 | 85 | struct sr_device *device; |
873080cc | 86 | int i; |
a1bb33af | 87 | |
5c2d46d1 | 88 | device = g_malloc0(sizeof(struct sr_device)); |
a1bb33af UH |
89 | device->plugin = plugin; |
90 | device->plugin_index = plugin_index; | |
91 | devices = g_slist_append(devices, device); | |
92 | ||
7d658874 | 93 | for (i = 0; i < num_probes; i++) |
2bf4aca6 | 94 | sr_device_probe_add(device, NULL); |
a1bb33af UH |
95 | |
96 | return device; | |
97 | } | |
98 | ||
2bf4aca6 | 99 | void sr_device_clear(struct sr_device *device) |
a1bb33af | 100 | { |
1b452b85 | 101 | unsigned int pnum; |
a1bb33af | 102 | |
1b452b85 | 103 | /* TODO: Plugin-specific clear call? */ |
a1bb33af | 104 | |
1b452b85 UH |
105 | if (!device->probes) |
106 | return; | |
a1bb33af | 107 | |
1b452b85 | 108 | for (pnum = 1; pnum <= g_slist_length(device->probes); pnum++) |
2bf4aca6 | 109 | sr_device_probe_clear(device, pnum); |
a1bb33af UH |
110 | } |
111 | ||
2bf4aca6 | 112 | void sr_device_destroy(struct sr_device *device) |
a1bb33af | 113 | { |
1b452b85 | 114 | unsigned int pnum; |
a1bb33af | 115 | |
1b452b85 UH |
116 | /* |
117 | * TODO: Plugin-specific destroy call, need to decrease refcount | |
118 | * in plugin. | |
119 | */ | |
a1bb33af UH |
120 | |
121 | devices = g_slist_remove(devices, device); | |
1b452b85 UH |
122 | if (device->probes) { |
123 | for (pnum = 1; pnum <= g_slist_length(device->probes); pnum++) | |
2bf4aca6 | 124 | sr_device_probe_clear(device, pnum); |
a1bb33af UH |
125 | g_slist_free(device->probes); |
126 | } | |
127 | g_free(device); | |
a1bb33af UH |
128 | } |
129 | ||
2bf4aca6 | 130 | void sr_device_probe_clear(struct sr_device *device, int probenum) |
a1bb33af | 131 | { |
1afe8989 | 132 | struct sr_probe *p; |
a1bb33af | 133 | |
03dbc020 | 134 | p = sr_device_probe_find(device, probenum); |
1b452b85 | 135 | if (!p) |
a1bb33af UH |
136 | return; |
137 | ||
1b452b85 | 138 | if (p->name) { |
a1bb33af UH |
139 | g_free(p->name); |
140 | p->name = NULL; | |
141 | } | |
142 | ||
1b452b85 | 143 | if (p->trigger) { |
a1bb33af UH |
144 | g_free(p->trigger); |
145 | p->trigger = NULL; | |
146 | } | |
a1bb33af UH |
147 | } |
148 | ||
2bf4aca6 | 149 | void sr_device_probe_add(struct sr_device *device, char *name) |
a1bb33af | 150 | { |
1afe8989 | 151 | struct sr_probe *p; |
7d658874 BV |
152 | char probename[16]; |
153 | int probenum; | |
a1bb33af | 154 | |
7d658874 | 155 | probenum = g_slist_length(device->probes) + 1; |
1afe8989 | 156 | p = g_malloc0(sizeof(struct sr_probe)); |
7d658874 | 157 | p->index = probenum; |
a1bb33af | 158 | p->enabled = TRUE; |
7d658874 BV |
159 | if (name) { |
160 | p->name = g_strdup(name); | |
161 | } else { | |
162 | snprintf(probename, 16, "%d", probenum); | |
163 | p->name = g_strdup(probename); | |
164 | } | |
a1bb33af UH |
165 | p->trigger = NULL; |
166 | device->probes = g_slist_append(device->probes, p); | |
a1bb33af UH |
167 | } |
168 | ||
03dbc020 | 169 | struct sr_probe *sr_device_probe_find(struct sr_device *device, int probenum) |
a1bb33af UH |
170 | { |
171 | GSList *l; | |
1afe8989 | 172 | struct sr_probe *p, *found_probe; |
a1bb33af UH |
173 | |
174 | found_probe = NULL; | |
1b452b85 | 175 | for (l = device->probes; l; l = l->next) { |
a1bb33af | 176 | p = l->data; |
1b452b85 | 177 | if (p->index == probenum) { |
a1bb33af UH |
178 | found_probe = p; |
179 | break; | |
180 | } | |
181 | } | |
182 | ||
183 | return found_probe; | |
184 | } | |
185 | ||
7d658874 | 186 | /* TODO: return SIGROK_ERR if probenum not found */ |
2bf4aca6 | 187 | void sr_device_probe_name(struct sr_device *device, int probenum, char *name) |
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->name) |
a1bb33af UH |
196 | g_free(p->name); |
197 | p->name = g_strdup(name); | |
a1bb33af UH |
198 | } |
199 | ||
7d658874 | 200 | /* TODO: return SIGROK_ERR if probenum not found */ |
2bf4aca6 | 201 | void sr_device_trigger_clear(struct sr_device *device) |
a1bb33af | 202 | { |
1afe8989 | 203 | struct sr_probe *p; |
1b452b85 | 204 | unsigned int pnum; |
a1bb33af | 205 | |
1b452b85 UH |
206 | if (!device->probes) |
207 | return; | |
a1bb33af | 208 | |
1b452b85 | 209 | for (pnum = 1; pnum <= g_slist_length(device->probes); pnum++) { |
03dbc020 | 210 | p = sr_device_probe_find(device, pnum); |
1b452b85 UH |
211 | if (p && p->trigger) { |
212 | g_free(p->trigger); | |
213 | p->trigger = NULL; | |
214 | } | |
215 | } | |
216 | } | |
a1bb33af | 217 | |
7d658874 | 218 | /* TODO: return SIGROK_ERR if probenum not found */ |
2bf4aca6 | 219 | void sr_device_trigger_set(struct sr_device *device, int probenum, char *trigger) |
a1bb33af | 220 | { |
1afe8989 | 221 | struct sr_probe *p; |
a1bb33af | 222 | |
03dbc020 | 223 | p = sr_device_probe_find(device, probenum); |
1b452b85 | 224 | if (!p) |
a1bb33af UH |
225 | return; |
226 | ||
1b452b85 | 227 | if (p->trigger) |
a1bb33af UH |
228 | g_free(p->trigger); |
229 | ||
230 | p->trigger = g_strdup(trigger); | |
7d658874 BV |
231 | |
232 | } | |
233 | ||
2bf4aca6 | 234 | gboolean sr_device_has_hwcap(struct sr_device *device, int hwcap) |
7d658874 BV |
235 | { |
236 | int *capabilities, i; | |
237 | ||
218557b8 UH |
238 | if (!device || !device->plugin) |
239 | return; | |
240 | ||
7d658874 BV |
241 | if ((capabilities = device->plugin->get_capabilities())) |
242 | for (i = 0; capabilities[i]; i++) | |
243 | if (capabilities[i] == hwcap) | |
244 | return TRUE; | |
245 | ||
246 | return FALSE; | |
a1bb33af | 247 | } |