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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; |
b8c2f85f | 68 | if (device->plugin && device->plugin->close) |
873080cc | 69 | device->plugin->close(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 | |
5c2d46d1 | 89 | device = g_malloc0(sizeof(struct sr_device)); |
a1bb33af UH |
90 | device->plugin = plugin; |
91 | device->plugin_index = plugin_index; | |
92 | devices = g_slist_append(devices, device); | |
93 | ||
7d658874 | 94 | for (i = 0; i < num_probes; i++) |
2bf4aca6 | 95 | sr_device_probe_add(device, NULL); |
a1bb33af UH |
96 | |
97 | return device; | |
98 | } | |
99 | ||
2bf4aca6 | 100 | void sr_device_clear(struct sr_device *device) |
a1bb33af | 101 | { |
1b452b85 | 102 | unsigned int pnum; |
a1bb33af | 103 | |
1b452b85 | 104 | /* TODO: Plugin-specific clear call? */ |
a1bb33af | 105 | |
1b452b85 UH |
106 | if (!device->probes) |
107 | return; | |
a1bb33af | 108 | |
1b452b85 | 109 | for (pnum = 1; pnum <= g_slist_length(device->probes); pnum++) |
2bf4aca6 | 110 | sr_device_probe_clear(device, pnum); |
a1bb33af UH |
111 | } |
112 | ||
2bf4aca6 | 113 | void sr_device_destroy(struct sr_device *device) |
a1bb33af | 114 | { |
1b452b85 | 115 | unsigned int pnum; |
a1bb33af | 116 | |
1b452b85 UH |
117 | /* |
118 | * TODO: Plugin-specific destroy call, need to decrease refcount | |
119 | * in plugin. | |
120 | */ | |
a1bb33af UH |
121 | |
122 | devices = g_slist_remove(devices, device); | |
1b452b85 UH |
123 | if (device->probes) { |
124 | for (pnum = 1; pnum <= g_slist_length(device->probes); pnum++) | |
2bf4aca6 | 125 | sr_device_probe_clear(device, pnum); |
a1bb33af UH |
126 | g_slist_free(device->probes); |
127 | } | |
128 | g_free(device); | |
a1bb33af UH |
129 | } |
130 | ||
2bf4aca6 | 131 | void sr_device_probe_clear(struct sr_device *device, int probenum) |
a1bb33af | 132 | { |
1afe8989 | 133 | struct sr_probe *p; |
a1bb33af | 134 | |
03dbc020 | 135 | p = sr_device_probe_find(device, probenum); |
1b452b85 | 136 | if (!p) |
a1bb33af UH |
137 | return; |
138 | ||
1b452b85 | 139 | if (p->name) { |
a1bb33af UH |
140 | g_free(p->name); |
141 | p->name = NULL; | |
142 | } | |
143 | ||
1b452b85 | 144 | if (p->trigger) { |
a1bb33af UH |
145 | g_free(p->trigger); |
146 | p->trigger = NULL; | |
147 | } | |
a1bb33af UH |
148 | } |
149 | ||
8225e921 | 150 | void sr_device_probe_add(struct sr_device *device, const char *name) |
a1bb33af | 151 | { |
1afe8989 | 152 | struct sr_probe *p; |
7d658874 BV |
153 | char probename[16]; |
154 | int probenum; | |
a1bb33af | 155 | |
7d658874 | 156 | probenum = g_slist_length(device->probes) + 1; |
1afe8989 | 157 | p = g_malloc0(sizeof(struct sr_probe)); |
7d658874 | 158 | p->index = probenum; |
a1bb33af | 159 | p->enabled = TRUE; |
7d658874 BV |
160 | if (name) { |
161 | p->name = g_strdup(name); | |
162 | } else { | |
163 | snprintf(probename, 16, "%d", probenum); | |
164 | p->name = g_strdup(probename); | |
165 | } | |
a1bb33af UH |
166 | p->trigger = NULL; |
167 | device->probes = g_slist_append(device->probes, p); | |
a1bb33af UH |
168 | } |
169 | ||
03dbc020 | 170 | struct sr_probe *sr_device_probe_find(struct sr_device *device, int probenum) |
a1bb33af UH |
171 | { |
172 | GSList *l; | |
1afe8989 | 173 | struct sr_probe *p, *found_probe; |
a1bb33af UH |
174 | |
175 | found_probe = NULL; | |
1b452b85 | 176 | for (l = device->probes; l; l = l->next) { |
a1bb33af | 177 | p = l->data; |
1b452b85 | 178 | if (p->index == probenum) { |
a1bb33af UH |
179 | found_probe = p; |
180 | break; | |
181 | } | |
182 | } | |
183 | ||
184 | return found_probe; | |
185 | } | |
186 | ||
7d658874 | 187 | /* TODO: return SIGROK_ERR if probenum not found */ |
8225e921 UH |
188 | void sr_device_probe_name(struct sr_device *device, int probenum, |
189 | const char *name) | |
a1bb33af | 190 | { |
1afe8989 | 191 | struct sr_probe *p; |
a1bb33af | 192 | |
03dbc020 | 193 | p = sr_device_probe_find(device, probenum); |
1b452b85 | 194 | if (!p) |
a1bb33af UH |
195 | return; |
196 | ||
1b452b85 | 197 | if (p->name) |
a1bb33af UH |
198 | g_free(p->name); |
199 | p->name = g_strdup(name); | |
a1bb33af UH |
200 | } |
201 | ||
7d658874 | 202 | /* TODO: return SIGROK_ERR if probenum not found */ |
2bf4aca6 | 203 | void sr_device_trigger_clear(struct sr_device *device) |
a1bb33af | 204 | { |
1afe8989 | 205 | struct sr_probe *p; |
1b452b85 | 206 | unsigned int pnum; |
a1bb33af | 207 | |
1b452b85 UH |
208 | if (!device->probes) |
209 | return; | |
a1bb33af | 210 | |
1b452b85 | 211 | for (pnum = 1; pnum <= g_slist_length(device->probes); pnum++) { |
03dbc020 | 212 | p = sr_device_probe_find(device, pnum); |
1b452b85 UH |
213 | if (p && p->trigger) { |
214 | g_free(p->trigger); | |
215 | p->trigger = NULL; | |
216 | } | |
217 | } | |
218 | } | |
a1bb33af | 219 | |
7d658874 | 220 | /* TODO: return SIGROK_ERR if probenum not found */ |
8225e921 UH |
221 | void sr_device_trigger_set(struct sr_device *device, int probenum, |
222 | const char *trigger) | |
a1bb33af | 223 | { |
1afe8989 | 224 | struct sr_probe *p; |
a1bb33af | 225 | |
03dbc020 | 226 | p = sr_device_probe_find(device, probenum); |
1b452b85 | 227 | if (!p) |
a1bb33af UH |
228 | return; |
229 | ||
1b452b85 | 230 | if (p->trigger) |
a1bb33af UH |
231 | g_free(p->trigger); |
232 | ||
233 | p->trigger = g_strdup(trigger); | |
7d658874 BV |
234 | |
235 | } | |
236 | ||
2bf4aca6 | 237 | gboolean sr_device_has_hwcap(struct sr_device *device, int hwcap) |
7d658874 BV |
238 | { |
239 | int *capabilities, i; | |
240 | ||
218557b8 | 241 | if (!device || !device->plugin) |
f437ea3f | 242 | return FALSE; |
218557b8 | 243 | |
7d658874 BV |
244 | if ((capabilities = device->plugin->get_capabilities())) |
245 | for (i = 0; capabilities[i]; i++) | |
246 | if (capabilities[i] == hwcap) | |
247 | return TRUE; | |
248 | ||
249 | return FALSE; | |
a1bb33af | 250 | } |