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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 UH |
23 | |
24 | extern struct sigrok_global *global; | |
25 | ||
26 | GSList *devices = NULL; | |
27 | ||
a1bb33af UH |
28 | void device_scan(void) |
29 | { | |
30 | GSList *plugins, *l; | |
31 | struct device_plugin *plugin; | |
873080cc | 32 | int num_devices, num_probes, i; |
a1bb33af UH |
33 | |
34 | plugins = list_hwplugins(); | |
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 UH |
42 | plugin = l->data; |
43 | g_message("initializing %s plugin", plugin->name); | |
44 | num_devices = plugin->init(NULL); | |
873080cc | 45 | for (i = 0; i < num_devices; i++) { |
757b8c62 UH |
46 | num_probes = (int)plugin->get_device_info(i, |
47 | DI_NUM_PROBES); | |
873080cc BV |
48 | device_new(plugin, i, num_probes); |
49 | } | |
a1bb33af | 50 | } |
a1bb33af UH |
51 | } |
52 | ||
a1bb33af UH |
53 | void device_close_all(void) |
54 | { | |
55 | struct device *device; | |
56 | ||
1b452b85 | 57 | while (devices) { |
a1bb33af | 58 | device = devices->data; |
873080cc BV |
59 | if (device->plugin) |
60 | device->plugin->close(device->plugin_index); | |
a1bb33af UH |
61 | device_destroy(device); |
62 | } | |
a1bb33af UH |
63 | } |
64 | ||
a1bb33af UH |
65 | GSList *device_list(void) |
66 | { | |
a1bb33af UH |
67 | return devices; |
68 | } | |
69 | ||
757b8c62 UH |
70 | struct device *device_new(struct device_plugin *plugin, int plugin_index, |
71 | int num_probes) | |
a1bb33af UH |
72 | { |
73 | struct device *device; | |
873080cc | 74 | int i; |
a1bb33af UH |
75 | char probename[16]; |
76 | ||
77 | device = g_malloc0(sizeof(struct device)); | |
78 | device->plugin = plugin; | |
79 | device->plugin_index = plugin_index; | |
80 | devices = g_slist_append(devices, device); | |
81 | ||
1b452b85 UH |
82 | for (i = 0; i < num_probes; i++) { |
83 | snprintf(probename, 16, "%d", i + 1); | |
a1bb33af UH |
84 | device_probe_add(device, probename); |
85 | } | |
86 | ||
87 | return device; | |
88 | } | |
89 | ||
a1bb33af UH |
90 | void device_clear(struct device *device) |
91 | { | |
1b452b85 | 92 | unsigned int pnum; |
a1bb33af | 93 | |
1b452b85 | 94 | /* TODO: Plugin-specific clear call? */ |
a1bb33af | 95 | |
1b452b85 UH |
96 | if (!device->probes) |
97 | return; | |
a1bb33af | 98 | |
1b452b85 UH |
99 | for (pnum = 1; pnum <= g_slist_length(device->probes); pnum++) |
100 | device_probe_clear(device, pnum); | |
a1bb33af UH |
101 | } |
102 | ||
a1bb33af UH |
103 | void device_destroy(struct device *device) |
104 | { | |
1b452b85 | 105 | unsigned int pnum; |
a1bb33af | 106 | |
1b452b85 UH |
107 | /* |
108 | * TODO: Plugin-specific destroy call, need to decrease refcount | |
109 | * in plugin. | |
110 | */ | |
a1bb33af UH |
111 | |
112 | devices = g_slist_remove(devices, device); | |
1b452b85 UH |
113 | if (device->probes) { |
114 | for (pnum = 1; pnum <= g_slist_length(device->probes); pnum++) | |
115 | device_probe_clear(device, pnum); | |
a1bb33af UH |
116 | g_slist_free(device->probes); |
117 | } | |
118 | g_free(device); | |
a1bb33af UH |
119 | } |
120 | ||
a1bb33af UH |
121 | void device_probe_clear(struct device *device, int probenum) |
122 | { | |
123 | struct probe *p; | |
124 | ||
125 | p = probe_find(device, probenum); | |
1b452b85 | 126 | if (!p) |
a1bb33af UH |
127 | return; |
128 | ||
1b452b85 | 129 | if (p->name) { |
a1bb33af UH |
130 | g_free(p->name); |
131 | p->name = NULL; | |
132 | } | |
133 | ||
1b452b85 | 134 | if (p->trigger) { |
a1bb33af UH |
135 | g_free(p->trigger); |
136 | p->trigger = NULL; | |
137 | } | |
a1bb33af UH |
138 | } |
139 | ||
a1bb33af UH |
140 | void device_probe_add(struct device *device, char *name) |
141 | { | |
142 | struct probe *p; | |
143 | ||
144 | p = g_malloc0(sizeof(struct probe)); | |
145 | p->index = g_slist_length(device->probes) + 1; | |
146 | p->enabled = TRUE; | |
147 | p->name = g_strdup(name); | |
148 | p->trigger = NULL; | |
149 | device->probes = g_slist_append(device->probes, p); | |
a1bb33af UH |
150 | } |
151 | ||
a1bb33af UH |
152 | struct probe *probe_find(struct device *device, int probenum) |
153 | { | |
154 | GSList *l; | |
155 | struct probe *p, *found_probe; | |
156 | ||
157 | found_probe = NULL; | |
1b452b85 | 158 | for (l = device->probes; l; l = l->next) { |
a1bb33af | 159 | p = l->data; |
1b452b85 | 160 | if (p->index == probenum) { |
a1bb33af UH |
161 | found_probe = p; |
162 | break; | |
163 | } | |
164 | } | |
165 | ||
166 | return found_probe; | |
167 | } | |
168 | ||
a1bb33af UH |
169 | void device_probe_name(struct device *device, int probenum, char *name) |
170 | { | |
171 | struct probe *p; | |
172 | ||
173 | p = probe_find(device, probenum); | |
1b452b85 | 174 | if (!p) |
a1bb33af UH |
175 | return; |
176 | ||
1b452b85 | 177 | if (p->name) |
a1bb33af UH |
178 | g_free(p->name); |
179 | p->name = g_strdup(name); | |
a1bb33af UH |
180 | } |
181 | ||
a1bb33af UH |
182 | void device_trigger_clear(struct device *device) |
183 | { | |
184 | struct probe *p; | |
1b452b85 | 185 | unsigned int pnum; |
a1bb33af | 186 | |
1b452b85 UH |
187 | if (!device->probes) |
188 | return; | |
a1bb33af | 189 | |
1b452b85 UH |
190 | for (pnum = 1; pnum <= g_slist_length(device->probes); pnum++) { |
191 | p = probe_find(device, pnum); | |
192 | if (p && p->trigger) { | |
193 | g_free(p->trigger); | |
194 | p->trigger = NULL; | |
195 | } | |
196 | } | |
197 | } | |
a1bb33af UH |
198 | |
199 | void device_trigger_set(struct device *device, int probenum, char *trigger) | |
200 | { | |
201 | struct probe *p; | |
202 | ||
203 | p = probe_find(device, probenum); | |
1b452b85 | 204 | if (!p) |
a1bb33af UH |
205 | return; |
206 | ||
1b452b85 | 207 | if (p->trigger) |
a1bb33af UH |
208 | g_free(p->trigger); |
209 | ||
210 | p->trigger = g_strdup(trigger); | |
a1bb33af | 211 | } |