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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; | |
62eeeb17 | 32 | int num_devices, num_probes, i, probe_type; |
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++) { |
5e2ddeb0 UH |
46 | num_probes |
47 | = (int)(unsigned long)plugin->get_device_info(i, | |
48 | DI_NUM_PROBES); | |
62eeeb17 DR |
49 | probe_type = (int)(unsigned long) |
50 | plugin->get_device_info(i, DI_PROBE_TYPE); | |
51 | ||
52 | if (probe_type != PROBE_TYPE_ANALOG) | |
53 | probe_type = PROBE_TYPE_LOGIC; | |
54 | ||
55 | device_new(plugin, i, num_probes, probe_type); | |
873080cc | 56 | } |
a1bb33af | 57 | } |
a1bb33af UH |
58 | } |
59 | ||
a1bb33af UH |
60 | void device_close_all(void) |
61 | { | |
62 | struct device *device; | |
63 | ||
1b452b85 | 64 | while (devices) { |
a1bb33af | 65 | device = devices->data; |
873080cc BV |
66 | if (device->plugin) |
67 | device->plugin->close(device->plugin_index); | |
a1bb33af UH |
68 | device_destroy(device); |
69 | } | |
a1bb33af UH |
70 | } |
71 | ||
a1bb33af UH |
72 | GSList *device_list(void) |
73 | { | |
a1bb33af UH |
74 | return devices; |
75 | } | |
76 | ||
757b8c62 | 77 | struct device *device_new(struct device_plugin *plugin, int plugin_index, |
62eeeb17 | 78 | int num_probes, int probe_type) |
a1bb33af UH |
79 | { |
80 | struct device *device; | |
873080cc | 81 | int i; |
a1bb33af UH |
82 | char probename[16]; |
83 | ||
84 | device = g_malloc0(sizeof(struct device)); | |
85 | device->plugin = plugin; | |
86 | device->plugin_index = plugin_index; | |
62eeeb17 | 87 | device->probe_type = probe_type; |
a1bb33af UH |
88 | devices = g_slist_append(devices, device); |
89 | ||
1b452b85 UH |
90 | for (i = 0; i < num_probes; i++) { |
91 | snprintf(probename, 16, "%d", i + 1); | |
a1bb33af UH |
92 | device_probe_add(device, probename); |
93 | } | |
94 | ||
95 | return device; | |
96 | } | |
97 | ||
a1bb33af UH |
98 | void device_clear(struct device *device) |
99 | { | |
1b452b85 | 100 | unsigned int pnum; |
a1bb33af | 101 | |
1b452b85 | 102 | /* TODO: Plugin-specific clear call? */ |
a1bb33af | 103 | |
1b452b85 UH |
104 | if (!device->probes) |
105 | return; | |
a1bb33af | 106 | |
1b452b85 UH |
107 | for (pnum = 1; pnum <= g_slist_length(device->probes); pnum++) |
108 | device_probe_clear(device, pnum); | |
a1bb33af UH |
109 | } |
110 | ||
a1bb33af UH |
111 | void device_destroy(struct device *device) |
112 | { | |
1b452b85 | 113 | unsigned int pnum; |
a1bb33af | 114 | |
1b452b85 UH |
115 | /* |
116 | * TODO: Plugin-specific destroy call, need to decrease refcount | |
117 | * in plugin. | |
118 | */ | |
a1bb33af UH |
119 | |
120 | devices = g_slist_remove(devices, device); | |
1b452b85 UH |
121 | if (device->probes) { |
122 | for (pnum = 1; pnum <= g_slist_length(device->probes); pnum++) | |
123 | device_probe_clear(device, pnum); | |
a1bb33af UH |
124 | g_slist_free(device->probes); |
125 | } | |
126 | g_free(device); | |
a1bb33af UH |
127 | } |
128 | ||
a1bb33af UH |
129 | void device_probe_clear(struct device *device, int probenum) |
130 | { | |
131 | struct probe *p; | |
132 | ||
133 | p = probe_find(device, probenum); | |
1b452b85 | 134 | if (!p) |
a1bb33af UH |
135 | return; |
136 | ||
1b452b85 | 137 | if (p->name) { |
a1bb33af UH |
138 | g_free(p->name); |
139 | p->name = NULL; | |
140 | } | |
141 | ||
1b452b85 | 142 | if (p->trigger) { |
a1bb33af UH |
143 | g_free(p->trigger); |
144 | p->trigger = NULL; | |
145 | } | |
a1bb33af UH |
146 | } |
147 | ||
a1bb33af UH |
148 | void device_probe_add(struct device *device, char *name) |
149 | { | |
150 | struct probe *p; | |
151 | ||
152 | p = g_malloc0(sizeof(struct probe)); | |
153 | p->index = g_slist_length(device->probes) + 1; | |
154 | p->enabled = TRUE; | |
155 | p->name = g_strdup(name); | |
156 | p->trigger = NULL; | |
157 | device->probes = g_slist_append(device->probes, p); | |
a1bb33af UH |
158 | } |
159 | ||
a1bb33af UH |
160 | struct probe *probe_find(struct device *device, int probenum) |
161 | { | |
162 | GSList *l; | |
163 | struct probe *p, *found_probe; | |
164 | ||
165 | found_probe = NULL; | |
1b452b85 | 166 | for (l = device->probes; l; l = l->next) { |
a1bb33af | 167 | p = l->data; |
1b452b85 | 168 | if (p->index == probenum) { |
a1bb33af UH |
169 | found_probe = p; |
170 | break; | |
171 | } | |
172 | } | |
173 | ||
174 | return found_probe; | |
175 | } | |
176 | ||
a1bb33af UH |
177 | void device_probe_name(struct device *device, int probenum, char *name) |
178 | { | |
179 | struct probe *p; | |
180 | ||
181 | p = probe_find(device, probenum); | |
1b452b85 | 182 | if (!p) |
a1bb33af UH |
183 | return; |
184 | ||
1b452b85 | 185 | if (p->name) |
a1bb33af UH |
186 | g_free(p->name); |
187 | p->name = g_strdup(name); | |
a1bb33af UH |
188 | } |
189 | ||
a1bb33af UH |
190 | void device_trigger_clear(struct device *device) |
191 | { | |
192 | struct probe *p; | |
1b452b85 | 193 | unsigned int pnum; |
a1bb33af | 194 | |
1b452b85 UH |
195 | if (!device->probes) |
196 | return; | |
a1bb33af | 197 | |
1b452b85 UH |
198 | for (pnum = 1; pnum <= g_slist_length(device->probes); pnum++) { |
199 | p = probe_find(device, pnum); | |
200 | if (p && p->trigger) { | |
201 | g_free(p->trigger); | |
202 | p->trigger = NULL; | |
203 | } | |
204 | } | |
205 | } | |
a1bb33af UH |
206 | |
207 | void device_trigger_set(struct device *device, int probenum, char *trigger) | |
208 | { | |
209 | struct probe *p; | |
210 | ||
211 | p = probe_find(device, probenum); | |
1b452b85 | 212 | if (!p) |
a1bb33af UH |
213 | return; |
214 | ||
1b452b85 | 215 | if (p->trigger) |
a1bb33af UH |
216 | g_free(p->trigger); |
217 | ||
218 | p->trigger = g_strdup(trigger); | |
a1bb33af | 219 | } |