2 * This file is part of the sigrok project.
4 * Copyright (C) 2010 Bert Vermeulen <bert@biot.com>
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.
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.
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/>.
24 extern struct sigrok_global *global;
26 GSList *devices = NULL;
28 void device_scan(void)
31 struct device_plugin *plugin;
32 int num_devices, num_probes, i;
34 plugins = list_hwplugins();
37 * Initialize all plugins first. Since the init() call may involve
38 * a firmware upload and associated delay, we may as well get all
39 * of these out of the way first.
41 for (l = plugins; l; l = l->next) {
43 g_message("initializing %s plugin", plugin->name);
44 num_devices = plugin->init(NULL);
45 for (i = 0; i < num_devices; i++) {
46 num_probes = (int)plugin->get_device_info(i, DI_NUM_PROBES);
47 device_new(plugin, i, num_probes);
52 void device_close_all(void)
54 struct device *device;
57 device = devices->data;
59 device->plugin->close(device->plugin_index);
60 device_destroy(device);
64 GSList *device_list(void)
69 struct device *device_new(struct device_plugin *plugin, int plugin_index, int num_probes)
71 struct device *device;
75 device = g_malloc0(sizeof(struct device));
76 device->plugin = plugin;
77 device->plugin_index = plugin_index;
78 devices = g_slist_append(devices, device);
80 for (i = 0; i < num_probes; i++) {
81 snprintf(probename, 16, "%d", i + 1);
82 device_probe_add(device, probename);
88 void device_clear(struct device *device)
92 /* TODO: Plugin-specific clear call? */
97 for (pnum = 1; pnum <= g_slist_length(device->probes); pnum++)
98 device_probe_clear(device, pnum);
101 void device_destroy(struct device *device)
106 * TODO: Plugin-specific destroy call, need to decrease refcount
110 devices = g_slist_remove(devices, device);
111 if (device->probes) {
112 for (pnum = 1; pnum <= g_slist_length(device->probes); pnum++)
113 device_probe_clear(device, pnum);
114 g_slist_free(device->probes);
119 void device_probe_clear(struct device *device, int probenum)
123 p = probe_find(device, probenum);
138 void device_probe_add(struct device *device, char *name)
142 p = g_malloc0(sizeof(struct probe));
143 p->index = g_slist_length(device->probes) + 1;
145 p->name = g_strdup(name);
147 device->probes = g_slist_append(device->probes, p);
150 struct probe *probe_find(struct device *device, int probenum)
153 struct probe *p, *found_probe;
156 for (l = device->probes; l; l = l->next) {
158 if (p->index == probenum) {
167 void device_probe_name(struct device *device, int probenum, char *name)
171 p = probe_find(device, probenum);
177 p->name = g_strdup(name);
180 void device_trigger_clear(struct device *device)
188 for (pnum = 1; pnum <= g_slist_length(device->probes); pnum++) {
189 p = probe_find(device, pnum);
190 if (p && p->trigger) {
197 void device_trigger_set(struct device *device, int probenum, char *trigger)
201 p = probe_find(device, probenum);
208 p->trigger = g_strdup(trigger);