2 * This file is part of the libsigrok project.
4 * Copyright (C) 2012 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/>.
21 #include "libsigrok.h"
22 #include "libsigrok-internal.h"
25 SR_PRIV struct sr_dev_driver lascar_el_usb_driver_info;
26 static struct sr_dev_driver *di = &lascar_el_usb_driver_info;
28 /* Properly close and free all devices. */
29 static int clear_instances(void)
31 struct sr_dev_inst *sdi;
32 struct drv_context *drvc;
33 struct dev_context *devc;
36 if (!(drvc = di->priv))
39 for (l = drvc->instances; l; l = l->next) {
42 if (!(devc = sdi->priv))
47 sr_dev_inst_free(sdi);
50 g_slist_free(drvc->instances);
51 drvc->instances = NULL;
56 static int hw_init(void)
58 struct drv_context *drvc;
60 if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
61 sr_err("Driver context malloc failed.");
72 static GSList *hw_scan(GSList *options)
74 struct drv_context *drvc;
81 drvc->instances = NULL;
88 static GSList *hw_dev_list(void)
90 struct drv_context *drvc;
94 return drvc->instances;
97 static int hw_dev_open(struct sr_dev_inst *sdi)
104 static int hw_dev_close(struct sr_dev_inst *sdi)
111 static int hw_cleanup(void)
120 static int hw_info_get(int info_id, const void **data,
121 const struct sr_dev_inst *sdi)
126 sr_err("Unknown info_id: %d.", info_id);
133 static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
138 if (sdi->status != SR_ST_ACTIVE) {
139 sr_err("Device inactive, can't set config options.");
147 sr_err("Unknown hardware capability: %d.", hwcap);
154 static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
162 static int hw_dev_acquisition_stop(const struct sr_dev_inst *sdi,
167 if (sdi->status != SR_ST_ACTIVE) {
168 sr_err("Device inactive, can't stop acquisition.");
177 SR_PRIV struct sr_dev_driver lascar_el_usb_driver_info = {
178 .name = "lascar-el-usb",
179 .longname = "Lascar EL-USB",
182 .cleanup = hw_cleanup,
184 .dev_list = hw_dev_list,
185 .dev_clear = clear_instances,
186 .dev_open = hw_dev_open,
187 .dev_close = hw_dev_close,
188 .info_get = hw_info_get,
189 .dev_config_set = hw_dev_config_set,
190 .dev_acquisition_start = hw_dev_acquisition_start,
191 .dev_acquisition_stop = hw_dev_acquisition_stop,