2 * This file is part of the sigrok project.
4 * Copyright (C) 2010-2012 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/>.
22 #include "libsigrok.h"
23 #include "libsigrok-internal.h"
25 SR_PRIV struct sr_probe *sr_probe_new(int index, int type,
26 gboolean enabled, const char *name)
28 struct sr_probe *probe;
30 if (!(probe = g_try_malloc0(sizeof(struct sr_probe)))) {
31 sr_err("hwdriver: probe malloc failed");
37 probe->enabled = enabled;
39 probe->name = g_strdup(name);
45 * Set the name of the specified probe in the specified device.
47 * If the probe already has a different name assigned to it, it will be
48 * removed, and the new name will be saved instead.
50 * @param sdi The device instance the probe is connected to.
51 * @param probenum The number of the probe whose name to set.
52 * Note that the probe numbers start at 0.
53 * @param name The new name that the specified probe should get. A copy
54 * of the string is made.
56 * @return SR_OK on success, or SR_ERR_ARG on invalid arguments.
58 SR_API int sr_dev_probe_name_set(const struct sr_dev_inst *sdi,
59 int probenum, const char *name)
62 struct sr_probe *probe;
66 sr_err("%s: sdi was NULL", __func__);
71 for (l = sdi->probes; l; l = l->next) {
73 if (probe->index == probenum) {
75 probe->name = g_strdup(name);
85 * Enable or disable a probe on the specified device.
87 * @param sdi The device instance the probe is connected to.
88 * @param probenum The probe number, starting from 0.
89 * @param state TRUE to enable the probe, FALSE to disable.
91 * @return SR_OK on success, or SR_ERR_ARG on invalid arguments.
93 SR_API int sr_dev_probe_enable(const struct sr_dev_inst *sdi, int probenum,
97 struct sr_probe *probe;
104 for (l = sdi->probes; l; l = l->next) {
106 if (probe->index == probenum) {
107 probe->enabled = state;
117 * Add a trigger to the specified device (and the specified probe).
119 * If the specified probe of this device already has a trigger, it will
120 * be silently replaced.
122 * @param sdi Must not be NULL.
123 * @param probenum The probe number, starting from 0.
124 * @param trigger Trigger string, in the format used by sigrok-cli
126 * @return SR_OK on success, or SR_ERR_ARG on invalid arguments.
128 SR_API int sr_dev_trigger_set(const struct sr_dev_inst *sdi, int probenum,
132 struct sr_probe *probe;
139 for (l = sdi->probes; l; l = l->next) {
141 if (probe->index == probenum) {
142 /* If the probe already has a trigger, kill it first. */
143 g_free(probe->trigger);
144 probe->trigger = g_strdup(trigger);
154 * Determine whether the specified device has the specified capability.
156 * @param dev Pointer to the device instance to be checked. Must not be NULL.
157 * If the device's 'driver' field is NULL (virtual device), this
158 * function will always return FALSE (virtual devices don't have
159 * a hardware capabilities list).
160 * @param hwcap The capability that should be checked (whether it's supported
161 * by the specified device).
163 * @return TRUE if the device has the specified capability, FALSE otherwise.
164 * FALSE is also returned upon invalid input parameters or other
167 SR_API gboolean sr_dev_has_hwcap(const struct sr_dev_inst *sdi, int hwcap)
172 if (!sdi || !sdi->driver)
175 if (sdi->driver->info_get(SR_DI_HWCAPS,
176 (const void **)&hwcaps, NULL) != SR_OK)
179 for (i = 0; hwcaps[i]; i++) {
180 if (hwcaps[i] == hwcap)
187 SR_PRIV struct sr_dev_inst *sr_dev_inst_new(int index, int status,
188 const char *vendor, const char *model, const char *version)
190 struct sr_dev_inst *sdi;
192 if (!(sdi = g_try_malloc(sizeof(struct sr_dev_inst)))) {
193 sr_err("hwdriver: %s: sdi malloc failed", __func__);
199 sdi->status = status;
201 sdi->vendor = vendor ? g_strdup(vendor) : NULL;
202 sdi->model = model ? g_strdup(model) : NULL;
203 sdi->version = version ? g_strdup(version) : NULL;
210 SR_PRIV void sr_dev_inst_free(struct sr_dev_inst *sdi)
212 struct sr_probe *probe;
215 for (l = sdi->probes; l; l = l->next) {
224 g_free(sdi->version);
229 #ifdef HAVE_LIBUSB_1_0
231 SR_PRIV struct sr_usb_dev_inst *sr_usb_dev_inst_new(uint8_t bus,
232 uint8_t address, struct libusb_device_handle *hdl)
234 struct sr_usb_dev_inst *udi;
236 if (!(udi = g_try_malloc(sizeof(struct sr_usb_dev_inst)))) {
237 sr_err("hwdriver: %s: udi malloc failed", __func__);
242 udi->address = address;
248 SR_PRIV void sr_usb_dev_inst_free(struct sr_usb_dev_inst *usb)
250 /* Avoid compiler warnings. */
253 /* Nothing to do for this device instance type. */
258 SR_PRIV struct sr_serial_dev_inst *sr_serial_dev_inst_new(const char *port,
261 struct sr_serial_dev_inst *serial;
263 if (!(serial = g_try_malloc(sizeof(struct sr_serial_dev_inst)))) {
264 sr_err("hwdriver: %s: serial malloc failed", __func__);
268 serial->port = g_strdup(port);
274 SR_PRIV void sr_serial_dev_inst_free(struct sr_serial_dev_inst *serial)
276 g_free(serial->port);
279 SR_API int sr_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
284 if (!sdi || !sdi->driver || !sdi->driver->dev_config_set) {
285 sr_err("hwdriver: unable to set config option");
289 ret = sdi->driver->dev_config_set(sdi, hwcap, value);
294 SR_API GSList *sr_dev_inst_list(const struct sr_dev_driver *driver)
297 if (driver && driver->dev_list)
298 return driver->dev_list();
303 SR_API int sr_dev_inst_clear(const struct sr_dev_driver *driver)
306 if (driver && driver->dev_clear)
307 return driver->dev_clear();