* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <config.h>
#include <stdio.h>
#include <glib.h>
-#include "config.h" /* Needed for HAVE_LIBUSB_1_0 and others. */
#include <libsigrok/libsigrok.h>
#include "libsigrok-internal.h"
return ret;
}
+/**
+ * Enumerate the configuration capabilities supported by a device instance
+ * for a given configuration key.
+ *
+ * @param sdi Pointer to the device instance to be checked. Must not be NULL.
+ * If the device's 'driver' field is NULL (virtual device), this
+ * function will always return FALSE (virtual devices don't have
+ * a hardware capabilities list).
+ * @param cg Pointer to a channel group, if a specific channel group is to
+ * be checked. Must be NULL to check device-wide options.
+ * @param[in] key The option that should be checked for is supported by the
+ * specified device.
+ *
+ * @retval A bitmask of enum sr_configcap values, which will be zero for
+ * invalid inputs or if the key is unsupported.
+ *
+ * @since 0.4.0
+ */
+SR_API int sr_dev_config_capabilities(const struct sr_dev_inst *sdi,
+ const struct sr_channel_group *cg, const int key)
+{
+ GVariant *gvar;
+ const int *devopts;
+ gsize num_opts, i;
+ int ret;
+
+ if (!sdi || !sdi->driver || !sdi->driver->config_list)
+ return 0;
+
+ if (sdi->driver->config_list(SR_CONF_DEVICE_OPTIONS,
+ &gvar, sdi, cg) != SR_OK)
+ return 0;
+
+ ret = 0;
+ devopts = g_variant_get_fixed_array(gvar, &num_opts, sizeof(int32_t));
+ for (i = 0; i < num_opts; i++) {
+ if ((devopts[i] & SR_CONF_MASK) == key) {
+ ret = devopts[i] & ~SR_CONF_MASK;
+ break;
+ }
+ }
+ g_variant_unref(gvar);
+
+ return ret;
+}
+
/**
* Allocate and init a new user-generated device instance.
*
}
g_slist_free(sdi->channel_groups);
+ if (sdi->session)
+ sr_session_dev_remove(sdi->session, sdi);
+
g_free(sdi->vendor);
g_free(sdi->model);
g_free(sdi->version);
{
#ifdef HAVE_LIBUSB_1_0
struct drv_context *drvc;
- int r, cnt, i, a, b;
+ int cnt, i, a, b;
char connection_id[64];
struct sr_usb_dev_inst *usb;
struct libusb_device **devlist;
- struct libusb_device_descriptor des;
#endif
if (!sdi)
}
for (i = 0; i < cnt; i++) {
- if ((r = libusb_get_device_descriptor(devlist[i], &des)) < 0) {
- sr_err("Failed to get device descriptor: %s.",
- libusb_error_name(r));
- continue;
- }
-
/* Find the USB device by the logical address we know. */
b = libusb_get_bus_number(devlist[i]);
a = libusb_get_device_address(devlist[i]);