int response_bytes_read;
};
+static GSList *scpi_usbtmc_scan(struct drv_context *drvc)
+{
+ GSList *resources = NULL;
+ GDir *dir;
+ const char *dev_name;
+ char *resource;
+
+ (void)drvc;
+
+ if (!(dir = g_dir_open("/sys/class/usbmisc/", 0, NULL)))
+ if (!(dir = g_dir_open("/sys/class/usb/", 0, NULL)))
+ return NULL;
+ while ((dev_name = g_dir_read_name(dir))) {
+ if (strncmp(dev_name, "usbtmc", 6))
+ continue;
+ resource = g_strconcat("/dev/", dev_name, NULL);
+ resources = g_slist_append(resources, resource);
+ }
+ g_dir_close(dir);
+
+ return resources;
+}
+
static int scpi_usbtmc_dev_inst_new(void *priv, struct drv_context *drvc,
const char *resource, char **params, const char *serialcomm)
{
.name = "USBTMC",
.prefix = "/dev/usbtmc",
.priv_size = sizeof(struct usbtmc_scpi),
+ .scan = scpi_usbtmc_scan,
.dev_inst_new = scpi_usbtmc_dev_inst_new,
.open = scpi_usbtmc_open,
.source_add = scpi_usbtmc_source_add,