*/
/* TODO: This shouldn't be a global. */
SR_API struct sr_hwcap_option sr_hwcap_options[] = {
+ /* Driver scanning options. */
+ {SR_HWOPT_MODEL, SR_T_KEYVALUE, "Model", "model"},
+ {SR_HWOPT_CONN, SR_T_CHAR, "Connection", "conn"},
+ {SR_HWOPT_SERIALCOMM, SR_T_CHAR, "Serial communication", "serialcomm"},
+ /* Device instance options. */
{SR_HWCAP_SAMPLERATE, SR_T_UINT64, "Sample rate", "samplerate"},
{SR_HWCAP_CAPTURE_RATIO, SR_T_UINT64, "Pre-trigger capture ratio", "captureratio"},
{SR_HWCAP_PATTERN_MODE, SR_T_CHAR, "Pattern generator mode", "pattern"},
{SR_HWCAP_FILTER, SR_T_CHAR, "Filter targets", "filter"},
{SR_HWCAP_VDIV, SR_T_RATIONAL_VOLT, "Volts/div", "vdiv"},
{SR_HWCAP_COUPLING, SR_T_CHAR, "Coupling", "coupling"},
- {SR_HWCAP_MODEL, SR_T_KEYVALUE, "Model", "model"},
- {SR_HWCAP_CONN, SR_T_CHAR, "Connection", "connect"},
- {SR_HWCAP_SERIALCOMM, SR_T_CHAR, "Serial communication", "serialcomm"},
{0, 0, NULL, NULL},
};
*/
SR_API struct sr_dev_driver **sr_driver_list(void)
{
+
return drivers_list;
}
/**
* Initialize a hardware driver.
*
- * The specified driver is initialized, and all devices discovered by the
- * driver are instantiated.
- *
* @param driver The driver to initialize.
*
- * @return The number of devices found and instantiated by the driver.
+ * @return SR_OK if all went well, or an error code otherwise.
*/
SR_API int sr_driver_init(struct sr_dev_driver *driver)
{
- int num_devs, num_probes, i, j;
- int num_initialized_devs = 0;
- struct sr_dev *dev;
- char **probe_names;
-
- sr_dbg("initializing %s driver", driver->name);
- num_devs = driver->init();
- for (i = 0; i < num_devs; i++) {
- num_probes = GPOINTER_TO_INT(
- driver->dev_info_get(i, SR_DI_NUM_PROBES));
- probe_names = (char **)driver->dev_info_get(i,
- SR_DI_PROBE_NAMES);
-
- if (!probe_names) {
- sr_warn("hwdriver: %s: driver %s does not return a "
- "list of probe names", __func__, driver->name);
- continue;
- }
-
- dev = sr_dev_new(driver, i);
- for (j = 0; j < num_probes; j++)
- sr_dev_probe_add(dev, probe_names[j]);
- num_initialized_devs++;
- }
- return num_initialized_devs;
+ if (driver->init)
+ return driver->init();
+
+ return SR_OK;
+}
+
+/**
+ * Tell a hardware driver to scan for devices.
+ *
+ * @param driver The driver.
+ * @param options A list of struct sr_hwopt options to pass to the driver's
+ * scanner.
+ *
+ * @return A GSList * of struct sr_dev_inst, or NULL if no devices were found.
+ * This list must be freed by the caller, but without freeing the data
+ * pointed to in the list.
+ */
+SR_API GSList *sr_driver_scan(struct sr_dev_driver *driver, GSList *options)
+{
+
+ if (driver->scan)
+ return driver->scan(options);
+
+ return NULL;
}
SR_PRIV void sr_hw_cleanup_all(void)