X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhwdriver.c;h=1a502ca8cc37146b7409bf1f22d07ad4ba69eac6;hb=45b75c368fece1faa39c96d662de8fc7075db25f;hp=a676d026a6aadcc60d904f31494746090d14fef5;hpb=9e9dba7b41bdd87d4ce442bc9bf6507518e97000;p=libsigrok.git

diff --git a/src/hwdriver.c b/src/hwdriver.c
index a676d026..1a502ca8 100644
--- a/src/hwdriver.c
+++ b/src/hwdriver.c
@@ -171,12 +171,12 @@ static struct sr_key_info sr_key_info_config[] = {
 		"Equivalent circuit model", NULL},
 	{SR_CONF_OVER_TEMPERATURE_PROTECTION_ACTIVE, SR_T_BOOL, "otp_active",
 		"Over-temperature protection active", NULL},
+	{SR_CONF_UNDER_VOLTAGE_CONDITION, SR_T_BOOL, "uvc",
+		"Under-voltage condition", NULL},
+	{SR_CONF_UNDER_VOLTAGE_CONDITION_ACTIVE, SR_T_BOOL, "uvc_active",
+		"Under-voltage condition active", NULL},
 
 	/* Special stuff */
-	{SR_CONF_SCAN_OPTIONS, SR_T_STRING, "scan_options",
-		"Scan options", NULL},
-	{SR_CONF_DEVICE_OPTIONS, SR_T_STRING, "device_options",
-		"Device options", NULL},
 	{SR_CONF_SESSIONFILE, SR_T_STRING, "sessionfile",
 		"Session file", NULL},
 	{SR_CONF_CAPTUREFILE, SR_T_STRING, "capturefile",
@@ -189,6 +189,8 @@ static struct sr_key_info sr_key_info_config[] = {
 		"Data source", NULL},
 	{SR_CONF_PROBE_FACTOR, SR_T_UINT64, "probe_factor",
 		"Probe factor", NULL},
+	{SR_CONF_ADC_POWERLINE_CYCLES, SR_T_FLOAT, "nplc",
+		"Number of ADC powerline cycles", NULL},
 
 	/* Acquisition modes, sample limiting */
 	{SR_CONF_LIMIT_MSEC, SR_T_UINT64, "limit_time",
@@ -276,6 +278,7 @@ static struct sr_key_info sr_key_info_mqflag[] = {
 	{SR_MQFLAG_AVG, 0, "average", "Average", NULL},
 	{SR_MQFLAG_REFERENCE, 0, "reference", "Reference", NULL},
 	{SR_MQFLAG_UNSTABLE, 0, "unstable", "Unstable", NULL},
+	{SR_MQFLAG_FOUR_WIRE, 0, "four_wire", "4-Wire", NULL},
 	ALL_ZERO
 };
 
@@ -392,6 +395,43 @@ SR_API int sr_driver_init(struct sr_context *ctx, struct sr_dev_driver *driver)
 	return ret;
 }
 
+/**
+ * Enumerate scan options supported by this driver.
+ *
+ * Before calling sr_driver_scan_options_list(), the user must have previously
+ * initialized the driver by calling sr_driver_init().
+ *
+ * @param driver The driver to enumerate options for. This must be a pointer
+ *               to one of the entries returned by sr_driver_list(). Must not
+ *               be NULL.
+ *
+ * @return A GArray * of uint32_t entries, or NULL on invalid arguments. Each
+ *         entry is a configuration key that is supported as a scan option.
+ *         The array must be freed by the caller using g_array_free().
+ *
+ * @since 0.4.0
+ */
+SR_API GArray *sr_driver_scan_options_list(const struct sr_dev_driver *driver)
+{
+	GVariant *gvar;
+	const uint32_t *opts;
+	gsize num_opts;
+	GArray *result;
+
+	if (sr_config_list(driver, NULL, NULL, SR_CONF_SCAN_OPTIONS, &gvar) != SR_OK)
+		return NULL;
+
+	opts = g_variant_get_fixed_array(gvar, &num_opts, sizeof(uint32_t));
+
+	result = g_array_sized_new(FALSE, FALSE, sizeof(uint32_t), num_opts);
+
+	g_array_insert_vals(result, 0, opts, num_opts);
+
+	g_variant_unref(gvar);
+
+	return result;
+}
+
 static int check_options(struct sr_dev_driver *driver, GSList *options,
 		uint32_t optlist_key, struct sr_dev_inst *sdi,
 		struct sr_channel_group *cg)
@@ -547,6 +587,7 @@ static void log_key(const struct sr_dev_inst *sdi,
 {
 	const char *opstr;
 	const struct sr_key_info *srci;
+	gchar *tmp_str;
 
 	/* Don't log SR_CONF_DEVICE_OPTIONS, it's verbose and not too useful. */
 	if (key == SR_CONF_DEVICE_OPTIONS)
@@ -555,9 +596,11 @@ static void log_key(const struct sr_dev_inst *sdi,
 	opstr = op == SR_CONF_GET ? "get" : op == SR_CONF_SET ? "set" : "list";
 	srci = sr_key_info_get(SR_KEY_CONFIG, key);
 
+	tmp_str = g_variant_print(data, TRUE);
 	sr_spew("sr_config_%s(): key %d (%s) sdi %p cg %s -> %s", opstr, key,
 		srci ? srci->id : "NULL", sdi, cg ? cg->name : "NULL",
-		data ? g_variant_print(data, TRUE) : "NULL");
+		data ? tmp_str : "NULL");
+	g_free(tmp_str);
 }
 
 static int check_key(const struct sr_dev_driver *driver,