X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Frigol-ds%2Fapi.c;h=af15587db2e36fef02c2a6c1963e01ad56e81542;hb=1cbb3b1cfbd0334001bde052413cc7aa869d5994;hp=e86c922e630167efba80f66b7939760d85796d21;hpb=77f3c5e51f86ca45bf8f9aaf74634e6310bae6e4;p=libsigrok.git

diff --git a/src/hardware/rigol-ds/api.c b/src/hardware/rigol-ds/api.c
index e86c922e..af15587d 100644
--- a/src/hardware/rigol-ds/api.c
+++ b/src/hardware/rigol-ds/api.c
@@ -526,7 +526,6 @@ static int config_get(uint32_t key, GVariant **data,
 	struct dev_context *devc;
 	struct sr_channel *ch;
 	const char *tmp_str;
-	uint64_t samplerate;
 	int analog_channel = -1;
 	float smallest_diff = INFINITY;
 	int idx = -1;
@@ -570,14 +569,7 @@ static int config_get(uint32_t key, GVariant **data,
 			*data = g_variant_new_string("Segmented");
 		break;
 	case SR_CONF_SAMPLERATE:
-		if (devc->data_source == DATA_SOURCE_LIVE) {
-			samplerate = analog_frame_size(sdi) /
-				(devc->timebase * devc->model->series->num_horizontal_divs);
-			*data = g_variant_new_uint64(samplerate);
-		} else {
-			sr_dbg("Unknown data source: %d.", devc->data_source);
-			return SR_ERR_NA;
-		}
+		*data = g_variant_new_uint64(devc->sample_rate);
 		break;
 	case SR_CONF_TRIGGER_SOURCE:
 		if (!strcmp(devc->trigger_source, "ACL"))
@@ -990,6 +982,20 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 
 	devc->channel_entry = devc->enabled_channels;
 
+	if (devc->data_source == DATA_SOURCE_LIVE)
+		devc->sample_rate = analog_frame_size(sdi) / 
+			(devc->timebase * devc->model->series->num_horizontal_divs);
+	else {
+		float xinc;
+		if (devc->model->series->protocol >= PROTOCOL_V3 && 
+				sr_scpi_get_float(sdi->conn, "WAV:XINC?", &xinc) != SR_OK) {
+			sr_err("Couldn't get sampling rate");
+			return SR_ERR;
+		}
+		devc->sample_rate = 1. / xinc;
+	}
+
+
 	if (rigol_ds_capture_start(sdi) != SR_OK)
 		return SR_ERR;