X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Finput%2Ffeed_queue.c;h=1647d8b0f2a6001a24cf2100ec5ff5aa6d38b024;hb=c12ca361e724ed1e04c659420d74dd68efe345a9;hp=b25fa77affdc8b7f90731dafa62ed5ef6b6ab9ab;hpb=f478c3e613ac047572cfad9c5dcde965050b17fe;p=libsigrok.git

diff --git a/src/input/feed_queue.c b/src/input/feed_queue.c
index b25fa77a..1647d8b0 100644
--- a/src/input/feed_queue.c
+++ b/src/input/feed_queue.c
@@ -162,6 +162,45 @@ SR_API struct feed_queue_analog *feed_queue_analog_alloc(
 	return q;
 }
 
+SR_API int feed_queue_analog_mq_unit(struct feed_queue_analog *q,
+	enum sr_mq mq, enum sr_mqflag mq_flag, enum sr_unit unit)
+{
+	int ret;
+
+	if (!q)
+		return SR_ERR_ARG;
+
+	ret = feed_queue_analog_flush(q);
+	if (ret != SR_OK)
+		return ret;
+
+	q->meaning.mq = mq;
+	q->meaning.mqflags = mq_flag;
+	q->meaning.unit = unit;
+
+	return SR_OK;
+}
+
+SR_API int feed_queue_analog_scale_offset(struct feed_queue_analog *q,
+	const struct sr_rational *scale, const struct sr_rational *offset)
+{
+	int ret;
+
+	if (!q)
+		return SR_ERR_ARG;
+
+	ret = feed_queue_analog_flush(q);
+	if (ret != SR_OK)
+		return ret;
+
+	if (scale)
+		q->encoding.scale = *scale;
+	if (offset)
+		q->encoding.offset = *offset;
+
+	return SR_OK;
+}
+
 SR_API int feed_queue_analog_submit(struct feed_queue_analog *q,
 	float data, size_t count)
 {