sr: add unit field to sr_df_analog packet

[libsigrok.git] / sigrok.h.in

diff --git a/sigrok.h.in b/sigrok.h.in
index 5fc1e1871524d2497e28674d1a06c70ec4dc371f..304f1d8f4f4f217e90a0da038a7c3044c86e4b2c 100644 (file)
--- a/sigrok.h.in
+++ b/sigrok.h.in
@@ -167,6 +167,12 @@ enum {
        SR_DF_FRAME_END,
 };
 
+/* sr_datafeed_analog.unit values */
+enum {
+       SR_UNIT_VOLTAGE,
+       SR_UNIT_CURRENT,
+};
+
 struct sr_datafeed_packet {
        uint16_t type;
        void *payload;
@@ -194,6 +200,7 @@ struct sr_datafeed_meta_analog {
 
 struct sr_datafeed_analog {
        int num_samples;
+       int unit;
        float *data;
 };