X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=sigrok.h.in;h=1d1f8caf8add72445a43a9232c9b970915d8738c;hb=f8c1fcda46584c3550a198625e0b5f0a58794b6e;hp=304f1d8f4f4f217e90a0da038a7c3044c86e4b2c;hpb=aff5a729abfaa016555f5d4a6a1e2c953405179d;p=libsigrok.git

diff --git a/sigrok.h.in b/sigrok.h.in
index 304f1d8f..1d1f8caf 100644
--- a/sigrok.h.in
+++ b/sigrok.h.in
@@ -167,10 +167,27 @@ enum {
 	SR_DF_FRAME_END,
 };
 
+/* sr_datafeed_analog.mq values */
+enum {
+	SR_MQ_VOLTAGE,
+	SR_MQ_CURRENT,
+	SR_MQ_RESISTANCE,
+	SR_MQ_CAPACITANCE,
+	SR_MQ_TEMPERATURE,
+	SR_MQ_FREQUENCY,
+	SR_MQ_DUTY_CYCLE,
+};
+
 /* sr_datafeed_analog.unit values */
 enum {
-	SR_UNIT_VOLTAGE,
-	SR_UNIT_CURRENT,
+	SR_UNIT_VOLT,
+	SR_UNIT_AMPERE,
+	SR_UNIT_OHM,
+	SR_UNIT_FARAD,
+	SR_UNIT_CELSIUS,
+	SR_UNIT_KELVIN,
+	SR_UNIT_HERTZ,
+	SR_UNIT_PERCENTAGE,
 };
 
 struct sr_datafeed_packet {
@@ -200,7 +217,8 @@ struct sr_datafeed_meta_analog {
 
 struct sr_datafeed_analog {
 	int num_samples;
-	int unit;
+	int mq; /* Measured quantity (e.g. voltage, current, temperature) */
+	int unit; /* Unit in which the MQ is measured. */
 	float *data;
 };