Add 'SR_MQ_DIFFERENCE' quantity for reporting relative difference
between the current measurement and the reference value. The value
of this quantity will normally be reported in percents. Add also
the flag 'SR_MQFLAG_REFERENCE' for indicating that the reported
value is not the current measurement but the reference value instead.
---
include/libsigrok/libsigrok.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/include/libsigrok/libsigrok.h b/include/libsigrok/libsigrok.h
index 924ec91..3cb83a1 100644
--- a/include/libsigrok/libsigrok.h
+++ b/include/libsigrok/libsigrok.h
@@ -219,6 +219,8 @@ enum sr_mq {
SR_MQ_QUALITY_FACTOR,
/** Phase angle. */
SR_MQ_PHASE_ANGLE,
+ /** Difference from reference value. */
+ SR_MQ_DIFFERENCE,
};
/** Unit of measured quantity, sr_datafeed_analog.unit. */
@@ -336,6 +338,8 @@ enum sr_mqflag {
SR_MQFLAG_DURATION = 0x20000,
/** Device is in "avg" mode, averaging upon each new value. */
SR_MQFLAG_AVG = 0x40000,
+ /** Reference value shown. */
+ SR_MQFLAG_REFERENCE = 0x80000,
};
enum sr_trigger_matches {
--
2.1.1
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