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Add quantity and flag for difference measurements. 

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.
This commit is contained in:
Janne Huttunen 2014-10-11 15:47:29 +03:00 committed by Uwe Hermann
parent 87d8124577
commit 23601f2c7e
1 changed files with 4 additions and 0 deletions
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4
include/libsigrok/libsigrok.h
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@ -219,6 +219,8 @@ enum sr_mq {
SR_MQ_QUALITY_FACTOR, SR_MQ_QUALITY_FACTOR,
/** Phase angle. */ /** Phase angle. */
SR_MQ_PHASE_ANGLE, SR_MQ_PHASE_ANGLE,
/** Difference from reference value. */
SR_MQ_DIFFERENCE,
}; };
/** Unit of measured quantity, sr_datafeed_analog.unit. */ /** Unit of measured quantity, sr_datafeed_analog.unit. */
@ -336,6 +338,8 @@ enum sr_mqflag {
SR_MQFLAG_DURATION = 0x20000, SR_MQFLAG_DURATION = 0x20000,
/** Device is in "avg" mode, averaging upon each new value. */ /** Device is in "avg" mode, averaging upon each new value. */
SR_MQFLAG_AVG = 0x40000, SR_MQFLAG_AVG = 0x40000,
/** Reference value shown. */
SR_MQFLAG_REFERENCE = 0x80000,
}; };
enum sr_trigger_matches { enum sr_trigger_matches {