EPICS_base/pvDatabase
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support hysteresis

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This commit is contained in:
mrkraimer
2019-06-04 14:56:18 -04:00
parent 6c91249340
commit 9b000ffe6c
1 changed files with 10 additions and 7 deletions
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17
src/support/scalarAlarmSupport.cpp
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@ -115,23 +115,26 @@ void ScalarAlarmSupport::process()
double hysteresis = pvHysteresis->get();
int alarmRange = range_Normal;
if(highAlarmLimit>lowAlarmLimit) {
if(value>=highAlarmLimit) {
if(value>=highAlarmLimit
||(prevAlarmRange==range_Hihi && value>=highAlarmLimit-hysteresis)) {
alarmRange = range_Hihi;
} else if(value<=lowAlarmLimit) {
} else if(value<=lowAlarmLimit
||(prevAlarmRange==range_Lolo && value<=lowAlarmLimit+hysteresis)) {
alarmRange = range_Lolo;
}
}
if(alarmRange==range_Normal && (pvHighWarningLimit>pvLowWarningLimit)) {
if(value>=highWarningLimit) {
if(alarmRange==range_Normal && (highWarningLimit>lowWarningLimit)) {
if(value>=highWarningLimit
||(prevAlarmRange==range_High && value>=highWarningLimit-hysteresis)) {
alarmRange = range_High;
} else if(value<=lowWarningLimit) {
} else if(value<=lowWarningLimit
||(prevAlarmRange==range_Low && value<=lowWarningLimit+hysteresis)) {
alarmRange = range_Low;
}
}
cout << "ScalarAlarmSupport::process() alarmRange " << alarmRange
<< " prevAlarmRange " << prevAlarmRange << "\n";
if(alarmRange!=prevAlarmRange) setAlarm(pvAlarm,alarmRange);
prevAlarmRange = alarmRange;
currentValue = value;
}
void ScalarAlarmSupport::reset()