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Flexible handler for NTScalar standard optional fields #149

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Flexible handler for NTScalar standard optional fields #149

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f1fd91d
Begun adding RulesHandler
Monarda Jul 18, 2024
4ccfb7c
Implementation and example for nthandlers
Monarda Aug 4, 2024
df902e4
Merge branch 'epics-base:master' into master
Monarda Aug 4, 2024
6c45ed9
Merge branch 'epics-base:master' into master
Monarda Aug 23, 2024
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19 changes: 19 additions & 0 deletions example/ntscalar_walarm.py
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Original file line number Diff line number Diff line change
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import logging
logger = logging.getLogger(__name__)

from p4p.nt import NTScalar
from p4p.server import Server
from p4p.server.thread import SharedPV
from p4p.server.nthandlers import NTScalarRulesHandler

# Construct PV with control and valueAlarm structures
# and then set the values of some of those values with a post
pv = SharedPV(nt=NTScalar('d', control=True, valueAlarm=True),
handler=NTScalarRulesHandler(),
initial=12.0)
pv.post({'control.limitHigh': 6,
'valueAlarm.active': True, 'valueAlarm.lowAlarmLimit': 1, 'valueAlarm.lowAlarmSeverity':2})

Server.forever(providers=[{
'demo:pv:name':pv, # PV name only appears here
}])
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