Bases: KPFTranslatorFunction
Insert the intensity monitor (aka "cal diode") in to the beam and record
a measurement of the cal lamp intensity.
KTL Keywords Used:
kpflamps.INTENSEMON
kpfcal.SERIALCONN
kpfcal.INTENMON
kpfcal.NAVG
kpfcal.AVG
kpfcal.MEASURING
Scripts Called:
Source code in kpf/calbench/TakeIntensityReading.py
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95 | class TakeIntensityReading(KPFTranslatorFunction):
'''Insert the intensity monitor (aka "cal diode") in to the beam and record
a measurement of the cal lamp intensity.
KTL Keywords Used:
- `kpflamps.INTENSEMON`
- `kpfcal.SERIALCONN`
- `kpfcal.INTENMON`
- `kpfcal.NAVG`
- `kpfcal.AVG`
- `kpfcal.MEASURING`
Scripts Called:
- `kpf.utils.SendEmail`
'''
@classmethod
def pre_condition(cls, args, logger, cfg):
pass
@classmethod
def perform(cls, args, logger, cfg):
kpfcal = ktl.cache('kpfcal')
intensemon = ktl.cache('kpflamps', 'INTENSEMON')
if intensemon.read() == 'Off':
log.debug('Turning kpflamps.INTENSEMON on')
intensemon.write('On')
boottime = cfg.getfloat('times', 'intenmon_boot_time', fallback=5)
time.sleep(boottime)
if kpfcal['SERIALCONN'].read() == 'Off':
log.debug('Initiating serial connection')
kpfcal['SERIALCONN'].write('On')
expr = f"($kpfcal.SERIALCONN == 'On')"
boottime = cfg.getfloat('times', 'intenmon_boot_time', fallback=5)
success = ktl.waitFor(expr, timeout=boottime)
if success is False:
msg = f'Intensity monitor serial connection is Off'
log.error(msg)
SendEmail.execute({'Subject': 'TakeIntensityReading Failed',
'Message': f'{msg}'})
log.info('Moving Intensity Monitor in to beam')
kpfcal['INTENMON'].write('Boresight')
navg = cfg.getfloat('times', 'intenmon_avg_time', fallback=60)
log.info(f'Starting measurement: NAVG={navg}')
kpfcal['NAVG'].write(navg)
kpfcal['AVG'].write('On')
expr = f"($kpfcal.MEASURING == 'Yes')"
success = ktl.waitFor(expr, timeout=5)
if success is False:
msg = f'Intensity monitor is not measuring'
log.error(msg)
SendEmail.execute({'Subject': 'TakeIntensityReading Failed',
'Message': f'{msg}'})
expr = f"($kpfcal.AVG == 'Off')"
success = ktl.waitFor(expr, timeout=navg+10)
if success is False:
msg = f'Intensity monitor measurement timed out'
log.error(msg)
SendEmail.execute({'Subject': 'TakeIntensityReading Failed',
'Message': f'{msg}'})
log.info('Moving Intensity Monitor out of beam')
kpfcal['INTENMON'].write('Out')
log.debug('Turning kpflamps.INTENSEMON off')
intensemon.write('Off')
log.debug('Turning kpfcal.SERIALCONN off')
kpfcal['SERIALCONN'].write('Off')
@classmethod
def post_condition(cls, args, logger, cfg):
pass
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