ResetRedDetector

Bases: KPFTranslatorFunction

Resets the kpfred detector

ARGS:

None

Source code in kpf/spectrograph/ResetDetectors.py 
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class ResetRedDetector(KPFTranslatorFunction):
    '''Resets the kpfred detector

    ARGS:
    =====
    None
    '''
    @classmethod
    def pre_condition(cls, args, logger, cfg):
        pass

    @classmethod
    def perform(cls, args, logger, cfg):
        # Check if the auto reset is already doing this
        current_expstate = ktl.cache('kpfred', 'EXPSTATE')
        current_expstate.read()
        if current_expstate == 'Resetting':
            return
        elif current_expstate == 'Exposing':
            log.warning('Can not send reset during exposure')
            return
        # Send the reset
        expose = ktl.cache('kpfred', 'EXPOSE')
        log.warning(f"Resetting: kpfred.EXPOSE = Reset")
        expose.write('Reset')
        log.debug('Reset command sent')

    @classmethod
    def post_condition(cls, args, logger, cfg):
        timeout = cfg.getfloat('times', 'kpfexpose_reset_time', fallback=10)
        log.warning(f"Waiting for kpfred to be Readout or Ready")
        expr = f"($kpfred.EXPOSE == 'Ready') or ($kpfred.EXPOSE == 'Readout')"
        success = ktl.waitFor(expr, timeout=timeout)
        if success is not True:
            expose = ktl.cache('kpfred', 'EXPOSE')
            raise FailedToReachDestination(expose.read(), 'Ready or Readout')
        else:
            kpfexpose = ktl.cache('kpfexpose')
            log.info(f"ResetRedDetector done")
            log.info(f"kpfexpose.EXPOSE = {kpfexpose['EXPOSE'].read()}")
            log.info(f"kpfexpose.EXPLAINR = {kpfexpose['EXPLAINR'].read()}")
            log.info(f"kpfexpose.EXPLAINNR = {kpfexpose['EXPLAINNR'].read()}")