90 lines
3.0 KiB
Python
90 lines
3.0 KiB
Python
import bendev
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from prsctrl.Bentham import Bentham
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import time
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import datetime
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import logging
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log = logging.getLogger(__name__)
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from ..base import Lamp
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class Xenon(Lamp):
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def __init__(self):
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super().__init__()
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self.ps_serial_num = '32540/2'
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self.state = 0
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self.default_current = 5.4010
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def on(self):
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psu = self.apply_current(self.default_current)
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psu.query(":SYST:ERR:COUNT?")
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psu.write("OUTP ON"); psu.query("OUTP?")
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log.info("Xenon lamp switched on")
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self.state = 1
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def start(self):
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"""
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Starts xenon probe light lamp. Assumes lamp is connected
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to given power supply.
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Bentham TMC300 is also parked to ensure later operation.
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"""
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self.on()
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Bentham().park()
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def off(self):
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psu = bendev.Device(self.ps_serial_num)
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psu.query(":SYST:ERR:COUNT?")
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psu.write("OUTP OFF"); psu.query("OUTP?")
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log.info('Xenon lamp switched off')
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self.state = 0
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def reset_burntime(self):
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# Burntime of first lamp: 2900h
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# New lamp 25% light intensity increase
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psu = bendev.Device(self.ps_serial_num)
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psu.query(":SYST:ERR:COUNT?")
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psu.write(":RESEt:BURNtime"); psu.query("OUTP?")
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print('Xenon burntime reset')
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def apply_current(self, current_to_set):
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psu = bendev.Device(self.ps_serial_num)
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argument = ":SOUR:CURR " + str(current_to_set)
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psu.write(argument); psu.query(":CURR?")
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return psu
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def __status(self):
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psu = bendev.Device(self.ps_serial_num)
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if float(psu.query(":CURR?")) < 1:
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self.state = 0
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else:
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self.state = 1
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def initialize(self):
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"""
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Checks if xenon is switched on.
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If not switches xenon on.
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"""
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self.__status()
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if self.state == 0:
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print('Xenon lamp was just started. A warm up time of at least 60min is necessary!')
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self.start()
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else:
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self.apply_current(self.default_current)
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print('Xenon current reset to default.')
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def preset_start(self, hour=6, minute=00):
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"""
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Allows for delayed xenon start. Can be used to allow for warmup time in morning.
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Max delay 23h 59m.
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"""
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current_time = datetime.datetime.today()
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desired_day = current_time.day
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if current_time.hour > hour:
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desired_day += 1
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desired_time = datetime.datetime(current_time.year, current_time.month, desired_day, hour, minute)
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print('Xenon will be started: ', desired_time)
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while int(desired_time.timestamp()) - int(datetime.datetime.today().timestamp()) > 0:
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remaining = int(desired_time.timestamp()) - int(datetime.datetime.today().timestamp())
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print('\rWaiting: ' + time.strftime('%H:%M:%S', time.gmtime(remaining)) + ' remaining until xenon startup', end='')
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time.sleep(1)
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print('')
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self.start() |