def doRead(self, maxage=0):
self.comm('A1R2R3R4R') # all LEDs off
if self.override != 'no':
monoh = monov = self.override
else:
monoh = self.comm('ER1;2;3')
self.log.debug('mono_h code is %s', monoh)
monov = self.comm('ER5;6;7')
self.log.debug('mono_v code is %s', monov)
if monoh != monov:
raise HardwareError(self, 'monocodes from MFV and MFH are '
'different!')
if monoh in MONOCODES:
# set LED
led = MONOCODES[monoh][0]
if led:
if led < 5:
self.comm('A%dS' % led)
else:
self.comm('A1S2R3S4R')
else:
# set all to indicate empty to distinguish from no power....
self.comm('A1S2S3S4S')
return MONOCODES[monoh][1]
else:
raise HardwareError(self, 'unknown monochromator or wires broken')
def doWriteShuttermode(self, value):
if self._shutter:
return self._shutter.doWriteShuttermode(value)
raise HardwareError('Not supported')