def UpdateState(self):
# faults are sticky
if self.get_state() == Tg.DevState.FAULT:
return self.get_state()
MOD = self.modmux
# setup some alias to render code more readable
ch = self.Channel
READY = MOD.st_ready
ON = self.is_power_on()
if MOD.comm_fail:
self.STAT.COMM_ERROR(MOD.comm_fail)
elif READY is None:
s = BrukerALC_ModMux.stat_instance()
self.STAT.set_stat2(s.state, s.status)
elif not READY:
self.STAT.NOT_READY()
# READY guranteed after this line
elif self.is_busy():
self.update_busy()
elif not MOD.st_on:
self.STAT.OFF(what="power supply")
elif ON:
code = MOD.Imeas_state[self.Channel]
if code is None:
if MOD.Iref[self.Channel] is None:
self.STAT.ALARM("power on but setpoint unknown!")
else:
self.STAT.ON_CURRENT()
else:
status = "".join(error_str(code))
self.STAT.ALARM(status)
elif ON is None:
self.STAT.UNKNOWN("ready")
elif not ON:
self.STAT.OFF()
# otherwise the programmar made a mistake
else:
self.STAT.SYNTH_FAULT("ON=%r,READY=%r" % (ON, READY))
def init_device(self, cl, name):
PS.PowerSupply.init_device(self, cl, name)
M = self.modmux = BrukerALC_ModMux.modmux_instance()
if not self.Channel:
desc = "mandatory property 'Channel' not set for device %r (%s)" % (name, type(name).__name__)
raise Exception(desc)
try:
self.Channel = int(self.Channel)
except ValueError:
desc = "property 'Channel' of device %r must be an integer, not %r." % (name, self.Channel)
raise Exception(desc)
# informs modmux of channel hname
M.name[self.Channel] = self.get_name().rpartition("/")[2].upper()
# communicates Izero and Ilimit to modmux
offset = self._get_attr_correction("CurrentSetpoint", dflt=DEFAULT_CORRECT)["Offset"]
M.Izero[self.Channel] = int(offset)
Ilimit = self._correct2("Current", self.RegulationPrecision, True, dflt=DEFAULT_CORRECT)
M.Ilimit[self.Channel] = int(Ilimit)
self.STAT.INITIALIZED()
