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[WIP] ccracks / ccu4: split ccu() into nv(), he() and flow()

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Change-Id: I346330a5f350bf03eefe86c8e890b59afaaaa231
This commit is contained in:
zolliker
2025-03-31 10:45:25 +02:00
parent df4dec6db5
commit 1febb7bacf
3 changed files with 344 additions and 290 deletions
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63
frappy_psi/ccracks.py
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@ -28,6 +28,7 @@ class Rack:
raise ConfigError(f'no rack found in {instpath}')
self.props = {} # dict (<property>, <method>) of value
self.mods = {} # dict (<property>, <method>) of list of <cfg>
self.ccu_uri = {}
def set_props(self, mod, **kwds):
for prop, method in kwds.items():
@ -88,43 +89,47 @@ class Rack:
mod = Mod(name, max_heater=max_heater, resistance=resistance, **kwds)
self.set_props(mod, io='lakeshore', device='lakeshore', description=f'heater({name})')
def ccu(self, ccu_uri=None, ccu_io='ccu_io', he=None, n2=None, **kwds):
Mod = self.modfactory
self.ccu_io = ccu_io
def ccu(self, name=None, ccu_uri=None, ccu_io='ccu_io', args_for_io=None, **kwds):
if args_for_io is None:
args_for_io, kwds = kwds, {}
prev_uri = self.ccu_uri.get(ccu_io)
ccu_uri = ccu_uri or self.config.get('ccu_uri')
# self.devname = ccu_devname
Mod(ccu_io, 'frappy_psi.ccu4.IO',
'comm. to CCU4', uri=ccu_uri)
if he:
if not isinstance(he, str): # e.g. True
he = 'He_lev'
Mod(he, cls='frappy_psi.ccu4.HeLevel',
description='the He Level', io=self.ccu_io)
if n2:
if isinstance(n2, str):
n2 = n2.split(',')
else: # e.g. True
n2 = []
n2, valve, upper, lower = n2 + ['N2_lev', 'N2_valve', 'N2_upper', 'N2_lower'][len(n2):]
print(n2, valve, upper, lower)
Mod(n2, cls='frappy_psi.ccu4.N2Level',
description='the N2 Level', io=ccu_io,
valve=valve, upper=upper, lower=lower)
Mod(valve, cls='frappy_psi.ccu4.N2FillValve',
description='LN2 fill valve', io=ccu_io)
Mod(upper, cls='frappy_psi.ccu4.N2TempSensor',
description='upper LN2 sensor')
Mod(lower, cls='frappy_psi.ccu4.N2TempSensor',
description='lower LN2 sensor')
if prev_uri:
if prev_uri == ccu_uri:
return kwds # already configured
raise ConfigError(f'rack.{name or "ccu"}: ccu_uri {prev_uri} does not match {ccu_uri}')
self.ccu_uri[ccu_io] = ccu_uri
self.modfactory(ccu_io, 'frappy_psi.ccu4.IO', 'comm. to CCU4', uri=ccu_uri, **args_for_io)
return kwds
def hepump(self, hepump_uri=None, hepump_type=None, hepump_io='hepump_io',
def he(self, name='He_lev', ccu_io='ccu_io', **kwds):
self.ccu('he', ccu_io=ccu_io, args_for_io={}, **kwds)
self.modfactory(name, cls='frappy_psi.ccu4.HeLevel',
description='the He Level', io=ccu_io, **kwds)
def n2(self, name='N2_lev', valve='N2_valve', upper='N2_upper', lower='N2_lower', ccu_io='ccu_io', **kwds):
self.ccu('n2', ccu_io=ccu_io, args_for_io={}, **kwds)
Mod = self.modfactory
Mod(name, cls='frappy_psi.ccu4.N2Level',
description='the N2 Level', io=ccu_io,
valve=valve, upper=upper, lower=lower)
Mod(valve, cls='frappy_psi.ccu4.N2FillValve',
description='LN2 fill valve', io=ccu_io)
Mod(upper, cls='frappy_psi.ccu4.N2TempSensor',
description='upper LN2 sensor')
Mod(lower, cls='frappy_psi.ccu4.N2TempSensor',
description='lower LN2 sensor')
def flow(self, hepump_uri=None, hepump_type=None, hepump_io='hepump_io',
hepump='hepump', hepump_mot='hepump_mot', hepump_valve='hepump_valve',
flow_sensor='flow_sensor', pump_pressure='pump_pressure', nv='nv',
ccu_io='ccu_io', **kwds):
"""creates needle valve and pump access if available"""
kwds = self.ccu('flow', ccu_io=ccu_io, args_for_io={}, **kwds)
Mod = self.modfactory
hepump_type = hepump_type or self.config.get('hepump_type', 'no')
Mod(nv, 'frappy_psi.ccu4.NeedleValveFlow', 'flow from flow sensor or pump pressure',
flow_sensor=flow_sensor, pressure=pump_pressure, io=ccu_io)
flow_sensor=flow_sensor, pressure=pump_pressure, io=ccu_io, **kwds)
Mod(pump_pressure, 'frappy_psi.ccu4.Pressure', 'He pump pressure', io=ccu_io)
if hepump_type == 'no':
print('no pump, no flow meter - using flow from pressure alone')