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92-timedshutter.py
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#Capillary destructive testing (pre-shutter only)
import datetime
def timed_shutter_pre(exp_time, *, md=None):
'''Opens the pre-shutter for a defined exposure time.
Prerequisites: FE photon shutter and any downstream shutters are open
Parameter
---------
exp_time: float
Exposure time in seconds
'''
dets = [shutter]
if md is None:
md = {}
md['exp_time'] = exp_time
@bpp.run_decorator(md={'plan_name': 'timed_shutter_pre'})
def inner_plan():
yield from bps.clear_checkpoint()
#check state of FE shutter
if pps_shutter.status.get() == 'Not Open' and EpicsSignalRO(pps_shutter.enabled_status.pvname).get() == 1:
raise Exception("The photon shutter is not open. Open it first!")
# open the shutter
yield from bps.abs_set(shutter, 'Open', wait=True)
yield from bps.trigger_and_read(dets)
print('Pre-shutter opened')
print("({}) Exposing for {:.2f} s".format(datetime.datetime.now().strftime(_time_fmtstr), exp_time))
# wait
yield from bps.sleep(exp_time)
# close the shutter
yield from bps.abs_set(shutter, 'Close', wait=True)
print('closed pre-shutter')
yield from bps.trigger_and_read(dets)
def clean_up():
yield from bps.abs_set(shutter, 'Close', wait=True)
yield from bpp.finalize_wrapper(inner_plan(), clean_up())
def timed_shutter(exp_time, *, md=None):
'''Opens the PPS shutter and pre-shutter for a defined exposure time.
Prerequisites: Any other downstream shutters are open
Parameter
---------
exp_time: float
Exposure time in seconds
'''
dets = [pps_shutter, shutter]
if md is None:
md = {}
md['exp_time'] = exp_time
@bpp.run_decorator(md={'plan_name': 'timed_shutter'})
def inner_plan():
yield from bps.clear_checkpoint()
# open the PPS and preshutters
if EpicsSignalRO(pps_shutter.enabled_status.pvname).get() == 0:
raise Exception("Can't open FE shutter! Check that the hutch is interlocked and the shutter is enabled.")
yield from bps.abs_set(pps_shutter, 'Open', wait=True)
print('FE shutter opened')
yield from bps.sleep(1)
yield from bps.abs_set(shutter, 'Open', wait=True)
yield from bps.trigger_and_read(dets)
print('Pre-shutter opened')
print("({}) Exposing for {:.2f} s".format(datetime.datetime.now().strftime(_time_fmtstr), exp_time))
# wait
yield from bps.sleep(exp_time)
# close the shutters
yield from bps.abs_set(shutter, 'Close', wait=True)
print('closed pre-shutter')
yield from bps.sleep(1)
yield from bps.abs_set(pps_shutter, 'Close', wait=True)
print('closed FE shutter')
yield from bps.trigger_and_read(dets)
def clean_up():
yield from bps.abs_set(shutter, 'Close', wait=True)
yield from bps.abs_set(pps_shutter, 'Close', wait=True)
yield from bpp.finalize_wrapper(inner_plan(), clean_up())
#Functions to actuate BIFS sample shutter
def timed_sam_shutter_fe(ss_exp_time, *, md=None):
'''Opens the FE photon shutter, then the sample shutter for a defined time.
Prerequisites: pre-shutter is open.
Parameter
---------
ss_exp_time: float
Exposure time in seconds
'''
_md = {'plan_name': 'timed_sam_shutter_fe',
'exp_time': ss_exp_time}
_md.update(md or {})
@bpp.run_decorator(md=_md)
def inner_shutter_plan():
#check state of FE shutter, raise exception if it is not enabled.
#check state of pre-shutter, throw exception if it is not open
if EpicsSignalRO(pps_shutter.enabled_status.pvname).get() == 0:
raise Exception("Can't open photon shutter! Check that the hutch is interlocked and the shutter is enabled.")
if pre_shutter.status.get() == 'Not Open':
print("WARNING: Pre-shutter is not open. No X-rays will reach the sample.")
#Open FE shutter, actuate sample shutter, then close FE shutter
yield from bps.abs_set(pps_shutter, 'Open', wait=True)
print('Photon shutter opened.')
yield from bps.sleep(1)
yield from bps.abs_set(diode_shutter, 'Open', wait=True)
print(f"Opening DIODE sample shutter for a {ss_exp_time} second(s) exposure.")
yield from bps.sleep(ss_exp_time)
yield from bps.abs_set(diode_shutter, 'Close', wait=True)
print("Closed DIODE sample shutter.")
yield from bps.sleep(1)
yield from bps.abs_set(pps_shutter, 'Close', wait=True)
print('Closed Photon shutter.')
return (yield from inner_shutter_plan())
def timed_sam_shutter(ss_exp_time, *, md=None):
'''Opens the sample shutter for a defined exposure time.
Prerequisites: FE photon shutter and pre-shutter are open
Parameter
---------
ss_exp_time: float
Exposure time in seconds
'''
_md = {'plan_name': 'timed_sam_shutter',
'exp_time': ss_exp_time}
_md.update(md or {})
@bpp.run_decorator(md=_md)
def inner_shutter_plan():
#Check state of PPS and pre_shutters, warn user but don't open.
if EpicsSignalRO(pps_shutter.enabled_status.pvname).get() == 0:
print("WARNING: Photon shutter is not enabled. No beam will reach sample.")
if pps_shutter.status.get() == 'Not Open':
print("WARNING: Photon shutter is closed. No beam will reach sample.")
if pre_shutter.status.get() == 'Not Open':
print("WARNING: Pre-shutter is closed. No beam will reach sample.")
#Open sample shutter for specified time
yield from bps.abs_set(diode_shutter, 'Open')
print(f"Opening DIODE sample shutter for a {ss_exp_time} second(s) exposure.")
yield from bps.sleep(ss_exp_time)
yield from bps.abs_set(diode_shutter, 'Close')
print("Closed DIODE sample shutter.")
return(yield from inner_shutter_plan())
#Functions to actuate Uniblitz fast shutter
def timed_uniblitz(fire_time, *, md=None):
'''Opens the Uniblitz shutter for a defined exposure time.
Prerequisites: All upstream shutters are open
Parameter
---------
fire_time: float
Exposure time in seconds
'''
_md = {'plan_name': 'timed_uniblitz',
'exp_time': fire_time}
_md.update(md or {})
@bpp.run_decorator(md=_md)
def inner_uniblitz_plan():
#Check state of upstream shutters, warn user but don't open.
if EpicsSignalRO(pps_shutter.enabled_status.pvname).get() == 0:
print("WARNING: Photon shutter is not enabled. No beam will reach sample.")
if pps_shutter.status.get() == 'Not Open':
print("WARNING: Photon shutter is closed. No beam will reach sample.")
if pre_shutter.status.get() == 'Not Open':
print("WARNING: Pre-shutter is closed. No beam will reach sample.")
if diode_shutter.status_closed.get() == 1:
print("WARNING: Sample shutter is closed. No beam will reach sample.")
yield from bps.mv(dg, fire_time) #set Uniblitz opening time
yield from bps.mv(dg.fire, 1) #fire Uniblitz
yield from bps.sleep(fire_time*1.1) #wait for shutter to finish
if fire_time <= 1:
print(f"Fired Uniblitz shutter for {fire_time*1000} millseconds.")
else:
print(f"Fired Uniblitz shutter for {fire_time} seconds.")
return(yield from inner_uniblitz_plan())
def timed_uniblitz_ss(fire_time, *, md=None):
'''Opens the sample shutter, then Uniblitz shutter for a defined exposure time.
Prerequisites: FE photon shutter and pre-shutter are open
Parameter
---------
fire_time: float
Exposure time in seconds
'''
_md = {'plan_name': 'timed_uniblitz_ss',
'exp_time': fire_time}
_md.update(md or {})
@bpp.run_decorator(md=_md)
def inner_uniblitz_plan():
#Check state of PPS and pre shutters, warn user but don't open.
if EpicsSignalRO(pps_shutter.enabled_status.pvname).get() == 0:
print("WARNING: Photon shutter is not enabled. No beam will reach sample.")
if pps_shutter.status.get() == 'Not Open':
print("WARNING: Photon shutter is closed. No beam will reach sample.")
if pre_shutter.status.get() == 'Not Open':
print("WARNING: Pre-shutter is closed. No beam will reach sample.")
yield from bps.mv(diode_shutter, 'Open')
print("Opened DIODE sample shutter.")
if fire_time <= 0.5: #sample-shutter sleep for short exposure times
yield from bps.sleep(0.5)
#yield from timed_uniblitz(fire_time)
yield from bps.mv(dg, fire_time) #set Uniblitz opening time
yield from bps.mv(dg.fire, 1) #fire Uniblitz
yield from bps.sleep(fire_time*1.1) #wait for shutter to finish
if fire_time <= 1:
print(f"Fired Uniblitz shutter for {fire_time*1000} millseconds.")
else:
print(f"Fired Uniblitz shutter for {fire_time} seconds.")
if fire_time <= 0.5:
yield from bps.sleep(0.5)
yield from bps.mv(diode_shutter, 'Close')
print("Closed DIODE sample shutter.")
return(yield from inner_uniblitz_plan())
def timed_uniblitz_fe(fire_time, *, md=None):
'''Opens the PPS + sample shutters, then Uniblitz shutter for a defined exposure time.
Prerequisites: Pre-shutter is open
Parameter
---------
fire_time: float
Exposure time in seconds
'''
_md = {'plan_name': 'timed_uniblitz_fe',
'exp_time': fire_time}
_md.update(md or {})
@bpp.run_decorator(md=_md)
def inner_uniblitz_plan():
#Check state of PPS and pre-shutters
#Raise exception of PPS shutter is disabled; warn user about pre-shutter but don't open.
if EpicsSignalRO(pps_shutter.enabled_status.pvname).get() == 0:
raise Exception("Can't open photon shutter! Check that the hutch is interlocked and the shutter is enabled.")
if pre_shutter.status.get() == 'Not Open':
print("WARNING: Pre-shutter is closed. No beam will reach sample.")
yield from bps.abs_set(pps_shutter, 'Open', wait=True)
print('Photon shutter opened.')
yield from bps.sleep(1)
yield from bps.mv(diode_shutter, 'Open')
print("Opened DIODE sample shutter.")
if fire_time <= 0.5: #sample-shutter sleep for short exposure times
yield from bps.sleep(0.5)
#yield from timed_uniblitz(fire_time)
yield from bps.mv(dg, fire_time) #set Uniblitz opening time
yield from bps.mv(dg.fire, 1) #fire Uniblitz
yield from bps.sleep(fire_time*1.1) #wait for shutter to finish
if fire_time <= 1:
print(f"Fired Uniblitz shutter for {fire_time*1000} millseconds.")
else:
print(f"Fired Uniblitz shutter for {fire_time} seconds.")
if fire_time <= 0.5:
yield from bps.sleep(0.5)
yield from bps.mv(diode_shutter, 'Close')
print("Closed DIODE sample shutter.")
yield from bps.sleep(1)
yield from bps.abs_set(pps_shutter, 'Close', wait=True)
print('Closed photon shutter.')
return(yield from inner_uniblitz_plan())