class DisplayEpicsPVClass(ScannableBase):
'''Create PD to display single EPICS PV'''
def __init__(self, name, pvstring, unitstring, formatstring):
self.setName(name)
self.setInputNames([])
self.setExtraNames([name])
self.Units = [unitstring]
self.setOutputFormat([formatstring])
self.setLevel(3)
self.cli = CAClient(pvstring)
def atStart(self):
if not self.cli.isConfigured():
self.cli.configure()
def getPosition(self):
if self.cli.isConfigured():
return float(self.cli.caget())
else:
self.cli.configure()
return float(self.cli.caget())
self.cli.clearup()
def isBusy(self):
return 0
def atEnd(self):
if self.cli.isConfigured():
self.cli.clearup()
class KepkoCurrent(ScannableMotionBase):
def __init__(self, name, pv):
self.setName(name)
self.setInputNames(['Ampere'])
self.setOutputFormat(['%2.4f'])
self.setLevel(6)
self.ch = CAClient(pv)
self.ch.configure()
def atScanStart(self):
return
def atScanEnd(self):
return
def getPosition(self):
return float(self.ch.caget()) * 0.4
def asynchronousMoveTo(self, newpos):
self.ch.caput(newpos / 0.4)
sleep(0.5)
return None
def isBusy(self):
return False
class BeamCurrent(ScannableMotionBase):
def __init__(self, name):
self.setName(name)
self.setInputNames([])
self.setExtraNames([])
self.setOutputFormat([])
self.setLevel(7)
self.MinLevel = 1
self.ricur = CAClient("SR21C-DI-DCCT-01:SIGNAL")
self.ricur.configure()
self.shutter = CAClient("FE05I-PS-SHTR-02:STA")
self.shutter.configure()
self.wasOff = False
def isBusy(self):
if float(self.ricur.caget()) < self.MinLevel:
if self.wasOff == False:
self.wasOff = True
return True
return False
def getPosition(self):
return None
def asynchronousMoveTo(self, newPosition):
self.MinLevel = newPosition
class ScalerEpicsPVClass: def __init__(self, name, strPV, time): self.setName(name); self.setInputNames([]) self.setExtraNames([name]); # self.setOutputFormat(['%d']) self.setLevel(3) self.chTP=CAClient(strPV+'.TP') self.chCNT=CAClient(strPV+'.CNT') self.chFREQ=CAClient(strPV+'.FREQ') for n in range(64): self.chScalerValue[n]=CAClient(strPV+'.S' + n) #self.chPreset[n]= CAClient(strPV+'.PR' + n) def atScanStart(self): if not self.cli.isConfigured(): self.cli.configure() def getPosition(self): return float(0) def asynchronousMoveTo(self,new_position): np = new_position; try: if self.chCNT.isConfigured(): self.chCNT.caput(np) else: self.chCNT.configure() self.chCNT.caput(np) self.incli.clearup() except Exception, e : print "error in asynchronousMoveTo" print e
class EpicsReadWritePVClass(ScannableMotionBase): '''Create PD to display single EPICS PV''' def __init__(self, name, pvstring, unitstring, formatstring): self.setName(name); self.setInputNames([name]) self.Units=[unitstring] self.setOutputFormat([formatstring]) self.setLevel(8) self.outcli=CAClient(pvstring) def rawGetPosition(self): output=0.0 try: if not self.outcli.isConfigured(): self.outcli.configure() output=float(self.outcli.caget()) output = self.getOutputFormat()[0] % output return float(output) except: print "Error returning position" return 0 def rawAsynchronousMoveTo(self,position): self.new_position=position # need this attribute for some other classes try: if self.outcli.isConfigured(): self.outcli.caput(position) else: self.outcli.configure() self.outcli.caput(position) except: print "error moving to position %f" % float(position) def rawIsBusy(self): return 0
def sample_stage_home():
if is_live():
print('Homing sample stage')
caClient = CAClient()
try:
caClient.configure()
caClient.caput('BL08I-EA-TABLE-01:HM:HMGRP', 'All', 1)
caClient.caput('BL08I-EA-TABLE-01:HM:HOME', 1, 30)
finally:
caClient.clearup()
else:
print('Homing sample stage (dummy)')
SampleX.getMotor().home()
SampleY.getMotor().home()
SampleX_coarse.getMotor().home()
SampleY_coarse.getMotor().home()
SampleX_fine.getMotor().home()
SampleY_fine.getMotor().home()
SampleX.waitWhileBusy()
SampleY.waitWhileBusy()
SampleX_coarse.waitWhileBusy()
SampleY_coarse.waitWhileBusy()
SampleX_fine.waitWhileBusy()
SampleY_fine.waitWhileBusy()
print('Finished homing sample stage')
class EpicsSetGetClass(ScannableMotionBase):
'''Create PD for single EPICS positioner'''
def __init__(self, name, pvinstring, pvoutstring, unitstring,
formatstring):
self.setName(name)
self.setInputNames([name])
self.Units = [unitstring]
self.setOutputFormat([formatstring])
self.setLevel(3)
self.incli = CAClient(pvinstring)
self.outcli = CAClient(pvoutstring)
def getPosition(self):
try:
self.outcli.configure()
output = float(self.outcli.caget())
self.outcli.clearup()
return output
except:
print "Error returning position"
return 0
def asynchronousMoveTo(self, new_position):
try:
self.incli.configure()
self.incli.caput(new_position)
self.incli.clearup()
except:
print "error moving to position"
def isBusy(self):
return 0
class DisplayEpicsPVClass(ScannableMotionBase): '''Create PD to display single EPICS PV''' def __init__(self, name, pvstring, unitstring, formatstring): self.setName(name); self.setInputNames([name]) self.Units=[unitstring] self.setOutputFormat([formatstring]) self.setLevel(8) self.outcli=CAClient(pvstring) def rawGetPosition(self): output=0.0 try: if not self.outcli.isConfigured(): self.outcli.configure() output=float(self.outcli.caget()) #print output #sleep(10) #self.outcli.clearup() output = self.getOutputFormat()[0] % output return float(output) except: print "Error returning position" return 0 def rawAsynchronousMoveTo(self,position): return def rawIsBusy(self): return 0
def caget(pvstring): 'caget from Jython' cli=CAClient(pvstring) cli.configure() out=cli.caget() cli.clearup() return out
class EnumPVScannable(ScannableMotionBase):
'''
support get and set a multiple values Enum PV. There is no wait or check on set a value to the PV.
Once instantiated the object must be configured first before use
'''
def __init__(self, name, pv):
'''
Constructor
'''
self.setName(name)
self.setInputNames([name])
self.pvcli = CAClient(pv)
self.availablePositions = []
self.pvcli.configure()
sleep(1)
self.availablePositions = self.pvcli.cagetLables()
def getPosition(self):
return self.pvcli.caget()
def asynchronousMoveTo(self, newpos):
if newpos in self.availablePositions:
self.pvcli.caput(self.availablePositions.index(newpos))
else:
raise Exception("Requested mode %s is not available in list %s" %
(newpos, self.availablePositions))
def isBusy(self):
return False
def toFormattedString(self):
return "%s: %s" % (self.getName(), self.getPosition())
def __del__(self):
self.pvcli.clearup()
class WaveformCapturer(DetectorBase):
'''
read-only detector to capture a data array from specified PV
'''
def __init__(self, name, pvname):
'''
Constructor
'''
self.setName(name)
self.pv=pvname
self.caclient=CAClient(pvname)
self.pointNumber=0
def collectData(self):
#read-only waveform does not need to be triggered
pass
def getStatus(self):
#read-only waveform always available
return 0
def readout(self):
try:
if not self.caclient.isConfigured():
self.caclient.configure()
output=self.caclient.cagetArrayDouble()
self.caclient.clearup()
else:
output=self.caclient.cagetArrayDouble()
return self.writeDataToFile(output)
except Exception, err:
print "Error returning current position", err
raise Exception
class MonitorEpicsPVClass(ScannableMotionBase): def __init__(self, name, strPV, strUnit, strFormat): self.setName(name); self.setInputNames([]) self.setExtraNames([name]); self.Units=[strUnit] self.setOutputFormat([strFormat]) self.setLevel(3) self.cli=CAClient(strPV) def atScanStart(self): if not self.cli.isConfigured(): self.cli.configure() def getPosition(self): if self.cli.isConfigured(): return float(self.cli.caget()) else: self.cli.configure() return float(self.cli.caget()) def isBusy(self): return 0 def atScanEnd(self): if self.cli.isConfigured(): self.cli.clearup()
def caget(pvstring):
'caget from Jython'
cli = CAClient(pvstring)
cli.configure()
out = cli.caget()
cli.clearup()
return out
class DisplayEpicsPVClass(ScannableBase):
"""Create PD to display single EPICS PV"""
def __init__(self, name, pvstring, unitstring, formatstring):
self.setName(name)
self.setInputNames([])
self.setExtraNames([name])
self.Units = [unitstring]
self.setOutputFormat([formatstring])
self.setLevel(3)
self.cli = CAClient(pvstring)
def atStart(self):
if not self.cli.isConfigured():
self.cli.configure()
def getPosition(self):
if self.cli.isConfigured():
return float(self.cli.caget())
else:
self.cli.configure()
return float(self.cli.caget())
self.cli.clearup()
def isBusy(self):
return 0
def atEnd(self):
if self.cli.isConfigured():
self.cli.clearup()
class BimorphVoltage(ScannableMotionBase):
def __init__(self, name, pvName, unitstring, formatstring):
self.setName(name)
self.voltagePv = CAClient(pvName)
self.Units = [unitstring]
self.setOutputFormat([formatstring])
def getPosition(self):
try:
if self.voltagePv.isConfigured():
return float(self.voltagePv.caget())
else:
self.voltagePv.configure()
return float(self.voltagePv.caget())
except:
print "Error getting position"
def asynchronousMoveTo(self, new_position):
self.currentposition = new_position
try:
if self.voltagePv.isConfigured():
self.voltagePv.caput(new_position)
else:
self.voltagePv.configure()
self.voltagePv.caput(new_position)
self.voltagePv.clearup()
except:
print "Error in moveTo"
def isBusy(self):
return 0
class HexapodAxis(PseudoDevice):
'''scannable or pseudo device for an individual, single Hexapod axis, it takes 8 inputs in the following order:
1. the name string of this object
2. the PV string for input target value
3. the PV string for read-back value
4. the PV string that control or start the motion
5. the positional tolerance within which the motor is treated as in-position
6. the unit string used for the measurement, keyworded as 'unitstring'
7. the format string for the return data, keyworded as 'formatstring'
8. the hexapod controller instance
for example,
hpx=HexapodAxis('hpx', 'ME02P-MO-BASE-01:UCS_X','ME02P-MO-BASE-01:UCSXR', 'ME02P-MO-BASE-01:START.PROC', 0.01, 'mm', '%9.4f', hexapodController)
'''
def __init__(self, name, pvinstring, pvoutstring, pvctrlstring, tolerance=0.01, unitstring='mm', formatstring='%9.4f', controller=None):
self.setName(name);
self.setInputNames([name])
self.Units=[unitstring]
self.setOutputFormat([formatstring])
self.setLevel(3)
self.incli=CAClient(pvinstring)
self.outcli=CAClient(pvoutstring)
self.movecli=CAClient(pvctrlstring)
self.lastpos=0.0
self.currentpos=0.0
self.targetpos=0.0
self._tolerance=tolerance
self.controller=controller
def atScanStart(self):
if not self.incli.isConfigured():
self.incli.configured()
if not self.outcli.isConfigured():
self.outcli.configured()
if not self.movecli.isConfigured():
self.movecli.configured()
def atScanEnd(self):
if self.incli.isConfigured():
self.incli.clearup()
if self.outcli.isConfigured():
self.outcli.clearup()
if self.movecli.isConfigured():
self.movecli.clearup()
def rawGetPosition(self):
try:
if self.outcli.isConfigured():
self.currentpos=float(self.outcli.caget())
else:
self.outcli.configure()
self.currentpos=float(self.outcli.caget())
self.outcli.clearup()
return self.currentpos
except Exception, err:
print "Error returning current position" + err
return 0
class DelayLineClass(ScannableMotionBase):
'''Create PD for single EPICS positioner which respond only to set and get'''
def __init__(self,
name,
pvinstring,
pvoutstring,
pvieos,
unitstring,
formatstring,
hlp=None):
self.setName(name)
if hlp is not None:
self.__doc__ += '\nHelp specific to ' + self.name + ':\n' + hlp
self.setInputNames([name])
self.Units = [unitstring]
self.setOutputFormat([formatstring])
self.setLevel(5)
self.incli = CAClient(pvinstring)
self.incli.configure()
self.outcli = CAClient(pvoutstring)
self.outcli.configure()
self.pvieos = pvieos
self.verbose = False
def getPosition(self):
t = CAClient()
t.caput(self.pvieos, "\r\n")
sleep(1)
self.incli.caput('DEL?')
sleep(1)
s = self.outcli.caget()
if self.verbose:
print "Return: " + s
print
counts = float(s.lstrip("?DEL\\n\\r"))
return counts
def asynchronousMoveTo(self, time):
t3 = CAClient()
t3.caput(self.pvieos, "\n")
sleep(1)
temp2 = "DEL " + str(time)
if self.verbose:
print temp2
self.incli.caput(temp2)
sleep(1)
def isBusy(self):
sleep(1)
return False
#print "Colby delay line Stage delay created"
#exec("delay=None")
#delay=DelayLineClass('delay', 'BL06J-EA-USER-01:ASYN3.AOUT',
# 'BL06J-EA-USER-01:ASYN3.TINP', "BL06J-EA-USER-01:ASYN3.IEOS",
# '%', '%.15f', 'GDA read of ITC T2')
class FunctionGenerator(ScannableMotionBase):
def __init__(self, name):
self.setName(name)
num = int(name[-1])
#EPICS PVs
func="BL11I-EA-FGEN-0%d:FUNC" % num
output="BL11I-EA-FGEN-0%d:OUT" % num
freq="BL11I-EA-FGEN-0%d:FREQ" % num
freqrbv="BL11I-EA-FGEN-0%d:FREQ:RBV" % num
amp="BL11I-EA-FGEN-0%d:AMP" % num
amprbv="BL11I-EA-FGEN-0%d:AMP:RBV" % num
offset="BL11I-EA-FGEN-0%d:OFF" % num
offsetrbv="BL11I-EA-FGEN-0%d:OFF:RBV" % num
sym="BL11I-EA-FGEN-0%d:SYMM" % num
symrbv="BL11I-EA-FGEN-0%d:SYMM:RBV" % num
dutycyc="BL11I-EA-FGEN-0%d:DCYC" % num
dutycycrbv="BL11I-EA-FGEN-0%d:DCYC:RBV" % num
trigger="BL11I-EA-FGEN-0%d:TRIGSRC" % num
burstmode="BL11I-EA-FGEN-0%d:BURSTMODE" % num
burstncyc="BL11I-EA-FGEN-0%d:BURSTNCYC" % num
burstncycrbv="BL11I-EA-FGEN-0%d:BURSTNCYC:RBV" % num
burststate="BL11I-EA-FGEN-0%d:BURST" % num
disable="BL11I-EA-FGEN-0%d:DISABLE" % num
self.setInputNames(["frequency","amplitude","shift","symmetry"])
self.setExtraNames([])
self.function=CAClient(func)
self.output=CAClient(output)
self.frequency=CAClient(freq)
self.frequencyrbv=CAClient(freqrbv)
self.amplitude=CAClient(amp)
self.amplituderbv=CAClient(amprbv)
self.shiftcli=CAClient(offset)
self.shiftrbv=CAClient(offsetrbv)
self.symmetry=CAClient(sym)
self.symmetryrbv=CAClient(symrbv)
self.dutycycle=CAClient(dutycyc)
self.dutycyclerbv=CAClient(dutycycrbv)
self.triggersrc=CAClient(trigger)
self.burstmode=CAClient(burstmode)
self.burstncyc=CAClient(burstncyc)
self.burstncycrbv=CAClient(burstncycrbv)
self.burststate=CAClient(burststate)
self.disable=CAClient(disable)
# function generator controls
def setFunction(self, function):
try:
if not self.function.isConfigured():
self.function.configure()
self.function.caputWait(function)
except FactoryException, e:
print "create channel error (%s): %s" % (self.function.getChannel().getName(),e)
except CAException, e:
print "caput Error (%s): %s" % (self.function.getChannel().getName(),e)
class ADCChannel(ScannableMotionBase, MonitorListener):
def __init__(self, name, pv):
self.setName(name)
self.setInputNames([])
self.pvcli=CAClient(pv)
self.nordcli=CAClient(pv+".NORD")
self.monitoradded=False
self.counter=0
self.numberofgates=0
self.numberofframes=0
self.filename=None
self.filenames=[]
self.collectionNumber=0 #0 means no collectionNumber
self.voltagesmonitor=None
self.firstMonitor = True
self.voltages = {}
def resetCounter(self):
self.counter=0
def resetRepetition(self):
self.collectionNumber=0
def setCollectionNumber(self, num):
self.collectionNumber=num
def setNumberOfGates(self, num):
self.numberofgates=num
def setNumberOfFrames(self, num):
self.numberofframes=num
def getNumberOfGates(self):
return self.numberofgates
def getNumberOfFrames(self):
return self.numberofframes
def setFilename(self, filename):
self.filename=filename
def getFilename(self):
return self.filename
def getFilenames(self):
return self.filenames
def getValues(self):
try:
if not self.pvcli.isConfigured():
self.pvcli.configure()
return self.pvcli.cagetArrayDouble()
except FactoryException, e:
print "create channel error (%s): %s" % (self.pvcli.getChannel().getName(),e)
except CAException, e:
print "caput Error (%s): %s" % (self.pvcli.getChannel().getName(),e)
def assignStruckChannel(channelNo, nameList, namespace): allNames = '' for name in nameList: namespace[name] = ScalerSubsetScannable(name,globals()['struck1'],[channelNo]) allNames += name + '/' allNames = allNames[:-1] print "ch%i: %s" % (channelNo, allNames) cac = CAClient(ScalerSubsetScannable.struckRootPv+'SCALER.NM%i' % channelNo) cac.configure() cac.caput(allNames) cac.clearup()
class DataCapturer(ScannableMotionBase, MonitorListener):
def __init__(self, name, adc, hv=adcppv, el=adcepv, gate=adcgatepv):
self.setName(name)
self.setInputNames(["HV","Electrometer","gate"])
self.hv=hv
self.el=el
self.gate=gate
self.voltagecli=CAClient(hv)
self.electrometercli=CAClient(el)
self.gatecli=CAClient(gate)
self.monitoradded=False
self.filename=None
self.voltagemonitor=None
self.electrometermonitor=None
self.gatemonitor=None
self.firstMonitor = True
self.data={hv:[],el:[],gate:[]}
self.voltages = [] # for holding voltage data array
self.electrometers=[] # for holding electrometer data array
self.gates=[]
self.firstData = True
self.updatecounter=0
self.capturecounter=0
self.adc=adc
def reset(self):
self.electrometers = []
self.voltages = []
self.gates=[]
self.updatecounter=0
self.capturecounter=0
self.firstData = True
self.adc.disable()
self.data={self.hv:[],self.el:[],self.gate:[]}
def setFilename(self, filename):
self.filename=filename
def getFilename(self):
return self.filename
def getElectrometer(self, num):
''' retrieve electrometer data from Keithley amplifier.
'''
try:
if not self.electrometercli.isConfigured():
self.electrometercli.configure()
return self.electrometercli.cagetArrayDouble(num)
except FactoryException, e:
print "create channel error (%s): %s" % (self.electrometercli.getChannel().getName(),e)
except CAException, e:
print "caget Error (%s): %s" % (self.electrometercli.getChannel().getName(),e)
def initPVs(self):
# make a hashtable of key:CAClient pairs for setting directional field strengths
i06MagnetPvRoot = "BL06J-EA-MAG-01:"
i06MagnetPvNames = ["X:DMD", "X:RBV", "Y:DMD", "Y:RBV", "Z:DMD", "Z:RBV", "RAMPSTATUS", "LIMITSTATUS", "MODE", "STARTRAMP.PROC"]
self.pvs = {}
for pvKey in i06MagnetPvNames:
pvName = i06MagnetPvRoot + pvKey
#print "pvName: " + pvName
pv = CAClient(pvName)
pv.configure()
self.pvs[pvKey] = pv
print "pvs: " + str(self.pvs)
def restart_ioc():
if is_live():
print('Restarting the IOC')
caClient = CAClient()
try:
caClient.configure()
caClient.caput('BL08I-CS-RSTRT-01:PSC:RESTART', 1, 0)
finally:
caClient.clearup()
else:
print('Restarting the IOC (dummy mode)')
time.sleep(2)
print('IOC restarted')
class PilatusThreshold(ScannableMotionBase):
def __init__(self, name, pvbase):
self.setName(name)
self.waitstep = waitstep
self.setInputNames([name])
self.setExtraNames([])
self.Units = ['keV']
self.setOutputFormat(['%4.2f'])
self.setLevel(7)
self.timer = tictoc()
self.waitUntilTime = 0
self.demand = 0.0
self.gain = CAClient(pvbase + ":GainMenu")
self.thres = CAClient(pvbase + ":ThresholdEnergy")
self.gain.configure()
self.thres.configure()
self.gainranges = {0: [6.5, 19.7], 1: [4.4, 14.0], 2: [3.8, 11.4]}
self.thresholdtolerance = 0.1
self.waittime = 30
def rawGetPosition(self):
return [self.thres.caget() * 2.0]
def rawAsynchronousMoveTo(self, newpos):
gain = int(self.gain.caget())
if newpos >= self.gainranges[gain][0] and newpos <= self.gainranges[
gain][1]:
# gain ok
pass
else:
for i in self.gainranges.keys():
if newpos >= self.gainranges[i][
0] and newpos <= self.gainranges[i][1]:
self.gain.caput(i)
self.timer.reset()
break
# raise exception, value out of range
thres = self.thres.caget()
if abs((thres * 2.0) - newpos) < newpos * self.thresholdtolerance:
# threshold ok
pass
else:
self.thres.caput(newpos / 2.0)
self.timer.reset()
def isBusy(self):
return (self.timer() < self.waittime)
class SingleEpicsPositionerClass(ScannableMotionBase): '''Create PD for single EPICS positioner''' def __init__(self, name, pvinstring, pvoutstring, pvstatestring, pvstopstring, unitstring, formatstring): self.setName(name); self.setInputNames([name]) self.Units=[unitstring] self.setOutputFormat([formatstring]) self.setLevel(3) self.incli=CAClient(pvinstring) self.outcli=CAClient(pvoutstring) self.statecli=CAClient(pvstatestring) self.stopcli=CAClient(pvstopstring) def rawGetPosition(self): output=0.0 try: if not self.outcli.isConfigured(): self.outcli.configure() output=float(self.outcli.caget()) #self.outcli.clearup() return float(output) except: print "Error returning position" return 0 def rawAsynchronousMoveTo(self,new_position): try: if self.incli.isConfigured(): self.incli.caput(new_position) else: self.incli.configure() self.incli.caput(new_position) #self.incli.clearup() except: print "error moving to position" def rawIsBusy(self): try: if self.statecli.isConfigured(): self.status = self.statecli.caget() else: self.statecli.configure() self.status=self.statecli.caget() #self.statecli.clearup() return not int(self.status) except: print "problem with isMoving string: "+self.status+": Returning busy status" return 1 def stop(self): print "calling stop" if self.stopcli.isConfigured(): self.stopcli.caput(1) else: self.stopcli.configure() self.stopcli.caput(1)
class LaserMotorClass(ScannableMotionBase):
'''Create PD for single EPICS positioner which respond only to set and get'''
def __init__(self, name, pvinstring, pvoutstring, unitstring, formatstring,help=None):
self.setName(name);
if help is not None: self.__doc__+='\nHelp specific to '+self.name+':\n'+help
self.setInputNames([name])
self.Units=[unitstring]
self.setOutputFormat([formatstring])
self.setLevel(5)
self.incli=CAClient(pvinstring)
self.incli.configure()
self.outcli=CAClient(pvoutstring)
self.outcli.configure()
def getPosition(self):
self.incli.caput('TP')
sleep(0.5)
s=self.outcli.caget()
#print "getPos: " + s
c=299792548;
a=250*pow(12.0/28.0,4);
counts = float(s[s.find(':')+1:len(s)])
time = -1000*counts*2*a/c
return time
def asynchronousMoveTo(self,time):
c=299792548;
a=250*pow(12.0/28.0,4);
counts= -round(c*time/(2*a)*0.001);
temp=str(int(counts));
temp2="MA" + temp;
#print temp2
self.incli.caput(temp2)
sleep(0.5)
def isBusy(self):
self.incli.caput('TE')
sleep(0.5)
s=self.outcli.caget()
#print "isBusy: " + s
sleep(0.5)
return abs(float(s[s.find(':')+1:len(s)])) > 150
def zero(self):
self.incli.caput('DH')
class PositionerPVClass(ScannableMotionBase):
def __init__(self, name, strPV):
self.setName(name)
self.setInputNames([])
self.setExtraNames([name])
# self.Units=[strUnit];
self.setLevel(7)
self.setOutputFormat(["%20.12f"])
self.ch = CAClient(strPV)
# self.setTimePreset(time)
def atScanStart(self):
if not self.ch.isConfigured():
self.ch.configure()
#Scannable Implementations
def getPosition(self):
return self.getCount()
def asynchronousMoveTo(self, newPos):
self.setCollectionTime(newPos)
self.collectData()
def isBusy(self):
return False
def atScanEnd(self):
if self.ch.isConfigured():
self.chTP.clearup()
def getCount(self):
if self.chSn.isConfigured():
output = self.chSn.caget()
else:
self.chSn.configure()
output = self.chSn.caget()
self.chSn.clearup()
return float(output)
def toString(self):
ss = self.getName() + " : " + str(self.getPosition())
return ss
class SingleEpicsPositionerClass(ScannableBase):
'''Create PD for single EPICS positioner'''
def __init__(self, name, pvinstring, pvoutstring, pvstatestring,
pvstopstring, unitstring, formatstring):
self.setName(name)
self.setInputNames([name])
self.setExtraNames([name])
self.Units = [unitstring]
self.setOutputFormat([formatstring])
self.setLevel(3)
self.incli = CAClient(pvinstring)
self.outcli = CAClient(pvoutstring)
self.statecli = CAClient(pvstatestring)
self.stopcli = CAClient(pvstopstring)
def atStart(self):
if not self.incli.isConfigured():
self.incli.configure()
if not self.outcli.isConfigured():
self.outcli.configure()
if not self.statecli.isConfigured():
self.statecli.configure()
if not self.stopcli.isConfigured():
self.stopcli.configure()
def getPosition(self):
output = 99
try:
if self.outcli.isConfigured():
# if not isinstance(self.outcli.caget(),type(None)):
# print self.outcli.caget()
return float(self.outcli.caget())
else:
self.outcli.configure()
output = self.outcli.caget()
if output == None:
raise Exception, "null pointer exception in getPosition"
self.outcli.clearup()
return float(output)
except Exception, e:
print "error in getPosition", e.getMessage(), e, output
raise e
class SingleEpicsPositionerClass(ScannableBase):
"""Create PD for single EPICS positioner"""
def __init__(self, name, pvinstring, pvoutstring, pvstatestring, pvstopstring, unitstring, formatstring):
self.setName(name)
self.setInputNames([name])
self.setExtraNames([name])
self.Units = [unitstring]
self.setOutputFormat([formatstring])
self.setLevel(3)
self.incli = CAClient(pvinstring)
self.outcli = CAClient(pvoutstring)
self.statecli = CAClient(pvstatestring)
self.stopcli = CAClient(pvstopstring)
def atStart(self):
if not self.incli.isConfigured():
self.incli.configure()
if not self.outcli.isConfigured():
self.outcli.configure()
if not self.statecli.isConfigured():
self.statecli.configure()
if not self.stopcli.isConfigured():
self.stopcli.configure()
def getPosition(self):
output = 99
try:
if self.outcli.isConfigured():
# if not isinstance(self.outcli.caget(),type(None)):
# print self.outcli.caget()
return float(self.outcli.caget())
else:
self.outcli.configure()
output = self.outcli.caget()
if output == None:
raise Exception, "null pointer exception in getPosition"
self.outcli.clearup()
return float(output)
except Exception, e:
print "error in getPosition", e.getMessage(), e, output
raise e
class ScannableMotorEpicsPVClass(ScannableMotionBase): def __init__(self, name, strPV, strUnit, strFormat): self.setName(name); self.setInputNames([name]) self.setExtraNames([name]); self.Units=[strUnit] self.setOutputFormat([strFormat]) self.setLevel(3) self.incli=CAClient(strPV+'.VAL') self.outcli=CAClient(strPV+'.RBV') self.statecli=CAClient(strPV+'.DMOV') self.stopcli=CAClient(strPV+'.STOP') self.delayTime = 0; def setDelay(self, newDelay): self.delayTime = newDelay; def atScanStart(self): if not self.incli.isConfigured(): self.incli.configure() if not self.outcli.isConfigured(): self.outcli.configure() if not self.statecli.isConfigured(): self.statecli.configure() if not self.stopcli.isConfigured(): self.stopcli.configure() def getPosition(self): output = 99 try: if self.outcli.isConfigured(): return float(self.outcli.caget()) else: self.outcli.configure() output = self.outcli.caget() if output == None: raise Exception, "null pointer exception in getPosition" self.outcli.clearup() return float(output) except Exception,e : print "error in getPosition", e.getMessage(), e, e.class, output
class EpicsMonitorClass(ScannableMotionBase):
def __init__(self, name, strPV, strUnit, strFormat):
self.setName(name)
self.setInputNames([])
self.setExtraNames([name])
self.Units = [strUnit]
self.setOutputFormat([strFormat])
self.setLevel(7)
self.cli = CAClient(strPV)
self.cli.configure()
def atScanStart(self):
if not self.cli.isConfigured():
self.cli.configure()
def getPosition(self):
try:
if self.cli.isConfigured():
return float(self.cli.caget())
else:
self.cli.configure()
return float(self.cli.caget())
except:
print "Error getting position"
def asynchronousMoveTo(self, new_position):
pass
def isBusy(self):
return False
class xmapcounter(ScannableMotionBase): def __init__(self, name, pv='ME13C-EA-DET-01:',formatstring='%6f'): self.setLevel(9) self.setOutputFormat([formatstring]*4) self.setName(name) self.setInputNames([name]) self.pvt=CAClient(pv+'EraseStart') self.rt=CAClient(pv+'PresetReal') self.rt.configure() self.pvt.configure() self.checkbusy=CAClient(pv+'ElapsedReal') self.checkbusy.configure() self.setExtraNames(['xmroi1','xmroi2','xmroi3']) self.new_position=1 def getPosition(self): w(.2) return [float(self.checkbusy.caget()),float(xmroi1.getPosition()),float(xmroi2.getPosition()),float(xmroi3.getPosition())] def asynchronousMoveTo(self,new_position): self.new_position=new_position self.rt.caput(self.new_position) self.pvt.caput(1) w(new_position+.5) # def isBusy(self): while self.checkbusy.caget()<self.new_position: w(0.1) return 1 else: return 0
class HexapodAxisStatus(object):
'''Hexapod axis status class implementing position-compare algorithm with tolerance input. isBusy() method should be used to query the motion status of this axis.'''
def __init__(self, name, pvinstring, pvoutstring, tolerance=0.01):
self.name = name
self.incli = CAClient(pvinstring)
self.outcli = CAClient(pvoutstring)
self.currentpos = 0.0
self.targetpos = 0.0
self._tolerance = tolerance
def getCurrentPosition(self):
try:
if self.outcli.isConfigured():
self.currentpos = float(self.outcli.caget())
else:
self.outcli.configure()
self.currentpos = float(self.outcli.caget())
self.outcli.clearup()
return self.currentpos
except Exception, err:
print "Error returning current position of " + self.name + err
return 0
class DisplayEpicsPVClass(ScannableMotionBase):
'''Create PD to display single EPICS PV'''
def __init__(self, name, pvstring, unitstring, formatstring):
self.setName(name)
self.setInputNames([name])
self.Units = [unitstring]
self.setOutputFormat([formatstring])
self.setLevel(8)
self.outcli = CAClient(pvstring)
def getPosition(self):
self.outcli.configure()
output = float(self.outcli.caget())
output = self.getOutputFormat()[0] % output
self.outcli.clearup()
return float(output)
def asynchronousMoveTo(self, position):
return
def isBusy(self):
return 0
class DoseControl(MonitorListener):
def __init__(self, name,pv):
self.name=name
self.currentpressure=0.0
self.outcli=CAClient(pv)
self.outcli.configure()
sleep(1)
self.monitor=self.outcli.camonitor(self)
def waitForGreaterThan(self, target):
while (self.getCurrentPressure() <= target):
sleep(0.1)
def getCurrentPressure(self):
return self.currentpressure
def setSystemPressure(self, sysP,target,flow):
#SET STARTING SAMPLE PRESSURE
caput("BL11I-EA-GIR-01:DVPC:SETPOINT:WR", sysP)
caput("BL11I-EA-GIR-01:MFC1:SETPOINT:WR", flow)
caput("BL11I-EA-GIR-01:BPR:SETPOINT:WR", target)
self.waitForGreaterThan(target)
caput("BL11I-EA-GIR-01:MFC1:SETPOINT:WR", 0)
def setSamplePressure(self,SampleP, target, increment):
# SET FINAL SAMPLE PRESSURE AND INCREMENTS
while SampleP <= target: #final sample pressure in bar
SampleP += increment #increments in bar
caput("BL11I-EA-GIR-01:DVPC:SETPOINT:WR", SampleP)
sleep(5) #wait time in seconds
def monitorChanged(self, mevent):
try:
self.currentpressure = float(mevent.getDBR().getDoubleValue()[0])
except:
#do nothing
print
def initOtherMagnetPVs(self):
# make a hashtable of key:CAClient pairs for other magnet-related detectors
otherMagnetPvsData = [["Magnet temperature 1", "TMON.T1", "BL06J-EA-TMON-01:T1", "true"],
["Magnet temperature 2", "TMON.T2", "BL06J-EA-TMON-01:T2", "true"],
["Magnet temperature 3", "TMON.T3", "BL06J-EA-TMON-01:T3", "true"],
["Nitrogen Level", "TMON.NL", "BL06J-EA-TMON-01:NL", "true"],
["Cryostat temp", "TCTRL.T1", "BL06J-EA-TCTRL-01:STS:T1", "true"],
["VTI setpoint demand", "VTI.SETPOINT-DMD", "BL06J-EA-TCTRL-01:DMD:LOOP1:SETPOINT", "false"],
["VTI setpoint readback", "VTI.SETPOINT-RBV", "BL06J-EA-TCTRL-01:STS:LOOP1:SETPOINT", "true"],
["Needle valve manual control demand", "NVALV.MANUAL-DMD", "BL06J-EA-TCTRL-01:DMD:LOOP2:MANUAL", "false"],
["Needle valve manual control readback", "NVALV.MANUAL-RBV", "BL06J-EA-TCTRL-01:STS:LOOP2:MANUAL", "true"],
["Helium Depth Indicator current level (mm)", "HDI.LEVEL", "BL06J-EA-HDI-01:LEVEL", "true"],
["Helium Depth Indicator pump control", "HDI.PUMP", "BL06J-EA-HDI-01:PUMP", "false"],
]
self.otherPvs = {}
for otherMagnetPv in otherMagnetPvsData:
pvKey = otherMagnetPv[1]
pvValue = otherMagnetPv[2];
pv = CAClient(pvValue)
pv.configure()
self.otherPvs[pvKey] = pv
print "otherPvs: " + str(self.otherPvs)
class HexapodAxisStatus(object): '''Hexapod axis status class implementing position-compare algorithm with tolerance input. isBusy() method should be used to query the motion status of this axis.''' def __init__(self, name, pvinstring, pvoutstring, tolerance=0.01): self.name=name self.incli=CAClient(pvinstring) self.outcli=CAClient(pvoutstring) self.currentpos=0.0 self.targetpos=0.0 self._tolerance=tolerance def getCurrentPosition(self): try: if self.outcli.isConfigured(): self.currentpos=float(self.outcli.caget()) else: self.outcli.configure() self.currentpos=float(self.outcli.caget()) self.outcli.clearup() return self.currentpos except Exception, err: print "Error returning current position of " + self.name + err return 0
class PVWithSeparateReadbackAndToleranceScannable(ScannableBase):
def __init__(self, name, pv_set, pv_read, timeout, tolerance = 0.0005): #BL16B-EA-PSU-01
self.name = name
self.inputNames = [name]
self.outputFormat = ['%6.4f']
self.timeout = timeout
self.tol = tolerance
self._time_triggered = None
self._last_target = None
self._pv_set = CAClient(pv_set)
self._pv_read = CAClient(pv_read)
self._pv_set.configure()
self._pv_read.configure()
def asynchronousMoveTo(self, value):
self._pv_set.caput(value)
self._time_triggered = time.time()
self._last_target = value
def isBusy(self):
if self._last_target == None:
return False
i = (float(self._pv_read.caget()))
if abs(i - self._last_target) <= self.tol:
return False
if (time.time() - self._time_triggered) > self.timeout:
raise Exception('Timed out after %fs setting current to %f. The current has hung at %f, and the voltage is %f\n*Is the voltage set too low?*' % ((self.timeout, self.last_target) + self.getPosition()))
return True
def getPosition(self):
return float(self._pv_read.caget())
class AdcControl(ScannableMotionBase):
def __init__(self, name):
self.setName(name)
num = int(name[-1])
#EPICS PVs
mode="BL11I-EA-ADC-0%d:MODE" % num
rate="BL11I-EA-ADC-0%d:CLOCKRATE" % num
enable="BL11I-EA-ADC-0%d:ENABLE" % num
samples="BL11I-EA-ADC-0%d:SAMPLES:OUT" % num
clock="BL11I-EA-ADC-0%d:EXTCLOCK" % num
reenable="BL11I-EA-ADC-0%d:REENABLE" % num
offset="BL11I-EA-ADC-0%d:OFFSET:OUT" % num
average="BL11I-EA-ADC-0%d:AVERAGE:OUT" % num
softtrig="BL11I-EA-ADC-0%d:SOFTTRIGGER.VAL" % num
self.setInputNames(["ADC Mode","Clock Rate","Enable","Samples"])
self.setExtraNames([])
self.setOutputFormat(["%s","%s","%s","%d"])
self.mode=CAClient(mode)
self.rate=CAClient(rate)
self.enableField=CAClient(enable)
self.samples=CAClient(samples)
self.clock=CAClient(clock)
self.reenable=CAClient(reenable)
self.adcoffset=CAClient(offset)
self.average=CAClient(average)
self.softtrig=CAClient(softtrig)
def continuousMode(self):
try:
if not self.mode.isConfigured():
self.mode.configure()
self.mode.caput(0)
except FactoryException, e:
print "create channel error (%s): %s" % (self.mode.getChannel().getName(),e)
except CAException, e:
print "caput Error (%s): %s" % (self.mode.getChannel().getName(),e)
class SingleChannelBimorphClass(ScannableMotionBase):
'''Create PD for single EPICS Bimorph channel'''
def __init__(self, name, pvinstring, pvoutstring, pvstatestring,
unitstring, formatstring):
self.setName(name)
self.setInputNames([name])
# self.setExtraNames([name]);
self.Units = [unitstring]
self.setOutputFormat([formatstring])
self.setLevel(3)
self.incli = CAClient(pvinstring)
self.outcli = CAClient(pvoutstring)
self.statecli = CAClient(pvstatestring)
def atStart(self):
if not self.incli.isConfigured():
self.incli.configured()
if not self.outcli.isConfigured():
self.outcli.configured()
if not self.statecli.isConfigured():
self.statecli.configured()
def getPosition(self):
try:
if self.outcli.isConfigured():
output = float(self.outcli.caget())
else:
self.outcli.configure()
output = float(self.outcli.caget())
self.outcli.clearup()
return output
except:
print "Error returning position"
return 0
def asynchronousMoveTo(self, new_position):
try:
if self.incli.isConfigured():
self.incli.caput(new_position)
else:
self.incli.configure()
self.incli.caput(new_position)
self.incli.clearup()
except:
print "error moving to position"
def isBusy(self):
try:
if self.statecli.isConfigured():
self.status = self.statecli.caget()
else:
self.statecli.configure()
self.status = self.statecli.caget()
self.statecli.clearup()
return int(self.status)
except:
print "problem with isMoving string: " + self.status + ": Returning busy status"
return 1
class EventReceiver(ScannableMotionBase):
def __init__(self, name, delay=evrdelaypv, delayrbv=evrdelayrbv, width=evrwidthpv, widthrbv=evrwidthrbv, enable=evrenablepv, polarity=evrpolaritypv):
self.setName(name)
self.setInputNames(["delay", "width"])
self.setExtraNames([])
self.delay=CAClient(delay)
self.delayrbv=CAClient(delayrbv)
self.width=CAClient(width)
self.widthrbv=CAClient(widthrbv)
self._enable=CAClient(enable)
self.polarity=CAClient(polarity)
# function generator controls
def enableField(self):
try:
if not self._enable.isConfigured():
self._enable.configure()
self._enable.caput(1)
except FactoryException, e:
print "create channel error (%s): %s" % (self._enable.getChannel().getName(),e)
except CAException, e:
print "caput Error (%s): %s" % (self._enable.getChannel().getName(),e)
class GasRigClass(ScannableMotionBase):
'''Create a scannable for a gas injection rig'''
def __init__(self, name, rootPV):
self.setName(name);
self.setInputNames([name])
self.setLevel(3)
self.setsequencecli=CAClient(rootPV+SEQUENCE_CONTROL)
self.statecli=CAClient(rootPV+SEQUENCE_STATUS)
self.atpressurecli=CAClient(rootPV+AT_PRESSURE_PROC)
def getState(self):
try:
if not self.statecli.isConfigured():
self.statecli.configure()
output=int(self.statecli.caget())
self.statecli.clearup()
else:
output=int(self.statecli.caget())
return sequence[output]
except:
print "Error returning current state"
return 0
def setSequence(self,new_position):
try:
if not self.setsequencecli.isConfigured():
self.setsequencecli.configure()
self.setsequencecli.caput(new_position)
self.setsequencecli.clearup()
else:
self.setsequencecli.caput(new_position)
except:
print "error setting sequence"
def atPressure(self):
try:
if not self.atpressurecli.isConfigured():
self.atpressurecli.configure()
self.atpressurecli.caput(1)
self.atpressurecli.clearup()
else:
self.atpressurecli.caput(1)
except:
print "error setting at_pressure"
class GasRigClass(ScannableMotionBase):
'''Create a scannable for a gas injection rig'''
def __init__(self, name, rootPV):
self.setName(name);
self.setInputNames([name])
self.setLevel(5)
self.setsequencecli=CAClient(rootPV+SEQUENCE_CONTROL)
self.statecli=CAClient(rootPV+SEQUENCE_STATUS)
self.systemincli=CAClient(SystemTargetPressure)
self.sampleincli=CAClient(SampleTargetPressure)
def vacSample(self, samplePressure=dvpc):
print "Vacuum the sample ..."
samplePressure.setMode(0)
self.on()
increment=0.005
target=float(samplePressure.getPosition())-increment
try:
if not self.sampleincli.isConfigured():
self.sampleincli.configure()
while float(samplePressure.getPosition()) > target: # final sample pressure in bar
# interruptable()
self.sampleincli.caput(target)
target = target-increment # increments in bar
sleep(5.0) # wait time in seconds
if target<=0.0:
break
if self.sampleincli.isConfigured():
self.sampleincli.clearup()
except:
print "error moving to position"
samplePressure.moveTo(0.0)
print "sample is under vacuum now."
def vacSystem(self, systemPressure=bpr):
print "Vacuum the system ..."
systemPressure.setMode(0)
self.on()
increment=0.005
target=float(systemPressure.getPosition())-increment
try:
if not self.systemincli.isConfigured():
self.systemincli.configure()
while target > 0:
# interruptable()
self.systemincli.caput(target)
target = target-increment # increments in bar
sleep(5.0) # wait time in seconds
if self.systemincli.isConfigured():
self.systemincli.clearup()
except:
print "error moving to position"
systemPressure.moveTo(0.0)
print "system is under vacuum now."
def gasin(self, mfc=mfc1, flow=0.1, pressuretarget=1.0, systemPressure=bpr):
'''select gas flow control and set system pressure'''
print "inject gas %s into the system." % (mfc.getGasType())
mfc.asynchronousMoveTo(flow)
sleep(1)
systemPressure.moveTo(pressuretarget)
sleep(1)
mfc.asynchronousMoveTo(0)
print "The system reaches at target pressure %f" % (pressuretarget)
def complete(self,valve=ventvalve,systemPressure=bpr, samplePressure=sampleP):
print "complete this sample, vent the system"
self.off()
valve.on()
systemPressure.asynchronousMoveTo(0)
samplePressure.asynchronousMoveTo(0)
mfc1.asynchronousMoveTo(0)
mfc2.asynchronousMoveTo(0)
mfc3.asynchronousMoveTo(0)
def flushSystem(self,repeat, mfc=mfc1, flow=0.5, duration=60.0, isolation=isolationvalve, vent=ventvalve, systemPressure=bpr):
print "flushing the system for "+str(duration)+" seconds for "+ str(repeat)+ " times ..."
isolation.off()
vent.on()
for i in range(repeat):
mfc.asynchronousMoveTo(flow)
sleep(1)
systemPressure.moveTo(4)
sleep(1)
mfc.asynchronousMoveTo(0)
sleep(duration)
systemPressure.asynchronousMoveTo(0)
sleep(10.0)
print "flush system completed."
def getState(self):
try:
if not self.statecli.isConfigured():
self.statecli.configure()
output=int(self.statecli.caget())
self.statecli.clearup()
else:
output=int(self.statecli.caget())
return sequencestat[output]
except:
print "Error returning current state"
return 0
def setSequence(self,new_position):
try:
if not self.setsequencecli.isConfigured():
self.setsequencecli.configure()
self.setsequencecli.caput(new_position)
self.setsequencecli.clearup()
else:
self.setsequencecli.caput(new_position)
except:
print "error setting sequence"
def on(self):
self.setSequence(0)
def off(self):
self.setSequence(1)
def reset(self):
self.setSequence(2)
#### methods for scannable
def getPosition(self):
return self.getState()
def asynchronousMoveTo(self, new_position):
self.setSequence(float(new_position))
def isBusy(self):
return False
def atScanStart(self):
pass
def atPointStart(self):
pass
def stop(self):
pass
def atPointEnd(self):
pass
def atScanEnd(self):
pass
#gasrig=GasRigClass("gasrig", "BL11I-EA-GIR-01:")
def xgasin(self, mfc=mfc1, flow=0.1, pressuretarget=1.0, systemPressure=bpr, sleepdelta=1, sleepmove=0.5):
'''select gas flow control and set system pressure'''
print "xgasin: inject gas %s into the system." % (mfc.getGasType())
mfc.asynchronousMoveTo(flow)
#systemPressure.moveTo(pressuretarget)
sleep(sleepdelta)
systemPressure.moveTo(pressuretarget, sleepmove)
#mfc.asynchronousMoveTo(flow)
sleep(sleepdelta)
mfc.asynchronousMoveTo(0)
print "The system reaches at target pressure %f" % (pressuretarget)
class AlicatPressureController(ScannableMotionBase):
'''
construct a scannable for pressure control. It also provides access to other properties.
'''
def __init__(self,name, rootPV, tolerance=0.01, formatstring="%.3f"):
'''
Constructor
'''
self.setName(name)
self.setInputNames([name])
self.setOutputFormat([formatstring])
self.setLevel(3)
self.readmodecli=CAClient(rootPV+READ_MODE)
self.setmodecli=CAClient(rootPV+SET_MODE)
self.readpressurecli=CAClient(rootPV+READ_PRESSURE)
self.settargetcli=CAClient(rootPV+SET_TARGET)
self.readtargetcli=CAClient(rootPV+READ_TARGET)
self.setproportionalgaincli=CAClient(rootPV+SET_PROPORTIONAL_GAIN)
self.readproportionalgaincli=CAClient(rootPV+READ_PROPORTIONAL_GAIN)
self.setderivativegaincli=CAClient(rootPV+SET_DERIVATIVE_GAIN)
self.readderivativegaincli=CAClient(rootPV+READ_DERIVATIVE_GAIN)
self.mytolerance=tolerance
self.isConfigured=False
def configure(self):
if not self.isConfigured:
if not self.readmodecli.isConfigured():
self.readmodecli.configure()
if not self.setmodecli.isConfigured():
self.setmodecli.configure()
if not self.settargetcli.isConfigured():
self.settargetcli.configure()
if not self.readtargetcli.isConfigured():
self.readtargetcli.configure()
if not self.readpressurecli.isConfigured():
self.readpressurecli.configure()
self.isConfigured=True
def deconfigure(self):
if self.isConfigured:
if self.readmodecli.isConfigured():
self.readmodecli.clearup()
if self.setmodecli.isConfigured():
self.setmodecli.clearup()
if self.settargetcli.isConfigured():
self.settargetcli.clearup()
if self.readtargetcli.isConfigured():
self.readtargetcli.clearup()
if self.readpressurecli.isConfigured():
self.readpressurecli.clearup()
self.isConfigured=False
def getMode(self):
try:
if not self.readmodecli.isConfigured():
self.readmodecli.configure()
output=int(self.readmodecli.caget())
self.readmodecli.clearup()
else:
output=int(self.readmodecli.caget())
return modes[output]
except:
print "Error returning current mode"
return 0
def setMode(self, mode):
try:
if not self.setmodecli.isConfigured():
self.setmodecli.configure()
self.setmodecli.caput(mode)
self.setmodecli.clearup()
else:
self.setmodecli.caput(mode)
except:
print "error set to mode"
def setTarget(self, target):
try:
if not self.settargetcli.isConfigured():
self.settargetcli.configure()
self.settargetcli.caput(target)
self.settargetcli.clearup()
else:
self.settargetcli.caput(target)
except:
print "error set to target flow value"
def getTarget(self):
try:
if not self.settargetcli.isConfigured():
self.settargetcli.configure()
output=float(self.settargetcli.caget())
self.settargetcli.clearup()
else:
output=float(self.settargetcli.caget())
return output
except:
print "Error returning target value"
return 0
def getPressure(self):
try:
if not self.readpressurecli.isConfigured():
self.readpressurecli.configure()
output=float(self.readpressurecli.caget())
self.readpressurecli.clearup()
else:
output=float(self.readpressurecli.caget())
return output
except:
print "Error returning pressure"
return 0
def getProportionalGain(self):
try:
if not self.readproportionalgaincli.isConfigured():
self.readproportionalgaincli.configure()
output=float(self.readproportionalgaincli.caget())
self.readproportionalgaincli.clearup()
else:
output=float(self.readproportionalgaincli.caget())
return output
except:
print "Error returning Proportional Gain"
return 0
def setProportionalGain(self, gain):
try:
if not self.setproportionalgaincli.isConfigured():
self.setproportionalgaincli.configure()
self.setproportionalgaincli.caput(gain)
self.setproportionalgaincli.clearup()
else:
self.setproportionalgaincli.caput(gain)
except:
print "error set to proportional gain"
def getDerivativeGain(self):
try:
if not self.readderivativegaincli.isConfigured():
self.readderivativegaincli.configure()
output=float(self.readderivativegaincli.caget())
self.readderivativegaincli.clearup()
else:
output=float(self.readderivativegaincli.caget())
return output
except:
print "Error returning Derivative Gain"
return 0
def setDerivativeGain(self, gain):
try:
if not self.setderivativegaincli.isConfigured():
self.setderivativegaincli.configure()
self.setderivativegaincli.caput(gain)
self.setderivativegaincli.clearup()
else:
self.setderivativegaincli.caput(gain)
except:
print "error set to derivative gain"
def getTolerance(self):
return self.mytolerance
def setTolerance(self, value):
self.mytolerance=value
#### methods for scannable
def getPosition(self):
return self.getPressure()
def asynchronousMoveTo(self, posi):
self.setTarget(float(posi))
def moveTo(self, posi, sleepdelta=0.5):
self.asynchronousMoveTo(posi)
while self.isBusy():
sleep(sleepdelta)
def isBusy(self):
return (abs(float(self.getPosition())-float(self.getTarget()))>float(self.getTolerance()))
def atScanStart(self):
pass
def atPointStart(self):
pass
def stop(self):
pass
def atPointEnd(self):
pass
def atScanEnd(self):
pass
class GasRigValveClass(ScannableMotionBase):
'''Create a scannable for a gas injection rig'''
def __init__(self, name, rootPV):
self.setName(name);
self.setInputNames([name])
self.setLevel(5)
self.controlcli=CAClient(rootPV+VALVE_CONTROL)
self.statecli=CAClient(rootPV+VALVE_STATUS)
self.modecli=CAClient(rootPV+VALVE_MODE)
self.interlockscli=CAClient(rootPV+VALVE_INTERLOCKS)
self.operationscli=CAClient(rootPV+VALVE_OPERATIONS)
def getStatus(self):
try:
if not self.statecli.isConfigured():
self.statecli.configure()
output=int(self.statecli.caget())
self.statecli.clearup()
else:
output=int(self.statecli.caget())
return STATUS_SEQUENCE[output]
except:
print "Error returning current state"
return 0
def getMode(self):
try:
if not self.modecli.isConfigured():
self.modecli.configure()
output=int(self.modecli.caget())
self.modecli.clearup()
else:
output=int(self.modecli.caget())
return MODE_SEQUENCE[output]
except:
print "Error returning current state"
return 0
def getInterlocks(self):
try:
if not self.interlockscli.isConfigured():
self.interlockscli.configure()
output=int(self.interlockscli.caget())
self.interlockscli.clearup()
else:
output=int(self.interlockscli.caget())
return INTERLOCKS_SEQUENCE[output]
except:
print "Error returning current state"
return 0
def getOperations(self):
try:
if not self.operationscli.isConfigured():
self.operationscli.configure()
output=int(self.operationscli.caget())
self.operationscli.clearup()
else:
output=int(self.operationscli.caget())
return output
except:
print "Error returning current state"
return 0
def setControl(self,new_position):
try:
if not self.controlcli.isConfigured():
self.controlcli.configure()
self.controlcli.caput(new_position)
self.controlcli.clearup()
else:
self.controlcli.caput(new_position)
except:
print "error setting sequence"
def on(self):
self.setControl(0)
def off(self):
self.setControl(1)
def reset(self):
self.setControl(2)
#### methods for scannable
def getPosition(self):
return self.getStatus()
def asynchronousMoveTo(self, new_position):
self.setControl(float(new_position))
def isBusy(self):
return False
def atScanStart(self):
pass
def atPointStart(self):
pass
def stop(self):
pass
def atPointEnd(self):
pass
def atScanEnd(self):
pass
class AlicatPressureController(ScannableMotionBase):
'''
classdocs
'''
def __init__(self,name, rootPV, formatstring):
'''
Constructor
'''
self.setName(name);
self.setInputNames([name])
self.setOutputFormat([formatstring])
self.setLevel(3)
self.readmodecli=CAClient(rootPV+READ_MODE)
self.setmodecli=CAClient(rootPV+SET_MODE)
self.readpressurecli=CAClient(rootPV+READ_PRESSURE)
self.settargetcli=CAClient(rootPV+SET_TARGET)
self.readtargetcli=CAClient(rootPV+READ_TARGET)
self.setproportionalgaincli=CAClient(rootPV+SET_PROPORTIONAL_GAIN)
self.readproportionalgaincli=CAClient(rootPV+READ_PROPORTIONAL_GAIN)
self.setderivativegaincli=CAClient(rootPV+SET_DERIVATIVE_GAIN)
self.readderivativegaincli=CAClient(rootPV+READ_DERIVATIVE_GAIN)
def getMode(self):
try:
if not self.readmodecli.isConfigured():
self.readmodecli.configure()
output=int(self.readmodecli.caget())
self.readmodecli.clearup()
else:
output=int(self.readmodecli.caget())
return modes[output]
except:
print "Error returning current mode"
return 0
def setMode(self, mode):
try:
if not self.setmodecli.isConfigured():
self.setmodecli.configure()
self.setmodecli.caput(mode)
self.setmodecli.clearup()
else:
self.setmodecli.caput(mode)
except:
print "error set to mode"
def setTarget(self, target):
try:
if not self.settargetcli.isConfigured():
self.settargetcli.configure()
self.settargetcli.caput(target)
self.settargetcli.clearup()
else:
self.settargetcli.caput(target)
except:
print "error set to target flow value"
def getTarget(self):
try:
if not self.readtargetcli.isConfigured():
self.readtargetcli.configure()
output=float(self.readtargetcli.caget())
self.readtargetcli.clearup()
else:
output=float(self.readtargetcli.caget())
return output
except:
print "Error returning flow target value"
return 0
def getPressure(self):
try:
if not self.readpressurecli.isConfigured():
self.readpressurecli.configure()
output=float(self.readpressurecli.caget())
self.readpressurecli.clearup()
else:
output=float(self.readpressurecli.caget())
return output
except:
print "Error returning pressure"
return 0
def getProportionalGain(self):
try:
if not self.readproportionalgaincli.isConfigured():
self.readproportionalgaincli.configure()
output=float(self.readproportionalgaincli.caget())
self.readproportionalgaincli.clearup()
else:
output=float(self.readproportionalgaincli.caget())
return output
except:
print "Error returning Proportional Gain"
return 0
def setProportionalGain(self, gain):
try:
if not self.setproportionalgaincli.isConfigured():
self.setproportionalgaincli.configure()
self.setproportionalgaincli.caput(gain)
self.setproportionalgaincli.clearup()
else:
self.setproportionalgaincli.caput(gain)
except:
print "error set to proportional gain"
def getDerivativeGain(self):
try:
if not self.readderivativegaincli.isConfigured():
self.readderivativegaincli.configure()
output=float(self.readderivativegaincli.caget())
self.readderivativegaincli.clearup()
else:
output=float(self.readderivativegaincli.caget())
return output
except:
print "Error returning Derivative Gain"
return 0
def setDerivativeGain(self, gain):
try:
if not self.setderivativegaincli.isConfigured():
self.setderivativegaincli.configure()
self.setderivativegaincli.caput(gain)
self.setderivativegaincli.clearup()
else:
self.setderivativegaincli.caput(gain)
except:
print "error set to derivative gain"
#### methods for scannable
def atScanStart(self):
pass
def atPointStart(self):
pass
def getPosition(self):
pass
def asynchronousMoveTo(self, posi):
pass
def isBusy(self):
return False
def stop(self):
pass
def atPointEnd(self):
pass
def atScanEnd(self):
pass
class ScalerChannelEpicsPVClass(ScannableBase): def __init__(self, name, strChTP, strChCNT, strChSn): self.setName(name); self.setInputNames([]); self.setExtraNames([name]); # self.Units=[strUnit]; #self.setLevel(5); self.setOutputFormat(["%20.12f"]); self.chTP=CAClient(strChTP); self.chCNT=CAClient(strChCNT); self.chSn=CAClient(strChSn); self.tp = -1; # self.setTimePreset(time) def atStart(self): if not self.chTP.isConfigured(): self.chTP.configure() if not self.chCNT.isConfigured(): self.chCNT.configure() if not self.chSn.isConfigured(): self.chSn.configure() #Scannable Implementations def getPosition(self): return self.getCount(); def asynchronousMoveTo(self,newPos): self.setCollectionTime(newPos); self.collectData(); def isBusy(self): return self.getStatus() def atEnd(self): if self.chTP.isConfigured(): self.chTP.clearup() if self.chCNT.isConfigured(): self.chCNT.clearup() if self.chSn.isConfigured(): self.chSn.clearup() #Scaler 8512 implementations def getTimePreset(self): if self.chTP.isConfigured(): newtp = self.chTP.caget() else: self.chTP.configure() newtp = float(self.chTP.caget()) self.chTP.clearup() self.tp = newtp return self.tp #Set the Time Preset and start counting automatically def setTimePreset(self, newTime): self.tp = newTime newtp = newTime; if self.chTP.isConfigured(): tp = self.chTP.caput(newtp) else: self.chTP.configure() tp = self.chTP.caput(newtp) self.chTP.clearup() # Thread.sleep(1000) def getCount(self): if self.chSn.isConfigured(): output = self.chSn.caget() else: self.chSn.configure() output = self.chSn.caget() self.chSn.clearup() return float(output) #Detector implementations #Tells the detector to begin to collect a set of data, then returns immediately. #public void collectData() throws DeviceException; #Set the Time Preset and start counting automatically def collectData(self): #self.setTimePreset(self.tp) if self.chCNT.isConfigured(): tp = self.chCNT.caput(1) else: self.chCNT.configure() tp = self.chCNT.caput(1) self.chCNT.clearup() # Thread.sleep(1000) #Tells the detector how long to collect for during a call of the collectData() method. #public void setCollectionTime(double time) throws DeviceException; def setCollectionTime(self, newTime): self.setTimePreset(newTime) #Returns the latest data collected. #public Object readout() throws DeviceException; def getCollectionTime(self): nc=self.getTimePreset() return nc #Returns the current collecting state of the device. # return ACTIVE (1) if the detector has not finished the requested operation(s), # IDLE(0) if in an completely idle state and # STANDBY(2) if temporarily suspended. #public int getStatus() throws DeviceException; def getStatus(self): if self.chCNT.isConfigured(): self.stauts = self.chCNT.caget() else: self.chCNT.configure() self.stauts = self.chCNT.caget() self.chCNT.clearup() if self.stauts == '0': #still counting, Busy return 0 else: return 1
class AlicatMassFlowController(ScannableMotionBase):
'''
scannable for set and get mass flow in a scannable way. It also provides method to query other mass flow properties.
'''
def __init__(self,name, rootPV, tolerance=0.01, formatstring="%.3f"):
'''
Constructor
'''
self.setName(name)
self.setInputNames([name])
self.setOutputFormat([formatstring])
self.setLevel(5)
self.currentflowcli=CAClient(rootPV+READ_MASS_FLOW)
self.setflowtargetcli=CAClient(rootPV+SET_MASS_FLOW_TARGET)
self.readflowtargetcli=CAClient(rootPV+READ_MASS_FLOW_TARGET)
self.currentgastypecli=CAClient(rootPV+READ_GAS_TYPE)
self.setfgastype1cli=CAClient(rootPV+SELECT_GAS_TYPE_1)
self.setfgastype2cli=CAClient(rootPV+SELECT_GAS_TYPE_2)
self.setgastypenumbercli=CAClient(rootPV+SET_GAS_TYPE_BY_NUMBER)
self.pressurecli=CAClient(rootPV+READ_PRESSURE_IN_BAR)
self.temperaturecli=CAClient(rootPV+READ_TEMPERATURE)
self.volumetricflowcli=CAClient(rootPV+READ_VOLUMETRIC_FLOW)
self.setproportionalgaincli=CAClient(rootPV+SET_PROPORTIONAL_GAIN)
self.readproportionalgaincli=CAClient(rootPV+READ_PROPORTIONAL_GAIN)
self.setderivativegaincli=CAClient(rootPV+SET_DERIVATIVE_GAIN)
self.readderivativegaincli=CAClient(rootPV+READ_DERIVATIVE_GAIN)
self.mytolerance=tolerance
def getTolerance(self):
return self.mytolerance
def setTolerance(self, value):
self.mytolerance=value
def getCurrentFlow(self):
try:
if not self.currentflowcli.isConfigured():
self.currentflowcli.configure()
output=float(self.currentflowcli.caget())
self.currentflowcli.clearup()
else:
output=float(self.currentflowcli.caget())
return output
except:
print "Error returning current flow value"
return 0
def setTarget(self, target):
try:
if not self.setflowtargetcli.isConfigured():
self.setflowtargetcli.configure()
self.setflowtargetcli.caput(target)
self.setflowtargetcli.clearup()
else:
self.setflowtargetcli.caput(target)
except:
print "error set to target flow value"
def getTarget(self):
try:
if not self.readflowtargetcli.isConfigured():
self.readflowtargetcli.configure()
output=float(self.currentflowcli.caget())
self.readflowtargetcli.clearup()
else:
output=float(self.readflowtargetcli.caget())
return output
except:
print "Error returning flow target value"
return 0
def getGasType(self):
#self.currentgastypecli does not work in EPICS
try:
if not self.setgastypenumbercli.isConfigured():
self.setgastypenumbercli.configure()
output=int(self.setgastypenumbercli.caget())
self.setgastypenumbercli.clearup()
else:
output=int(self.setgastypenumbercli.caget())
return gasTypes[output]
except:
print "Error returning current gas type"
return 0
def setGasType(self,name):
key=gasTypes.keys()[(gasTypes.values()).index(name)]
if int(key)>=0 or int(key) <16:
try:
if not self.setfgastype1cli.isConfigured():
self.setfgastype1cli.configure()
self.setfgastype1cli.caput(name)
self.setfgastype1cli.clearup()
else:
self.setfgastype1cli.caput(name)
except:
print "error set to gas type 1"
else:
try:
if not self.setfgastype2cli.isConfigured():
self.setfgastype2cli.configure()
self.setfgastype2cli.caput(name)
self.setfgastype2cli.clearup()
else:
self.setfgastype2cli.caput(name)
except:
print "error set to gas type 2"
def getPressure(self):
try:
if not self.pressurecli.isConfigured():
self.pressurecli.configure()
output=float(self.pressurecli.caget())
self.pressurecli.clearup()
else:
output=float(self.pressurecli.caget())
return output
except:
print "Error returning pressure"
return 0
def getTemperature(self):
try:
if not self.temperaturecli.isConfigured():
self.temperaturecli.configure()
output=float(self.temperaturecli.caget())
self.temperaturecli.clearup()
else:
output=float(self.temperaturecli.caget())
return output
except:
print "Error returning temperature"
return 0
def getVolumetricFlow(self):
try:
if not self.volumetricflowcli.isConfigured():
self.volumetricflowcli.configure()
output=float(self.volumetricflowcli.caget())
self.volumetricflowcli.clearup()
else:
output=float(self.volumetricflowcli.caget())
return output
except:
print "Error returning volumetric flow"
return 0
def getProportionalGain(self):
try:
if not self.readproportionalgaincli.isConfigured():
self.readproportionalgaincli.configure()
output=float(self.readproportionalgaincli.caget())
self.readproportionalgaincli.clearup()
else:
output=float(self.readproportionalgaincli.caget())
return output
except:
print "Error returning Proportional Gain"
return 0
def setProportionalGain(self, gain):
try:
if not self.setproportionalgaincli.isConfigured():
self.setproportionalgaincli.configure()
self.setproportionalgaincli.caput(gain)
self.setproportionalgaincli.clearup()
else:
self.setproportionalgaincli.caput(gain)
except:
print "error set to proportional gain"
def getDerivativeGain(self):
try:
if not self.readderivativegaincli.isConfigured():
self.readderivativegaincli.configure()
output=float(self.readderivativegaincli.caget())
self.readderivativegaincli.clearup()
else:
output=float(self.readderivativegaincli.caget())
return output
except:
print "Error returning Derivative Gain"
return 0
def setDerivativeGain(self, gain):
try:
if not self.setderivativegaincli.isConfigured():
self.setderivativegaincli.configure()
self.setderivativegaincli.caput(gain)
self.setderivativegaincli.clearup()
else:
self.setderivativegaincli.caput(gain)
except:
print "error set to derivative gain"
#### methods for scannable
def getPosition(self):
return self.getCurrentFlow()
def asynchronousMoveTo(self, posi):
self.setTarget(float(posi))
def isBusy(self):
return (abs(self.getPosition()-self.getTarget())>self.getTolerance())
def atScanStart(self):
pass
def atPointStart(self):
pass
def stop(self):
pass
def atPointEnd(self):
pass
def atScanEnd(self):
pass
class PositionCompareMotorWithLimitsClass(ScannableMotionBase):
'''Create a scannable for a single motor'''
def __init__(self, name, pvinstring, pvoutstring, pvstopstring, tolerance, unitstring, formatstring, upperlimit, lowerlimit):
self.setName(name);
self.setInputNames([name])
self.Units=[unitstring]
self.setOutputFormat([formatstring])
self.setLevel(5)
self.incli=CAClient(pvinstring)
self.outcli=CAClient(pvoutstring)
self.stopcli=CAClient(pvstopstring)
self._tolerance=tolerance
self.setUpperGdaLimits(upperlimit)
self.setLowerGdaLimits(lowerlimit)
def setLowerGdaLimits(self, lowerlimit):
ScannableMotionBase.setLowerGdaLimits(lowerlimit)
def getLowerGdaLimits(self):
return ScannableMotionBase.getLowerGdaLimits()
def setUpperGdaLimits(self, upperlimit):
ScannableMotionBase.setUpperGdaLimits(upperlimit)
def getUpperGdaLimits(self):
return ScannableMotionBase.getUpperGdaLimits()
def setTolerance(self, tolerance):
self._tolerance=tolerance
def getTolerance(self):
return self._tolerance
def atScanStart(self):
if not self.incli.isConfigured():
self.incli.configure()
if not self.outcli.isConfigured():
self.outcli.configure()
if not self.stopcli.isConfigured():
self.stopcli.configure()
def rawGetPosition(self):
try:
if not self.outcli.isConfigured():
self.outcli.configure()
output=float(self.outcli.caget())
self.outcli.clearup()
else:
output=float(self.outcli.caget())
return output
except:
print "Error returning current position"
return 0
def getTargetPosition(self):
try:
if not self.incli.isConfigured():
self.incli.configure()
target=float(self.incli.caget())
self.incli.clearup()
else:
target=float(self.incli.caget())
return target
except:
print "Error returning target position"
return 0
def rawAsynchronousMoveTo(self,new_position):
try:
if not self.incli.isConfigured():
self.incli.configure()
self.incli.caput(new_position)
self.incli.clearup()
else:
self.incli.caput(new_position)
except:
print "error moving to position"
def rawIsBusy(self):
return ( not abs(self.rawGetPosition() - self.getTargetPosition()) < self._tolerance)
def atScanEnd(self):
if self.incli.isConfigured():
self.incli.clearup()
if self.outcli.isConfigured():
self.outcli.clearup()
if self.stopcli.isConfigured():
self.stopcli.clearup()
def stop(self):
if not self.stopcli.isConfigured():
self.stopcli.configure()
self.stopcli.caput(1)
self.stopcli.clearup()
else:
self.stopcli.caput(1)
def toString(self):
return self.name + " : " + str(self.getPosition())
def cagetArray(pvstring): cli=CAClient(pvstring) cli.configure() out=cli.cagetArrayDouble() cli.clearup() return out
class EPICSODQBPMClass(ScannableBase): '''PD for OD QBPM device Inputs: None Outputs: Range, C1, C2, C3, C4, X, Y self.set_range(value) - set gain 0 = highest calibration sequence: self.dark_current() save dark current at current gain (beam off) self.set_zero() calibrate zero x,y (beam on) self.setxy(xval, yval) calibrate gains to give position in mm (go to xval, yval; beam on) - NOT TESTED Additional methods: config() loads qbpm parameters''' # a=A1*(current4-A2) etc # X=GX*(a-b)/(a+b) etc # a,b,c,d=chan 4,2,1,3 def __init__(self, name, pvrootstring,help=None): self.setName(name); if help is not None: self.__doc__+='\nHelp specific to '+self.name+':\n'+help #[self.A1,self.A2,self.B1,self.B2,self.C1,self.C2,self.D1,self.D2,self.GX, self.GY]=xyparamvec self.pvrootstring=pvrootstring self.setInputNames([]) self.setExtraNames(['Range','C1','C2','C3','C4','X','Y']); #self.setReportingUnits([' ','uA','uA','uA','uA','mm','mm']) self.setOutputFormat(['%.0f','%.9f','%.9f','%.9f','%.9f','%.3f','%.3f']) self.setLevel(9) self.rangecli=CAClient(pvrootstring+':RANGE_MENU');self.rangecli.configure() self.c1cli=CAClient(pvrootstring+':PHD1:I');self.c1cli.configure() self.c2cli=CAClient(pvrootstring+':PHD2:I');self.c2cli.configure() self.c3cli=CAClient(pvrootstring+':PHD3:I');self.c3cli.configure() self.c4cli=CAClient(pvrootstring+':PHD4:I');self.c4cli.configure() self.xcli=CAClient(pvrootstring+':XPOS');self.xcli.configure() self.ycli=CAClient(pvrootstring+':YPOS');self.ycli.configure() self.IR1cli=CAClient(pvrootstring+':PHD1:I_R');self.IR1cli.configure() self.IR2cli=CAClient(pvrootstring+':PHD2:I_R');self.IR2cli.configure() self.IR3cli=CAClient(pvrootstring+':PHD3:I_R');self.IR3cli.configure() self.IR4cli=CAClient(pvrootstring+':PHD4:I_R');self.IR4cli.configure() def getPosition(self): self.rangestring=self.rangecli.caget() self.c1string=self.c1cli.caget() self.c2string=self.c2cli.caget() self.c3string=self.c3cli.caget() self.c4string=self.c4cli.caget() self.xstring=self.xcli.caget() self.ystring=self.ycli.caget() return [float(self.rangestring),float(self.c1string), float(self.c2string),float(self.c3string),float(self.c4string),float(self.xstring),float(self.ystring)] # def asynchronousMoveTo(self,new_position): # self.rangecli.caput(new_position) def isBusy(self): return 0 def set_params(self,params): [A1,A2,B1,B2,C1,C2,D1,D2,GX,GY]=params self.configcli=CAClient(self.pvrootstring+':A1_SP');self.configcli.configure(); self.configcli.caput(A1); self.configcli.clearup(); self.configcli=CAClient(self.pvrootstring+':A2_SP');self.configcli.configure(); self.configcli.caput(A2); self.configcli.clearup(); self.configcli=CAClient(self.pvrootstring+':B1_SP');self.configcli.configure(); self.configcli.caput(B1); self.configcli.clearup(); self.configcli=CAClient(self.pvrootstring+':B2_SP');self.configcli.configure(); self.configcli.caput(B2); self.configcli.clearup(); self.configcli=CAClient(self.pvrootstring+':C1_SP');self.configcli.configure(); self.configcli.caput(C1); self.configcli.clearup(); self.configcli=CAClient(self.pvrootstring+':C2_SP');self.configcli.configure(); self.configcli.caput(C2); self.configcli.clearup(); self.configcli=CAClient(self.pvrootstring+':D1_SP');self.configcli.configure(); self.configcli.caput(D1); self.configcli.clearup(); self.configcli=CAClient(self.pvrootstring+':D2_SP');self.configcli.configure(); self.configcli.caput(D2); self.configcli.clearup(); self.configcli=CAClient(self.pvrootstring+':GX_SP');self.configcli.configure(); self.configcli.caput(GX); self.configcli.clearup(); self.configcli=CAClient(self.pvrootstring+':GY_SP');self.configcli.configure(); self.configcli.caput(GY); self.configcli.clearup(); def get_params(self): self.configcli=CAClient(self.pvrootstring+':A1_SP');self.configcli.configure(); A1=float(self.configcli.caget());self.configcli.clearup() self.configcli=CAClient(self.pvrootstring+':A2_SP');self.configcli.configure(); A2=float(self.configcli.caget()); self.configcli.clearup() self.configcli=CAClient(self.pvrootstring+':B1_SP');self.configcli.configure(); B1=float(self.configcli.caget()); self.configcli.clearup() self.configcli=CAClient(self.pvrootstring+':B2_SP');self.configcli.configure(); B2=float(self.configcli.caget()); self.configcli.clearup() self.configcli=CAClient(self.pvrootstring+':C1_SP');self.configcli.configure(); C1=float(self.configcli.caget()); self.configcli.clearup() self.configcli=CAClient(self.pvrootstring+':C2_SP');self.configcli.configure(); C2=float(self.configcli.caget()); self.configcli.clearup() self.configcli=CAClient(self.pvrootstring+':D1_SP');self.configcli.configure(); D1=float(self.configcli.caget()); self.configcli.clearup() self.configcli=CAClient(self.pvrootstring+':D2_SP');self.configcli.configure(); D2=float(self.configcli.caget()); self.configcli.clearup() self.configcli=CAClient(self.pvrootstring+':GX_SP');self.configcli.configure(); GX=float(self.configcli.caget()); self.configcli.clearup() self.configcli=CAClient(self.pvrootstring+':GY_SP');self.configcli.configure(); GY=float(self.configcli.caget()); self.configcli.clearup() return [A1,A2,B1,B2,C1,C2,D1,D2,GX,GY] def get_rawcounts(self): self.IR1=float(self.IR1cli.caget()) self.IR2=float(self.IR2cli.caget()) self.IR3=float(self.IR3cli.caget()) self.IR4=float(self.IR4cli.caget()) return [self.IR1, self.IR2, self.IR3, self.IR4] def set_range(self, newrange): self.rangecli.caput(newrange) def factory_reset(self): params=[A1,A2,B1,B2,C1,C2,D1,D2,GX,GY]=[1,0,1,0,1,0,1,0,1,1] self.set_params(params) def dark_current(self): #offsets not persistent - do dark current with beam off [A1,A2,B1,B2,C1,C2,D1,D2,GX,GY]=self.get_params() self.configcli=CAClient(self.pvrootstring+':PHD4:I_R');self.configcli.configure(); A2=float(self.configcli.caget()); self.configcli.clearup() self.configcli=CAClient(self.pvrootstring+':PHD2:I_R');self.configcli.configure(); B2=float(self.configcli.caget()); self.configcli.clearup() self.configcli=CAClient(self.pvrootstring+':PHD1:I_R');self.configcli.configure(); C2=float(self.configcli.caget()); self.configcli.clearup() self.configcli=CAClient(self.pvrootstring+':PHD3:I_R');self.configcli.configure(); D2=float(self.configcli.caget()); self.configcli.clearup() self.set_params([A1,A2,B1,B2,C1,C2,D1,D2,GX,GY]) print 'new dark currents (i4,i2,i1,i3):', [A2, B2, C2, D2] def set_zero(self): #do with beam on [ic,ib,id,ia]=self.get_rawcounts() [A1,A2,B1,B2,C1,C2,D1,D2,GX,GY]=self.get_params() A1B1=A1*B1; C1D1=C1*D1; #get products A1_B1=(ib-B2)/(ia-A2); #calculate ratio X=0 C1_D1=(id-D2)/(ic-C2); #calculate ratio Y=0 #re-calc A1, B1 etc for zero X,Y but keep ratio at current value [A1, B1, C1, D1]=[sqrt(A1B1*A1_B1), sqrt(A1B1/A1_B1), sqrt(C1D1*C1_D1), sqrt(C1D1/C1_D1)] self.set_params([A1,A2,B1,B2,C1,C2,D1,D2,GX,GY]) def set_xy(self,x,y): #do with beam on [ic,ib,id,ia]=self.get_rawcounts() [A1,A2,B1,B2,C1,C2,D1,D2,GX,GY]=self.get_params() [a,b,c,d]=[A1*(ia-A2), B1*(ib-B2),C1*(ic-C2), D1*(id-D2)] [GX, GY]=[x*(a+b)/(a-b),y*(c+d)/(c-d)] #print [A1,A2,B1,B2,C1,C2,D1,D2,GX,GY] self.set_params([A1,A2,B1,B2,C1,C2,D1,D2,GX,GY])
def caput_wait(pvstring, value, timeout=10): cli=CAClient(pvstring) cli.configure() cli.caput(timeout, value) cli.clearup()
class DetectorControlClass(ScannableMotionBase):
"""Create PD for single EPICS ETL detector"""
def __init__(self, name, pvinstring, pvoutstring, unitstring, formatstring):
self.setName(name)
self.setInputNames([name])
self.Units = [unitstring]
self.setOutputFormat([formatstring])
self.setLevel(3)
self.incli = CAClient(pvinstring)
self.outcli = CAClient(pvoutstring)
def atStart(self):
if not self.incli.isConfigured():
self.incli.configure()
if not self.outcli.isConfigured():
self.outcli.configure()
def getPosition(self):
try:
if not self.outcli.isConfigured():
self.outcli.configure()
output = float(self.outcli.caget())
self.outcli.clearup()
else:
output = float(self.outcli.caget())
return output
except:
print "Error returning current position"
return 0
def getTargetPosition(self):
try:
if not self.incli.isConfigured():
self.incli.configure()
target = float(self.incli.caget())
self.incli.clearup()
else:
target = float(self.incli.caget())
return target
except:
print "Error returning target position"
return 0
def asynchronousMoveTo(self, new_position):
try:
if not self.incli.isConfigured():
self.incli.configure()
self.incli.caput(new_position)
self.incli.clearup()
else:
self.incli.caput(new_position)
except:
print "error moving to position"
def isBusy(self):
return self.getPosition() != self.getTargetPosition()
def atEnd(self):
if self.incli.isConfigured():
self.incli.clearup()
if self.outcli.isConfigured():
self.outcli.clearup()
def toString(self):
return self.name + " : " + str(self.getPosition())
class SamplePressure(ScannableBase, MonitorListener):
"""
create a sannable to provide control of gas pressure in the sample.
It will reports to users when the system pressure is less than the sample pressure requested.
"""
def __init__(self, name, systempressure):
"""
Constructor
"""
self.setName(name)
self.setInputNames([name])
self.increment = 0.01
self.target = 0.0
self.lastTarget = 0.0
self.sampleP = 0.0
self.currentpressure = 0.0
self.pressureTolerance = 0.002
self.outcli = CAClient(CurrentPressure)
self.incli = CAClient(TargetPressure)
self.sysp = systempressure
self.initialiseTarget()
def atScanStart(self):
"""intialise parameters before scan"""
# TODOS check requested sample pressure can be reached
if not self.outcli.isConfigured():
self.outcli.configure()
if not self.incli.isConfigured():
self.incli.configure()
self.target = self.getPosition()
def atScanEnd(self):
"""clean up resources"""
if self.outcli.isConfigured():
self.outcli.clearup()
if self.incli.isConfigured():
self.incli.clearup()
def atPointStart(self):
pass
def atPointEnd(self):
pass
def getPosition(self):
"""
return the current gas pressure in sample
"""
try:
if not self.outcli.isConfigured():
self.outcli.configure()
output = float(self.outcli.caget())
self.outcli.clearup()
else:
output = float(self.outcli.caget())
return output
except:
print "Error returning current position"
return 0
def asynchronousMoveTo(self, new_position):
"""
move the sample pressure to the specified value asynchronously.
"""
try:
self.lastTarget = round(self.getLastTarget(), 3)
self.sampleP = round(self.getPosition(), 3)
self.target = round(float(new_position), 3)
thread.start_new_thread(self.setSamplePressure, (self.sampleP, self.target, self.increment))
except:
print "error moving sample pressure to (%s): %f" % (sys.exc_info()[0], float(new_position))
raise
def isBusy(self):
return abs(self.getPosition() - self.getTarget()) > self.getTolerance()
def stop(self):
"""
stop or abort pressure move in the sample.
"""
self.asynchronousMoveTo(self.getPosition())
if self.outcli.isConfigured():
self.outcli.clearup()
if self.incli.isConfigured():
self.incli.clearup()
def setSamplePressure(self, SampleP, target, increment):
# SET FINAL SAMPLE PRESSURE AND INCREMENTS
if SampleP < target:
SampleP = round(self.lastTarget + increment, 3) # increments in bar
if SampleP > target:
return
try:
if not self.incli.isConfigured():
self.incli.configure()
while SampleP <= target: # final sample pressure in bar
# interruptable()
self.incli.caput(SampleP)
# print "set sample pressure to "+str(SampleP)+", target is "+str(target)
sleep(5) # wait time in seconds
SampleP = round(SampleP + increment, 3)
# check if smaple pressure required greater the system pressure then exit
if self.sysp.getPosition() < target:
# TODOs recharge the system pressure here???
print "System pressure %f is less than the demanding sample pressure %f. Please abort this scan or re-charge the system pressure." % (
self.sysp.getPosition(),
target,
)
# if self.incli.isConfigured():
# self.incli.clearup()
except:
print "error moving to position"
elif SampleP > target:
SampleP = round(self.lastTarget - increment, 3) # increments in bar
if SampleP < target:
return
if SampleP < 0:
SampleP = 0
if target < 0:
raise Exception("Pressure cannot be negative.")
try:
if not self.incli.isConfigured():
self.incli.configure()
while SampleP >= target: # final sample pressure in bar
# interruptable()
self.incli.caput(SampleP)
# print "set sample pressure to "+str(SampleP)+", target is "+str(target)
sleep(5) # wait time in seconds
SampleP = round(SampleP - increment, 3)
if SampleP < 0:
self.incli.caput(0)
break
# if self.incli.isConfigured():
# self.incli.clearup()
except:
print "error moving to position"
else:
print "already at the sample pressure."
return
def setIncrement(self, value):
self.increment = value
def getIncrement(self):
return self.increment
def getTarget(self):
return self.target
def getLastTarget(self):
try:
if not self.incli.isConfigured():
self.incli.configure()
output = float(self.incli.caget())
self.incli.clearup()
else:
output = float(self.incli.caget())
return output
except:
print "Error returning target value"
return 0
def initialiseTarget(self):
self.lastTarget = self.getLastTarget()
def getTolerance(self):
return self.pressureTolerance
def setTolerance(self, value):
self.pressureTolerance = value
class ADC(ScannableMotionBase, MonitorListener):
def __init__(self, name, hv=adcppv, el=adcepv, gate=adcgatepv):
self.setName(name)
self.setInputNames([])
self.hv=hv
self.el=el
self.gate=gate
self.voltagecli=CAClient(hv)
self.electrometercli=CAClient(el)
self.gatecli=CAClient(gate)
self.voltagenordcli=CAClient(hv+".NORD")
self.electrometernordcli=CAClient(el+".NORD")
self.monitoradded=False
self.filename=None
self.voltagemonitor=None
self.electrometermonitor=None
self.gatemonitor=None
self.firstMonitor = True
self.data={hv:[],el:[],gate:[]}
self.voltages = [] # for holding voltage data array
self.electrometers=[] # for holding electrometer data array
self.gates=[]
self.firstData = True
self.fastmode = False
self.numberofgate=0
self.fastMode=True
self.updatecounter=0
self.collectionNumber=1
def setNumberOfGates(self, ng):
self.numberofgate=ng
def getNumberOfGates(self):
return self.numberofgate
def getCollectionNumber(self):
return self.collectionNumber
def setCollectionNumber(self, num):
self.collectionNumber=num
def isFastMode(self):
return self.fastMode
def setFastMode(self, mode):
self.fastMode=mode
def reset(self):
self.electrometers = []
self.voltages = []
self.updatecounter=0
self.collectionNumber=1
def setFilename(self, filename):
self.filename=filename
def getFilename(self):
return self.filename
def getElectrometer(self, num):
try:
if not self.electrometercli.isConfigured():
self.electrometercli.configure()
return self.electrometercli.cagetArrayDouble(num)
except FactoryException, e:
print "create channel error (%s): %s" % (self.electrometercli.getChannel().getName(),e)
except CAException, e:
print "caget Error (%s): %s" % (self.electrometercli.getChannel().getName(),e)
