def __init__(self, name="peloop", functiongenerator=fg, eventreceiver=evr, adc1=adc, psd=mythen):
self.setName(name)
self.setInputNames(["time"])
self.setExtraNames(["PData","EData","MythenData"])
self.fg=FunctionGenerator()
self.evr=EventReceiver()
self.adc=ADC()
self.psd=mythen
self.voltagesmonitor=PVMonitor()
self.electrometersmonitor=PVMonitor()
self.counter=0
self.numberofgates=0
class PELoop(ScannableMotionBase):
def __init__(self, name="peloop", functiongenerator=fg, eventreceiver=evr, adc1=adc, psd=mythen):
self.setName(name)
self.setInputNames(["time"])
self.setExtraNames(["PData","EData","MythenData"])
self.fg=FunctionGenerator()
self.evr=EventReceiver()
self.adc=ADC()
self.psd=mythen
self.voltagesmonitor=PVMonitor()
self.electrometersmonitor=PVMonitor()
self.counter=0
self.numberofgates=0
# function generator controls
def getElectrometer(self):
try:
self.adc.getElectrometer()
except:
print "Fail to get electrometer readings: ", sys.exc_info()[0]
raise
def getVoltage(self):
try:
self.adc.getVoltage()
except:
print "Fail to get voltage readings: ", sys.exc_info()[0]
raise
def atScanStart(self):
#add voltage and electrometer monitor to get data,
#this may trigger an monitor event that increment the counter, so it must be reset
self.voltagesmonitor.setNumberOfGates(self.numberofgates)
self.electrometersmonitor.setNumberOfGates(self.numberofgates)
self.adc.addVoltageMonitor(self.voltagesmonitor)
self.adc.addElectrometerMonitor(self.electrometersmonitor)
#start ramp output
self.fg.setOutput(1)
def atScanEnd(self):
#add voltage and electrometer monitor to get datas
self.adc.removeVoltageMonitor(self.voltagesmonitor)
self.adc.removeElectrometerMonitor(self.electrometersmonitor)
#stop ramp output
self.fg.setOutput(0)
def atPointStart(self):
self.voltagesmonitor.resetCounter()
self.voltagesmonitor.resetRepetition()
self.electrometersmonitor.resetCounter()
self.electrometersmonitor.resetRepetition()
def atPointEnd(self):
pass
def rawGetPosition(self):
return self.volatgesmonitor.rawGetPosition(), self.electrometersmonitor.rawGetPosition(),mythen.getPosition()
def rawAsynchronousMoveTo(self,new_position):
self.evr.rawAsynchronousMoveTo(new_position)
def rawIsBusy(self):
return self.evr.rawIsBusy()
