"""
XAS scan
"""

POSITIONERS = (Eph)
SENSORS = (SampleCurrent, RefCurrent, AuxCurrent, AuxVoltage, MachineCurrent)
#SENSORS = (SampleCurrent, RefCurrent, AuxCurrent, MachineCurrent, OpticsCameraCentroidX, OpticsCameraSigmaX)
STARTPOS = (518.0)
ENDPOS = (548.0)
#NUMPOINTS = 76
STEPSIZE = 0.05
LATENCY = 0.2
DWELL = 5.0
ENDSCAN = True # close shutter at end

value = DWELL * 10.0
SampleCurrentAveraging.write(value)
RefCurrentAveraging.write(value)
AuxCurrentAveraging.write(value)
AuxVoltageAveraging.write(value)

def trig():
    wait_beam()
    caput("X03DA-OP-10ADC:TRG.PROC", 1)

try:
    lscan(POSITIONERS, SENSORS, STARTPOS, ENDPOS, STEPSIZE, LATENCY, before_read=trig, after_read=after_readout)
finally:
    if ENDSCAN:
        after_scan()