"""
Arguments:

VECTOR (Double[][], Scan vector: Eph,Elow,Ehigh or Eph,Ecenter)
SENSORS (list)
LATENCY (double)
MODE ('fixed' or 'swept')
TYPE ('CIS' or 'CFS')
STEP (double)
"""

global VECTOR, SENSORS

MODE = "swept"
LATENCY = 2.0
SENSORS = (Counts, Scienta.dataMatrix, SampleCurrent, RefCurrent, MachineCurrent, EnergyDistribution, AngleDistribution)

Scienta.setAcquisitionMode(ch.psi.pshell.epics.Scienta.AcquisitionMode.Swept)
writables = (Eph, Scienta.lowEnergy, Scienta.highEnergy)

adjust_sensors()
set_adc_averaging()

try:
    # scan 1
    NPOINTS = 121
    EPH_START = 425.0
    EPH_STEP = 2.5

    EKIN_LOW = 19.0
    EKIN_HIGH = 29.0
    EKIN_STEP = 0.1
    DWELL_TIME = 0.1
    
    VECTOR = [[EPH_START + i * EPH_STEP, EKIN_LOW + i * EPH_STEP, EKIN_HIGH + i * EPH_STEP] for i in range(NPOINTS)]
    Scienta.stepSize.write(EKIN_STEP)
    Scienta.stepTime.write(DWELL_TIME)
    vscan(writables, SENSORS, VECTOR, True, LATENCY, False, before_read=before_readout, after_read = after_readout)

    # scan 2
    NPOINTS = 121
    EPH_START = 425.0
    EPH_STEP = 2.5

    EKIN_LOW = 19.0
    EKIN_HIGH = 29.0
    EKIN_STEP = 0.1
    DWELL_TIME = 0.1

    VECTOR = [[EPH_START + i * EPH_STEP, EKIN_LOW + i * EPH_STEP, EKIN_HIGH + i * EPH_STEP] for i in range(NPOINTS)]
    Scienta.stepSize.write(EKIN_STEP)
    Scienta.stepTime.write(DWELL_TIME)
    vscan(writables, SENSORS, VECTOR, True, LATENCY, False, before_read=before_readout, after_read = after_readout)
    
finally:
    after_scan()