plt.title(prefix+'$I_{max}$:{:.1f}nA, $I_{mmin}$:{:.1f}nA'.fomrat(1e-9*V_bias/np.Minimum(resistance_array),1e-9*V_bias/np.Maximum(resistance_array)))
''' Initialize '''
pygame.init()
pygame.display.set_mode((100,100))
## Temperature readout
mytriton = TritonWrapper()
try:
T = mytriton.GetTemperature(8)
except:
T = -1
## Output setting
idstring = '_at{:.2f}mK'.format(T).replace('.','p')
colnames = ['Vmeas (V)', 'Iset (A)', 'Rmeas (Ohm)', 'Vgate (V)', 'T (mK)', 'Time (s)', 'Ileakage (nA)']
myfile = stlab.newfile(prefix, idstring, colnames, autoindex=True)
Vglist = np.linspace(Vgmax, Vgmin, (Vgmax-Vgmin)/deltaVg+1)
Vg_ini = Vglist[0]
END = False
pygame.init()
pygame.display.set_mode((100,100))
##########################################################
''' Initializing the devices '''
# initial configuration of the Lock-in
apilevel_example = 6 # The API level supported by this example.
(daq, device, props) = zhinst.utils.create_api_session(device_id, apilevel_example, required_devtype='.*LI|.*IA|.*IS')
zhinst.utils.api_server_version_check(daq)
zhinst.utils.disable_everything(daq, device)
out_mixer_channel = zhinst.utils.default_output_mixer_channel(props)
## Temperature readout
mytriton = TritonWrapper()
# resetting the IVVI
dev = IVVI_DAC('COM5') # IVVI
dev.RampAllZero()
# initializing the Keithley for gate current measurement
vmeasure = stlab.adi('TCPIP::192.168.1.161::INSTR',read_termination='\n') # with Keithley DMM6500
# vmeasure=stlab.adi("ASRL1::INSTR") #with Keithley 2000
vmeasure.write('SENS:VOLT:DC:RANG:AUTO 0')
vmeasure.write('SENS:VOLT:DC:RANGE 2')
vmeasure.write(':INIT:CONT 0')
vmeasure.write('VOLT:NPLC 1')
vmeasure.write('TRIG:SOUR IMM')