Files
x11ma/script/Electric_field_twoval.py
2017-12-14 09:35:47 +01:00

126 lines
2.9 KiB
Python

import os
import traceback
import thread
import time
import datetime
#ID settings
#Set PGM ID2
caput ("X11PHS-E:OPT","PGM+ID2")
#set ID2 to C+
caput(OTF_MODE2,1)
caput(OTF_OFF2,OFFSETp)
E1 = 778 # Edge
E2 = 770 #preedge
OFFSETp = -1.9
OFFSETm = -1.9
# Voltage/magnetic field setting
Max = 14;
Min=-Max;
No_of_steps = 10;
dB = Max/No_of_steps;
Noavg = 1;
times = 20
V1 = 1;
V2 = -14;
os.chdir("/sls/X11MA/data/X11MA/beamtime_december/")
#forward loop
open_vg13()
file_prefix = time.strftime("%y%m%d")
ts=time.time();
time_prefix = datetime.datetime.fromtimestamp(ts).strftime('%H%M%S')
filename=open("data"+file_prefix+time_prefix+".txt","a")
#for i in range(0,No_of_steps):
# B = -Max + 2*i*dB;
# print "Setting field = ", B
# caput("X11MA-XMCD:I-SETraw",B)
for i in range(0,times):
print "Setting field = ", V1
caput("X11MA-XMCD:I-SETraw",V1)
print "Setting energy = ", E1
caput(OTF_ESET, E1)
wait_channel(OTF_DONE, 1, type = 'i')
readback2 = energy.read()
sleep(3);
detector1 = keithley_1a.read() #Keithley1
detector2 = keithley_2a.read() #Keithley2
detector4 = caget(OTF_MODE2) #polarization in ID2
M1 = float(detector2)/float(detector1)
ADC2_E1=detector2;
ADC1_E1=detector1;
print "Setting energy = ", E2
caput(OTF_ESET, E2)
wait_channel(OTF_DONE, 1, type = 'i')
readback2 = energy.read()
sleep(3);
detector1 = keithley_1a.read() #Keithley1
detector2 = keithley_2a.read() #Keithley2
detector4 = caget(OTF_MODE2) #polarization in ID2
M2 = float(detector2)/float(detector1)
tey_norm=M1/M2;
ADC2_E2=detector2;
ADC1_E2=detector1;
filename.write(" %f %f %e %f %e %e %s \n" %(V1, E1, ADC2_E1, E2, ADC2_E2, tey_norm, detector4));
print "Setting field = ", V2
caput("X11MA-XMCD:I-SETraw",V2)
print "Setting energy = ", E1
caput(OTF_ESET, E1)
wait_channel(OTF_DONE, 1, type = 'i')
readback2 = energy.read()
sleep(3);
detector1 = keithley_1a.read() #Keithley1
detector2 = keithley_2a.read() #Keithley2
detector4 = caget(OTF_MODE2) #polarization in ID2
M1 = float(detector2)/float(detector1)
ADC2_E1=detector2;
ADC1_E1=detector1;
print "Setting energy = ", E2
caput(OTF_ESET, E2)
wait_channel(OTF_DONE, 1, type = 'i')
readback2 = energy.read()
sleep(3);
detector1 = keithley_1a.read() #Keithley1
detector2 = keithley_2a.read() #Keithley2
detector4 = caget(OTF_MODE2) #polarization in ID2
M2 = float(detector2)/float(detector1)
temp_norm=M1/M2;
ADC2_E2=detector2;
ADC1_E2=detector1;
filename.write(" %f %f %e %f %e %e %s \n" %(V2, E1, ADC2_E1, E2, ADC2_E2, tey_norm, detector4));
filename.close();
# plot properties
set_preference(Preference.ENABLED_PLOTS, ['energy', 'tey_norm'])
set_preference(Preference.PLOT_TYPES, {'tey_norm':1})
print "Data saved in data "+file_prefix+time_prefix+""