diff --git a/hp4155/memristor (Version 4.0)/help.py b/hp4155/memristor (Version 4.0)/help.py
index c8560119cb55cf35231537fde39a8a5b8cb3861b..f90780baa8ec701d9aa5e2108493432fbe0f0aae 100644
--- a/hp4155/memristor (Version 4.0)/help.py
+++ b/hp4155/memristor (Version 4.0)/help.py
@@ -105,7 +105,10 @@ def regular_contact_check(device):
"""
R=contact_check(i,j,device)
resistances[f"{i}-{j}"] = R
- return resistances
+
+ #convert dictionary to df
+ df = pd.DataFrame(resistances.items(), columns=['SMU pair', 'Resistance (Ohm)'])
+ return df
def EBL(device):
# EBL are SMUs 1-4 and 2-3
@@ -113,17 +116,21 @@ def EBL(device):
for i,j in zip(range(1,3),range(4,2,-1)): #loop simultaneously 1-4,2-3 pairs
R = contact_check(i,j,device)
resistances[f"{i}-{j}"] = R
- return resistances
+
+ #convert dictionary to df
+ df = pd.DataFrame(resistances.items(), columns=['SMU pair', 'Resistance (Ohm)'])
+ return df
def OL(device):
# OL smu 3-4,1-2
resistances= {}
for i,j in zip(range(3,0,-2),range(4,1,-2)): #loop simultaneously 3-4 , 1-2 pairs
R = contact_check(i,j,device)
- resistances[f"{i}-{j}"] = R
- return resistances
+ resistances[f"{i}-{j}"] = R
-
+ #convert dictionary to df
+ df = pd.DataFrame(resistances.items(), columns=['SMU pair', 'Resistance (Ohm)'])
+ return df
#double sweep from start to stop and then from start to stop
def sweep(start,stop,step,comp,integration,device): #step cannot be negative
@@ -352,9 +359,16 @@ def create_retention_data_frame(x,y):
#write results to file
-def write_to_file(file,title,df):
- with open(file,'a') as f:
- f.write(title)
+def write_to_file(file,title:list,df):
+ #append escape character after each element
+ index = 1
+ while index <= len(title):
+ title.insert(index,"\n")
+ index = index+2
+
+ #write to file
+ with open(file,'a') as f:
+ f.writelines(title)
f.write("\n")
f.write(df.to_string())
f.write("\n\n")
@@ -487,21 +501,6 @@ def upload_results(source_file,target_file,target_file_dir):
filename = os.path.basename(target_file)
target_file =os.path.join(target_file_dir,filename)
#and then try again
-
-
-def save_contact_check(R,file): #save contact check to file
- """
- Parameters:
- -Resistances list
- -File to save
- """
-
- with open(file,'a') as f:
- f.write("Contact Check Results:\n")
-
- df = pd.DataFrame(R.items(), columns=['SMU pair', 'Resistance (Ohm)'])
- f.write(df.to_string())
- f.write("\n\n")
diff --git a/hp4155/memristor (Version 4.0)/help_pulse.py b/hp4155/memristor (Version 4.0)/help_pulse.py
index dac0bb619e6e5c0ece49eeeb5a7c0bd252e2265e..522c6e6fac1ebc203fd46a9bc0169c4a7c7702a6 100644
--- a/hp4155/memristor (Version 4.0)/help_pulse.py
+++ b/hp4155/memristor (Version 4.0)/help_pulse.py
@@ -36,7 +36,7 @@ def check_pulse(dictionary):
#sweep pulse measurement
-def sweep_meas(dict,device):
+def sweep_meas(dictionary,device):
smu_v = device.smu_dict()
smu_ground = device.smu_dict()
parameters = device.var1_dict()
@@ -55,14 +55,14 @@ def sweep_meas(dict,device):
)
parameters.update(
mode ='SING',
- start = dict['start'].value,
- stop = dict['stop'].value,
- step = dict["stop"].value-dict["start"].value)/(dict["pulses"].value-1, #define the number of steps given specific pulses
- comp = dict["comp"].value,
+ start = dictionary['start'].value,
+ stop = dictionary['stop'].value,
+ step = (dictionary["stop"].value-dictionary["start"].value)/(dictionary["pulses"].value-1), #define the number of steps given specific pulses
+ comp = dictionary['comp'].value,
pcomp = 0,
- base = dict["base"].value,
- width = dict["width"].value,
- period= dict["period"].value
+ base = dictionary["base"].value,
+ width = dictionary["width"].value,
+ period= dictionary["period"].value
)
device.smu_disable(1)
device.smu_disable(3)
@@ -81,7 +81,7 @@ def sweep_meas(dict,device):
device.setup_pulse(parameters)
- device.integration_time(dict["integration"].value)
+ device.integration_time(dictionary["integration"].value)
t0 = time.time()
device.single_measurement()
@@ -98,7 +98,7 @@ def sweep_meas(dict,device):
R_i = np.divide(V_i,I_i)
- expected_time = dict["period"].value*dict["pulses"].value
+ expected_time = dictionary["period"].value*dictionary["pulses"].value
times = (elapsed_time,expected_time)
values = (V_i,I_i,R_i)
@@ -157,7 +157,7 @@ def save_sweep(folder,sample_dict,values,times,sweep_dict):
f.write(df.to_string())
f.write("\n\n\n")
-def constant_meas(dict,device):
+def constant_meas(dictionary,device):
smu_v = device.smu_dict()
smu_ground = device.smu_dict()
sweep_params = device.var1_dict()
@@ -185,17 +185,17 @@ def constant_meas(dict,device):
mode ='SING',
start = 0,
stop = 10,
- step = 10/(dict["pulses"].value-1, #define the number of steps given specific pulses
+ step = 10/(dictionary["pulses"].value-1), #define the number of steps given specific pulses
comp = 0.1,
pcomp = 0,
- base = dict["base"].value,
- width = dict["width"].value,
- period= dict["period"].value
+ base = dictionary["base"].value,
+ width = dictionary["width"].value,
+ period= dictionary["period"].value
)
#the constant smu
cons = {
- 'value':dict["voltage"].value,
- 'comp':dict["comp"].value
+ 'value':dictionary["voltage"].value,
+ 'comp':dictionary["comp"].value
}
device.measurement_mode("SWE")
@@ -217,7 +217,7 @@ def constant_meas(dict,device):
device.range_mode(3,"AUTO")
- device.integration_time(dict["integration"].value)
+ device.integration_time(dictionary["integration"].value)
device.variables_to_save(['@INDEX','V2','I2','R'])
@@ -236,7 +236,7 @@ def constant_meas(dict,device):
R_i = device.return_values('R')
- expected_time = dict["period"].value*dict["pulses"].value
+ expected_time = dictionary["period"].value*dictionary["pulses"].value
times = (elapsed_time,expected_time)
values = (V_i,I_i,R_i)
diff --git a/hp4155/memristor (Version 4.0)/memristor.py b/hp4155/memristor (Version 4.0)/memristor.py
index 657ec6c443ec96916144c95d5e0ca72fb3c0109a..a42129e8b83fa53ccf0bf7d6929132d0f9c9413d 100644
--- a/hp4155/memristor (Version 4.0)/memristor.py
+++ b/hp4155/memristor (Version 4.0)/memristor.py
@@ -197,18 +197,22 @@ def on_contact_check_clicked(b):
with output:
clear_output(wait = True)
change_state(all_widgets)
+ device.inst.lock_excl()
filename=f"{sample_series.value}_{field.value}_{DUT.value}.txt"
file = os.path.join(folder,filename)
R = regular_contact_check(device)
- save_contact_check(R,temp_file)
+ date = str(datetime.today().replace(microsecond=0))
+ title = [f"Full Contact Check ({qcc_select.value}) at {date}"]
+ write_to_file(temp_file,title,R)
#upload results
temp_file,file,folder=upload_results(temp_file,file,folder)
information_box("Contact Check Completed")
+ device.inst.unlock()
change_state(all_widgets)
@@ -217,29 +221,34 @@ def on_qcc_clicked(b):
with output:
clear_output(wait = True)
change_state(all_widgets)
+ device.inst.lock_excl()
filename=f"{sample_series.value}_{field.value}_{DUT.value}.txt"
file = os.path.join(folder,filename)
-
-
+ device.inst.lock_excl()
+
if qcc_select.value == 'EBL':
R = EBL(device)
else: # OL
- R = OL(device)
+ R = OL(device) #df
- save_contact_check(R,temp_file)
+ date = str(datetime.today().replace(microsecond=0))
+ title = [f"Quick Contact Check ({qcc_select.value}) at {date}"]
+ write_to_file(temp_file,title,R)
#upload results
temp_file,file,folder=upload_results(temp_file,file,folder)
information_box("Quick Contact Check Completed")
+ device.inst.unlock()
+
change_state(all_widgets)
def on_set_button_clicked(b):
- global first,folder,file,temp_file
+ global folder,temp_file
with output:
#disable buttons
change_state(all_widgets)
@@ -247,8 +256,6 @@ def on_set_button_clicked(b):
filename=f"{sample_series.value}_{field.value}_{DUT.value}.txt"
file = os.path.join(folder,filename)
- device = setup_memristor()
-
#lock the device
device.inst.lock_excl()
@@ -268,17 +275,18 @@ def on_set_button_clicked(b):
V12,I12 = sweep(0,Vset.value,step.value,CC_vset.value,integration_time.value,device)
plot_sweep(V12,I12,'SET')
df = create_data_frame(V12,I12)
- print(df)
+ display(df)
if sampling.value == True: #do sampling set after set process(10mV)
R_mean_after = sampling_check(0.01,device)
print(f"Average Resistance(Sampling Check):{'{:.2e}'.format(R_mean_after)} Ohm")
first_sampling = False
-
- title = f"SET Memristor:"+"\n\n"+f"Set Voltage={Vset.value}V"+"\n"+f"current compliance={CC_vset.value}A"+"\n"
+
+ date = str(datetime.today().replace(microsecond=0))
+ title = [f"SET Memristor at {date}",f"Set Voltage={Vset.value}V",f"current compliance={CC_vset.value}A"]
if sampling.value == True:
- title = title + f"R(Ohm) Before/After"+"\n"+f"{R_mean_before} {R_mean_after}"+"\n"
+ title.extend([f"R(Ohm) Before/After",f"{R_mean_before} {R_mean_after}"])
write_to_file(temp_file,title,df)
#upload results
@@ -289,8 +297,6 @@ def on_set_button_clicked(b):
#unlock device
device.inst.unlock()
-
- del device
change_state(all_widgets)
@@ -298,7 +304,6 @@ def on_reset_button_clicked(b):
global folder,temp_file
with output:
change_state(all_widgets)
- device = setup_memristor()
filename=f"{sample_series.value}_{field.value}_{DUT.value}.txt"
file = os.path.join(folder,filename)
@@ -322,25 +327,28 @@ def on_reset_button_clicked(b):
V34,I34 = sweep(0,Vreset.value,step.value,CC_vreset.value,integration_time.value,device)
plot_sweep(V34,I34,'RESET')
df = create_data_frame(V34,I34)
- print(df)
+ display(df)
if sampling.value == True: #do sampling set after reset process(100mV)
R_mean_after = sampling_check(-0.01,device)
print(f"Average Resistance(Sampling Check):{'{:.2e}'.format(R_mean_after)} Ohm")
first_sampling = False
-
- title =f"RESET Memristor:"+"\n\n"+f"Reset Voltage={Vreset.value}V"+"\n"+f"current compliance={CC_vreset.value}A"+"\n"
+
+ date = str(datetime.today().replace(microsecond=0))
+ title =[f"RESET Memristor at {date}",f"Reset Voltage={Vreset.value}V",f"current compliance={CC_vreset.value}A"]
if sampling.value == True:
- title = title + f"R(Ohm) Before/After"+"\n"+f"{R_mean_before} {R_mean_after}"+"\n"
+ title.extend([f"R(Ohm) Before/After",f"{R_mean_before} {R_mean_after}"])
write_to_file(temp_file,title,df)
#Quick Contact Check after reset Process
if auto_qcc.value == True:
if qcc_select.value == 'EBL':
- R=EBL()
+ R=EBL(device)
else: # OL
- R=OL()
- save_contact_check(R,temp_file)
+ R=OL(device)
+
+ title = [f"Automatic Quick Contact Check({qcc_select.value}) after Reset"]
+ write_to_file(temp_file,title,R)
#upload results
temp_file,file,folder=upload_results(temp_file,file,folder)
@@ -351,8 +359,6 @@ def on_reset_button_clicked(b):
#unlock device
device.inst.unlock()
- del device
-
change_state(all_widgets)
def on_full_button_clicked(b):
@@ -363,8 +369,6 @@ def on_full_button_clicked(b):
filename=f"{sample_series.value}_{field.value}_{DUT.value}.txt"
file = os.path.join(folder,filename)
- device= setup_memristor()
-
# lock device
device.inst.lock_excl()
@@ -372,31 +376,11 @@ def on_full_button_clicked(b):
#check values
valid = check_values(step.value,Vset.value,Vreset.value)
-
- #during first button press
- if first == True and valid == True:
- #disable checkboxes, text fields etc.
- change_state(information)
- filename=f"{sample_series.value}_{field.value}_{DUT.value}.txt"
- file = os.path.join(folder,filename)
- #write header to temp_file
- write_header(temp_file,sample_series,field,DUT)
- first = False #set first to false irrelvant if it is in the if statement or not
-
+ date = str(datetime.today().replace(microsecond=0))
if valid == True:
with open(temp_file,'a') as f:
- f.write(f"{number.value} full sweeps with parameters:")
- f.write("\n")
- f.write(f"Set Voltage = {Vset.value}V")
- f.write("\n")
- f.write(f"Current compliance set = {CC_vset.value}A")
- f.write("\n")
- f.write(f"Reset Voltage = {Vreset.value}V")
- f.write("\n")
- f.write(f"Current compliance reset = {CC_vreset.value}A")
- f.write("\n\n")
-
+ header =[f"{number.value} full sweeps with parameters:",f"Set Voltage = {Vset.value}V",f"Current compliance set = {CC_vset.value}A",f"Reset Voltage = {Vreset.value}V",f"Current compliance reset = {CC_vreset.value}A"]
plt.figure().clear()
fig, (ax1, ax2) = plt.subplots(2,sharex=True,figsize=(8,6)) #the plots share the same x axis
@@ -434,9 +418,9 @@ def on_full_button_clicked(b):
#Quick Contact Check after reset Process
if auto_qcc.value == True:
if qcc_select.value == 'EBL':
- R = EBL()
+ R = EBL(device)
else: # OL
- R = OL()
+ R = OL(device)
#no reason to do check at the end because the next loop will do that(not anymore) more sampling checks
@@ -452,15 +436,19 @@ def on_full_button_clicked(b):
#create data frame and save to file
df = create_data_frame(V,I)
- f.write(f"{i+1} Iteration")
- f.write("\n")
+ if i == 0 :
+ header.extend([f"{i+1} Iteration"])
+ title = header.copy()
+ else:
+ title = [f"{i+1} Iteration"]
if sampling.value == True:
- f.write(f"R(Ohm) INIT/SET/RESET"+"\n"+f"{R_mean_init} {R_mean_set} {R_mean_reset}"+"\n")
- f.write(df.to_string())
- f.write("\n\n")
+ title.extend([f"R(Ohm) INIT/SET/RESET",f"{R_mean_init} {R_mean_set} {R_mean_reset}"])
+ write_to_file(temp_file,title,df)
+
if auto_qcc.value == True:
- save_contact_check(R,temp_file)
+ title= [f"Quick Contact Check({qcc_select.value}) after Reset"]
+ write_to_file(temp_file,title,R)
#plot results
@@ -472,7 +460,7 @@ def on_full_button_clicked(b):
clear_output()
display(fig)
#plt.show()
- print(df)
+ display(df)
#check for loop termination
if stop == True:
@@ -508,14 +496,13 @@ def on_full_button_clicked(b):
#unlock the device
device.inst.unlock()
- del device
change_state(all_widgets)
#new_folder clicked
def on_new_folder_button_clicked(b):
- global folder,file,first
+ global folder
with output:
change_state(all_widgets)
@@ -524,12 +511,11 @@ def on_new_folder_button_clicked(b):
change_state(all_widgets)
def on_retention_button_clicked(b):
- global first,folder,file,temp_file
+ global folder,temp_file
with output:
change_state(all_widgets)
- device = setup_memristor()
device.inst.lock_excl()
@@ -542,7 +528,8 @@ def on_retention_button_clicked(b):
t,R=retention(Vretention.value,period.value,duration.value,device)
plot_retention(t,R)
df=create_retention_data_frame(t,R)
- title =f"Retention Memristor:"+"\n\n"+f"Voltage={Vretention.value}V"+"\n"+f"period={period.value}s"+"\n"+f"duration={duration.value}s"+"\n"
+ date = str(datetime.today().replace(microsecond=0))
+ title =[f"Retention Memristor at {date}",f"Voltage={Vretention.value}V",f"period={period.value}s",f"duration={duration.value}s"]
write_to_file(temp_file,title,df)
#upload results
@@ -551,8 +538,6 @@ def on_retention_button_clicked(b):
information_box("Measurement finished!")
device.inst.unlock()
-
- del device
change_state(all_widgets)
diff --git a/hp4155/memristor (Version 4.0)/memristor_buttons.ipynb b/hp4155/memristor (Version 4.0)/memristor_buttons.ipynb
index 401a656da1e768e91d368de3f70899a4c0dacfd4..35144fd932d90c50c0415d4c3491613b50724fcd 100644
--- a/hp4155/memristor (Version 4.0)/memristor_buttons.ipynb
+++ b/hp4155/memristor (Version 4.0)/memristor_buttons.ipynb
@@ -3,13 +3,13 @@
{
"cell_type": "code",
"execution_count": 1,
- "id": "df99f5a2-80af-4892-8633-33177239e444",
+ "id": "7611a98c-c1cf-46cb-bdd9-fd3dc6a1f53c",
"metadata": {},
"outputs": [
{
"data": {
"application/vnd.jupyter.widget-view+json": {
- "model_id": "45a61bab685e4422bbe94514a2439059",
+ "model_id": "e907a7767009491da92ac730cb310874",
"version_major": 2,
"version_minor": 0
},
@@ -23,7 +23,7 @@
{
"data": {
"application/vnd.jupyter.widget-view+json": {
- "model_id": "11da2c8be6de4612a31f3a065e50bc66",
+ "model_id": "3ebd085796c54e8daaac92ddf5309393",
"version_major": 2,
"version_minor": 0
},
@@ -37,7 +37,7 @@
{
"data": {
"application/vnd.jupyter.widget-view+json": {
- "model_id": "0d1ba2ede27742c3aa2cd2b8ec3f50c8",
+ "model_id": "90dc92bfe8374348bc680caf722f494e",
"version_major": 2,
"version_minor": 0
},