added resistance after sampling check and delay for operation completed

hp4155/memristor/help.py

@@ -52,6 +52,12 @@ def sweep(start,stop,step,comp,integration,device):
     #time.sleep(5)
     device.stop_value_sweep(stop)
     #time.sleep(5)
+
+    if start < stop and step < 0 :
+        step = -step
+    elif start > stop and step > 0 :
+        step = -step
+    
     device.step_sweep(step)
     #time.sleep(5)
     device.comp('VAR1',comp)
@@ -63,7 +69,7 @@ def sweep(start,stop,step,comp,integration,device):
     #execute measurement
     device.single_measurement()
     while device.operation_completed()==False:
-        pass
+        time.sleep(2)
         
     device.autoscaling()
 
@@ -103,7 +109,7 @@ def sampling_check(voltage,device):
     device.display_variable('Y1','R')
     device.single_measurement()
     while device.operation_completed() == False:
-        pass
+        time.sleep(2)
        
     device.autoscaling()
     try: 
@@ -143,7 +149,7 @@ def retention(voltage,period,duration,device):
     device.display_variable('Y1','R')
     device.single_measurement()
     while device.operation_completed() == False:
-        pass
+        time.sleep(2)
 
     device.autoscaling()
     try: 

hp4155/memristor/memristor.py

@@ -222,8 +222,8 @@ def on_set_button_clicked(b):
 
         if valid == True:
             if sampling.value == True: #do sampling set before set process(100mV)
-                R_mean = sampling_check(0.1,device)
-                print(f"Average Resistance(Sampling Check):{R_mean} Ohm")
+                R_mean_before = sampling_check(0.1,device)
+                print(f"Average Resistance(Sampling Check):{R_mean_before:e} Ohm")
                 first_sampling = False
                
             #execute measurement,plot results and save them
@@ -231,14 +231,18 @@ def on_set_button_clicked(b):
             plot_sweep(V12,I12,'SET')
             df = create_data_frame(V12,I12)
             print(df)
-            title = f"SET Memristor:"+"\n\n"+f"Set Voltage={Vset.value}V"+"\n"+f"current compliance={CC_vset.value}A"+"\n"
-            write_to_file(temp_file,title,df)
+            
 
             if sampling.value == True: #do sampling set after set process(10mV)
-                R_mean = sampling_check(0.01,device)
-                print(f"Average Resistance(Sampling Check):{R_mean} Ohm")
+                R_mean_after = sampling_check(0.01,device)
+                print(f"Average Resistance(Sampling Check):{R_mean_after:e} 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"
+            if sampling.value == True:
+                title = title + f"R(Ohm)  Before/After"+"\n"+f"{R_mean_before}  {R_mean_after}"+"\n"
+            write_to_file(temp_file,title,df)
+
         #upload results
         temp_file,file,folder=upload_results(temp_file,file,folder)
         #show messagebox
@@ -271,8 +275,8 @@ def on_reset_button_clicked(b):
         if valid == True:
             
             if sampling.value == True: #do sampling set before reset process(10mV)
-                R_mean = sampling_check(0.01,device)
-                print(f"Average Resistance(Sampling Check):{R_mean} Ohm")
+                R_mean_before = sampling_check(0.01,device)
+                print(f"Average Resistance(Sampling Check):{R_mean_before:e} Ohm")
                 first_sampling = False
             
             #execute measurement,plot results and save them
@@ -280,14 +284,18 @@ def on_reset_button_clicked(b):
             plot_sweep(V34,I34,'RESET')
             df = create_data_frame(V34,I34)
             print(df)
-            title =f"RESET Memristor:"+"\n\n"+f"Reset Voltage={Vreset.value}V"+"\n"+f"current compliance={CC_vreset.value}A"+"\n"
-            write_to_file(temp_file,title,df)
+            
 
             if sampling.value == True: #do sampling set after reset process(100mV)
-                R_mean = sampling_check(0.1,device)
-                print(f"Average Resistance(Sampling Check):{R_mean} Ohm")
+                R_mean_after = sampling_check(0.1,device)
+                print(f"Average Resistance(Sampling Check):{R_mean_after:e} 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"
+            if sampling.value == True:
+                title = title + f"R(Ohm)  Before/After"+"\n"+f"{R_mean_before}  {R_mean_after}"+"\n"
+            write_to_file(temp_file,title,df)
+            
         #upload results
         temp_file,file,folder=upload_results(temp_file,file,folder)
         #show messagebox
@@ -351,15 +359,15 @@ def on_full_button_clicked(b):
                 #execute number of measurements
                 for i in range(number.value):#here it is easier to implement the sampling checks
                     if sampling.value == True: #before set(100mv)
-                        R_mean = sampling_check(0.1,device)
-                        resistances.append(R_mean)
+                        R_mean_before = sampling_check(0.1,device)
+                        resistances.append(R_mean_before)
                         
                     V12,I12 = sweep(0,Vset.value,step.value,CC_vset.value,integration_time.value,device) #set
                     
                     #after set/before set
                     if sampling.value == True: #before set(10mv)
-                        R_mean = sampling_check(0.01,device)
-                        resistances.append(R_mean)
+                        R_mean_after = sampling_check(0.01,device)
+                        resistances.append(R_mean_after)
                     
                     V34,I34 = sweep(0,Vreset.value,step.value,CC_vreset.value,integration_time.value,device) #reset
 
@@ -373,6 +381,8 @@ def on_full_button_clicked(b):
                     df = create_data_frame(V,I)
                     f.write(f"{i+1} Iteration")
                     f.write("\n")
+                    if sampling.value == True:
+                        f.write(f"R(Ohm)  Before(set)/After(set)"+"\n"+f"{R_mean_before}  {R_mean_after}"+"\n")
                     f.write(df.to_string())
                     f.write("\n\n")
 

hp4155/memristor/memristor_buttons.ipynb

@@ -9,7 +9,7 @@
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "a20406ad111145a8804514f54e9079eb",
+       "model_id": "3db799d41b744e6393e9be0717b52d24",
        "version_major": 2,
        "version_minor": 0
       },
@@ -30,7 +30,7 @@
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "f8ebfdb43fdd4d3eabc6e482baa6dcf1",
+       "model_id": "b1d5791d7a1f46c6823fec8ca948a6a5",
        "version_major": 2,
        "version_minor": 0
       },
@@ -51,7 +51,7 @@
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "b22d980d9eb444cf966c7c30bd02c59a",
+       "model_id": "b9f1a1409ca844ca9f1948fb0730203c",
        "version_major": 2,
        "version_minor": 0
       },
@@ -65,7 +65,7 @@
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "4b511a4dec9a47fc8f0572a7b8c7a112",
+       "model_id": "6d9709c5b99e4c72ab752b51d05e606f",
        "version_major": 2,
        "version_minor": 0
       },
@@ -84,7 +84,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "9613a247-7ebb-46b8-ae8f-5d4ba21e5d43",
+   "id": "a8266885-3aa9-4abf-9b02-575a783f3fab",
    "metadata": {},
    "outputs": [],
    "source": []