diff --git a/CCDserial.py b/CCDserial.py
index 6f469c4..e7736fa 100644
--- a/CCDserial.py
+++ b/CCDserial.py
@@ -45,6 +45,9 @@ import time
 # byte[11]: Continuous flag: 0 equals one acquisition, 1 equals continuous mode
 # byte[12]: The number of integrations to average
 def rxtx(panel, SerQueue, progress_var):
+    
+    config.still_working = True
+    print('start rxtx',config.still_working)
     if (config.AVGn[0] == 0):
         threadser = threading.Thread(target=rxtxoncethread, args=(panel, SerQueue, progress_var), daemon=True)
     elif (config.AVGn[0] == 1):
@@ -108,6 +111,8 @@ def rxtxoncethread(panel, SerQueue, progress_var):
                 config.rxData16[rxi] = (config.rxData8[2*rxi+1] << 8) + config.rxData8[2*rxi]
 
             #plot the new data
+            config.still_working=False
+            print('before bupdate.invoke',config.still_working)
             panel.bupdate.invoke()
             #hold values for saving data to file as the SHperiod and ICGperiod may be updated after acquisition
             config.SHsent = config.SHperiod
diff --git a/JFSphoto.py b/JFSphoto.py
index 401a467..c782185 100644
--- a/JFSphoto.py
+++ b/JFSphoto.py
@@ -609,6 +609,8 @@ class Jfsphoto (object):
 
     def do_methods(self,panel):
 
+        self.nofin = True
+
         def get_duration():
             if panel.tint.get().split()[4]=='ms':
                 f = float(panel.tint.get().split()[3])
@@ -629,17 +631,21 @@ class Jfsphoto (object):
         'size': 8,
         }
 
-        def waitfor(x,name,val,p):
+        
+
+        def waitfor():
+            print('wait',config.still_working)
+            self.nofin = config.still_working
             #panel.bcollect.invoke()
-            print('Working')
-            self.df['m1'] = config.rxData16
-            d = self.df.iloc[p]['darkline']
-            b = self.df.iloc[p]['baseline']
-            w = self.df.iloc[p]["m1"]
-            val[3]= np.log10(b/(d-w))
-            val[4]= panel.SHvalue.get()
-            val[5]= panel.ICGvalue.get()
-            tree.item(x, text=name,values=val)
+            # print('Working')
+            # self.df['m1'] = config.rxData16
+            # d = self.df.iloc[p]['darkline']
+            # b = self.df.iloc[p]['baseline']
+            # w = self.df.iloc[p]["m1"]
+            # val[3]= np.log10(b/(d-w))
+            # val[4]= panel.SHvalue.get()
+            # val[5]= panel.ICGvalue.get()
+            # tree.item(x, text=name,values=val)
 
         
         def cb1(event):
@@ -648,6 +654,7 @@ class Jfsphoto (object):
             print(f' time {panel.tint.get()} {get_duration()} ms ')
 
         def cb(event):
+
             #if self.check_requirement() == True:
                 # get selected and save values
                 name = tree.selection()[0]
@@ -663,18 +670,23 @@ class Jfsphoto (object):
                 if  tk.messagebox.askokcancel(title='Messurement', message=s):
                     panel.bcollect.invoke()
                     ## 3000 shoud be calculated
-                    panel.after(3000,waitfor(x,name,val,p))
+                    #panel.after(3000,waitfor(x,name,val,p))
                     #print(get_duration())
                     #time.sleep(3)
-                    # self.df['m1'] = config.rxData16
-                    # d = self.df.iloc[p]['darkline']
-                    # b = self.df.iloc[p]['baseline']
-                    # w = self.df.iloc[p]["m1"]
-                    # #print(d,b,w,d-w, np.log10(b/(d-w)))
-                    # val[3]= np.log10(b/(d-w))
-                    # val[4]= panel.SHvalue.get()
-                    # val[5]= panel.ICGvalue.get()
-                    # tree.item(x, text=name,values=val)
+                    #while config.still_working==True :
+                    while self.nofin == True:
+                        tree.after(1000,waitfor)
+
+                    print('get rxData16')
+                    self.df['m1'] = config.rxData16
+                    d = self.df.iloc[p]['darkline']
+                    b = self.df.iloc[p]['baseline']
+                    w = self.df.iloc[p]["m1"]
+                     #print(d,b,w,d-w, np.log10(b/(d-w)))
+                    val[3]= np.log10(b/(d-w))
+                    val[4]= panel.SHvalue.get()
+                    val[5]= panel.ICGvalue.get()
+                    tree.item(x, text=name,values=val)
 
 
         def cb2(event):
diff --git a/config.py b/config.py
index 865ae5b..9937875 100644
--- a/config.py
+++ b/config.py
@@ -33,3 +33,5 @@ balanced = 0
 
 #Photometer status Photometer off
 photometer = 0
+# wait for data
+still_working = True