path_save=None default changed

20240709SerdarModScript.py

@@ -355,9 +355,9 @@ def write_no_echo(instr:pyvisa.resources.Resource, command:str, sleeptime=0.01)-
 
 # receive values in units of T, rescale in kg to talk with the power supplyy. 1T = 10kG
 # NOTE: removed singlepowersupply_bool, reading serial-nr. of the device instead.
-# TODO: add a param to allow the 
+# old save folder: "C:/Users/localadmin/Desktop/Users/Lukas/2024_02_08_Map_test"
 def sweep_b_val(instr:pyvisa.resources.Resource, min_bval:float, max_bval:float, 
-                res:float, magnet_coil:str, Settings:str, base_file_name='', path_save="C:/Users/localadmin/Desktop/Users/Lukas/2024_02_08_Map_test",
+                res:float, magnet_coil:str, Settings:str, base_file_name='', path_save=None,
                 reversescan_bool=False, zerowhenfin_bool=False, loopscan_bool=False)->None:
     # TODO: update docs in the end
     """ this function performs a sweep of the B field of the chosen magnet coil. It creates a list o B values from the given min and max values,
@@ -382,6 +382,7 @@ def sweep_b_val(instr:pyvisa.resources.Resource, min_bval:float, max_bval:float,
         ValueError: when Bx limit is exceeded.
         ConnectionError: when no device is connected.
     """    ''''''
+
     def pyramid_list(lst) -> Union[list, np.ndarray]:
         """reverses the list and removes the first element of reversed list. Then, this is appended to
         the end of the original list and returned as the 'pyramid' list.
@@ -400,6 +401,9 @@ def sweep_b_val(instr:pyvisa.resources.Resource, min_bval:float, max_bval:float,
         else:
             raise TypeError('Please input a list!')
     
+    if path_save is None:
+        path_save = datetime.datetime.now().strftime("%Y_%m_%d_%H%M_hrs_")
+    
     if base_file_name =='':
         base_file_name = datetime.datetime.now().strftime('%Y_%m_%d_%H.%M')
 
@@ -460,6 +464,7 @@ def sweep_b_val(instr:pyvisa.resources.Resource, min_bval:float, max_bval:float,
         init_lim, subsequent_lim = subsequent_lim, init_lim
         init_sweep, subsequent_sweep = subsequent_sweep, init_sweep
 
+    # creates the pyramid list of B vals if one were to perform a hysteresis measurement 
     if loopscan_bool:
         bval_lst = pyramid_list(bval_lst)