serialui: get many samples form logger

dataloggerui/serialui.py

@@ -160,7 +160,7 @@ def logger_present():
 
 
 def connect_logger(port=None):
-    """ Connect the default logger the given serial port name.
+    """ Connect the default logger to the given serial port name.
     
         The default logger is :obj:`.wbsLogger`.
 
@@ -181,6 +181,13 @@ def connect_logger(port=None):
         print(f'Connected to {p.description}')
         break
 
+def disconnect_logger(port=None):
+    """ Disconnect the default logger.
+    
+        The default logger is :obj:`.wbsLogger`.
+    """
+    wbsLogger.close()
+
 
 # -------------
 # Getters
@@ -732,3 +739,42 @@ def data_clear():
 delete_samples = data_clear
 """ Alias for :func:`~.data_clear`. """
 
+
+def get_data_to_pandas(*, from_sample=0, resample=True):
+    """ Get series of smaples and return a :class:`pandas.DataFrame`
+    
+      Each sample is retieved using :func:`~.get_sample` on the default logger. 
+      Retrieving many samples can take a long time.
+
+    Arguments
+    ---------
+    from_sample: int
+        Index of the starting sample. It should be lower than :func:`~.get_sample_count`[1]
+    
+    resample: bool
+        Whether the data frame should eb resample to the sampling interval of the
+        logger, as returned by :func:`~.get_sampling_interval`.
+
+    Returns
+    -------
+    :class:`pandas.DataFrame`
+
+    See also
+    --------
+    :func:`~.get_sample`
+    :func:`~.get_sampling_interval`
+    """
+
+    n_total = s.get_sample_count()[1]
+
+    df = []
+    for n in range(from_sample, n_total):
+        df.append(s.get_sample(sample=n)._asdict())
+    df = pd.DataFrame.from_records(df).set_index('datetime')
+
+    if resample:
+        sampling = s.get_sampling_interval()
+        s_str = f'{sampling[0]:d}{sampling[1]}'
+        df = df.rolling(s_str).mean().resample(s_str).mean()
+
+    return df