use threads

cpdctrl/cpdctrl-interactive.py

@@ -19,8 +19,9 @@ from os import path, makedirs
 import pickle as pkl
 import json
 import atexit
+import threading as mt
 import multiprocessing as mp
-from multiprocessing.managers import BaseManager
+# from multiprocessing.managers import BaseManager
 
 import argparse
 
@@ -52,8 +53,6 @@ from .led_script import LedScript
 from .measurement import measure as _measure
 from .utility.data import DataCollector
 
-
-
 from .utility import data as _data
 from .utility.data import load_dataframe, plot_cpd_data
 from .utility import file_io
@@ -74,14 +73,13 @@ settings = {
 
 test = False
 
-BaseManager.register('LedControlDevice', LedControlDevice)
 # global variable for the instrument/client returned by pyvisa/bleak
 dev: VoltageMeasurementDevice|None = None
 led: LedControlDevice|None = None
 data = DataCollector(data_path=settings["datadir"], data_name="interactive", dirname="interactive_test", dir_exists_is_ok=True)
 t0 = 0
 
-def monitor(script: str|int=0, interval=None, flush_after=None, max_measurements=None, max_points_shown=400):
+def monitor(script: str|int=0, interval=None, flush_after=None, max_measurements=None, max_points_shown=None):
     """
     Monitor the voltage with matplotlib.
 
@@ -99,77 +97,24 @@ def monitor(script: str|int=0, interval=None, flush_after=None, max_measurements
     if not interval: interval = settings["interval"]
     print(f"Starting measurement with:\n\tinterval = {interval}s\nUse <C-c> to stop. Save the data using 'data.save_csv()' afterwards.")
     plt_monitor = _Monitor(use_print=True, max_points_shown=max_points_shown)
-    led_script = LedScript(script=script)
+    led_script = LedScript(script=script, auto_update=True, verbose=True)
     data.clear()
     queue = mp.Queue()
     pipe_send, pipe_recv = mp.Pipe()
     # TODO: pass instruments
-    proc_measure = mp.Process(target=_measure, args=(None, None, led_script, data, interval, flush_after, max_measurements, False, pipe_recv, queue))
+    proc_measure = mt.Thread(target=_measure, args=(dev, led, led_script, data, interval, flush_after, max_measurements, False, pipe_recv, queue))
     proc_measure.start()
     try:
         while True:
-            data = queue.get(block=True, timeout=30)
+            current_data = queue.get(block=True, timeout=30)
-            i, tval, vval, led_val = data
+            i, tval, vval, led_val = current_data
             plt_monitor.update(i, tval, vval, led_val)
     except KeyboardInterrupt:
         pass
     pipe_send.send("stop")
     proc_measure.join()
-
+    print(data.metadata)
-def measure(interval=None, max_measurements=None):
+    data.save_csv(verbose=True)
-    """
-    Measure voltages
-
-    @details:
-        - Resets the buffers
-        - Measure voltages
-        - Waits for the user to press a key
-        Uses python's time.sleep() for waiting the interval, which is not very precise. Use measure_count for better precision.
-        You can take the data from the buffer afterwards, using save_csv.
-    @param max_measurements : maximum number of measurements. None means infinite
-    """
-    global _runtime_vars
-    if not interval: interval = settings["interval"]
-    _runtime_vars["last_measurement"] = dtime.now().isoformat()
-    print(f"Starting measurement with:\n\tinterval = {interval}s\nUse <C-c> to stop. Save the data using 'save_csv()' afterwards.")
-    update_func = _update_print
-    dev.measure(interval=interval, max_measurements=max_measurements, update_func=update_func)
-    
-
-def save_csv():
-    """
-    Saves the contents of nvbuffer1 as .csv
-    The settings 'datadir' and 'name' are used for determining the filepath:
-    'datadir/nameXXX.csv', where XXX is the number of files that exist in datadir with the same name.
-    """
-    df = get_dataframe()
-    filename = settings["datadir"] + "/" + df.basename + ".csv"
-    df.to_csv(filename, index=False, header=True)
-    print(f"Saved as '{filename}'")
-
-
-def save_pickle():
-    """
-    Saves the contents of nvbuffer1 as .pkl
-    The settings 'datadir' and 'name' are used for determining the filepath:
-    'datadir/nameXXX.pkl', where XXX is the number of files that exist in datadir with the same name.
-    """
-    df = get_dataframe()
-    filename = settings["datadir"] + "/" + df.basename + ".pkl"
-    df.to_pickle(filename)
-    print(f"Saved as '{filename}'")
-
-
-def run_script(script_path):
-    """
-    Run a lua script on the Keithley device
-    @param script_path : relative or absolute path to the .lua script
-    """
-    global k, settings
-    if test:
-        print("run_script: Test mode enabled, ignoring call to run_script")
-    else:
-        _backend.run_lua(dev, script_path=script_path)
 
 
 def set(setting, value):