End receiving loop after exit experiment

backend/free_grasp.psyexp

@@ -278,8 +278,8 @@
         <Param val="Py" valType="str" updates="None" name="Code Type"/>
         <Param val="" valType="extendedCode" updates="constant" name="Each Frame"/>
         <Param val="" valType="extendedCode" updates="constant" name="Each JS Frame"/>
-        <Param val="" valType="extendedCode" updates="constant" name="End Experiment"/>
-        <Param val="" valType="extendedCode" updates="constant" name="End JS Experiment"/>
+        <Param val="receiver.close()" valType="extendedCode" updates="constant" name="End Experiment"/>
+        <Param val="receiver" valType="extendedCode" updates="constant" name="End JS Experiment"/>
         <Param val="" valType="extendedCode" updates="constant" name="End JS Routine"/>
         <Param val="" valType="extendedCode" updates="constant" name="End Routine"/>
         <Param val="False" valType="bool" updates="None" name="disabled"/>

backend/free_grasp.py

@@ -2,7 +2,7 @@
 # -*- coding: utf-8 -*-
 """
 This experiment was created using PsychoPy3 Experiment Builder (v2023.2.3),
-    on 十一月 24, 2023, at 12:38
+    on Tue Nov 28 19:17:09 2023
 If you publish work using this script the most relevant publication is:
 
     Peirce J, Gray JR, Simpson S, MacAskill M, Höchenberger R, Sogo H, Kastman E, Lindeløv JK. (2019) 
@@ -176,7 +176,7 @@ def setupData(expInfo, dataDir=None):
     thisExp = data.ExperimentHandler(
         name=expName, version='',
         extraInfo=expInfo, runtimeInfo=None,
-        originPath='C:\\Users\\asena\\Desktop\\kraken\\backend\\free_grasp.py',
+        originPath='/Users/dingkunliu/Projects/MI-BCI-Proj/kraken/backend/free_grasp.py',
         savePickle=True, saveWideText=True,
         dataFileName=dataDir + os.sep + filename, sortColumns='time'
     )
@@ -783,6 +783,8 @@ def run(expInfo, thisExp, win, inputs, globalClock=None, thisSession=None):
             thisSession.sendExperimentData()
     # completed 10000.0 repeats of 'trials'
     
+    # Run 'End Experiment' code from device
+    receiver.close()
     
     # mark experiment as finished
     endExperiment(thisExp, win=win, inputs=inputs)