feat: introduce stop button

Not working yet because thread in GUI is missing

Python_script/climate-lab-gui.py

@@ -8,6 +8,8 @@ import prototype
 import json
 import time
 import analysis
+import process_sync
+import multiprocessing as mp
 
 
 class TestStandMainWindow(QMainWindow):
@@ -17,6 +19,7 @@ class TestStandMainWindow(QMainWindow):
         self.qt_app = qt_app
 
         self.startButton.clicked.connect(lambda: self.do_measurement())
+        self.stopButton.clicked.connect(lambda: self.stop_measurement())
         self.tempSweepButton.clicked.connect(lambda: self.set_temp_sweep_labels())
         self.humSweepButton.clicked.connect(lambda: self.set_hum_sweep_labels())
 
@@ -70,8 +73,13 @@ class TestStandMainWindow(QMainWindow):
 
         return analysis_config
 
+    def stop_measurement(self):
+        process_sync.stop_measurement.set()
+
     def do_measurement(self):
-        self.setEnabled(False)
+        self.runSettingsLayout.setEnabled(False)
+        self.startButton.setEnabled(False)
+        self.stopButton.setEnabled(True)
         self.qt_app.processEvents();
 
         os.chdir(self.start_dir)
@@ -94,6 +102,7 @@ class TestStandMainWindow(QMainWindow):
         meas = None
         try:
             meas = prototype.Measurements(config_data, output_basename,False, ext_sensor_channels)
+            q = mp.Queue()
             if self.tempSweepButton.isChecked():
                 temperatures = meas.perform_sweep(self.startParameter.value(), self.stopParameter.value(),
                                                   self.stepParameter.value(), self.fixedParameter.value(),
@@ -148,7 +157,9 @@ class TestStandMainWindow(QMainWindow):
                 meas.chamber.close()
                 meas.ext_sensors.close()
             
-            self.setEnabled(True)
+            self.runSettingsLayout.setEnabled(True)
+            self.startButton.setEnabled(True)
+            self.stopButton.setEnabled(False)
 
 
 if __name__ == '__main__':