Add software trigger, return values for setters

Author: zacsimile

src/aslm/model/devices/APIs/hamamatsu/HamamatsuAPI.py

@@ -1106,6 +1106,16 @@ def get_frames(self):
     def get_camera_handler(self):
         return self.__hdcam
 
+    def fire_software_trigger(self):
+        trigger_source = self.get_property_value('trigger_source')
+        if trigger_source == 3.0:
+            # fire trigger to camera
+            err = dcamcap_firetrigger(self.__hdcam, 0)
+            if err < 0:
+                print('an error happened when sending trigger to the camera', err)
+        else:
+            print(f"Camera is in mode {trigger_source}, not software mode (3).")
+
 
 if __name__ == '__main__':
     print('start testing Hamamatsu API!')

src/aslm/model/devices/camera/camera_hamamatsu.py

@@ -258,7 +258,7 @@ def set_exposure_time(self, exposure_time):
 
         """
         exposure_time = exposure_time / 1000
-        self.camera_controller.set_property_value("exposure_time", exposure_time)
+        return self.camera_controller.set_property_value("exposure_time", exposure_time)
 
     def set_line_interval(self, line_interval_time):
         r"""Set HamamatsuOrca line interval.
@@ -268,7 +268,7 @@ def set_line_interval(self, line_interval_time):
         line_interval_time : float
             Line interval duration.
         """
-        self.camera_controller.set_property_value("internal_line_interval", line_interval_time)
+        return self.camera_controller.set_property_value("internal_line_interval", line_interval_time)
 
     def set_binning(self, binning_string):
         r"""Set HamamatsuOrca binning mode.