Index: DialysateGenerator.py
===================================================================
diff -u -r5f23b5ca87b6211702df8aa805fa767026862b77 -r085c19600947145ec02a4baccba379bdbf6844af
--- DialysateGenerator.py	(.../DialysateGenerator.py)	(revision 5f23b5ca87b6211702df8aa805fa767026862b77)
+++ DialysateGenerator.py	(.../DialysateGenerator.py)	(revision 085c19600947145ec02a4baccba379bdbf6844af)
@@ -81,16 +81,25 @@
             return False
 
     def registerAsyncReceiver(self, message_id, method):
-        t1 = method
-        t2 = message_id
+        self.__serialPort.registerAsyncFunction(message_id, method)
 
     def registerSyncReceiver(self, message_id, method):
-        t1 = method
-        t2 = message_id
+        self.__serialPort.registerSyncFunction(message_id, method)
 
+
+def async_function(message):
+    print("x", end="", flush=True)
+
+
+def sync_function(message):
+    print("s", end="", flush=True)
+
+
 if __name__ == "__main__":
 
     thedg = DG()  # \var thedg
+    thedg.registerAsyncReceiver(2, async_function)
+    thedg.registerSyncReceiver(5, sync_function)
 
     sleep(2)
     thedg.fill()
@@ -99,5 +108,8 @@
     sleep(1)
     thedg.fill()
 
+
+
+
     sleep(2)
     thedg.fill()