BT Code added but is not working

software/smartwatch.py

@@ -10,6 +10,8 @@ from types import SimpleNamespace
 from enum import Enum
 from threading import Thread
 
+from hardware_interface import Hardware_interface
+
 TIME_OUT = 0.5  #Time out used for refreshing the User Interface
 
 class Messages(Enum):
@@ -35,7 +37,7 @@ def refreshUI(guiRef, model, guiQueue):
             pass 
 
         #Other tasks...
-        print("Han pasado 500 milisegundos")
+        #print("Han pasado 500 milisegundos")
 
 
 #Class for the User Interface
@@ -162,6 +164,9 @@ if __name__ == '__main__':
     guiRef = app.gui_reference(root, guiQueue)
     model = SimpleNamespace(count=0)
 
+    #Bluetooth object for communication with MSP432
+    btInterface = Hardware_interface()
+
     #Thread used to separate the use interface with the front end. It is used to not slow down the GUI when processing information
     t = Thread(target=refreshUI, args=(guiRef, model, guiQueue,))
     t.daemon = True