Status display work, Error handling for not connected devices

main.py

@@ -1,10 +1,22 @@
-import numpy as np
-import settings as g
-from tkinter import *
-from Arduino import Arduino
-
-import cage_func as func
 import User_Interface as ui
+import cage_func as func
+import settings as g
+
+
+print("Connecting to PSUs...")
+func.setup_axes()  # initiate communication, set handles
+
+print("Connecting to Arduino...")
+#print("Arduino found, configuring pins...")
+func.setup_arduino()
+
+print("Opening User Interface...")
+'''g.TestValuesX = ui.TestValues()
+g.TestValuesY = ui.TestValues()
+#g.TestValuesZ = ui.TestValues()
+g.TestValues = [g.TestValuesX, g.TestValuesY]#, g.TestValuesZ]'''
 
 application = ui.HelmholtzGUI()
 application.mainloop()
+
+# func.shut_down_all()