Did a huge refactoring and outsouring for modularity and a small performance improvement

programs/demos.py

@@ -0,0 +1,41 @@
+from gc import collect
+
+# All the arguments this method takes are there for one reason: reduce the amount of libraries loaded into the picos memory and thus improving performance
+# config: utils.Config object
+# btn_mapping: a dict containing the btn mapping for the menu operation (given to the lcdMenu object)
+# log: the utils.log function
+# lcdMenu: the lcdMenu class (not an object of that class!)
+def run(config, btn_mapping, log, lcdMenu):
+    def lcd_driver_demo():
+        import demos.lcd_driver_demo as ldd
+        ldd.run(config.LCD)
+        del ldd
+        collect()
+        return True
+    def lcd_big_hello():
+        import demos.lcd_big_hello as lbh
+        lbh.run(config.LCD)
+        del lbh
+        collect()
+        return True
+    def input_tests():
+        import demos.input_tests as it
+        it.run(serial_output=False)
+        del it
+        collect()
+        return True
+    demo_menu = lcdMenu(config.LCD, btn_mapping, scroll_direction=True, cycle=True, hide_menu_name=False, name="DEMOS")
+    demo_programs = [("LCD Demo", lcd_driver_demo),
+                     ("Hello world", lcd_big_hello),
+                     ("Input tests", input_tests),
+                     ("Exit", demo_menu.stop)]
+    demo_menu.setup(demo_programs)  # give it the callback list
+    demo_menu.run()
+    return True
+
+if __name__ == "__main__":
+    from utils import Config, log
+    from lcdMenu import lcdMenu
+    config = Config()
+    btn_mapping = {"ok_btn": config.PIN_IN_BTN_1, "next_btn": config.PIN_IN_BTN_2}  # the btn mapping for all lcdMenus
+    run(Config(), btn_mapping, log, lcdMenu)