makes some adjustment to the keypad driver

Author: kdschlosser

api_drivers/common_api_drivers/indev/sdl_keyboard.py

@@ -161,13 +161,13 @@ class SDLKeyboard(keypad_framework.KeypadDriver):
 
     def __init__(self, *args, **kwargs):  # NOQA
         super().__init__()
-        self.__last_key = -1
+        self.__last_key = ord(' ')
         self.__current_state = self.RELEASED
 
         self.group = lv.group_create()
         self.group.set_default()  # NOQA
         self.set_group(self.group)
-        self.set_mode(lv.INDEV_MODE.EVENT)  # NOQA
+        # self.set_mode(lv.INDEV_MODE.EVENT)  # NOQA
 
         self._py_disp_drv._data_bus.register_keypad_callback(self._keypad_cb)  # NOQA
 
@@ -245,7 +245,7 @@ def _keypad_cb(self, *args):
         else:
             self.__current_state = self.RELEASED
 
-        micropython.schedule(SDLKeyboard.read, self)
+        # micropython.schedule(SDLKeyboard.read, self)
 
     def _get_key(self):
         return self.__current_state, self.__last_key

api_drivers/py_api_drivers/frozen/indev/keypad_framework.py

@@ -7,7 +7,7 @@
 class KeypadDriver(_indev_base.IndevBase):
 
     def __init__(self):  # NOQA
-        self._last_key = -1
+        self._last_key = ord(' ')
 
         super().__init__()
         self._set_type(lv.INDEV_TYPE.KEYPAD)  # NOQA