Use platform_settings to determine default stepper speed

mpf/config_spec.yaml

@@ -748,9 +748,9 @@ fast_servos:
     min_us: single|int|1000
     home_us: single|int|1500
     max_runtime: single|ms|2000  # 65535 max
-fast_steppers:
+fast_stepper_settings:
     __valid_in__: machine                 # todo add to validator
-    __allow_others__:
+    default_speed: single|int|600
 file_shows:
     __valid_in__: machine, mode                      # todo add to validator
     __type__: config_dict

mpf/platforms/fast/fast.py

@@ -458,12 +458,13 @@ async def configure_stepper(self, number: str, config: dict) -> FastStepper:
         # verify this board support servos
         assert int(port) <= int(brk_board.features['stepper_ports'])  # TODO should this be stored as an int?
 
-        if 'platform_settings' in config:
-            config.update(self.machine.config_validator.validate_config('fast_steppers', config['platform_settings']))
-            del config['platform_settings']
-
         return FastStepper(brk_board, port, config)
 
+    @classmethod
+    def get_stepper_config_section(cls):
+        """Return config section."""
+        return "fast_stepper_settings"
+
     def _parse_switch_number(self, number):
         try:
             board_str, switch_str = number.split("-")

mpf/platforms/fast/fast_stepper.py

@@ -7,14 +7,13 @@
 from mpf.platforms.interfaces.stepper_platform_interface import StepperPlatformInterface
 
 POLL_MS = 100
-DEFAULT_SPEED = Util.int_to_hex_string(600, True)
 
 class FastStepper(StepperPlatformInterface):
 
     """A stepper in the FAST platform connected to a FAST Expansion Board."""
 
     __slots__ = ["base_address", "config", "exp_connection", "log", "stepper_index",
-                 "_is_moving"]
+                 "_is_moving", "_default_speed"]
 
     def __init__(self, breakout_board, port, config):
         """Initialize servo."""
@@ -27,7 +26,7 @@ def __init__(self, breakout_board, port, config):
 
         self.exp_connection.register_processor('MS:', self.base_address, self.stepper_index, self._process_ms)
         self._is_moving = False
-
+        self._default_speed = Util.int_to_hex_string(self.config['default_speed'], True)
 
     def home(self, direction):
         if direction != 'counterclockwise':
@@ -61,7 +60,7 @@ def move_rel_pos(self, position, speed=None):
                                       2, self.__class__.__name__)
             speed = Util.int_to_hex_string(speed, True)
         else:
-            speed = DEFAULT_SPEED
+            speed = self._default_speed
 
         self._is_moving = True
         self._send_command(base_command, [hex_position, speed])