Fix freeze when changing compat mode

oversteer/device.py

@@ -137,11 +137,11 @@ def set_mode(self, emulation_mode):
         with open(path, "w") as file:
             file.write(emulation_mode)
         # Wait for device ready
-        while not self.is_ready():
+        for i in range(10):
+            if self.is_ready():
+                return True
             time.sleep(1)
-        # Wait a bit more
-        time.sleep(5)
-        return True
+        return False
 
     def get_range(self):
         path = self.checked_device_file("range")

oversteer/device_manager.py

@@ -61,13 +61,13 @@ def register_event(self, action, udevice):
         id = udevice.device_path
         if id is None:
             return
-        logging.debug("%s: %s", action, id)
+        logging.debug("Udev event %s: %s", action, id)
         if action == 'add':
             self.update_device_list(udevice)
             device = self.get_device(id)
             if device:
-                device.enable()
                 time.sleep(5)
+                device.enable()
                 self.changed = True
         if action == 'remove':
             device = self.get_device(id)
@@ -126,7 +126,6 @@ def first_device(self):
         return None
 
     def get_devices(self):
-        self.changed = False
         return list(self.devices.values())
 
     def get_device(self, did):
@@ -137,4 +136,6 @@ def get_device(self, did):
         return next((item for item in self.devices.values() if item.dev_name == did), None)
 
     def is_changed(self):
-        return self.changed
+        changed = self.changed
+        self.changed = False
+        return changed

oversteer/gui.py

@@ -148,6 +148,7 @@ def install_udev_files(self):
                 break
 
     def populate_devices(self):
+        logging.debug("populate_devices")
         if self.device_manager.is_changed():
             device_list = []
             for device in self.device_manager.get_devices():