TT ble handling

core/embed/rust/src/ui/model_tt/layout.rs

@@ -1682,6 +1682,9 @@ pub static mp_module_trezorui2: Module = obj_module! {
     ///     def usb_event(self, connected: bool) -> T | None:
     ///         """Receive a USB connect/disconnect event."""
     ///
+    ///     def ble_event(self, event: int, data: bytes) -> T | None:
+    ///         """Receive a BLE events."""
+    ///
     ///     def timer(self, token: int) -> T | None:
     ///         """Callback for the timer set by `attach_timer_fn`.
     ///

core/mocks/generated/trezorui2.pyi

@@ -1148,6 +1148,8 @@ class LayoutObj(Generic[T]):
         """Receive a progress event."""
     def usb_event(self, connected: bool) -> T | None:
         """Receive a USB connect/disconnect event."""
+    def ble_event(self, event: int, data: bytes) -> T | None:
+        """Receive a BLE events."""
     def timer(self, token: int) -> T | None:
         """Callback for the timer set by `attach_timer_fn`.
         This function should be called by the executor after the corresponding

core/src/trezor/ui/layouts/tt/__init__.py

@@ -77,6 +77,7 @@ class RustLayout(LayoutParentType[T]):
                     self.handle_click_signal(),
                     self.handle_result_signal(),
                     self.handle_usb(context.get_context()),
+                    self.handle_ble_events(),
                 )
             else:
                 return (
@@ -85,6 +86,7 @@ class RustLayout(LayoutParentType[T]):
                     self.handle_swipe(),
                     self.handle_click_signal(),
                     self.handle_result_signal(),
+                    self.handle_ble_events(),
                 )
 
         async def handle_result_signal(self) -> None:
@@ -189,11 +191,13 @@ class RustLayout(LayoutParentType[T]):
                     self.handle_input_and_rendering(),
                     self.handle_timers(),
                     self.handle_usb(context.get_context()),
+                    self.handle_ble_events(),
                 )
             else:
                 return (
                     self.handle_input_and_rendering(),
                     self.handle_timers(),
+                    self.handle_ble_events(),
                 )
 
     def _first_paint(self) -> None:
@@ -244,6 +248,16 @@ class RustLayout(LayoutParentType[T]):
                 raise ui.Result(msg)
             self._paint()
 
+    def handle_ble_events(self) -> loop.Task:
+        input = loop.wait(io.BLE_CHECK)
+        while True:
+            # Using `yield` instead of `await` to avoid allocations.
+            (event, data) = yield input
+            msg = self.layout.ble_event(event, data)
+            if msg is not None:
+                raise ui.Result(msg)
+            self._paint()
+
     def handle_timers(self) -> loop.Task:
         while True:
             # Using `yield` instead of `await` to avoid allocations.

core/src/trezor/ui/layouts/tt/homescreen.py

@@ -36,6 +36,7 @@ class HomescreenBase(RustLayout):
                 self.handle_input_and_rendering(),
                 self.handle_timers(),
                 self.handle_click_signal(),  # so we can receive debug events
+                self.handle_ble_events(),
             )