fix(fr): Add a timeout for reading consecutive frames

It is not clear which timeout makes sense. This is a educated guess,
that needs to be refined in the future…

Co-authored-by: Stefan Tatschner <[email protected]>

src/gallia/transports/flexray_vector.py

@@ -448,7 +448,10 @@ async def _handle_fragmented(self, expected_len: int) -> bytes:
             if self._require_fc_frame(self.config.fc_block_size, read_bytes):
                 await self._send_flow_control_frame()
 
-            frame = await self.read_tp_frame()
+            # TODO: Make this configurable. Maybe align with separation_time.
+            async with asyncio.timeout(10):
+                frame = await self.read_tp_frame()
+
             if not isinstance(frame, FlexRayTPConsecutiveFrame):
                 raise RuntimeError(f"expected consecutive frame, got: {frame}")
             if frame.counter != (counter & 0x0F):