async def _probe(self) -> None:
"""Open port and try sending a command"""
await self.connect()
try:
# Ensure we have escaped commands
await self._at_command("AP", 2)
except asyncio.TimeoutError:
if not await self.init_api_mode():
raise APIException("Failed to configure XBee for API mode")
finally:
self.close()
def _command(self, name, *args, mask_frame_id=False):
LOGGER.debug("Command %s %s", name, args)
if self._uart is None:
raise APIException("API is not running")
frame_id = 0 if mask_frame_id else self._seq
data, needs_response = self._api_frame(name, frame_id, *args)
self._uart.send(data)
future = None
if needs_response and frame_id:
future = asyncio.Future()
self._awaiting[frame_id] = (future, )
self._seq = (self._seq % 255) + 1
return future