def data_received(self, data):
try:
command = Command(data[0])
schema, solicited = RX_COMMANDS[command]
except ValueError:
LOGGER.debug("Unknown command received: 0x%02x", data[0])
return
seq = data[1]
try:
status = Status(data[2])
except ValueError:
status = data[2]
try:
data, _ = t.deserialize(data[5:], schema)
except Exception as exc:
LOGGER.warning("Failed to deserialize frame: %s",
binascii.hexlify(data))
if solicited and seq in self._awaiting:
fut = self._awaiting.pop(seq)
fut.set_exception(exc)
return
if solicited and seq in self._awaiting:
fut = self._awaiting.pop(seq)
if status != Status.SUCCESS:
fut.set_exception(
CommandError(status, "%s, status: %s" % (command, status)))
return
fut.set_result(data)
getattr(self, "_handle_%s" % (command.name, ))(data)
async def _command(self, cmd, *args):
LOGGER.debug("Command %s %s", cmd, args)
if self._uart is None:
# connection was lost
raise CommandError(Status.ERROR, "API is not running")
data, seq = self._api_frame(cmd, *args)
self._uart.send(data)
fut = asyncio.Future()
self._awaiting[seq] = fut
try:
return await asyncio.wait_for(fut, timeout=COMMAND_TIMEOUT)
except asyncio.TimeoutError:
LOGGER.warning("No response to '%s' command", cmd)
self._awaiting.pop(seq)
raise
def data_received(self, data):
try:
command = Command(data[0])
schema, solicited = RX_COMMANDS[command]
except ValueError:
LOGGER.debug("Unknown command received: 0x%02x", data[0])
return
seq = data[1]
try:
status = Status(data[2])
except ValueError:
status = data[2]
fut = None
if solicited and seq in self._awaiting:
fut = self._awaiting.pop(seq)
if status != Status.SUCCESS:
try:
fut.set_exception(
CommandError(status,
"%s, status: %s" % (command, status)))
except asyncio.InvalidStateError:
LOGGER.warning(
"Duplicate or delayed response for 0x:%02x sequence",
seq)
return
try:
data, _ = t.deserialize(data[5:], schema)
except Exception:
LOGGER.warning("Failed to deserialize frame: %s",
binascii.hexlify(data))
if fut is not None and not fut.done():
fut.set_exception(
APIException(
f"Failed to deserialize frame: {binascii.hexlify(data)}"
))
return
if fut is not None:
try:
fut.set_result(data)
except asyncio.InvalidStateError:
LOGGER.warning(
"Duplicate or delayed response for 0x:%02x sequence", seq)
getattr(self, "_handle_%s" % (command.name, ))(data)