def _handler_disconnected_connect(self, *args, **kwargs):
"""
@throw InstrumentTimeoutException on timeout
"""
next_state = None
result = None
try:
InstrumentProtocol.connect(self, *args, **kwargs)
timeout = kwargs.get('timeout', 10)
prompt = self._wakeup(timeout)
if prompt == SBE37Prompt.COMMAND:
next_state = SBE37State.COMMAND
elif prompt == SBE37Prompt.AUTOSAMPLE:
next_state = SBE37State.AUTOSAMPLE
except InstrumentConnectionException:
# Connection failed, fail and stay here.
next_state = None
result = InstErrorCode.DRIVER_CONNECT_FAILED
except InstrumentTimeoutException:
# Timeout connecting or waking device. Stay disconnected.
InstrumentProtocol.disconnect(self, *args, **kwargs)
next_state = None
result = InstErrorCode.DRIVER_CONNECT_FAILED
return (next_state, result)
def _handler_command_disconnect(self, *args, **kwargs):
"""
"""
next_state = None
result = None
try:
mi_logger.info('DISCONNECTING')
InstrumentProtocol.disconnect(self, *args, **kwargs)
mi_logger.info('DONE DISCONNECTING')
next_state = SBE37State.DISCONNECTED
except InstrumentConnectionException:
# Disconnect failed. Fail and stay here.
next_state = None
result = InstErrorCode.DISCONNECT_FAILED
else:
next_state = SBE37State.DISCONNECTED
result = InstErrorCode.OK
return (next_state, result)
