def __init__(self, prompts, newline, driver_event):
"""
Protocol constructor.
@param prompts A BaseEnum class containing instrument prompts.
@param newline The newline.
@param driver_event Driver process event callback.
"""
CommandResponseInstrumentProtocol.__init__(self, prompts, newline,
driver_event)
self._protocol_fsm = InstrumentFSM(ProtocolState, ProtocolEvent,
ProtocolEvent.ENTER,
ProtocolEvent.EXIT)
handlers = {
ProtocolState.UNKNOWN:
[(ProtocolEvent.ENTER, self._handler_unknown_enter),
(ProtocolEvent.EXIT, self._handler_unknown_exit)],
}
for state in handlers:
for event, handler in handlers[state]:
self._protocol_fsm.add_handler(state, event, handler)
# State state machine in UNKNOWN state.
self._protocol_fsm.start(ProtocolState.UNKNOWN)
# create chunker for processing instrument samples.
self._chunker = StringChunker(self.sieve_function)
