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"""
An event button box.
This module contains a class implementing an event button box.
"""
__author__ = 'Florian Krause <florian@expyriment.org>, \
Oliver Lindemann <oliver@expyriment.org>'
__version__ = '0.7.0'
__revision__ = '55a4e7e'
__date__ = 'Wed Mar 26 14:33:37 2014 +0100'
from _streamingbuttonbox import StreamingButtonBox
class EventButtonBox(StreamingButtonBox):
"""A class implementing an event button box input."""
def __init__(self, interface):
"""Create an event button box input.
Compared to a StreamingButtonBox, an EventButtonBox has no baseline
(baseline=None). The methods wait() and check() are therefore
responsive to every incomming interface event.
Parameters
----------
interface : io.SerialPort or io.ParallelPort
an interface object
"""
StreamingButtonBox.__init__(self, interface, None)
@property
def baseline(self):
"""Getter for baseline"""
return self._baseline
@baseline.setter
def baseline(self, value):
"""Setter for baseline."""
print("Warning: A baseline cannot be defined for an EventButtonBox!")
self._baseline = None
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