def __init__(self, channelA, channelB, bounceTime=150):
IO.setup(channelA, IO.IN, pull_up_down=IO.PUD_UP)
IO.setup(channelB, IO.IN, pull_up_down=IO.PUD_UP)
self._Channels = (channelA, channelB)
self._InterObsLeft = Common.MemObservable()
self._InterObsRight = Common.MemObservable()
def rising(chn):
time.sleep(0.002)
inA = IO.input(self._Channels[0])
inB = IO.input(self._Channels[1])
if inA == 1 and inB == 0:
self._InterObsRight.emit(True)
return
elif inA == 1 and inB == 1:
self._InterObsLeft.emit(True)
return
IO.add_event_detect(self._Channels[0],
IO.RISING,
callback=rising,
bouncetime=bounceTime)
def __init__(self, channel, bounceTime=300, hasPullDown=True):
if hasPullDown:
IO.setup(channel, IO.IN, pull_up_down=IO.PUD_DOWN)
else:
IO.setup(channel, IO.IN)
self._Channel = channel
self._InterObs = Common.MemObservable()
def emit(channel):
self._InterObs.emit(True)
IO.add_event_detect(channel,
IO.RISING,
callback=emit,
bouncetime=bounceTime)
def __init__(self, inCh, outCh, bounceTime=500):
self._InterObs = Common.MemObservable()
if len(inCh) != 3 or len(outCh) != 4:
raise ValueError("wron number of chnals")
for i in inCh:
IO.setup(i, IO.IN, pull_up_down=IO.PUD_DOWN)
for i in outCh:
IO.setup(i, IO.OUT)
def setAllOut(value):
for i in outCh:
IO.output(i, value)
def _interupt(chan):
table = [["1", "2", "3"], ["4", "5", "6"], ["7", "8", "9"],
["*", "0", "#"]]
setAllOut(0)
countFound = 0
foundCor = None
for oChannelId in range(len(outCh)):
IO.output(outCh[oChannelId], 1)
for iChannelId in range(len(inCh)):
if IO.input(inCh[iChannelId]):
countFound += 1
foundCor = (oChannelId, iChannelId)
IO.output(outCh[oChannelId], 0)
setAllOut(1)
if countFound > 1: # connot detect corect button
print("WARNING: pres only one button!")
sys.stdout.flush()
return
if countFound == 0:
return
self._InterObs.emit(table[foundCor[0]][foundCor[1]])
setAllOut(1)
for i in inCh:
IO.add_event_detect(i,
IO.RISING,
callback=_interupt,
bouncetime=bounceTime)
def clearAllSubscriptions(self):
self._InterObsLeft = Common.MemObservable()
self._InterObsRight = Common.MemObservable()
def clearAllSubscriptions(self):
self._InterObs = Common.MemObservable()
def clear(self):
self._InterObs = Common.MemObservable()