def tone(pin, frequency, duration=None):
p = GPIO.PWM(pin, frequency)
p.start(50)
if duration is not None and duration > 0:
threading.Timer(duration, lambda *args, **kwargs: p.stop()).start()
def noTone(pin):
GPIO.PWM(pin).stop()
def digitalWrite(pin, value):
try:
GPIO.output(pin, value)
except NameError:
raise NameError(('Pin {} is not setup yet, please run'
'`pinMode({}, state)` first!').format(pin, pin))
def digitalRead(pin):
try:
return GPIO.input(pin)
except NameError:
raise NameError(('Pin {} is not setup yet, please run'
'`pinMode({}, state)` first!').format(pin, pin))
def noInterrupts():
GPIO.disable_interrupts()
def interrupts():
GPIO.enable_interrupts()
def detachInterrupt(pin):
GPIO.remove_event_detect(pin)
def pinMode(pin, state):
GPIO.setup(pin, state)
def attachInterrupt(pin, ISR, mode):
GPIO.add_event_detect(pin, edge=mode, callback=[ISR])