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Make buzzer blink, close #19

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Ben Nuttall
2015-09-23 14:18:40 +01:00
parent d869d1e092
commit 5e0a56b11c
1 changed files with 17 additions and 13 deletions
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30
gpiozero/output_devices.py
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@@ -22,12 +22,20 @@ class OutputDevice(GPIODevice):
GPIO.output(self.pin, False) GPIO.output(self.pin, False)
class LED(OutputDevice): class DigitalOutputDevice(OutputDevice):
def __init__(self, pin=None): def __init__(self, pin=None):
super(LED, self).__init__(pin) super(DigitalOutputDevice, self).__init__(pin)
self._blink_thread = None self._blink_thread = None
self._lock = Lock() self._lock = Lock()
def on(self):
self._stop_blink()
super(DigitalOutputDevice, self).on()
def off(self):
self._stop_blink()
super(DigitalOutputDevice, self).off()
def blink(self, on_time=1, off_time=1): def blink(self, on_time=1, off_time=1):
self._stop_blink() self._stop_blink()
self._blink_thread = GPIOThread( self._blink_thread = GPIOThread(
@@ -42,21 +50,13 @@ class LED(OutputDevice):
def _blink_led(self, on_time, off_time): def _blink_led(self, on_time, off_time):
while True: while True:
super(LED, self).on() super(DigitalOutputDevice, self).on()
if self._blink_thread.stopping.wait(on_time): if self._blink_thread.stopping.wait(on_time):
break break
super(LED, self).off() super(DigitalOutputDevice, self).off()
if self._blink_thread.stopping.wait(off_time): if self._blink_thread.stopping.wait(off_time):
break break
def on(self):
self._stop_blink()
super(LED, self).on()
def off(self):
self._stop_blink()
super(LED, self).off()
def toggle(self): def toggle(self):
with self._lock: with self._lock:
if self.is_active: if self.is_active:
@@ -65,7 +65,11 @@ class LED(OutputDevice):
self.on() self.on()
class Buzzer(OutputDevice): class LED(DigitalOutputDevice):
pass
class Buzzer(DigitalOutputDevice):
pass pass