Page 319 - Tasarım Beceri Atölyeleri Öğretmen El Kitabı

# semaphore initialized to 0 -> red: if a thread tries to acquire the semaphore

# it blocks if the semaphore has not been turned ‘green’ (released)

semaphore = threading.Semaphore(0)

# define a RTTTL Halloween melody to be played by passing it the RTTTL string.

# find more songs at http://ez4mobile.com/nokiatone/rtttf.htm and many other websites
hsong = rtttl.tune(‘Halloween:d=4,o=5,b=180:8d6,8g,8g,8d6,8g,8g,8d6,8g,8d#6,8g,8d6,8g,8g,8d6,8g,8g,-
8d6,8g,8d#6,8g,8c#6,8f#,8f#,8c#6,8f#,8f#,8c#6,8f#,8d6,8f#,8c#6,8f#,8f#,8c#6,8f#,8f#,8c#6,8f#,8d6,8f#’)

# If you use Particle Photon uncomment the following line and short-circuit the Buzzer and Aux2 pins
# toishield.buzzer_pin=D9.PWM

def blink():

# blink while the pumpkin is active

while toishield.microphone.activePumpkin:
leds.setall(255,0,0)

leds.on()

sleep(500)

leds.setall(255,140,0)

leds.on()
sleep(500)

leds.setall(0,0,0)

leds.on()
semaphore.release()

311