25 lines
585 B
Python
25 lines
585 B
Python
|
import asyncio
|
||
|
|
import RPi.GPIO as GPIO
|
||
|
|
from time import sleep
|
||
|
|
|
||
|
|
class Buzzer:
|
||
|
|
def __init__(self):
|
||
|
|
GPIO.setwarnings(False)
|
||
|
|
GPIO.setmode(GPIO.BCM)
|
||
|
|
self.buzzer=23
|
||
|
|
GPIO.setup(self.buzzer,GPIO.OUT)
|
||
|
|
|
||
|
|
def background(f):
|
||
|
|
def wrapped(*args,**kwargs):
|
||
|
|
return asyncio.get_event_loop().run_in_executor(None,f,*args,*kwargs)
|
||
|
|
return wrapped
|
||
|
|
|
||
|
|
@background
|
||
|
|
def beep(self):
|
||
|
|
i=0
|
||
|
|
while i < 3 :
|
||
|
|
GPIO.output(self.buzzer,GPIO.HIGH)
|
||
|
|
sleep(0.2)
|
||
|
|
GPIO.output(self.buzzer,GPIO.LOW)
|
||
|
|
sleep(0.8)
|
||
|
|
i+=1
|