tobru/mopidy-pummeluff
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

FEATURE: Optimize button pushes

Browse source
This commit is contained in:
Dominique Barton 2019-03-24 22:14:38 +01:00
parent e3e91ab1b5
commit 1fefd54499
1 changed files with 24 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

29
mopidy_pummeluff/threads/gpio_handler.py
View file

@ -11,6 +11,7 @@ __all__ = (
from threading import Thread
from logging import getLogger
from time import time
import RPi.GPIO as GPIO
@ -40,25 +41,43 @@ class GPIOHandler(Thread):
:param threading.Event stop_event: The stop event
'''
super(GPIOHandler, self).__init__()
self.core = core
self.stop_event = stop_event
now = time()
self.timestamps = {x: now for x in self.button_pins}
# pylint: disable=no-member
def run(self):
'''
Run the thread.
'''
GPIO.setmode(GPIO.BOARD)
def callback(pin): # pylint: disable=missing-docstring
play_sound('success.wav')
self.button_pins[pin](self.core)
for pin in self.button_pins:
LOGGER.debug('Setup pin %s as button pin', pin)
GPIO.setup(pin, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.add_event_detect(pin, GPIO.BOTH, callback=callback)
GPIO.add_event_detect(pin, GPIO.RISING, callback=lambda pin: self.button_push(pin)) # pylint: disable=unnecessary-lambda
LOGGER.debug('Setup pin %s as LED pin', self.led_pin)
GPIO.setup(self.led_pin, GPIO.OUT)
GPIO.output(self.led_pin, GPIO.HIGH)
self.stop_event.wait()
GPIO.cleanup() # pylint: disable=no-member
def button_push(self, pin):
'''
Callback method when a button is pushed.
:param int pin: Pin number
'''
now = time()
before = self.timestamps[pin]
if (GPIO.input(pin) == GPIO.LOW) and (now - before > 0.25):
LOGGER.debug('Button at pin %s was pushed', pin)
play_sound('success.wav')
self.button_pins[pin](self.core)
self.timestamps[pin] = now