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pyledriver
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add lock to blinkenlight

This commit is contained in:
petrucci4prez 2017-06-17 14:26:29 -04:00
parent 1ea3761089
commit 2fef89ff7b
1 changed files with 6 additions and 3 deletions
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9
blinkenLights.py
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@ -3,7 +3,7 @@ Controls an LED using a GPIO pin
'''
import RPi.GPIO as GPIO
import time, logging
from threading import Event
from threading import Event, Lock
from exceptionThreading import ExceptionThread
from itertools import chain
@ -12,9 +12,11 @@ logger = logging.getLogger(__name__)
class Blinkenlights(ExceptionThread):
def __init__(self, pin, cyclePeriod=2):
self._stopper = Event()
self._blink = Event()
self._lock = Lock()
self._pin = pin
self._blink = Event()
self.setCyclePeriod(cyclePeriod) #cyclePeriod is length of one blink cycle in seconds
GPIO.setup(pin, GPIO.OUT)
@ -45,7 +47,8 @@ class Blinkenlights(ExceptionThread):
logger.debug('Stopping LED on pin %s', self._pin)
def setCyclePeriod(self, cyclePeriod):
self._sleeptime = cyclePeriod/20/2
with self._lock:
self._sleeptime = cyclePeriod/20/2
def setBlink(self, toggle):
if toggle: