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這是我打開類,關閉,並閃爍LED在樹莓派 我想停止線閃爍在一段時間... 但線程後臺不會運行...蟒蛇線程不會啓動後臺
class LED:
_GPIOPORT=None flagstop=0 flag=threading.Event() def __init__(self,GPIONUM): self._GPIOPORT=GPIONUM GPIO.setmode(GPIO.BOARD) GPIO.setwarnings(False) GPIO.setup(self._GPIOPORT, GPIO.OUT) self.flag.set() def TurnOn(self): self.flag.clear() print 'Turn On ...' GPIO.output(self._GPIOPORT,True) def TurnOff(self): self.flag.clear() print 'Turn Off ...' GPIO.output(self._GPIOPORT,False) def Blink(self,delay,e): print 'Thread Blink Create ...' t1=threading.Thread(self.BlinkThread(delay,e)) t1.start() print 'Thread Started' def BlinkThread(self,delaytime,event): print 'BlinkTrehad Start ....' while not event: GPIO.output(self._GPIOPORT,False) sleep(delaytime) GPIO.output(self._GPIOPORT,True) sleep(delaytime)
,這是我使用的模塊,這個類:
import LED
from time import sleep
import threading
if __name__ == '__main__':
e=threading.Event()
e.set()
ledblue=LED.LED(11)
ledblue.TurnOn()
sleep(1)
ledblue.Blink(1,e)
ledblue.TurnOn()
從來沒有「開始線程」在康索爾和循環運行打印排隊
,但給我這個錯誤 文件「/usr/lib/python2.7/threading.py」,管道438,__init__ 斷言組是無,「組參數必須是無,現在「 AssertionError:組參數現在必須爲None – user3585139
oops,我的不好。應該是目標= ...,我會修復 – tdelaney