51 lines
1.3 KiB
Python
51 lines
1.3 KiB
Python
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import datetime
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import threading
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import time
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import RPi.GPIO as GPIO
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class Heat(threading.Thread):
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def __init__(self, pin):
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super(Heat, self).__init__()
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self.__pin = pin
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self.__state = False
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GPIO.setwarnings(False)
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GPIO.setmode(GPIO.BCM)
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GPIO.setup(pin, GPIO.OUT)
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if GPIO.input(pin):
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self.__state = True
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self.__run_condition = True
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self.__next_update = datetime.datetime.now()
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def on(self):
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self.__state = True
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GPIO.output(self.__pin, 0)
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def off(self):
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self.__state = False
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GPIO.output(self.__pin, 1)
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def run(self):
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self.__next_update = datetime.datetime.now()
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while self.__run_condition:
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now = datetime.datetime.now()
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if now >= self.__next_update:
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if self.__state:
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# Do a power cycle to prevent auto-poweroff
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GPIO.output(self.__pin, 1)
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time.sleep(5)
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GPIO.output(self.__pin, 0)
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self.__next_update = now + datetime.timedelta(minutes=5)
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time.sleep(1)
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self.off()
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def stop(self):
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self.__run_condition = False
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self.join()
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def state(self):
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return self.__state
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