53 lines
1.7 KiB
Plaintext
53 lines
1.7 KiB
Plaintext
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#!/usr/bin/python3
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import RPi.GPIO as GPIO
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import subprocess
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import time
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class FanStatus(object):
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ON_THRESHOLD = 50 # 50 (gradu zentigradu) Haizemailea pizten da.
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OFF_THRESHOLD = 43 # 43 (gradu zentrigadu) Haizemailea itzaltzen da.
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SLEEP_INTERVAL = 20 # (segundoak) Tenperatura neurketa maiztasuna.
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def __init__(self):
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super(FanStatus, self).__init__()
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self.FanPin = 27 # pin13
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def setup(self):
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GPIO.setwarnings(False)
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GPIO.setmode(GPIO.BCM)
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GPIO.setup(self.FanPin, GPIO.OUT)
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def get_temp(self):
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output = subprocess.run(['vcgencmd', 'measure_temp'], capture_output=True)
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temp_str = output.stdout.decode()
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try:
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return float(temp_str.split('=')[1].split('\'')[0])
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except (IndexError, ValueError):
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raise RuntimeError('Akatsa tenperatura eskuratzerakoan')
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def main(self):
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# Piztu/Itzaldu balioak egokiak direla ziurtatu
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if self.OFF_THRESHOLD >= self.ON_THRESHOLD:
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raise RuntimeError('Konfiguraketa akatsa -> ITZALTZE tenperatura PIZTE tenperatura baina txikiagoa izan behar da!')
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while True:
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temp = f_status.get_temp()
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if temp > self.ON_THRESHOLD and not GPIO.input(self.FanPin):
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GPIO.output(self.FanPin, True)
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elif GPIO.input(self.FanPin) and temp < self.OFF_THRESHOLD:
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GPIO.output(self.FanPin, False)
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time.sleep(self.SLEEP_INTERVAL)
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def destroy(self):
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GPIO.cleanup()
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f_status = FanStatus()
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if __name__ == '__main__':
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f_status.setup()
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try:
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f_status.main()
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except KeyboardInterrupt:
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f_status.destroy()
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