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https://github.com/mynodebtc/mynode.git
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55 lines
1.3 KiB
Python
55 lines
1.3 KiB
Python
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#!/usr/bin/python3
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from time import sleep
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current_fan_speed=0
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def get_temp():
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with open('/sys/class/thermal/thermal_zone0/temp') as f:
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results = f.read()
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device_temp = int(int(results) / 1000)
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print("Current temp: {}C".format(device_temp))
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return device_temp
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def set_fan_speed(percent):
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global current_fan_speed
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if percent != current_fan_speed:
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print("Setting fan speed: {}%".format(percent))
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fan_speed=int(float(percent) * 2.55)
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current_fan_speed = percent
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with open('/sys/class/hwmon/hwmon0/pwm1', 'w') as f:
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f.write("{}".format(fan_speed))
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def calculate_fan_setting(temp):
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if temp <= 50:
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set_fan_speed(0)
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elif temp >= 65 and temp < 70:
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set_fan_speed(30)
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elif temp >= 70 and temp < 75:
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set_fan_speed(60)
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elif temp >= 75:
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set_fan_speed(100)
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def main_loop():
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# On start run fan for a bit
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try:
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set_fan_speed(60)
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sleep(20)
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set_fan_speed(0)
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except:
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pass
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while True:
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try:
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temp = get_temp()
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calculate_fan_setting(temp)
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except Exception as e:
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print("Exception: {}".format(str(e)))
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set_fan_speed(80)
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finally:
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sleep(10)
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# This is the main entry point for the program
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if __name__ == "__main__":
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main_loop()
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