diff options
| -rw-r--r-- | scripts/autofan.py | 76 |
1 files changed, 53 insertions, 23 deletions
diff --git a/scripts/autofan.py b/scripts/autofan.py index 57d59aa..f181ded 100644 --- a/scripts/autofan.py +++ b/scripts/autofan.py @@ -3,6 +3,7 @@ import lgpio, re, os, subprocess, logging from time import sleep +from pathlib import Path def check_CPU_temp(): @@ -19,12 +20,40 @@ def check_CPU_temp(): return t, msg -h = lgpio.gpiochip_open(0) -channel = 14 -start_temp = 50 -end_temp = 43 -show_info = True -is_high = False +def HIGH_FLAG_callback(old, new): + if new: + lgpio.gpio_write(h, channel, 1) + logger.info("Fan started.") + Path(flag_file).touch() + logger.info(("Wrote flag: %s") % flag_file) + logger.info(("Current %s") % msg) + else: + lgpio.gpio_write(h, channel, 0) + logger.info("Fan stopped.") + os.remove(flag_file) + logger.info(("Deleted flag: %s") % flag_file) + logger.info(("Current %s") % msg) + + +class VariableListenedOnChange: + def __init__(self, init_value): + self._value = init_value + self._callbacks = [] + + @property + def value(self): + return self._value + + @value.setter + def value(self, new_value): + old_value = self._value + self._value = new_value + for callback in self._callbacks: + callback(old_value, new_value) + + def register_callback(self, callback): + self._callbacks.append(callback) + # Logger setup logger = logging.getLogger() @@ -39,30 +68,33 @@ fileHandler.setFormatter(formatter) logger.addHandler(streamHandler) logger.addHandler(fileHandler) -if os.path.exists("/usr/local/IS_HIGH_FLAG"): +h = lgpio.gpiochip_open(0) +channel = 14 +start_temp = 50 +end_temp = 43 +show_info = True +flag_file = "/usr/local/IS_HIGH_FLAG" +is_high = VariableListenedOnChange(False) +is_high.register_callback(HIGH_FLAG_callback) + +if os.path.exists(flag_file): lgpio.gpio_write(h, channel, 0) - logger.info("Fan started.") - os.remove("/usr/local/IS_HIGH_FLAG") + logger.info("Got IS_HIGH_FLAG, stopping fan for now just in case.") + os.remove(flag_file) try: while True: - temp = open('/sys/class/thermal/thermal_zone0/temp') + temp = open("/sys/class/thermal/thermal_zone0/temp") temp = int(temp.read()) / 1000 msg = "%.1f ℃" % temp - #temp, msg = check_CPU_temp() + # temp, msg = check_CPU_temp() - if temp > start_temp and not is_high: # 当SoC温度超过启动阈值且风扇处于关闭状态 - lgpio.gpio_write(h, channel, 1) - logger.info("Fan started.") - logger.info(("Current %s") % msg) + if temp > start_temp and not is_high.value: # 当SoC温度超过启动阈值且风扇处于关闭状态 + is_high.value = True show_info = True - is_high = True - elif temp < end_temp and is_high: # 当SoC温度低于关闭阈值且风扇处于打开状态 - lgpio.gpio_write(h, channel, 0) - logger.info("Fan stopped.") - logger.info(("Current %s") % msg) - is_high = False + elif temp < end_temp and is_high.value: # 当SoC温度低于关闭阈值且风扇处于打开状态 + is_high.value = False show_info = True elif show_info: @@ -73,8 +105,6 @@ try: sleep(10) # 每隔10秒监控一次 except: - lgpio.gpio_write(h, channel, 0) - logger.info("Fan stopped.") lgpio.gpiochip_close(h) logger.info("Controller Closed.") |