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New fan_loop function which starts the fan when the temperature reaches the threshold and doesn't stop it until the temperatue is a bit lower than the threshold. Also lowered the threshold a bit.

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This commit is contained in:
Chris Smith 2022-06-10 00:30:30 +00:00
parent 4664328eaf
commit d119b30d56
1 changed files with 13 additions and 5 deletions
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18
Code/devterm_fan_daemon_cpi_a06/temp_fan_daemon_a06.py
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@ -10,9 +10,11 @@ cpus = []
mid_freq = 0 mid_freq = 0
max_freq = 0 max_freq = 0
MAX_TEMP=70000 MAX_TEMP=60000
ONCE_TIME=30 ONCE_TIME=30
lastTemp = 0
gpiopath="/sys/class/gpio" gpiopath="/sys/class/gpio"
gpiopin=96 gpiopin=96
def init_fan_gpio(): def init_fan_gpio():
@ -82,8 +84,8 @@ def set_performance(scale):
#print(_f) #print(_f)
subprocess.run( "echo %s | sudo tee %s" %(freq,_f),shell=True) subprocess.run( "echo %s | sudo tee %s" %(freq,_f),shell=True)
def fan_loop(): def fan_loop():
global lastTemp
while True: while True:
temps = glob.glob('/sys/class/thermal/thermal_zone[0-9]/') temps = glob.glob('/sys/class/thermal/thermal_zone[0-9]/')
temps.sort() temps.sort()
@ -93,12 +95,18 @@ def fan_loop():
_t = open(_f).read().strip("\n") _t = open(_f).read().strip("\n")
if isDigit(_t): if isDigit(_t):
if int(_t) > MAX_TEMP: if int(_t) > MAX_TEMP:
if lastTemp <= MAX_TEMP:
sys.stderr.write("Temp: " + str(_t) + " Fan on.\n")
fan_on() fan_on()
fan_off() else:
#Don't turn it off right at the threshold
if int(_t) + 2000 < MAX_TEMP:
if lastTemp + 2000 >= MAX_TEMP:
sys.stderr.write("Temp: " + str(_t) + " Fan off.\n")
fan_off()
lastTemp = int(_t)
time.sleep(5) time.sleep(5)
def main(argv): def main(argv):
global cpus global cpus
scale = 'mid' scale = 'mid'