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Added cooldown threshold in separate variable. Fixed bug where state change might happen twice on one loop iteration.

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This commit is contained in:
Chris Smith 2022-06-10 02:33:45 +00:00
parent d119b30d56
commit 6765b86f86
1 changed files with 12 additions and 3 deletions
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13
Code/devterm_fan_daemon_cpi_a06/temp_fan_daemon_a06.py
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@ -10,7 +10,10 @@ cpus = []
mid_freq = 0 mid_freq = 0
max_freq = 0 max_freq = 0
#Start the fan above this temperature
MAX_TEMP=60000 MAX_TEMP=60000
#Cool additionally this far past MAX_TEMP before turning the fan off
TEMP_THRESH=2000
ONCE_TIME=30 ONCE_TIME=30
lastTemp = 0 lastTemp = 0
@ -86,9 +89,11 @@ def set_performance(scale):
def fan_loop(): def fan_loop():
global lastTemp global lastTemp
statechange = False
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()
statechange = False
for var in temps: for var in temps:
_f = os.path.join(var,"temp") _f = os.path.join(var,"temp")
#print( open(_f).read().strip("\n") ) #print( open(_f).read().strip("\n") )
@ -98,13 +103,17 @@ def fan_loop():
if lastTemp <= MAX_TEMP: if lastTemp <= MAX_TEMP:
sys.stderr.write("Temp: " + str(_t) + " Fan on.\n") sys.stderr.write("Temp: " + str(_t) + " Fan on.\n")
fan_on() fan_on()
statechange = True
else: else:
#Don't turn it off right at the threshold #Don't turn it off right at the threshold
if int(_t) + 2000 < MAX_TEMP: if int(_t) + TEMP_THRESH < MAX_TEMP:
if lastTemp + 2000 >= MAX_TEMP: if lastTemp + TEMP_THRESH >= MAX_TEMP:
sys.stderr.write("Temp: " + str(_t) + " Fan off.\n") sys.stderr.write("Temp: " + str(_t) + " Fan off.\n")
fan_off() fan_off()
statechange = True
lastTemp = int(_t) lastTemp = int(_t)
if statechange:
break
time.sleep(5) time.sleep(5)
def main(argv): def main(argv):