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Update rockchip-pwm-fan.sh

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rockchip：optimize temperature control and start fan script
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骷髅头 2024-08-01 17:28:37 +08:00 committed by GitHub
parent 81828eda28
commit e8c6f8f165
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1 changed files with 20 additions and 36 deletions
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56
target/linux/rockchip/armv8/base-files/usr/bin/rockchip-pwm-fan.sh
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@ -1,46 +1,30 @@
#!/bin/bash
echo -n 4 > /sys/class/thermal/cooling_device0/cur_state
sleep 5
echo -n 0 > /sys/class/thermal/cooling_device0/cur_state
declare -a CpuTemps=(65000 60000 50000 40000 20000)
declare -a CpuTemps=(65000 60000 55000 50000 49000)
declare -a CoolState=(4 3 2 1 0)
declare -a Percents=(100 70 50 20 0)
DefaultDuty=0
DefaultPercents=0
last_duty=0
while true
do
temp=$(cat /sys/class/thermal/thermal_zone0/temp)
INDEX=0
FOUNDTEMP=0
DUTY=$DefaultDuty
PERCENT=$DefaultPercents
for i in 0 1 2 3 4; do
if [ $temp -gt ${CpuTemps[$i]} ]; then
INDEX=$i
FOUNDTEMP=1
break
fi
done
if [ ${FOUNDTEMP} == 1 ]; then
DUTY=${CoolState[$i]}
PERCENT=${Percents[$i]}
fi
DUTY=0
if [[ $last_dutu -eq '0' ]]; then
if [[ $DUTY -ne '0' ]]; then
echo -n 4 > /sys/class/thermal/cooling_device0/cur_state;
sleep 1s;
echo -n $DUTY > /sys/class/thermal/cooling_device0/cur_state;
else
echo -n 0 > /sys/class/thermal/cooling_device0/cur_state;
fi
else
echo -n $DUTY > /sys/class/thermal/cooling_device0/cur_state;
fi
for i in ${!CpuTemps[@]}; do
if [ $temp -ge ${CpuTemps[$i]} ]; then
DUTY=${CoolState[$i]}
break
fi
done
last_dutu=$DUTY
echo "temp: $temp, duty: $DUTY, ${PERCENT}%"
sleep 60s;
if [ $DUTY -ne $last_duty ]; then
echo -n $DUTY > /sys/class/thermal/cooling_device0/cur_state
last_duty=$DUTY
fi
echo "temp: $temp, duty: $DUTY"
sleep 60s
done