mirror of
https://github.com/hanwckf/immortalwrt-mt798x.git
synced 2025-01-10 03:09:08 +08:00
41 lines
986 B
Bash
Executable File
41 lines
986 B
Bash
Executable File
#!/bin/sh
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### enable fan ###
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echo 0 > /sys/class/pwm/pwmchip0/export
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echo 10000 > /sys/class/pwm/pwmchip0/pwm0/period
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echo 7000 > /sys/class/pwm/pwmchip0/pwm0/duty_cycle
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echo normal > /sys/class/pwm/pwmchip0/pwm0/polarity
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echo 1 > /sys/class/pwm/pwmchip0/pwm0/enable
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while :
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do
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sleep 20
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result=`cat /sys/class/thermal/thermal_zone0/temp`
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temperature=$((result))
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#echo $temperature
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if [ ${temperature} -le 58000 ]; then
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echo 5000 > /sys/class/pwm/pwmchip0/pwm0/duty_cycle
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fi
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if [ ${temperature} -ge 58000 ]; then
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echo 5000 > /sys/class/pwm/pwmchip0/pwm0/duty_cycle
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fi
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if [ ${temperature} -ge 62000 ]; then
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echo 4500 > /sys/class/pwm/pwmchip0/pwm0/duty_cycle
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fi
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if [ ${temperature} -ge 75000 ]; then
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echo 3700 > /sys/class/pwm/pwmchip0/pwm0/duty_cycle
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fi
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if [ ${temperature} -ge 80000 ]; then
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echo 2500 > /sys/class/pwm/pwmchip0/pwm0/duty_cycle
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fi
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if [ ${temperature} -ge 85000 ]; then
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echo 1000 > /sys/class/pwm/pwmchip0/pwm0/duty_cycle
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fi
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done
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