Hi,
I wrote a script to control my fan.
The fan speed is controlled by the temp of the CPU.
I'm pretty new to bash so I'm hoping for some feedback and off course is everybody free to use the script how they like.
Thx in advance
I wrote a script to control my fan.
The fan speed is controlled by the temp of the CPU.
I'm pretty new to bash so I'm hoping for some feedback and off course is everybody free to use the script how they like.
Code:
#!/bin/bash
#MikeD
#Automatic fan on cpu temp
CHECK_TIME=10 #IN SEC
function pwm(){
LOOP=0
while [ $LOOP -lt $(($CHECK_TIME*75)) ]; do
echo 1 > /sys/class/gpio/gpio82/value
sleep $1
echo 0 > /sys/class/gpio/gpio82/value
sleep $2
LOOP=$(($LOOP+1))
done
}
function fanOff()
{
echo 0 > /sys/class/gpio/gpio82/value
sleep $CHECK_TIME
}
function fanTweFiv()
{
pwm .0025 .0075
}
function fanFifty()
{
pwm .0050 .0050
}
function fanSevFiv()
{
pwm .0075 .0025
}
function fanFull()
{
echo 1 > /sys/class/gpio/gpio82/value
sleep $CHECK_TIME
}
while [ 1 ]; do
TEMP=$(cat /sys/class/thermal/thermal_zone0/temp)
if [ $TEMP -le 20000 ]
then
fanOff
fi
if [ $TEMP -gt 20000 -a $TEMP -le 35000 ]
then
fanTweFiv
fi
if [ $TEMP -gt 35000 -a $TEMP -le 50000 ]
then
fanFifty
fi
if [ $TEMP -gt 50000 -a $TEMP -le 65000 ]
then
fanSevFiv
fi
if [ $TEMP -gt 65000 ]
then
fanFull
fi
doneThx in advance
