#!/bin/sh
#bu_VINRARUS 2018
N=0
until [ -f "$sCORE" -a -f "$sGPU" -a -f "$sMB" -a -f "$CPU" -a -f "$BIG" -a -f "${CPU}_enable" -a -f "${BIG}_enable" ]
do
    for NAME in /sys/class/hwmon/*
    do
        case "`cat $NAME/name`" in
        k10temp)
            sCORE=$NAME/temp1_input
        ;;
        it8720)
            sCPU=$NAME/temp3_input
            sMB=$NAME/temp2_input
            CPU=$NAME/pwm1
            BIG=$NAME/pwm2
        ;;
        radeon)
            sGPU=$NAME/temp1_input
        ;;
        *)
            echo "$NAME ignore..."
        ;;
        esac
    done
    N=$((N+1))
    if [ "$N" -lt 20 ]
    then
        echo "$N"
        sleep 3
    else
        echo "Fan control blocked!"
        exit 4
    fi
done

#(255-90)/5=33
#70-33=37

CPUFAN(){
TT=0
for T in $c1 $c2 $c3 $c
do
    if [ "$T" -gt  "$TT" ]
    then
        TT=$T
    fi
done

if [ "$TT" != "$CPUpwm" ]
then
    CPUpwm="$TT"
    echo "$CPUpwm" > $CPU
fi
}
MOTOFAN(){
TT=0
T=0
for T in $m1 $m2 $m3 $m
do
    if [ "$T" -gt  "$TT" ]
    then
        TT="$T"
    fi
done
if [ "$TT" != "$MOTOpwm" ]
then
    MOTOpwm="$TT"
    echo "$MOTOpwm" > $BIG
fi
}
if [ "$1" = "-log" ]
then
LOG(){   
echo "BIG:$MOTOpwm
CPU:$CPUpwm
$m1 $m2 $m3
$c1 $c2 $c3
"
}
else
LOG(){
true
}
fi


if [ "$1" = "stop" ]
then
    echo 254 > ${CPU}
    echo 254 > ${BIG}
    echo "max fan"
    echo 2 > ${CPU}_enable
    echo 2 > ${BIG}_enable
    echo "fan autocontrol"
    exit
fi
echo "Use: $0 -log"
echo "Enable fan pwm control..."
echo 1 > ${CPU}_enable
echo 1 > ${BIG}_enable
sleep 1
while true
do
    #read -t 1 D
    sleep 1
    read tCORE x <$sCORE
#    read tCPU x <$sCPU
    read tMB x <$sMB
    read tGPU x <$sGPU
    tCORE=${tCORE%???}
    tMB=${tMB%???}
    tGPU=${tGPU%???}
   
###############tCORE#################
    case "$tCORE" in
    [0-9]|[0-3][0-9])
        m1=90
        c1=90
    ;;
    4[0-9])
        m1=90
        c1="$(((${tCORE#?}+1)*5/2+90))"
    ;;
    5[0-9])
        m1="$(((${tCORE#?}+1)*5+90))"
        c1="$(((${tCORE#?}+1)*5+115))"
    ;;
    6[0-4])
        m1="$(((${tCORE#?}+1)*8+140))"
        c1="$(((${tCORE#?}+1)*15+165))"
    ;;
    6[5-9])
        m1="$(((${tCORE#?}+1)*10+150))"
        c1="254"
    ;;
    *)
        m1=254
        c1=254
    ;;
    esac
################tMB################
    case "$tMB" in
    [0-9]|[0-3][0-9])
        m2=90
        c2=90
    ;;
    4[0-9])
        m2=90
        c2="$(((${tMB#?}+1)*5/2+90))"
    ;;
    5[0-9])
        m2="$(((${tMB#?}+1)*5+90))"
        c2="$(((${tMB#?}+1)*5+115))"
    ;;
    6[0-4])
        m2="$(((${tMB#?}+1)*8+140))"
        c2="$(((${tMB#?}+1)*15/2+165))"
    ;;
    6[5-9])
        m2="$(((${tMB#?}+1)*10+150))"
        c2="$(((${tMB#?}+1)*15/2+165))"
    ;;
    *)
        m2=254
        c2=254
    ;;
    esac
################tGPU################
    case "$tGPU" in
    [0-9]|[0-4][0-9])
        m3=90
        c3=90
    ;;
    5[0-9])
        m3="$((${tGPU#?}+91))"
        c3=90
    ;;
    6[0-9])
        m3="$((${tGPU#?}+101))"
        c3=90
    ;;
    7[0-9])
        m3="$(((${tGPU#?}+1)*2+110))"
        c3=90
    ;;
    8[0-9])
        m3="$(((${tGPU#?}+1)*10+130))"
        c3="$(((${tGPU#?}+1)*10+100))"
    ;;
    *)
        m3=254
        c3=254
    ;;
    esac
################analiz################
    CPUFAN
    MOTOFAN
    LOG
done
exit 8