245 lines
6.9 KiB
Desktop File
Executable File
245 lines
6.9 KiB
Desktop File
Executable File
#!/bin/bash
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#
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# Simple script implementing a temperature dependent fan speed control
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# Supported Linux kernel versions: 2.6.5 and later
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#
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# Version 0.70
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#
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# Usage: fancontrol [CONFIGFILE]
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#
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# Dependencies:
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# bash, egrep, sed, cut, sleep, readlink, lm_sensors :)
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#
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# Please send any questions, comments or success stories to
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# marius.reiner@hdev.de
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# Thanks!
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#
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# For configuration instructions and warnings please see fancontrol.txt, which
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# can be found in the doc/ directory or at the website mentioned above.
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#
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#
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# Copyright 2003 Marius Reiner <marius.reiner@hdev.de>
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# Copyright (C) 2007-2009 Jean Delvare <khali@linux-fr.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301 USA.
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#
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#
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PIDFILE="/var/run/fancontrol.pid"
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#DEBUG=1
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MAX=255
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function LoadConfig
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{
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local fcvcount fcv
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echo "Loading configuration from $1 ..."
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if [ ! -r "$1" ]
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then
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echo "Error: Can't read configuration file" >&2
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exit 1
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fi
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# grep configuration from file
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INTERVAL=`egrep '^INTERVAL=.*$' $1 | sed -e 's/INTERVAL=//g'`
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DEVPATH=`egrep '^DEVPATH=.*$' $1 | sed -e 's/DEVPATH= *//g'`
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DEVNAME=`egrep '^DEVNAME=.*$' $1 | sed -e 's/DEVNAME= *//g'`
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FCTEMPS=`egrep '^FCTEMPS=.*$' $1 | sed -e 's/FCTEMPS=//g'`
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MINTEMP=`egrep '^MINTEMP=.*$' $1 | sed -e 's/MINTEMP=//g'`
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MAXTEMP=`egrep '^MAXTEMP=.*$' $1 | sed -e 's/MAXTEMP=//g'`
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MINSTART=`egrep '^MINSTART=.*$' $1 | sed -e 's/MINSTART=//g'`
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MINSTOP=`egrep '^MINSTOP=.*$' $1 | sed -e 's/MINSTOP=//g'`
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HWMON=$( echo "$DEVPATH" | sed 's/=.*$//g')
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FCDEVPATH=$( echo "$DEVPATH" | sed 's/^.*=//g')
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FCMINTEMP=$MINTEMP
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FCMAXTEMP=$MAXTEMP
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FCMINSTART=$MINSTART
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FCMINSTOP=$MINSTOP
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FCFANS=`egrep '^FCFANS=.*$' $1 | sed -e 's/FCFANS=//g'`
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# Check whether all mandatory settings are set
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if [[ -z ${INTERVAL} || -z ${FCTEMPS} || -z ${MINTEMP} || -z ${MAXTEMP} || -z ${MINSTART} || -z ${MINSTOP} ]]
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then
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echo "Some mandatory settings missing, please check your config file!" >&2
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exit 1
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fi
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if [ "$INTERVAL" -le 0 ]
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then
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echo "Error in configuration file:" >&2
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echo "INTERVAL must be at least 1" >&2
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exit 1
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fi
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# write settings to arrays for easier use and print them
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echo
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echo "Common settings:"
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temp_string=$FCTEMPS
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let fcvcount=0
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for fcv in $FCTEMPS
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do
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fcvcount=$((fcvcount+1))
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AFCTEMP[$fcvcount]=$( echo "$temp_string" | cut -d" " -f $fcvcount )
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AFCTEMP[$fcvcount]=$( echo "${AFCTEMP[$fcvcount]}" | sed 's/hwmon1/\/sys\/bus\/i2c\/devices/g' )
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AFCTEMP_PATH[$fcvcount]=$( echo "${AFCTEMP[$fcvcount]}" | sed 's/hwmon1/\/sys\/bus\/i2c\/devices/g' )
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AFCTEMP[$fcvcount]=$( cat ${AFCTEMP[$fcvcount]} )
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AFCTEMP[$fcvcount]=$(( AFCTEMP[$fcvcount]/1000 ))
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done
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fan_string=$FCFANS
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fcvcount=0
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zero=0
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for fcv in $FCFANS
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do
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fcvcount=$((fcvcount+1))
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AFCFAN[$fcvcount]=$( echo "$fan_string" | cut -d" " -f $fcvcount )
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AFCFAN_PATH[$fcvcount]=$( echo "${AFCFAN[$fcvcount]}" | sed 's/hwmon1/\/sys\/bus\/i2c\/devices/g' )
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AFCFAN_TARGET[$fcvcount]=$( echo "${AFCFAN_PATH[$fcvcount]}" | sed 's/hwmon1/\/sys\/bus\/i2c\/devices/g' )
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AFCFAN_TARGET[$fcvcount]=$( echo "${AFCFAN_TARGET[$fcvcount]}" | sed 's/$/_percentage/g')
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AFCFAN[$fcvcount]=$( cat ${AFCFAN_PATH[$fcvcount]} )
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if [ "${AFCFAN[$fcvcount]}" == 960 ]
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then
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AFCFAN[$fcvcount]=$zero
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fi
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done
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}
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# Check that all referenced sysfs files exist
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function CheckFiles
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{
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local outdated=0 fcvcount tsen fan
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if [ $outdated -eq 1 ]
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then
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echo >&2
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echo "At least one referenced file is missing. Either some required kernel" >&2
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echo "modules haven't been loaded, or your configuration file is outdated." >&2
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echo "In the latter case, you should run pwmconfig again." >&2
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fi
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return $outdated
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}
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LoadConfig $1
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# Detect path to sensors
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if [ ! -d $DIR ]
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then
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echo $0: 'No sensors found! (did you load the necessary modules?)' >&2
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exit 1
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fi
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cd $DIR
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# Check for configuration change
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if [ "$DIR" != "/" ] && [ -z "$DEVPATH" -o -z "$DEVNAME" ]
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then
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echo "Configuration is too old, please run pwmconfig again" >&2
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exit 1
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fi
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if [ "$DIR" = "/" -a -n "$DEVPATH" ]
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then
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echo "Unneeded DEVPATH with absolute device paths" >&2
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exit 1
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fi
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CheckFiles || exit 1
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if [ -f "$PIDFILE" ]
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then
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echo "File $PIDFILE exists, is fancontrol already running?" >&2
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exit 1
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fi
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echo $$ > "$PIDFILE"
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# main function
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function UpdateThermalSensors
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{
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echo ""
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TEMP_HIGHEST=0
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FAN_PERCENTAGE=0
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for i in ${AFCTEMP_PATH[@]}; do
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if (( $(cat $i) > $TEMP_HIGHEST )); then
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TEMP_HIGHEST=$(cat $i);
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fi;
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done
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TEMP_HIGHEST=$((TEMP_HIGHEST/1000))
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echo "The highest temperature of thermal sensors: $TEMP_HIGHEST °C"
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}
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function UpdateFanSpeeds
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{
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if [ $TEMP_HIGHEST -lt 51 ]; then #TEMP<=50
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FAN_PERCENTAGE=40
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elif [ $TEMP_HIGHEST -lt 56 -a $TEMP_HIGHEST -gt 50 ]; then #50<TEMP<=55
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FAN_PERCENTAGE=60
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elif [ $TEMP_HIGHEST -lt 61 -a $TEMP_HIGHEST -gt 55 ]; then #55<TEMP<=60
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FAN_PERCENTAGE=80
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elif [ $TEMP_HIGHEST -lt 66 -a $TEMP_HIGHEST -gt 60 ]; then #60<TEMP<=65
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FAN_PERCENTAGE=90
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elif [ $TEMP_HIGHEST -gt 65 ]; then # 65<TEMP
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FAN_PERCENTAGE=100
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else
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FAN_PERCENTAGE=100
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fi
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echo "Trying to set fan speed to $FAN_PERCENTAGE %"
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#Set speed to fan1~fan10
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let fcvcount=0
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for fcv in $FCFANS
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do
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fcvcount=$(( fcvcount + 1 ))
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echo $FAN_PERCENTAGE > ${AFCFAN_TARGET[$fcvcount]}
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AFCFAN[$fcvcount]=$( cat ${AFCFAN_PATH[$fcvcount]} )
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if [ "${AFCFAN[$fcvcount]}" == 960 ]
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then
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AFCFAN[$fcvcount]=$zero
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fi
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done
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if [ $TEMP_HIGHEST -lt 51 ]; then #TEMP<=50
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FAN_ON_PSU_PERCENTAGE=50
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elif [ $TEMP_HIGHEST -lt 100 -a $TEMP_HIGHEST -gt 50 ]; then #50<TEMP<100
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FAN_ON_PSU_PERCENTAGE=100
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else
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echo "Unable to get thermal temperature"
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FAN_ON_PSU_PERCENTAGE=100
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fi
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#Set speed to PSU_FAN1
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#echo "0x00" > '/sys/bus/i2c/devices/4-0058/psu_select_member'
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echo "$FAN_ON_PSU_PERCENTAGE" > '/sys/bus/i2c/devices/40-0058/fan1_set_percentage'
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echo "PSU fan1 =$( cat '/sys/bus/i2c/devices/40-0058/fan1_input' ) (rpm)"
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#Set speed to PSU_FAN2
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#echo "0x20" > '/sys/bus/i2c/devices/4-0058/psu_select_member'
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echo "$FAN_ON_PSU_PERCENTAGE" > '/sys/bus/i2c/devices/41-0058/fan1_set_percentage'
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echo "PSU fan2 =$( cat '/sys/bus/i2c/devices/41-0058/fan1_input' ) (rpm)"
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rm -f "$PIDFILE"
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}
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# main loop calling the main function at specified intervals
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while true
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do
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UpdateThermalSensors
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UpdateFanSpeeds
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echo "Sleep $INTERVAL seconds ..."
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# Sleep while still handling signals
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sleep $INTERVAL &
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wait $!
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done
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