| 1 | #!/bin/bash |
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| 2 | # |
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| 3 | # pwmconfig v0.9 |
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| 4 | # Tests the pwm outputs of sensors and configures fancontrol |
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| 5 | # |
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| 6 | # Warning!!! This program will stop your fans, one at a time, |
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| 7 | # for approximately 5 seconds each!!! |
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| 8 | # This may cause your processor temperature to rise!!! |
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| 9 | # Verify that all fans are running at normal speed after this |
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| 10 | # program has exited!!! |
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| 11 | # |
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| 12 | # Copyright (C) 2007 Jean Delvare <khali@linux-fr.org> |
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| 13 | # |
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| 14 | # This program is free software; you can redistribute it and/or modify |
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| 15 | # it under the terms of the GNU General Public License as published by |
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| 16 | # the Free Software Foundation; either version 2 of the License, or |
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| 17 | # (at your option) any later version. |
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| 18 | # |
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| 19 | # This program is distributed in the hope that it will be useful, |
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| 20 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 21 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 22 | # GNU General Public License for more details. |
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| 23 | # |
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| 24 | # You should have received a copy of the GNU General Public License |
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| 25 | # along with this program; if not, write to the Free Software |
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| 26 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 27 | # |
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| 28 | # |
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| 29 | echo 'This program will search your sensors for pulse width modulation (pwm)' |
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| 30 | echo 'controls, and test each one to see if it controls a fan on' |
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| 31 | echo 'your motherboard. Note that many motherboards do not have pwm' |
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| 32 | echo 'circuitry installed, even if your sensor chip supports pwm.' |
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| 33 | echo |
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| 34 | echo 'We will attempt to briefly stop each fan using the pwm controls.' |
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| 35 | echo 'The program will attempt to restore each fan to full speed' |
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| 36 | echo 'after testing. However, it is ** very important ** that you' |
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| 37 | echo 'physically verify that the fans have been to full speed' |
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| 38 | echo 'after the program has completed.' |
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| 39 | echo |
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| 40 | |
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| 41 | DELAY=5 # 3 seconds delay is too short for large fans, thus I increased it to 5 |
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| 42 | MAX=255 |
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| 43 | |
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| 44 | DIR=/proc/sys/dev/sensors |
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| 45 | if [ ! -d $DIR ] |
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| 46 | then |
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| 47 | if [ -d "/sys/class/hwmon" ] |
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| 48 | then |
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| 49 | SYSFS=2 |
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| 50 | DIR="/sys/class/hwmon" |
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| 51 | elif [ -d "/sys/bus/i2c/devices" ] |
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| 52 | then |
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| 53 | SYSFS=1 |
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| 54 | DIR="/sys/bus/i2c/devices" |
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| 55 | else |
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| 56 | echo $0: 'No sensors found! (modprobe sensor modules?)' |
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| 57 | exit 1 |
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| 58 | fi |
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| 59 | fi |
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| 60 | |
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| 61 | cd $DIR |
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| 62 | if [ "$SYSFS" = "2" ] |
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| 63 | then |
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| 64 | PREFIX='hwmon*/device' |
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| 65 | else |
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| 66 | PREFIX='*-*' |
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| 67 | fi |
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| 68 | DEVICES=`echo $PREFIX` |
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| 69 | if [ "$PREFIX" = "$DEVICES" ] |
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| 70 | then |
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| 71 | echo $0: 'No sensors found! (modprobe sensor modules?)' |
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| 72 | exit 1 |
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| 73 | fi |
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| 74 | |
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| 75 | MATCH=$PREFIX/'pwm[1-9]' |
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| 76 | PWM=`echo $MATCH` |
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| 77 | if [ "$SYSFS" = "1" -a "$MATCH" = "$PWM" ] |
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| 78 | then |
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| 79 | # Deprecated naming scheme (used in kernels 2.6.5 to 2.6.9) |
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| 80 | MATCH=$PREFIX/'fan[1-9]_pwm' |
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| 81 | PWM=`echo $MATCH` |
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| 82 | fi |
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| 83 | if [ "$MATCH" = "$PWM" ] |
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| 84 | then |
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| 85 | echo $0: 'There are no pwm-capable sensor modules installed' |
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| 86 | exit 1 |
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| 87 | fi |
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| 88 | |
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| 89 | if [ -n "$SYSFS" ] |
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| 90 | then |
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| 91 | MATCH=$PREFIX/'fan[1-9]_input' |
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| 92 | else |
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| 93 | MATCH=$PREFIX/'fan[1-9]' |
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| 94 | fi |
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| 95 | FAN=`echo $MATCH` |
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| 96 | if [ "$MATCH" = "$FAN" ] |
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| 97 | then |
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| 98 | echo $0: 'There are no fan-capable sensor modules installed' |
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| 99 | exit 1 |
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| 100 | fi |
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| 101 | |
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| 102 | # $1 = padding |
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| 103 | # Only works with Linux 2.6 |
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| 104 | function print_devices() |
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| 105 | { |
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| 106 | for device in $DEVICES |
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| 107 | do |
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| 108 | echo "$1$device is `cat $device/name`" |
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| 109 | done |
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| 110 | } |
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| 111 | |
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| 112 | # $1 = pwm file name |
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| 113 | function is_pwm_auto() |
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| 114 | { |
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| 115 | if [ -n "$SYSFS" ] |
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| 116 | then |
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| 117 | ENABLE=${1}_enable |
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| 118 | if [ -f $ENABLE -a "`cat $ENABLE`" -gt 1 ] |
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| 119 | then |
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| 120 | return 0 |
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| 121 | fi |
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| 122 | fi |
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| 123 | |
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| 124 | return 1 |
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| 125 | } |
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| 126 | |
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| 127 | # $1 = pwm file name |
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| 128 | function pwmdisable() |
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| 129 | { |
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| 130 | if [ -n "$SYSFS" ] |
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| 131 | then |
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| 132 | ENABLE=${1}_enable |
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| 133 | # No enable file? Just set to max |
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| 134 | if [ ! -f $ENABLE ] |
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| 135 | then |
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| 136 | echo $MAX > $1 |
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| 137 | return 0 |
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| 138 | fi |
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| 139 | |
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| 140 | # Try pwmN_enable=0 |
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| 141 | echo 0 2>/dev/null > $ENABLE |
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| 142 | if [ "`cat $ENABLE`" -eq 0 ] |
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| 143 | then |
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| 144 | # Success |
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| 145 | return 0 |
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| 146 | fi |
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| 147 | |
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| 148 | # It didn't work, try pwmN_enable=1 pwmN=255 |
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| 149 | echo 1 2>/dev/null > $ENABLE |
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| 150 | if [ "`cat $ENABLE`" -ne 1 ] |
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| 151 | then |
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| 152 | echo "$ENABLE stuck to `cat $ENABLE`" >&2 |
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| 153 | return 1 |
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| 154 | fi |
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| 155 | |
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| 156 | echo $MAX > $1 |
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| 157 | if [ "`cat $1`" -ge 190 ] |
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| 158 | then |
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| 159 | # Success |
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| 160 | return 0 |
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| 161 | fi |
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| 162 | |
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| 163 | # Nothing worked |
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| 164 | echo "$1 stuck to `cat $1`" >&2 |
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| 165 | return 1 |
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| 166 | else |
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| 167 | echo $MAX 0 > $1 |
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| 168 | fi |
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| 169 | } |
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| 170 | |
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| 171 | # $1 = pwm file name |
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| 172 | function pwmenable() |
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| 173 | { |
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| 174 | if [ -n "$SYSFS" ] |
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| 175 | then |
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| 176 | ENABLE=${1}_enable |
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| 177 | if [ -w $ENABLE ] |
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| 178 | then |
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| 179 | echo 1 2>/dev/null > $ENABLE |
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| 180 | if [ $? -ne 0 ] |
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| 181 | then |
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| 182 | return 1 |
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| 183 | fi |
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| 184 | fi |
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| 185 | echo $MAX > $1 |
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| 186 | else |
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| 187 | echo $MAX 1 > $1 |
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| 188 | fi |
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| 189 | } |
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| 190 | |
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| 191 | # $1 = pwm file name; $2 = pwm value 0-255 |
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| 192 | function pwmset() |
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| 193 | { |
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| 194 | echo $2 > $1 |
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| 195 | } |
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| 196 | |
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| 197 | if [ -n "$SYSFS" ] |
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| 198 | then |
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| 199 | echo 'Found the following devices:' |
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| 200 | print_devices " " |
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| 201 | echo |
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| 202 | fi |
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| 203 | |
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| 204 | echo 'Found the following PWM controls:' |
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| 205 | for i in $PWM |
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| 206 | do |
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| 207 | echo " $i" |
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| 208 | if [ -w $i ] |
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| 209 | then |
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| 210 | # First check if PWM output is in automatic mode |
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| 211 | if is_pwm_auto $i |
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| 212 | then |
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| 213 | echo "$i is currently setup for automatic speed control." |
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| 214 | echo 'In general, automatic mode is preferred over manual mode, as' |
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| 215 | echo 'it is more efficient and it reacts faster. Are you sure that' |
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| 216 | echo -n 'you want to setup this output for manual control? (n) ' |
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| 217 | read X |
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| 218 | if [ "$X" = "" -o "$X" != "y" -a "$X" != "Y" ] |
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| 219 | then |
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| 220 | continue |
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| 221 | fi |
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| 222 | fi |
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| 223 | |
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| 224 | pwmdisable $i |
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| 225 | if [ $? -ne 0 ] |
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| 226 | then |
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| 227 | echo "Manual control mode not supported, skipping $i." |
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| 228 | elif [ "$GOODPWM" = "" ] |
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| 229 | then |
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| 230 | GOODPWM=$i |
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| 231 | else |
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| 232 | GOODPWM="$GOODPWM $i" |
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| 233 | fi |
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| 234 | else |
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| 235 | NOTROOT=1 |
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| 236 | fi |
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| 237 | done |
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| 238 | |
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| 239 | if [ "$GOODPWM" = "" ] |
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| 240 | then |
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| 241 | echo 'There are no usable PWM outputs.' |
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| 242 | exit 1 |
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| 243 | fi |
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| 244 | |
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| 245 | echo |
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| 246 | echo "Giving the fans some time to reach full speed..." |
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| 247 | sleep $DELAY |
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| 248 | echo 'Found the following fan sensors:' |
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| 249 | for i in $FAN |
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| 250 | do |
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| 251 | # this will return the first field if there's only one (sysfs) |
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| 252 | S=`cat $i | cut -d' ' -f2` |
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| 253 | if [ "$S" = "0" -o "$S" = "-1" ] |
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| 254 | then |
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| 255 | echo " $i current speed: 0 ... skipping!" |
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| 256 | else |
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| 257 | echo " $i current speed: $S RPM" |
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| 258 | if [ "$GOODFAN" = "" ] |
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| 259 | then |
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| 260 | GOODFAN=$i |
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| 261 | SPEEDS=$S |
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| 262 | else |
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| 263 | GOODFAN="$GOODFAN $i" |
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| 264 | SPEEDS="$SPEEDS $S" |
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| 265 | fi |
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| 266 | fi |
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| 267 | done |
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| 268 | echo |
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| 269 | |
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| 270 | if [ "$GOODFAN" = "" ] |
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| 271 | then |
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| 272 | echo 'There are no working fan sensors, all readings are 0.' |
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| 273 | echo 'Make sure you have a 3-wire fan connected.' |
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| 274 | echo 'You may also need to increase the fan divisors.' |
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| 275 | echo 'See doc/fan-divisors for more information.' |
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| 276 | exit 1 |
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| 277 | fi |
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| 278 | |
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| 279 | if [ "$NOTROOT" = "1" ] |
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| 280 | then |
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| 281 | echo 'As you are not root, we cannot write the PWM settings.' |
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| 282 | echo 'Please run as root to continue.' |
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| 283 | exit 1 |
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| 284 | fi |
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| 285 | |
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| 286 | echo 'Warning!!! This program will stop your fans, one at a time,' |
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| 287 | echo "for approximately $DELAY seconds each!!!" |
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| 288 | echo 'This may cause your processor temperature to rise!!!' |
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| 289 | echo 'If you do not want to do this hit control-C now!!!' |
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| 290 | echo -n 'Hit return to continue: ' |
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| 291 | read X |
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| 292 | echo |
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| 293 | |
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| 294 | PLOTTER=gnuplot |
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| 295 | STEP=15 |
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| 296 | PDELAY=2 |
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| 297 | # Use a smaller step for low PWM values as this is typically where the |
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| 298 | # more important fan speed changes are happening. |
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| 299 | STEP2=2 |
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| 300 | STEP2_BELOW=31 |
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| 301 | |
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| 302 | function pwmdetail() |
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| 303 | { |
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| 304 | P=$1 |
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| 305 | F=$2 |
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| 306 | PLOT= |
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| 307 | |
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| 308 | type $PLOTTER > /dev/null 2>&1 |
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| 309 | if [ $? -eq 0 ] |
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| 310 | then |
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| 311 | echo -n "Would you like to generate a graphical plot using $PLOTTER (y)? " |
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| 312 | read X |
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| 313 | if [ "$X" = "y" -o "$X" = "Y" -o "$X" = "" ] |
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| 314 | then |
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| 315 | PLOT=y |
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| 316 | fi |
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| 317 | fi |
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| 318 | |
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| 319 | if [ "$PLOT" = "y" ] |
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| 320 | then |
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| 321 | TMP1=`mktemp -t pwmtest1.XXXXXXXXXX` || { echo "$0: Cannot create temporary file" >&2; exit 1; } |
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| 322 | TMP2=`mktemp -t pwmtest2.XXXXXXXXXX` || { rm -f $TMP1 ; echo "$0: Cannot create temporary file" >&2; exit 1; } |
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| 323 | echo "set xlabel \"PWM: $P\"" > $TMP1 |
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| 324 | echo "set ylabel \"FAN: $F (RPM)\"" >> $TMP1 |
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| 325 | echo 'set nokey' >> $TMP1 |
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| 326 | echo 'set xrange [0:255]' >> $TMP1 |
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| 327 | echo "plot \"$TMP2\" with lines" >> $TMP1 |
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| 328 | echo 'pause -1 " Hit return to continue..."' >> $TMP1 |
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| 329 | > $TMP2 |
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| 330 | fi |
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| 331 | |
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| 332 | let pwm=$MAX |
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| 333 | pwmenable $P |
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| 334 | while [ $pwm -ge 0 ] |
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| 335 | do |
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| 336 | pwmset $P $pwm |
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| 337 | sleep $PDELAY |
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| 338 | if [ $? -ne 0 ] |
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| 339 | then |
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| 340 | pwmdisable $P |
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| 341 | echo '^C received, aborting...' |
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| 342 | rm -f $TMP1 $TMP2 |
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| 343 | exit 1 |
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| 344 | fi |
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| 345 | # this will return the first field if there's only one (sysfs) |
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| 346 | S=`cat $F | cut -d' ' -f2` |
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| 347 | echo " PWM $pwm FAN $S" |
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| 348 | if [ "$PLOT" = "y" ] |
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| 349 | then |
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| 350 | echo "$pwm $S" >> $TMP2 |
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| 351 | fi |
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| 352 | if [ "$S" = "0" -o "$S" = "-1" ] |
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| 353 | then |
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| 354 | pwmdisable $P |
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| 355 | echo " Fan Stopped at PWM = $pwm" |
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| 356 | if [ $pwm -eq $MAX ] |
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| 357 | then |
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| 358 | echo " This fan appears to stop when the PWM is enabled;" |
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| 359 | echo " perhaps the fan input shares a pin with the PWM output" |
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| 360 | echo " on the sensor chip." |
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| 361 | echo " You cannot control this fan with this PWM output." |
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| 362 | rm -f $TMP1 $TMP2 |
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| 363 | echo |
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| 364 | return 0 |
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| 365 | fi |
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| 366 | break |
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| 367 | fi |
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| 368 | if [ $pwm -lt $STEP2_BELOW ] |
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| 369 | then |
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| 370 | let pwm=$pwm-$STEP2 |
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| 371 | else |
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| 372 | let pwm=$pwm-$STEP |
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| 373 | fi |
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| 374 | done |
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| 375 | pwmdisable $P |
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| 376 | if [ "$PLOT" = "y" ] |
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| 377 | then |
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| 378 | $PLOTTER $TMP1 |
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| 379 | rm -f $TMP1 $TMP2 |
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| 380 | fi |
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| 381 | echo |
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| 382 | } |
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| 383 | |
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| 384 | for i in $GOODPWM |
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| 385 | do |
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| 386 | echo Testing pwm control $i ... |
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| 387 | pwmenable $i |
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| 388 | if [ $? -ne 0 ] |
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| 389 | then |
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| 390 | echo "Manual control mode not supported, skipping." |
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| 391 | continue |
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| 392 | fi |
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| 393 | pwmset $i 0 |
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| 394 | sleep $DELAY |
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| 395 | if [ $? -ne 0 ] |
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| 396 | then |
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| 397 | pwmdisable $i |
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| 398 | echo '^C received, restoring PWM and aborting...' |
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| 399 | exit 1 |
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| 400 | fi |
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| 401 | let pwmactivecount=0 |
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| 402 | let count=1 |
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| 403 | for j in $GOODFAN |
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| 404 | do |
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| 405 | OS=`echo $SPEEDS | cut -d' ' -f$count` |
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| 406 | # this will return the first field if there's only one (sysfs) |
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| 407 | S=`cat $j | cut -d' ' -f2` |
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| 408 | echo " $j ... speed was $OS now $S" |
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| 409 | pwmdisable $i |
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| 410 | let threshold=2*$OS/3 |
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| 411 | if [ $S -lt $threshold ] |
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| 412 | then |
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| 413 | echo " It appears that fan $j" |
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| 414 | echo " is controlled by pwm $i" |
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| 415 | # |
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| 416 | # a PWM can control more than one fan.... |
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| 417 | # |
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| 418 | if [ $pwmactivecount -eq 0 ] |
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| 419 | then |
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| 420 | let pwmactivecount=1 |
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| 421 | pwmactive="$i ${pwmactive}" |
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| 422 | fanactive="$j ${fanactive}" |
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| 423 | else |
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| 424 | fanactive="$j+${fanactive}" #not supported yet by fancontrol |
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| 425 | fi |
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| 426 | sleep $DELAY |
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| 427 | if [ $? -ne 0 ] |
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| 428 | then |
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| 429 | echo '^C received, aborting...' |
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| 430 | exit 1 |
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| 431 | fi |
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| 432 | # this will return the first field if there's only one (sysfs) |
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| 433 | S=`cat $j | cut -d' ' -f2` |
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| 434 | if [ $S -lt $threshold ] |
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| 435 | then |
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| 436 | echo " Fan $j has not returned to speed, please investigate!" |
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| 437 | else |
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| 438 | echo -n "Would you like to generate a detailed correlation (y)? " |
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| 439 | read X |
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| 440 | if [ "$X" = "y" -o "$X" = "Y" -o "$X" = "" ] |
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| 441 | then |
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| 442 | pwmdetail $i $j |
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| 443 | fi |
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| 444 | fi |
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| 445 | else |
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| 446 | echo " no correlation" |
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| 447 | fi |
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| 448 | let count=count+1 |
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| 449 | done |
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| 450 | echo |
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| 451 | if [ "$pwmactivecount" = "0" ] |
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| 452 | then |
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| 453 | echo "No correlations were detected." |
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| 454 | echo "There is either no fan connected to the output of $i," |
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| 455 | echo "or the connected fan has no rpm-signal connected to one of" |
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| 456 | echo "the tested fan sensors. (Note: not all motherboards have" |
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| 457 | echo "the pwm outputs connected to the fan connectors," |
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| 458 | echo "check out the hardware database on http://www.almico.com/forumindex.php)" |
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| 459 | echo |
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| 460 | echo -n "Did you see/hear a fan stopping during the above test (n)? " |
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| 461 | read X |
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| 462 | if [ "$X" = "y" -o "$X" = "Y" ] |
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| 463 | then |
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| 464 | pwmactive="$i ${pwmactive}" |
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| 465 | fi |
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| 466 | echo |
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| 467 | fi |
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| 468 | done |
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| 469 | |
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| 470 | |
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| 471 | echo 'Testing is complete.' |
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| 472 | echo 'Please verify that all fans have returned to their normal speed.' |
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| 473 | echo |
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| 474 | echo 'The fancontrol script can automatically respond to temperature changes' |
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| 475 | echo 'of your system by changing fanspeeds.' |
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| 476 | echo -n 'Do you want to set up its configuration file now (y)? ' |
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| 477 | |
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| 478 | read X |
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| 479 | if [ "$X" = "n" -o "$X" = "N" ] |
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| 480 | then |
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| 481 | exit |
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| 482 | fi |
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| 483 | |
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| 484 | if [ -n "$SYSFS" ] |
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| 485 | then |
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| 486 | MATCH=$PREFIX/'temp[1-9]_input' |
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| 487 | else |
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| 488 | MATCH=$PREFIX/'temp[1-9]' |
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| 489 | fi |
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| 490 | TEMPS=`echo $MATCH` |
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| 491 | if [ "$MATCH" = "$TEMPS" ] |
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| 492 | then |
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| 493 | echo $0: 'There are no temperature-capable sensor modules installed' |
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| 494 | exit 1 |
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| 495 | fi |
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| 496 | |
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| 497 | function AskPath { |
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| 498 | echo -n 'What should be the path to your fancontrol config file (/etc/fancontrol)? ' |
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| 499 | |
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| 500 | read X |
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| 501 | if [ "$X" = "y" -o "$X" = "Y" -o "$X" = "" ] |
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| 502 | then |
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| 503 | X=/etc/fancontrol |
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| 504 | fi |
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| 505 | if [ -f $X ] |
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| 506 | then |
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| 507 | FCCONFIG=$X |
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| 508 | else |
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| 509 | echo -n "$X does not exist, shall I create it now (y)? " |
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| 510 | read Y |
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| 511 | if [ "$Y" = "y" -o "$Y" = "Y" -o "$Y" = "" ] |
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| 512 | then |
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| 513 | touch $X |
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| 514 | chmod 0660 $X |
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| 515 | chown root.root $X |
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| 516 | FCCONFIG=$X |
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| 517 | else |
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| 518 | AskPath |
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| 519 | fi |
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| 520 | fi |
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| 521 | } |
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| 522 | |
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| 523 | AskPath |
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| 524 | |
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| 525 | function LoadConfig { |
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| 526 | echo "Loading configuration from $1 ..." |
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| 527 | INTERVAL=`egrep '^INTERVAL=.*$' $1 | sed -e 's/INTERVAL= *//g'` |
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| 528 | FCTEMPS=`egrep '^FCTEMPS=.*$' $1 | sed -e 's/FCTEMPS= *//g'` |
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| 529 | FCFANS=`egrep '^FCFANS=.*$' $1 | sed -e 's/FCFANS= *//g'` |
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| 530 | MINTEMP=`egrep '^MINTEMP=.*$' $1 | sed -e 's/MINTEMP= *//g'` |
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| 531 | MAXTEMP=`egrep '^MAXTEMP=.*$' $1 | sed -e 's/MAXTEMP= *//g'` |
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| 532 | MINSTART=`egrep '^MINSTART=.*$' $1 | sed -e 's/MINSTART= *//g'` |
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| 533 | MINSTOP=`egrep '^MINSTOP=.*$' $1 | sed -e 's/MINSTOP= *//g'` |
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| 534 | MINPWM=`egrep '^MINPWM=.*$' $1 | sed -e 's/MINPWM= *//g'` |
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| 535 | MAXPWM=`egrep '^MAXPWM=.*$' $1 | sed -e 's/MAXPWM= *//g'` |
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| 536 | |
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| 537 | # Check for configuration change |
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| 538 | local item |
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| 539 | for item in $FCFANS |
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| 540 | do |
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| 541 | if [ ! -f "`echo $item | sed -e 's/=.*$//'`" ] |
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| 542 | then |
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| 543 | echo "Configuration appears to be outdated, discarded" |
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| 544 | FCTEMPS="" |
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| 545 | FCFANS="" |
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| 546 | MINTEMP="" |
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| 547 | MAXTEMP="" |
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| 548 | MINSTART="" |
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| 549 | MINSTOP="" |
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| 550 | MINPWM="" |
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| 551 | MAXPWM="" |
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| 552 | fi |
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| 553 | done |
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| 554 | } |
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| 555 | |
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| 556 | LoadConfig $FCCONFIG |
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| 557 | |
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| 558 | function TestMinStart { |
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| 559 | echo |
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| 560 | echo 'Now we increase the PWM value in 10-unit-steps.' |
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| 561 | echo 'Let the fan stop completely, then press return until the' |
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| 562 | echo "fan starts spinning. Then enter 'y'." |
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| 563 | echo 'We will use this value +20 as the starting speed.' |
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| 564 | let fanok=0 |
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| 565 | let fanval=0 |
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| 566 | until [ "$fanok" = "1" ] |
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| 567 | do |
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| 568 | let fanval=fanval+10 |
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| 569 | if [ $fanval -gt 240 ] ; then let fanval=$MAX ; let fanok=1 ; fi |
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| 570 | echo -n "Setting $pwms to $fanval..." |
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| 571 | echo $fanval > $pwms |
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| 572 | read FANTEST |
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| 573 | if [ "$FANTEST" != "" ] ; then let fanok=1 ; fi |
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| 574 | done |
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| 575 | let fanval=fanval+20 |
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| 576 | if [ $fanval -gt 240 ] ; then let fanval=$MAX ; fi |
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| 577 | echo "OK, using $fanval" |
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| 578 | echo $MAX > $pwms |
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| 579 | } |
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| 580 | |
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| 581 | function TestMinStop { |
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| 582 | echo |
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| 583 | echo 'Now we decrease the PWM value in 10-unit-steps.' |
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| 584 | echo 'Let the fan reach full speed, then press return until the' |
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| 585 | echo "fan stops spinning. Then enter 'y'." |
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| 586 | echo 'We will use this value +20 as the minimum speed.' |
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| 587 | let fanok=0 |
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| 588 | let fanval=$MAX |
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| 589 | until [ "$fanok" = "1" ] |
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| 590 | do |
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| 591 | let fanval=fanval-10 |
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| 592 | if [ $fanval -lt 0 ] ; then let fanval=0 ; let fanok=1 ; fi |
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| 593 | echo -n "Setting $pwms to $fanval..." |
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| 594 | echo $fanval > $pwms |
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| 595 | read FANTEST |
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| 596 | if [ "$FANTEST" != "" ] ; then let fanok=1 ; fi |
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| 597 | done |
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| 598 | let fanval=fanval+20 |
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| 599 | if [ $fanval -gt $MAX ] ; then let fanval=$MAX ; fi |
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| 600 | echo "OK, using $fanval" |
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| 601 | echo $MAX > $pwms |
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| 602 | } |
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| 603 | |
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| 604 | function SaveConfig { |
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| 605 | echo |
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| 606 | echo "Saving configuration to $FCCONFIG..." |
|---|
| 607 | tmpfile=`mktemp -t pwmcfg.XXXXXXXXXX` || { echo "$0: Cannot create temporary file" >&2; exit 1; } |
|---|
| 608 | trap " [ -f \"$tmpfile\" ] && /bin/rm -f -- \"$tmpfile\"" 0 1 2 3 13 15 |
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| 609 | egrep -v '(INTERVAL|FCTEMPS|FCFANS|MAXTEMP|MINTEMP|MINSTART|MINSTOP|MINPWM|MAXPWM)' $FCCONFIG >$tmpfile |
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| 610 | echo -e "INTERVAL=$INTERVAL\nFCTEMPS=$FCTEMPS\nFCFANS=$FCFANS\nMINTEMP=$MINTEMP\nMAXTEMP=$MAXTEMP\nMINSTART=$MINSTART\nMINSTOP=$MINSTOP" >>$tmpfile |
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| 611 | [ -n "$MINPWM" ] && echo "MINPWM=$MINPWM" >>$tmpfile |
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| 612 | [ -n "$MAXPWM" ] && echo "MAXPWM=$MAXPWM" >>$tmpfile |
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| 613 | mv $tmpfile $FCCONFIG |
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| 614 | #check if file was written correctly |
|---|
| 615 | echo 'Configuration saved' |
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| 616 | } |
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| 617 | |
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| 618 | INTERVAL=10 |
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| 619 | PS3='select (1-n): ' |
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| 620 | DEFMINTEMP=0 |
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| 621 | DEFMAXTEMP=60 |
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| 622 | DEFMINSTART=150 |
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| 623 | DEFMINSTOP=100 |
|---|
| 624 | |
|---|
| 625 | #the section below has a high potential for usability improvements |
|---|
| 626 | echo |
|---|
| 627 | echo 'Select fan output to configure, or other action:' |
|---|
| 628 | select pwms in $pwmactive "Change INTERVAL" "Just quit" "Save and quit" "Show configuration"; do |
|---|
| 629 | case $pwms in |
|---|
| 630 | "Change INTERVAL") |
|---|
| 631 | echo |
|---|
| 632 | echo "Current interval is $INTERVAL seconds." |
|---|
| 633 | echo -n "Enter the interval at which fancontrol should update PWM values (in s):" |
|---|
| 634 | read INTERVAL ;; #check user input here |
|---|
| 635 | "Just quit") |
|---|
| 636 | exit ;; |
|---|
| 637 | "Save and quit") |
|---|
| 638 | SaveConfig |
|---|
| 639 | exit ;; |
|---|
| 640 | "Show configuration") |
|---|
| 641 | echo |
|---|
| 642 | echo "Common Settings:" |
|---|
| 643 | echo "INTERVAL=$INTERVAL" |
|---|
| 644 | for pwmo in $pwmactive |
|---|
| 645 | do |
|---|
| 646 | echo |
|---|
| 647 | echo "Settings of ${pwmo}:" |
|---|
| 648 | echo " Depends on `echo $FCTEMPS |sed -e 's/ /\n/g' |egrep \"${pwmo}\" |sed -e 's/.*=//g'`" |
|---|
| 649 | echo " Controls `echo $FCFANS |sed -e 's/ /\n/g' |egrep \"${pwmo}\" |sed -e 's/.*=//g'`" |
|---|
| 650 | echo " MINTEMP=`echo $MINTEMP |sed -e \"s/ /\n/g\" |egrep \"${pwmo}\" |sed -e \"s/.*=//g\"`" |
|---|
| 651 | echo " MAXTEMP=`echo $MAXTEMP |sed -e \"s/ /\n/g\" |egrep \"${pwmo}\" |sed -e \"s/.*=//g\"`" |
|---|
| 652 | echo " MINSTART=`echo $MINSTART |sed -e \"s/ /\n/g\" |egrep \"${pwmo}\" |sed -e \"s/.*=//g\"`" |
|---|
| 653 | echo " MINSTOP=`echo $MINSTOP |sed -e \"s/ /\n/g\" |egrep \"${pwmo}\" |sed -e \"s/.*=//g\"`" |
|---|
| 654 | echo " MINPWM=`echo $MINPWM |sed -e \"s/ /\n/g\" |egrep \"${pwmo}\" |sed -e \"s/.*=//g\"`" |
|---|
| 655 | echo " MAXPWM=`echo $MAXPWM |sed -e \"s/ /\n/g\" |egrep \"${pwmo}\" |sed -e \"s/.*=//g\"`" |
|---|
| 656 | done |
|---|
| 657 | echo ;; |
|---|
| 658 | |
|---|
| 659 | "`echo ${pwmactive} |sed -e 's/ /\n/g' | egrep \"${pwms}\"`" ) |
|---|
| 660 | pwmsed=`echo ${pwms} | sed -e 's/\//\\\\\//g'` #escape / for sed |
|---|
| 661 | echo |
|---|
| 662 | if [ -n "$SYSFS" ] |
|---|
| 663 | then |
|---|
| 664 | echo 'Devices:' |
|---|
| 665 | print_devices "" |
|---|
| 666 | echo |
|---|
| 667 | fi |
|---|
| 668 | echo 'Current temperature readings are as follows:' |
|---|
| 669 | for j in $TEMPS |
|---|
| 670 | do |
|---|
| 671 | # this will return the first field if there's only one (sysfs) |
|---|
| 672 | S=`cat $j | cut -d' ' -f3` |
|---|
| 673 | if [ -n "$SYSFS" ] |
|---|
| 674 | then |
|---|
| 675 | let S="$S / 1000" |
|---|
| 676 | fi |
|---|
| 677 | echo "$j $S" |
|---|
| 678 | done |
|---|
| 679 | FAN=`echo $fanactive|cut -d' ' -f$REPLY` |
|---|
| 680 | FCFANS="`echo $FCFANS | sed -e "s/${pwmsed}[^ ]* *//g\"` ${pwms}=$FAN" |
|---|
| 681 | echo |
|---|
| 682 | echo "Select a temperature sensor as source for ${pwms}:" |
|---|
| 683 | select tempss in $TEMPS "None (Do not affect this PWM output)"; do |
|---|
| 684 | if [ "$tempss" = "None (Do not affect this PWM output)" ] |
|---|
| 685 | then |
|---|
| 686 | |
|---|
| 687 | break; |
|---|
| 688 | else |
|---|
| 689 | if [ "$FCTEMPS" = "" ] |
|---|
| 690 | then |
|---|
| 691 | FCTEMPS="${pwms}=${tempss}" |
|---|
| 692 | else |
|---|
| 693 | FCTEMPS="`echo $FCTEMPS | sed -e "s/${pwmsed}[^ ]* *//g\"` ${pwms}=${tempss}" |
|---|
| 694 | fi |
|---|
| 695 | fi |
|---|
| 696 | echo |
|---|
| 697 | echo 'Enter the low temperature (degree C)' |
|---|
| 698 | echo -n "below which the fan should spin at minimum speed ($DEFMINTEMP): " |
|---|
| 699 | read XMT |
|---|
| 700 | if [ "$XMT" = "" ] |
|---|
| 701 | then |
|---|
| 702 | XMT=$DEFMINTEMP |
|---|
| 703 | fi |
|---|
| 704 | if [ "$MINTEMP" = "" ] |
|---|
| 705 | then |
|---|
| 706 | MINTEMP="${pwms}=${XMT}" |
|---|
| 707 | else |
|---|
| 708 | MINTEMP="`echo $MINTEMP | sed -e \"s/${pwmsed}[^ ]* *//g\"` ${pwms}=${XMT}" |
|---|
| 709 | fi |
|---|
| 710 | echo |
|---|
| 711 | echo 'Enter the high temperature (degree C)' |
|---|
| 712 | echo -n "over which the fan should spin at maximum speed ($DEFMAXTEMP): " |
|---|
| 713 | read XMT |
|---|
| 714 | if [ "$XMT" = "" ] |
|---|
| 715 | then |
|---|
| 716 | XMT=$DEFMAXTEMP |
|---|
| 717 | fi |
|---|
| 718 | if [ "$MAXTEMP" = "" ] |
|---|
| 719 | then |
|---|
| 720 | MAXTEMP="${pwms}=${XMT}" |
|---|
| 721 | else |
|---|
| 722 | MAXTEMP="`echo $MAXTEMP | sed -e \"s/${pwmsed}[^ ]* *//g\"` ${pwms}=${XMT}" |
|---|
| 723 | fi |
|---|
| 724 | echo |
|---|
| 725 | echo "Enter the minimum PWM value (0-$MAX)" |
|---|
| 726 | echo -n "at which the fan STARTS spinning (press t to test) ($DEFMINSTART): " |
|---|
| 727 | read XMV |
|---|
| 728 | if [ "$XMV" = "" ] |
|---|
| 729 | then |
|---|
| 730 | XMV=$DEFMINSTART |
|---|
| 731 | fi |
|---|
| 732 | if [ "$XMV" = "t" -o "$XMV" = "T" ] |
|---|
| 733 | then |
|---|
| 734 | TestMinStart |
|---|
| 735 | XMV=$fanval |
|---|
| 736 | fi |
|---|
| 737 | if [ "$MINSTART" = "" ] |
|---|
| 738 | then |
|---|
| 739 | MINSTART="${pwms}=${XMV}" |
|---|
| 740 | else |
|---|
| 741 | MINSTART="`echo $MINSTART | sed -e \"s/${pwmsed}[^ ]* *//g\"` ${pwms}=${XMV}" |
|---|
| 742 | fi |
|---|
| 743 | echo |
|---|
| 744 | echo "Enter the minimum PWM value (0-$MAX)" |
|---|
| 745 | echo -n "at which the fan STOPS spinning (press t to test) ($DEFMINSTOP): " |
|---|
| 746 | read XMV |
|---|
| 747 | if [ "$XMV" = "" ] |
|---|
| 748 | then |
|---|
| 749 | XMV=$DEFMINSTOP |
|---|
| 750 | fi |
|---|
| 751 | if [ "$XMV" = "t" -o "$XMV" = "T" ] |
|---|
| 752 | then |
|---|
| 753 | TestMinStop |
|---|
| 754 | XMV=$fanval |
|---|
| 755 | fi |
|---|
| 756 | if [ "$MINSTOP" = "" ] |
|---|
| 757 | then |
|---|
| 758 | MINSTOP="${pwms}=${XMV}" |
|---|
| 759 | else |
|---|
| 760 | MINSTOP="`echo $MINSTOP | sed -e \"s/${pwmsed}[^ ]* *//g\"` ${pwms}=${XMV}" |
|---|
| 761 | fi |
|---|
| 762 | echo |
|---|
| 763 | echo "Enter the PWM value (0-$XMV) to use when the temperature" |
|---|
| 764 | echo -n "is below the low temperature limit (0): " |
|---|
| 765 | read XMINP |
|---|
| 766 | if [ -n "$XMINP" ] |
|---|
| 767 | then |
|---|
| 768 | if [ "$MINPWM" = "" ] |
|---|
| 769 | then |
|---|
| 770 | MINPWM="${pwms}=${XMINP}" |
|---|
| 771 | else |
|---|
| 772 | MINPWM="`echo $MINPWM | sed -e \"s/${pwmsed}[^ ]* *//g\"` ${pwms}=${XMINP}" |
|---|
| 773 | fi |
|---|
| 774 | fi |
|---|
| 775 | echo |
|---|
| 776 | echo "Enter the PWM value ($XMV-$MAX) to use when the temperature" |
|---|
| 777 | echo -n "is over the high temperature limit ($MAX): " |
|---|
| 778 | read XMAXP |
|---|
| 779 | if [ -n "$XMAXP" ] |
|---|
| 780 | then |
|---|
| 781 | if [ "$MAXPWM" = "" ] |
|---|
| 782 | then |
|---|
| 783 | MAXPWM="${pwms}=${XMAXP}" |
|---|
| 784 | else |
|---|
| 785 | MAXPWM="`echo $MAXPWM | sed -e \"s/${pwmsed}[^ ]* *//g\"` ${pwms}=${XMAXP}" |
|---|
| 786 | fi |
|---|
| 787 | fi |
|---|
| 788 | echo |
|---|
| 789 | break; |
|---|
| 790 | done ;; |
|---|
| 791 | |
|---|
| 792 | *) |
|---|
| 793 | grep $pwm |
|---|
| 794 | |
|---|
| 795 | echo "No such option. Enter a number." ;; |
|---|
| 796 | esac |
|---|
| 797 | done |
|---|
