75 lines
1.8 KiB
Text
75 lines
1.8 KiB
Text
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#!/bin/bash
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# SPDX-License-Identifier: Apache-2.0
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# Copyright (C) 2021-present Fewtarius (https://github.com/fewtarius)
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. /etc/profile
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DEBUG=false
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COOLING_PROFILE=$(get_setting "cooling.profile")
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FAN_PWM="${DEVICE_PWM_FAN}"
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log $0 "Setting profile to ${COOLING_PROFILE}"
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log $0 "Enabling fan control."
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if [ -e "${DEVICE_PWM_FAN}_enable" ]
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then
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echo 1 >${DEVICE_PWM_FAN}_enable
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fi
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if [ -e "/storage/.config/fancontrol.conf" ] && [ "${COOLING_PROFILE}" = "custom" ]
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then
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log $0 "Loading configuration file" 2>/dev/null
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source /storage/.config/fancontrol.conf
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if [ ! $? = 0 ]
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then
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WARN="Custom fan profile could not be loaded, defaulting to quiet."
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log $0 "${WARN}"
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COOLING_PROFILE="quiet"
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set_setting cooling.profile quiet
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fi
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fi
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if [ ! "${COOLING_PROFILE}" = "custom" ]
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then
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if [ "${COOLING_PROFILE}" = "aggressive" ]
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then
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SPEEDS=(255 225 195)
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TEMPS=(55000 45000 0)
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elif [ "${COOLING_PROFILE}" = "moderate" ]
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then
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SPEEDS=(255 192 128 96)
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TEMPS=(65000 55000 45000 0)
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else
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# Quiet.
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SPEEDS=(255 192 128 96 64 48 32)
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TEMPS=(70000 60000 55000 50000 49000 47000 0)
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fi
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fi
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while true
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do
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INDEX=0
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CPU_TEMP=$(printf "%.0f" $(awk '{ total += $1; count++ } END { print total/count }' ${DEVICE_TEMP_SENSOR}))
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$DEBUG && log $0 "CPU TEMP: ${CPU_TEMP}" 2>/dev/null
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for TEMP in "${TEMPS[@]}"
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do
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if (( "${CPU_TEMP}" > "${TEMP}" )) && \
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[ ! "${LASTSPEED}" = "${SPEEDS[${INDEX}]}" ]
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then
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$DEBUG && log $0 "Setting PWM FAN to ${SPEEDS[${INDEX}]} (${TEMP})" 2>/dev/null
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echo ${SPEEDS[${INDEX}]} >${FAN_PWM}
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LASTSPEED=${SPEEDS[${INDEX}]}
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break
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fi
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INDEX=$(( $INDEX + 1 ))
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done
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sleep 2
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done
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if [ -e "${DEVICE_PWM_FAN}_enable" ]
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then
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log $0 "Disabling fan control."
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echo 0 >${DEVICE_PWM_FAN}_enable
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fi
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