57 lines
731 B
Bash
57 lines
731 B
Bash
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#!/bin/sh
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BASE_PATH=/sys/class/gpio
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# GPIO pins
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SATA0=26
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SATA1=25
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CPU_FAN=12
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# Values
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LOW=0
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HIGH=1
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export_pin() {
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if [ ! -e $BASE_PATH/gpio"$1" ]; then
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echo "$1" >$BASE_PATH/export
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fi
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}
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unexport_pin() {
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if [ -e $BASE_PATH/gpio"$1" ]; then
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echo "$1" >$BASE_PATH/unexport
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fi
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}
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set_mode() {
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export_pin "$1"
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echo "out" >$BASE_PATH/gpio"$1"/direction
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echo "$2" >$BASE_PATH/gpio"$1"/value
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if [ "$3" = "clean" ]; then
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unexport_pin "$1"
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fi
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}
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turn_on() {
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set_mode $SATA0 $HIGH
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sleep 1
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set_mode $SATA1 $HIGH
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set_mode $CPU_FAN $LOW
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}
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turn_off() {
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set_mode $SATA0 $LOW clean
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set_mode $SATA1 $LOW clean
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set_mode $CPU_FAN $LOW clean
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}
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trap turn_off INT
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if [ "$1" = "on" ]; then
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turn_on
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else
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turn_off
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fi
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exit 0
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