102 lines
1.9 KiB
Bash
102 lines
1.9 KiB
Bash
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#!/bin/bash
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normal='0 : normal'
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unpowered='2 : unpowered'
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fault='4 : fault'
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notinstalled='7 : not installed'
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FAN_UNPLUG_NUM=0
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FAN_LED_RED='fan_led_red'
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NUM=1
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FAN_NUM=5
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FIRST_READ=0
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SECOND_READ=0
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PSOC_PATH="/tmp/psoc"
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CPLD_ADDR="/sys/bus/i2c/devices/i2c-0/0-0077"
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ROUTE="/sys/class/hwmon/"
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#PSU_STAUS='000'
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#switch is ready , transfer control of cpld to cpu
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echo 1 > $CPLD_ADDR/ctl
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while true
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do
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#monitor how many fan modules are unplugged
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#first check
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FAN_UNPLUG_NUM=0
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FAN_ARR=$(cat $PSOC_PATH/$FAN_LED_RED?)
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while read -r line; do
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fan_led_red_check=$(echo "$line")
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if [ $fan_led_red_check -eq 1 ]
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then
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let FAN_UNPLUG_NUM=FAN_UNPLUG_NUM+1
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fi
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done <<< "$FAN_ARR"
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FIRST_READ=$FAN_UNPLUG_NUM
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#second check
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FAN_UNPLUG_NUM=0
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FAN_ARR=$(cat $PSOC_PATH/$FAN_LED_RED?)
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while read -r line; do
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fan_led_red_check=$(echo "$line")
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if [ $fan_led_red_check -eq 1 ]
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then
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let FAN_UNPLUG_NUM=FAN_UNPLUG_NUM+1
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fi
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done <<< "$FAN_ARR"
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SECOND_READ=$FAN_UNPLUG_NUM
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if [ $FIRST_READ -ne $SECOND_READ ]
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then
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#echo "not equl:$FIRST_READ != $SECOND_READ"
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continue
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fi
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if [ $FAN_UNPLUG_NUM -ge 2 ]
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then
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#echo "solid red"
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echo 7 > $CPLD_ADDR/red_led
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echo 0 > $CPLD_ADDR/grn_led
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sleep 1
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continue
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elif [ $FAN_UNPLUG_NUM -eq 1 ]
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then
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#solid orange
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echo 7 > $CPLD_ADDR/red_led
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echo 7 > $CPLD_ADDR/grn_led
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sleep 1
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continue
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fi
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#echo "normal"
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psu0var=$(cat $CPLD_ADDR/psu0) # bottom PSU
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psu1var=$(cat $CPLD_ADDR/psu1) # top PSU
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if [ "$psu0var" = "$normal" ] &&
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[ "$psu1var" = "$normal" ] # PSU normal operatio
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then
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#solid green
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echo 7 > $CPLD_ADDR/grn_led
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echo 0 > $CPLD_ADDR/red_led
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#echo "solid green"
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else
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if [ "$psu0var" = "$unpowered" ] ||
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[ "$psu1var" = "$unpowered" ]
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then
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#echo solid orange
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echo 7 > $CPLD_ADDR/grn_led
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echo 7 > $CPLD_ADDR/red_led
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fi
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fi
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sleep 1
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done
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