aredn/files/usr/local/bin/linkled

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#!/bin/sh
<<'LICENSE'
Part of AREDN -- Used for creating Amateur Radio Emergency Data Networks
Copyright (C) 2015 Conrad Lara
See Contributors file for additional contributors
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation version 3 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
LICENSE
BOARD_TYPE=$(/usr/local/bin/get_hardwaretype)
case "$BOARD_TYPE" in
airrouter)
LINK1LED=$(readlink -f '/sys/class/leds/ubnt:green:globe')
;;
rb-912uag-5hpnd)
LINK1LED=$(readlink -f '/sys/class/leds/rb:green:led1')
;;
*)
LINK1LED=$(readlink -f /sys/class/leds/*link1)
;;
esac
firmware_upgrade_mode() {
# Put the LED in "upgrade" mode
echo timer > "$LINK1LED/trigger"
echo 100 > "$LINK1LED/delay_on"
echo 100 > "$LINK1LED/delay_off"
echo 1 > "$LINK1LED/brightness"
}
reset_led() {
# Reset the LED to a blank state
echo none > "$LINK1LED/trigger"
echo 0 > "$LINK1LED/brightness"
}
link_state() {
{
reset_led
while true; do
sleep 5;
if echo /nei | nc 127.0.0.1 2006 2>/dev/null | grep -q YES; then
echo 1 > "$LINK1LED/brightness"
else
echo 0 > "$LINK1LED/brightness"
fi
done;
} & # Push into the background
}
case $1 in
"upgrade" )
firmware_upgrade_mode
;;
"restore" )
reset_led
;;
*)
link_state
;;
esac