leds cubieboard sous openwrt

#!/bin/sh
# ------------------------------------------------
# declanchement des leds en fonction de l'heure
# de la journee ou de la nuit avec crontab
# ------------------------------------------------
#
# Par defaut:
#  led bleue= acces mmc0
#  led verte= rx + tx sur eth0
#  led de la carte wifi= acces réseau wifi
# ------------------------------------------------
# param: on / off / help (ou -h)
# ------------------------------------------------
# Par Remi Suinot <[email protected]>
# le 03/01/2015
# Rev: 03/01/2015
# ------------------------------------------------


if [ $# == 0 ] ; then
        echo "pas de parametre??? Je fais quoi, moi?"
        exit 1
fi

variable=$(echo $1 | tr [a-z] [A-Z])
variable=`echo $variable | sed -r 's/-//g'`

# -------------------------------------------------------------------
# Declaration de fonctions

allumation () {
        # led verte:
        echo "netdev" > /sys/devices/leds.4/leds/cubieboard:green:usr/trigger
        echo "eth0" > /sys/devices/leds.4/leds/cubieboard:green:usr/device_name
        echo "tx rx" > /sys/devices/leds.4/leds/cubieboard:green:usr/mode

        # led bleue:
        echo "mmc0" > /sys/devices/leds.4/leds/cubieboard:blue:usr/trigger

        # led carte reseau:
        echo "phy0radio" > /sys/devices/soc.0/1c1c000.usb/usb2/2-1/2-1:1.0/leds/rt2800usb-phy0::radio/trigger
}
extination () {
        # led verte:
        echo "none" > /sys/devices/leds.4/leds/cubieboard:green:usr/trigger

        # led bleue:
        echo "none" > /sys/devices/leds.4/leds/cubieboard:blue:usr/trigger

        # led carte reseau:
        echo "none" > /sys/devices/soc.0/1c1c000.usb/usb2/2-1/2-1:1.0/leds/rt2800usb-phy0::radio/trigger
}

help () {
        echo "ici appel a l'aide"
}

case "$variable" in
        "ON")
                echo "allumage des feux"
                allumation
        ;;
        "OFF")
                echo "extinction des feux"
                extination
        ;;
        "HELP" | "H")
                echo "help"
                help
        ;;
        *)
        echo "faites gaffe a vos parametres, svp, merci!!!"
        exit 1
esac

exit 0