#!/bin/sh

GPIO_PIN=6
GPIO_PATH="/sys/class/gpio/gpio$GPIO_PIN"

case "$1" in
    external)
        echo $GPIO_PIN > /sys/class/gpio/export
        echo out > $GPIO_PATH/direction
        echo 1 > $GPIO_PATH/value
        ;;
    internal)
        echo $GPIO_PIN > /sys/class/gpio/export
        echo out > $GPIO_PATH/direction
        echo 0 > $GPIO_PATH/value
        ;;
    *)
        echo "Usage: $0 {external|internal}"
        exit 1
        ;;
esac

exit 0