#!/bin/sh echo "Initializing Space Systems..." echo "22" > /sys/class/gpio/unexport echo "22" > /sys/class/gpio/export sleep 0.5 echo "Securing Communication to Space Systems..." echo "out" > /sys/class/gpio/gpio22/direction sleep 0.5 echo "Open Communication Channel..." # Silent, Output to /dev/null, Timeout after 5s and retry 12 times, each doubling the waitingtime until ten minutes. curl -s -o /dev/null -m 5 --connect-timeout 5 --retry 12 "hamburg.ccc.de/dooris/status.php?apikey=sesamaenderdich&action=close" & echo "Locking Space..." echo "1" > /sys/class/gpio/gpio22/value sleep 0.3 echo "Bye!" echo "0" > /sys/class/gpio/gpio22/value