concierge/dooropen

#!/bin/sh

echo "Initializing Door Systems..."
echo "17" > /sys/class/gpio/unexport
echo "17" > /sys/class/gpio/export
sleep 0.5
echo "Securing Communication to Door Systems..."
echo "out" > /sys/class/gpio/gpio17/direction
sleep 0.5
echo "Open Communication Channel..."
sleep 0.5
echo "Opening Door..."
echo "1" > /sys/class/gpio/gpio17/value
sleep 1
echo "Welcome"
echo "0" > /sys/class/gpio/gpio17/value
sleep 3
echo "Aaand again"
echo "1" > /sys/class/gpio/gpio17/value
sleep 1
echo "0" > /sys/class/gpio/gpio17/value