iot-lab2020/Versuchstag-1/aufgabe_e.sh

#!/bin/bash

LED_RED="17"
LED_GREEN="18"

# setup
echo "Setup red led on pin $LED_RED"
echo $LED_RED > /sys/class/gpio/export
echo "out" > /sys/class/gpio/gpio$LED_RED/direction

echo "Setup red led on pin $LED_GREEN"
echo $LED_GREEN > /sys/class/gpio/export
echo "out" > /sys/class/gpio/gpio$LED_GREEN/direction


while true; do
	echo "1" > /sys/class/gpio/gpio$LED_RED/value
	echo "0" > /sys/class/gpio/gpio$LED_GREEN/value
	sleep 1
	echo "0" > /sys/class/gpio/gpio$LED_RED/value
	echo "1" > /sys/class/gpio/gpio$LED_GREEN/value
	sleep 1
done