#!/bin/sh -e # # blink.sh: # Standard "blink" program in wiringPi. Blinks an LED connected # to the first GPIO pin. # # Copyright (c) 2012-2013 Gordon Henderson. ####################################################################### # This file is part of wiringPi: # https://projects.drogon.net/raspberry-pi/wiringpi/ # # wiringPi is free software: you can redistribute it and/or modify # it under the terms of the GNU Lesser General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # wiringPi is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public License # along with wiringPi. If not, see . ####################################################################### # LED Pin - wiringPi pin 0 is BCM_GPIO 17. PIN=0 gpio mode $PIN out while true; do gpio write $PIN 1 sleep 0.5 gpio write $PIN 0 sleep 0.5 done