/* * blink.c: * Simple "blink" test for the Quick2Wire interface board. * * 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 . *********************************************************************** */ #include #include #define LED 1 int main (void) { // Enable the on-goard GPIO wiringPiSetup () ; printf ("Raspberry Pi - Quick2Wire Mainboard LED Blink Test\n") ; pinMode (LED, OUTPUT) ; for (;;) { digitalWrite (LED, HIGH) ; delay (500) ; digitalWrite (LED, LOW) ; delay (500) ; } return 0 ; }