/* * blink8.c: * Simple sequence over the first 8 GPIO pins - LEDs * Aimed at the Gertboard, but it's fairly generic. * * Copyright (c) 2012-2013 Gordon Henderson. *********************************************************************** * This file is part of wiringPi: * https://github.com/WiringPi/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 int main (void) { int i, led ; printf ("Raspberry Pi - 8-LED Sequencer\n") ; printf ("==============================\n") ; printf ("\n") ; printf ("Connect LEDs to the first 8 GPIO pins and watch ...\n") ; wiringPiSetup () ; for (i = 0 ; i < 8 ; ++i) pinMode (i, OUTPUT) ; for (;;) { for (led = 0 ; led < 8 ; ++led) { digitalWrite (led, 1) ; delay (100) ; } for (led = 0 ; led < 8 ; ++led) { digitalWrite (led, 0) ; delay (100) ; } } }