58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
/*
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* blink8.c:
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* Simple sequence over the first 8 GPIO pins - LEDs
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* Aimed at the Gertboard, but it's fairly generic.
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*
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* Copyright (c) 2012-2013 Gordon Henderson. <projects@drogon.net>
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***********************************************************************
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* This file is part of wiringPi:
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* https://projects.drogon.net/raspberry-pi/wiringpi/
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*
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* wiringPi is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* wiringPi is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with wiringPi. If not, see <http://www.gnu.org/licenses/>.
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***********************************************************************
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*/
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#include <stdio.h>
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#include <wiringPi.h>
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int main (void)
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{
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int i, led ;
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printf ("Raspberry Pi - 8-LED Sequencer\n") ;
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printf ("==============================\n") ;
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printf ("\n") ;
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printf ("Connect LEDs to the first 8 GPIO pins and watch ...\n") ;
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wiringPiSetup () ;
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for (i = 0 ; i < 8 ; ++i)
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pinMode (i, OUTPUT) ;
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for (;;)
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{
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for (led = 0 ; led < 8 ; ++led)
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{
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digitalWrite (led, 1) ;
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delay (100) ;
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}
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for (led = 0 ; led < 8 ; ++led)
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{
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digitalWrite (led, 0) ;
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delay (100) ;
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}
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}
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}
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